refactor(test): add lint rule for messages starting with the component (#2045)

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>
Signed-off-by: Laurentiu Niculae <niculae.laurentiu1@gmail.com>
Signed-off-by: Andrei Aaron <aaaron@luxoft.com>

.github/workflows/golangci-lint.yaml

@@ -45,3 +45,6 @@ jobs:
       - name: Run linter from make target
         run: |
           make check
+      - name: Run log linter
+        run: |
+          make check-logs

Makefile

@@ -311,6 +311,10 @@ $(GOLINTER):
 	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(TOOLSDIR)/bin $(GOLINTER_VERSION)
 	$(GOLINTER) version
 
+.PHONY: check-logs
+check-logs: 
+	@./scripts/check_logs.sh
+
 .PHONY: check
 check: $(if $(findstring ui,$(BUILD_LABELS)), ui)
 check: ./golangcilint.yaml $(GOLINTER)

errors/errors.go

@@ -46,129 +46,126 @@ func GetDetails(err error) map[string]string {
 }
 
 var (
-	ErrBadConfig                      = errors.New("config: invalid config")
+	ErrBadConfig                      = errors.New("invalid server config")
-	ErrCliBadConfig                   = errors.New("cli: bad config")
+	ErrCliBadConfig                   = errors.New("invalid cli config")
-	ErrRepoNotFound                   = errors.New("repository: not found")
+	ErrRepoNotFound                   = errors.New("repository not found")
-	ErrRepoBadVersion                 = errors.New("repository: unsupported layout version")
+	ErrRepoBadVersion                 = errors.New("unsupported repository layout version")
-	ErrRepoBadLayout                  = errors.New("repository: invalid layout")
+	ErrRepoBadLayout                  = errors.New("invalid repository layout")
-	ErrManifestNotFound               = errors.New("manifest: not found")
+	ErrManifestNotFound               = errors.New("manifest not found")
-	ErrBadManifest                    = errors.New("manifest: invalid contents")
+	ErrBadManifest                    = errors.New("invalid manifest content")
-	ErrUploadNotFound                 = errors.New("uploads: not found")
+	ErrUploadNotFound                 = errors.New("upload destination not found")
-	ErrBadUploadRange                 = errors.New("uploads: bad range")
+	ErrBadUploadRange                 = errors.New("bad upload content-length")
-	ErrBlobNotFound                   = errors.New("blob: not found")
+	ErrBlobNotFound                   = errors.New("blob not found")
-	ErrBadBlob                        = errors.New("blob: bad blob")
+	ErrBadBlob                        = errors.New("bad blob")
-	ErrBadBlobDigest                  = errors.New("blob: bad blob digest")
+	ErrBadBlobDigest                  = errors.New("bad blob digest")
-	ErrBlobReferenced                 = errors.New("blob: referenced by manifest")
+	ErrBlobReferenced                 = errors.New("blob referenced by manifest")
-	ErrManifestReferenced             = errors.New("manifest: referenced by index image")
+	ErrManifestReferenced             = errors.New("manifest referenced by index image")
-	ErrUnknownCode                    = errors.New("error: unknown error code")
+	ErrUnknownCode                    = errors.New("unknown error code")
-	ErrBadCACert                      = errors.New("tls: invalid ca cert")
+	ErrBadCACert                      = errors.New("invalid tls ca cert")
-	ErrBadUser                        = errors.New("auth: non-existent user")
+	ErrBadUser                        = errors.New("non-existent user")
-	ErrEntriesExceeded                = errors.New("ldap: too many entries returned")
+	ErrEntriesExceeded                = errors.New("too many entries returned")
-	ErrLDAPEmptyPassphrase            = errors.New("ldap: empty passphrase")
+	ErrLDAPEmptyPassphrase            = errors.New("empty ldap passphrase")
-	ErrLDAPBadConn                    = errors.New("ldap: bad connection")
+	ErrLDAPBadConn                    = errors.New("bad ldap connection")
-	ErrLDAPConfig                     = errors.New("config: invalid LDAP configuration")
+	ErrLDAPConfig                     = errors.New("invalid LDAP configuration")
-	ErrCacheRootBucket                = errors.New("cache: unable to create/update root bucket")
+	ErrCacheRootBucket                = errors.New("unable to create/update root cache bucket")
-	ErrCacheNoBucket                  = errors.New("cache: unable to find bucket")
+	ErrCacheNoBucket                  = errors.New("unable to find cache bucket")
-	ErrCacheMiss                      = errors.New("cache: miss")
+	ErrCacheMiss                      = errors.New("cache miss")
-	ErrRequireCred                    = errors.New("ldap: bind credentials required")
+	ErrRequireCred                    = errors.New("bind ldap credentials required")
-	ErrInvalidCred                    = errors.New("ldap: invalid credentials")
+	ErrInvalidCred                    = errors.New("invalid ldap credentials")
-	ErrEmptyJSON                      = errors.New("cli: config json is empty")
+	ErrEmptyJSON                      = errors.New("cli config json is empty")
-	ErrInvalidArgs                    = errors.New("cli: Invalid Arguments")
+	ErrInvalidArgs                    = errors.New("invalid cli arguments")
-	ErrInvalidFlagsCombination        = errors.New("cli: Invalid combination of flags")
+	ErrInvalidFlagsCombination        = errors.New("invalid cli combination of flags")
-	ErrInvalidURL                     = errors.New("cli: invalid URL format")
+	ErrInvalidURL                     = errors.New("invalid URL format")
-	ErrExtensionNotEnabled            = errors.New("cli: functionality is not built/configured in the current server")
+	ErrExtensionNotEnabled            = errors.New("functionality is not built/configured in the current server")
-	ErrUnauthorizedAccess             = errors.New("auth: unauthorized access. check credentials")
+	ErrUnauthorizedAccess             = errors.New("unauthorized access. check credentials")
-	ErrURLNotFound                    = errors.New("url not found")
+	ErrCannotResetConfigKey           = errors.New("cannot reset given config key")
-	ErrCannotResetConfigKey           = errors.New("cli: cannot reset given config key")
+	ErrConfigNotFound                 = errors.New("config with the given name does not exist")
-	ErrConfigNotFound                 = errors.New("cli: config with the given name does not exist")
+	ErrNoURLProvided                  = errors.New("no URL provided")
-	ErrNoURLProvided                  = errors.New("cli: no URL provided by flag or via config")
+	ErrIllegalConfigKey               = errors.New("given config key is not allowed")
-	ErrIllegalConfigKey               = errors.New("cli: given config key is not allowed")
+	ErrScanNotSupported               = errors.New("scanning is not supported for given image media type")
-	ErrScanNotSupported               = errors.New("search: scanning of image media type not supported")
+	ErrCLITimeout                     = errors.New("query timed out while waiting for results")
-	ErrCLITimeout                     = errors.New("cli: Query timed out while waiting for results")
+	ErrDuplicateConfigName            = errors.New("cli config name already added")
-	ErrDuplicateConfigName            = errors.New("cli: cli config name already added")
+	ErrInvalidRoute                   = errors.New("invalid route prefix")
-	ErrInvalidRoute                   = errors.New("routes: invalid route prefix")
+	ErrImgStoreNotFound               = errors.New("image store not found corresponding to given route")
-	ErrImgStoreNotFound               = errors.New("routes: image store not found corresponding to given route")
+	ErrEmptyValue                     = errors.New("empty cache value")
-	ErrEmptyValue                     = errors.New("cache: empty value")
+	ErrEmptyRepoList                  = errors.New("no repository found")
-	ErrEmptyRepoList                  = errors.New("search: no repository found")
+	ErrCVESearchDisabled              = errors.New("cve search is disabled")
-	ErrCVESearchDisabled              = errors.New("search: CVE search is disabled")
+	ErrCVEDBNotFound                  = errors.New("cve-db is not present")
-	ErrCVEDBNotFound                  = errors.New("cve: CVE DB is not present")
+	ErrInvalidRepositoryName          = errors.New("not a valid repository name")
-	ErrInvalidRepositoryName          = errors.New("repository: not a valid repository name")
+	ErrSyncMissingCatalog             = errors.New("couldn't fetch upstream registry's catalog")
-	ErrSyncMissingCatalog             = errors.New("sync: couldn't fetch upstream registry's catalog")
+	ErrInvalidMetric                  = errors.New("invalid metric func")
-	ErrMethodNotSupported             = errors.New("storage: method not supported")
+	ErrInjected                       = errors.New("injected failure")
-	ErrInvalidMetric                  = errors.New("metrics: invalid metric func")
+	ErrSyncInvalidUpstreamURL         = errors.New("upstream url not found in sync config")
-	ErrInjected                       = errors.New("test: injected failure")
+	ErrRegistryNoContent              = errors.New("could not find a Content that matches localRepo")
-	ErrSyncInvalidUpstreamURL         = errors.New("sync: upstream url not found in sync config")
+	ErrSyncReferrerNotFound           = errors.New("couldn't find upstream referrer")
-	ErrRegistryNoContent              = errors.New("sync: could not find a Content that matches localRepo")
+	ErrImageLintAnnotations           = errors.New("lint checks failed")
-	ErrSyncReferrerNotFound           = errors.New("sync: couldn't find upstream referrer")
+	ErrParsingAuthHeader              = errors.New("failed parsing authorization header")
-	ErrImageLintAnnotations           = errors.New("routes: lint checks failed")
+	ErrBadType                        = errors.New("invalid type")
-	ErrParsingAuthHeader              = errors.New("auth: failed parsing authorization header")
+	ErrParsingHTTPHeader              = errors.New("invalid HTTP header")
-	ErrBadType                        = errors.New("core: invalid type")
+	ErrBadRange                       = errors.New("bad range for streaming blob")
-	ErrParsingHTTPHeader              = errors.New("routes: invalid HTTP header")
+	ErrBadLayerCount                  = errors.New("manifest layers count doesn't correspond to config history")
-	ErrBadRange                       = errors.New("storage: bad range")
+	ErrManifestConflict               = errors.New("multiple manifests found")
-	ErrBadLayerCount                  = errors.New("manifest: layers count doesn't correspond to config history")
+	ErrImageMetaNotFound              = errors.New("image meta not found")
-	ErrManifestConflict               = errors.New("manifest: multiple manifests found")
+	ErrUnexpectedMediaType            = errors.New("unexpected media type")
-	ErrManifestMetaNotFound           = errors.New("metadb: image metadata not found for given manifest reference")
+	ErrRepoMetaNotFound               = errors.New("repo metadata not found for given repo name")
-	ErrImageMetaNotFound              = errors.New("metadb: image meta not found")
+	ErrTagMetaNotFound                = errors.New("tag metadata not found for given repo and tag names")
-	ErrUnexpectedMediaType            = errors.New("metadb: got unexpected media type")
+	ErrTypeAssertionFailed            = errors.New("failed DatabaseDriver type assertion")
-	ErrRepoMetaNotFound               = errors.New("metadb: repo metadata not found for given repo name")
+	ErrInvalidRequestParams           = errors.New("request parameter has invalid value")
-	ErrTagMetaNotFound                = errors.New("metadb: tag metadata not found for given repo and tag names")
-	ErrTypeAssertionFailed            = errors.New("storage: failed DatabaseDriver type assertion")
-	ErrInvalidRequestParams           = errors.New("resolver: parameter sent has invalid value")
 	ErrBadCtxFormat                   = errors.New("type assertion failed")
-	ErrEmptyRepoName                  = errors.New("metadb: repo name can't be empty string")
+	ErrEmptyRepoName                  = errors.New("repo name can't be empty string")
-	ErrEmptyTag                       = errors.New("metadb: tag can't be empty string")
+	ErrEmptyTag                       = errors.New("tag can't be empty string")
-	ErrEmptyDigest                    = errors.New("metadb: digest can't be empty string")
+	ErrEmptyDigest                    = errors.New("digest can't be empty string")
-	ErrInvalidRepoRefFormat           = errors.New("invalid image reference format [repo:tag] or [repo@digest]")
+	ErrInvalidRepoRefFormat           = errors.New("invalid image reference format, use [repo:tag] or [repo@digest]")
-	ErrLimitIsNegative                = errors.New("pagination: limit has negative value")
+	ErrLimitIsNegative                = errors.New("pagination limit has negative value")
-	ErrOffsetIsNegative               = errors.New("pagination: offset has negative value")
+	ErrOffsetIsNegative               = errors.New("pagination offset has negative value")
-	ErrSortCriteriaNotSupported       = errors.New("pagination: the sort criteria is not supported")
+	ErrSortCriteriaNotSupported       = errors.New("the pagination sort criteria is not supported")
-	ErrMediaTypeNotSupported          = errors.New("metadb: media type is not supported")
+	ErrMediaTypeNotSupported          = errors.New("media type is not supported")
 	ErrTimeout                        = errors.New("operation timeout")
 	ErrNotImplemented                 = errors.New("not implemented")
-	ErrDedupeRebuild                  = errors.New("dedupe: couldn't rebuild dedupe index")
+	ErrDedupeRebuild                  = errors.New("couldn't rebuild dedupe index")
-	ErrMissingAuthHeader              = errors.New("auth: required authorization header is missing")
+	ErrMissingAuthHeader              = errors.New("required authorization header is missing")
-	ErrUserAPIKeyNotFound             = errors.New("userDB: user info for given API key hash not found")
+	ErrUserAPIKeyNotFound             = errors.New("user info for given API key hash not found")
-	ErrUserSessionNotFound            = errors.New("userDB: user session for given ID not found")
+	ErrUserSessionNotFound            = errors.New("user session for given ID not found")
-	ErrBucketDoesNotExist             = errors.New("DB: bucket does not exist")
+	ErrBucketDoesNotExist             = errors.New("bucket does not exist")
-	ErrOpenIDProviderDoesNotExist     = errors.New("openID: provider does not exist in given config")
+	ErrOpenIDProviderDoesNotExist     = errors.New("openid provider does not exist in given config")
-	ErrHashKeyNotCreated              = errors.New("cookiestore: generated random hash key is nil, not continuing")
+	ErrHashKeyNotCreated              = errors.New("cookiestore generated random hash key is nil, aborting")
 	ErrFailedTypeAssertion            = errors.New("type assertion failed")
-	ErrInvalidOldUserStarredRepos     = errors.New("metadb: invalid old entry for user starred repos")
+	ErrInvalidOldUserStarredRepos     = errors.New("invalid old entry for user starred repos")
-	ErrUnmarshalledRepoListIsNil      = errors.New("metadb: list of repos is still nil")
+	ErrUnmarshalledRepoListIsNil      = errors.New("list of repos is still nil")
-	ErrCouldNotMarshalStarredRepos    = errors.New("metadb: could not repack entry for user starred repos")
+	ErrCouldNotMarshalStarredRepos    = errors.New("could not repack entry for user starred repos")
-	ErrInvalidOldUserBookmarkedRepos  = errors.New("metadb: invalid old entry for user bookmarked repos")
+	ErrInvalidOldUserBookmarkedRepos  = errors.New("invalid old entry for user bookmarked repos")
-	ErrCouldNotMarshalBookmarkedRepos = errors.New("metadb: could not repack entry for user bookmarked repos")
+	ErrCouldNotMarshalBookmarkedRepos = errors.New("could not repack entry for user bookmarked repos")
-	ErrUserDataNotFound               = errors.New("metadb: user data not found for given user identifier")
+	ErrUserDataNotFound               = errors.New("user data not found for given user identifier")
-	ErrUserDataNotAllowed             = errors.New("metadb: user data operations are not allowed")
+	ErrUserDataNotAllowed             = errors.New("user data operations are not allowed")
-	ErrCouldNotPersistData            = errors.New("metadb: could not persist to db")
+	ErrCouldNotPersistData            = errors.New("could not persist to db")
-	ErrSignConfigDirNotSet            = errors.New("signatures: signature config dir not set")
+	ErrSignConfigDirNotSet            = errors.New("signature config dir not set")
-	ErrBadManifestDigest              = errors.New("signatures: bad manifest digest")
+	ErrBadSignatureManifestDigest     = errors.New("bad signature manifest digest")
-	ErrInvalidSignatureType           = errors.New("signatures: invalid signature type")
+	ErrInvalidSignatureType           = errors.New("invalid signature type")
-	ErrSyncPingRegistry               = errors.New("sync: unable to ping any registry URLs")
+	ErrSyncPingRegistry               = errors.New("unable to ping any registry URLs")
-	ErrSyncImageNotSigned             = errors.New("sync: image is not signed")
+	ErrSyncImageNotSigned             = errors.New("synced image is not signed")
-	ErrSyncImageFilteredOut           = errors.New("sync: image is filtered out by sync config")
+	ErrSyncImageFilteredOut           = errors.New("image is filtered out by sync config")
-	ErrCallerInfo                     = errors.New("runtime: failed to get info regarding the current runtime")
+	ErrInvalidTruststoreType          = errors.New("invalid signature truststore type")
-	ErrInvalidTruststoreType          = errors.New("signatures: invalid truststore type")
+	ErrInvalidTruststoreName          = errors.New("invalid signature truststore name")
-	ErrInvalidTruststoreName          = errors.New("signatures: invalid truststore name")
+	ErrInvalidCertificateContent      = errors.New("invalid signature certificate content")
-	ErrInvalidCertificateContent      = errors.New("signatures: invalid certificate content")
+	ErrInvalidPublicKeyContent        = errors.New("invalid signature public key content")
-	ErrInvalidPublicKeyContent        = errors.New("signatures: invalid public key content")
+	ErrInvalidStateCookie             = errors.New("auth state cookie not present or differs from original state")
-	ErrInvalidStateCookie             = errors.New("auth: state cookie not present or differs from original state")
+	ErrSyncNoURLsLeft                 = errors.New("no valid registry urls left after filtering local ones")
-	ErrSyncNoURLsLeft                 = errors.New("sync: no valid registry urls left after filtering local ones")
+	ErrInvalidCLIParameter            = errors.New("invalid cli parameter")
-	ErrInvalidCLIParameter            = errors.New("cli: invalid parameter")
+	ErrGQLEndpointNotFound            = errors.New("the server doesn't have a gql endpoint")
-	ErrGQLEndpointNotFound            = errors.New("cli: the server doesn't have a gql endpoint")
+	ErrGQLQueryNotSupported           = errors.New("query is not supported or has different arguments")
-	ErrGQLQueryNotSupported           = errors.New("cli: query is not supported or has different arguments")
+	ErrBadHTTPStatusCode              = errors.New("the response doesn't contain the expected status code")
-	ErrBadHTTPStatusCode              = errors.New("cli: the response doesn't contain the expected status code")
+	ErrFileAlreadyCancelled           = errors.New("storageDriver file already cancelled")
-	ErrFormatNotSupported             = errors.New("cli: the given output format is not supported")
+	ErrFileAlreadyClosed              = errors.New("storageDriver file already closed")
-	ErrAPINotSupported                = errors.New("registry at the given address doesn't implement the correct API")
+	ErrFileAlreadyCommitted           = errors.New("storageDriver file already committed")
-	ErrInvalidSearchQuery             = errors.New("invalid search query")
+	ErrInvalidOutputFormat            = errors.New("invalid cli output format")
-	ErrFileAlreadyCancelled           = errors.New("storageDriver: file already cancelled")
-	ErrFileAlreadyClosed              = errors.New("storageDriver: file already closed")
-	ErrFileAlreadyCommitted           = errors.New("storageDriver: file already committed")
-	ErrInvalidOutputFormat            = errors.New("cli: invalid output format")
 	ErrServerIsRunning                = errors.New("server is running")
 	ErrDatabaseFileAlreadyInUse       = errors.New("boltdb file is already in use")
 	ErrFlagValueUnsupported           = errors.New("supported values ")
-	ErrUnknownSubcommand              = errors.New("cli: unknown subcommand")
+	ErrUnknownSubcommand              = errors.New("unknown cli subcommand")
-	ErrMultipleReposSameName          = errors.New("test: can't have multiple repos with the same name")
+	ErrMultipleReposSameName          = errors.New("can't have multiple repos with the same name")
-	ErrRetentionPolicyNotFound        = errors.New("retention: repo or tag policy not found")
+	ErrRetentionPolicyNotFound        = errors.New("retention repo or tag policy not found")
+	ErrFormatNotSupported             = errors.New("the given output format is not supported")
+	ErrAPINotSupported                = errors.New("registry at the given address doesn't implement the correct API")
+	ErrURLNotFound                    = errors.New("url not found")
+	ErrInvalidSearchQuery             = errors.New("invalid search query")
 )

pkg/api/authn.go

@@ -86,7 +86,7 @@ func (amw *AuthnMiddleware) sessionAuthn(ctlr *Controller, userAc *reqCtx.UserAc
 
 	groups, err := ctlr.MetaDB.GetUserGroups(request.Context())
 	if err != nil {
-		ctlr.Log.Err(err).Str("identity", identity).Msg("can not get user profile in DB")
+		ctlr.Log.Err(err).Str("identity", identity).Msg("failed to get user profile in DB")
 
 		return false, err
 	}
@@ -134,7 +134,7 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 
 			// we have already populated the request context with userAc
 			if err := ctlr.MetaDB.SetUserGroups(request.Context(), groups); err != nil {
-				ctlr.Log.Error().Err(err).Str("identity", identity).Msg("couldn't update user profile")
+				ctlr.Log.Error().Err(err).Str("identity", identity).Msg("failed to update user profile")
 
 				return false, err
 			}
@@ -172,7 +172,7 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 
 			// we have already populated the request context with userAc
 			if err := ctlr.MetaDB.SetUserGroups(request.Context(), groups); err != nil {
-				ctlr.Log.Error().Err(err).Str("identity", identity).Msg("couldn't update user profile")
+				ctlr.Log.Error().Err(err).Str("identity", identity).Msg("failed to update user profile")
 
 				return false, err
 			}
@@ -186,7 +186,7 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 		apiKey := passphrase
 
 		if !strings.HasPrefix(apiKey, constants.APIKeysPrefix) {
-			ctlr.Log.Error().Msg("api token has invalid format")
+			ctlr.Log.Error().Msg("invalid api token format")
 
 			return false, nil
 		}
@@ -198,12 +198,12 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 		storedIdentity, err := ctlr.MetaDB.GetUserAPIKeyInfo(hashedKey)
 		if err != nil {
 			if errors.Is(err, zerr.ErrUserAPIKeyNotFound) {
-				ctlr.Log.Info().Err(err).Msgf("can not find any user info for hashed key %s in DB", hashedKey)
+				ctlr.Log.Info().Err(err).Msgf("failed to find any user info for hashed key %s in DB", hashedKey)
 
 				return false, nil
 			}
 
-			ctlr.Log.Error().Err(err).Msgf("can not get user info for hashed key %s in DB", hashedKey)
+			ctlr.Log.Error().Err(err).Msgf("failed to get user info for hashed key %s in DB", hashedKey)
 
 			return false, err
 		}
@@ -215,7 +215,7 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 			// check if api key expired
 			isExpired, err := ctlr.MetaDB.IsAPIKeyExpired(request.Context(), hashedKey)
 			if err != nil {
-				ctlr.Log.Err(err).Str("identity", identity).Msg("can not verify if api key expired")
+				ctlr.Log.Err(err).Str("identity", identity).Msg("failed to verify if api key expired")
 
 				return false, err
 			}
@@ -226,14 +226,14 @@ func (amw *AuthnMiddleware) basicAuthn(ctlr *Controller, userAc *reqCtx.UserAcce
 
 			err = ctlr.MetaDB.UpdateUserAPIKeyLastUsed(request.Context(), hashedKey)
 			if err != nil {
-				ctlr.Log.Err(err).Str("identity", identity).Msg("can not update user profile in DB")
+				ctlr.Log.Err(err).Str("identity", identity).Msg("failed to update user profile in DB")
 
 				return false, err
 			}
 
 			groups, err := ctlr.MetaDB.GetUserGroups(request.Context())
 			if err != nil {
-				ctlr.Log.Err(err).Str("identity", identity).Msg("can not get user's groups in DB")
+				ctlr.Log.Err(err).Str("identity", identity).Msg("failed to get user's groups in DB")
 
 				return false, err
 			}
@@ -376,7 +376,7 @@ func (amw *AuthnMiddleware) tryAuthnHandlers(ctlr *Controller) mux.MiddlewareFun
 				authenticated, err := amw.sessionAuthn(ctlr, userAc, response, request)
 				if err != nil {
 					if errors.Is(err, zerr.ErrUserDataNotFound) {
-						ctlr.Log.Err(err).Msg("can not find user profile in DB")
+						ctlr.Log.Err(err).Msg("failed to find user profile in DB")
 
 						authFail(response, request, ctlr.Config.HTTP.Realm, delay)
 					}
@@ -419,7 +419,7 @@ func bearerAuthHandler(ctlr *Controller) mux.MiddlewareFunc {
 		EmptyDefaultNamespace: true,
 	})
 	if err != nil {
-		ctlr.Log.Panic().Err(err).Msg("error creating bearer authorizer")
+		ctlr.Log.Panic().Err(err).Msg("failed to create bearer authorizer")
 	}
 
 	return func(next http.Handler) http.Handler {
@@ -452,7 +452,7 @@ func bearerAuthHandler(ctlr *Controller) mux.MiddlewareFunc {
 
 			permissions, err := authorizer.Authorize(header, action, name)
 			if err != nil {
-				ctlr.Log.Error().Err(err).Msg("issue parsing Authorization header")
+				ctlr.Log.Error().Err(err).Msg("failed to parse Authorization header")
 				response.Header().Set("Content-Type", "application/json")
 				zcommon.WriteJSON(response, http.StatusInternalServerError, apiErr.NewError(apiErr.UNSUPPORTED))
 
@@ -523,7 +523,7 @@ func (rh *RouteHandler) AuthURLHandler() http.HandlerFunc {
 
 		client, ok := rh.c.RelyingParties[provider]
 		if !ok {
-			rh.c.Log.Error().Msg("unrecognized openid provider")
+			rh.c.Log.Error().Msg("failed to authenticate due to unrecognized openid provider")
 
 			w.WriteHeader(http.StatusBadRequest)
 
@@ -547,7 +547,7 @@ func (rh *RouteHandler) AuthURLHandler() http.HandlerFunc {
 		// let the session set its own id
 		err := session.Save(r, w)
 		if err != nil {
-			rh.c.Log.Error().Err(err).Msg("unable to save http session")
+			rh.c.Log.Error().Err(err).Msg("failed to save http session")
 
 			w.WriteHeader(http.StatusInternalServerError)
 
@@ -720,7 +720,7 @@ func GetGithubUserInfo(ctx context.Context, client *github.Client, log log.Logge
 
 	userEmails, _, err := client.Users.ListEmails(ctx, nil)
 	if err != nil {
-		log.Error().Msg("couldn't set user record for empty email value")
+		log.Error().Msg("failed to set user record for empty email value")
 
 		return "", []string{}, err
 	}
@@ -737,7 +737,7 @@ func GetGithubUserInfo(ctx context.Context, client *github.Client, log log.Logge
 
 	orgs, _, err := client.Organizations.List(ctx, "", nil)
 	if err != nil {
-		log.Error().Msg("couldn't set user record for empty email value")
+		log.Error().Msg("failed to set user record for empty email value")
 
 		return "", []string{}, err
 	}
@@ -764,7 +764,7 @@ func saveUserLoggedSession(cookieStore sessions.Store, response http.ResponseWri
 	// let the session set its own id
 	err := session.Save(request, response)
 	if err != nil {
-		log.Error().Err(err).Str("identity", identity).Msg("unable to save http session")
+		log.Error().Err(err).Str("identity", identity).Msg("failed to save http session")
 
 		return err
 	}
@@ -790,13 +790,15 @@ func OAuth2Callback(ctlr *Controller, w http.ResponseWriter, r *http.Request, st
 
 	stateOrigin, ok := stateCookie.Values["state"].(string)
 	if !ok {
-		ctlr.Log.Error().Err(zerr.ErrInvalidStateCookie).Msg("openID: unable to get 'state' cookie from request")
+		ctlr.Log.Error().Err(zerr.ErrInvalidStateCookie).Str("component", "openID").
+			Msg(": failed to get 'state' cookie from request")
 
 		return "", zerr.ErrInvalidStateCookie
 	}
 
 	if stateOrigin != state {
-		ctlr.Log.Error().Err(zerr.ErrInvalidStateCookie).Msg("openID: 'state' cookie differs from the actual one")
+		ctlr.Log.Error().Err(zerr.ErrInvalidStateCookie).Str("component", "openID").
+			Msg(": 'state' cookie differs from the actual one")
 
 		return "", zerr.ErrInvalidStateCookie
 	}
@@ -813,7 +815,7 @@ func OAuth2Callback(ctlr *Controller, w http.ResponseWriter, r *http.Request, st
 	}
 
 	if err := ctlr.MetaDB.SetUserGroups(r.Context(), groups); err != nil {
-		ctlr.Log.Error().Err(err).Str("identity", email).Msg("couldn't update the user profile")
+		ctlr.Log.Error().Err(err).Str("identity", email).Msg("failed to update the user profile")
 
 		return "", err
 	}
@@ -841,7 +843,7 @@ func GetAuthUserFromRequestSession(cookieStore sessions.Store, request *http.Req
 ) (string, bool) {
 	session, err := cookieStore.Get(request, "session")
 	if err != nil {
-		log.Error().Err(err).Msg("can not decode existing session")
+		log.Error().Err(err).Msg("failed to decode existing session")
 		// expired cookie, no need to return err
 		return "", false
 	}
@@ -854,14 +856,14 @@ func GetAuthUserFromRequestSession(cookieStore sessions.Store, request *http.Req
 
 	authenticated := session.Values["authStatus"]
 	if authenticated != true {
-		log.Error().Msg("can not get `user` session value")
+		log.Error().Msg("failed to get `user` session value")
 
 		return "", false
 	}
 
 	identity, ok := session.Values["user"].(string)
 	if !ok {
-		log.Error().Msg("can not get `user` session value")
+		log.Error().Msg("failed to get `user` session value")
 
 		return "", false
 	}
@@ -873,7 +875,7 @@ func GenerateAPIKey(uuidGenerator guuid.Generator, log log.Logger,
 ) (string, string, error) {
 	apiKeyBase, err := uuidGenerator.NewV4()
 	if err != nil {
-		log.Error().Err(err).Msg("unable to generate uuid for api key base")
+		log.Error().Err(err).Msg("failed to generate uuid for api key base")
 
 		return "", "", err
 	}
@@ -883,7 +885,7 @@ func GenerateAPIKey(uuidGenerator guuid.Generator, log log.Logger,
 	// will be used for identifying a specific api key
 	apiKeyID, err := uuidGenerator.NewV4()
 	if err != nil {
-		log.Error().Err(err).Msg("unable to generate uuid for api key id")
+		log.Error().Err(err).Msg("failed to generate uuid for api key id")
 
 		return "", "", err
 	}

pkg/api/authn_test.go

@@ -129,7 +129,7 @@ func TestAPIKeys(t *testing.T) {
 		conf.Extensions.UI.Enable = &defaultVal
 
 		ctlr := api.NewController(conf)
-		ctlr.Log.Info().Int64("seedUser", seedUser).Int64("seedPass", seedPass).Msg("random seed for username & password")
+		ctlr.Log.Info().Int64("seedUser", seedUser).Int64("seedPass", seedPass).Msg("Random seed for username & password")
 		dir := t.TempDir()
 
 		ctlr.Config.Storage.RootDirectory = dir

pkg/api/controller.go

@@ -438,7 +438,7 @@ func (c *Controller) StartBackgroundTasks(reloadCtx context.Context) {
 		//nolint: contextcheck
 		syncOnDemand, err := ext.EnableSyncExtension(c.Config, c.MetaDB, c.StoreController, c.taskScheduler, c.Log)
 		if err != nil {
-			c.Log.Error().Err(err).Msg("unable to start sync extension")
+			c.Log.Error().Err(err).Msg("failed to start sync extension")
 		}
 
 		c.SyncOnDemand = syncOnDemand

pkg/api/controller_test.go

@@ -8950,7 +8950,7 @@ func TestPeriodicGC(t *testing.T) {
 		So(err, ShouldBeNil)
 		So(string(data), ShouldContainSubstring,
 			"\"GC\":true,\"Commit\":false,\"GCDelay\":1000000000,\"GCInterval\":3600000000000")
-		So(string(data), ShouldContainSubstring, "failure walking storage root-dir") //nolint:lll
+		So(string(data), ShouldContainSubstring, "failed to walk storage root-dir") //nolint:lll
 	})
 }
 

pkg/api/ldap.go

@@ -49,7 +49,7 @@ func (lc *LDAPClient) Connect() error {
 		if !lc.UseSSL {
 			l, err = ldap.Dial("tcp", address)
 			if err != nil {
-				lc.Log.Error().Err(err).Str("address", address).Msg("non-TLS connection failed")
+				lc.Log.Error().Err(err).Str("address", address).Msg("failed to establish a TCP connection")
 
 				return err
 			}
@@ -68,7 +68,7 @@ func (lc *LDAPClient) Connect() error {
 				err = l.StartTLS(config)
 
 				if err != nil {
-					lc.Log.Error().Err(err).Str("address", address).Msg("TLS connection failed")
+					lc.Log.Error().Err(err).Str("address", address).Msg("failed to establish a TLS connection")
 
 					return err
 				}
@@ -85,7 +85,7 @@ func (lc *LDAPClient) Connect() error {
 			}
 			l, err = ldap.DialTLS("tcp", address, config)
 			if err != nil {
-				lc.Log.Error().Err(err).Str("address", address).Msg("TLS connection failed")
+				lc.Log.Error().Err(err).Str("address", address).Msg("failed to establish a TLS connection")
 
 				return err
 			}
@@ -143,7 +143,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 		if lc.BindPassword != "" {
 			err := lc.Conn.Bind(lc.BindDN, lc.BindPassword)
 			if err != nil {
-				lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Msg("bind failed")
+				lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Msg("failed to bind")
 				// clean up the cached conn, so we can retry
 				lc.Conn.Close()
 				lc.Conn = nil
@@ -153,7 +153,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 		} else {
 			err := lc.Conn.UnauthenticatedBind(lc.BindDN)
 			if err != nil {
-				lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Msg("bind failed")
+				lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Msg("failed to bind")
 				// clean up the cached conn, so we can retry
 				lc.Conn.Close()
 				lc.Conn = nil
@@ -167,7 +167,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 
 	// exhausted all retries?
 	if !connected {
-		lc.Log.Error().Err(errors.ErrLDAPBadConn).Msg("exhausted all retries")
+		lc.Log.Error().Err(errors.ErrLDAPBadConn).Msg("failed to authenticate, exhausted all retries")
 
 		return false, nil, nil, errors.ErrLDAPBadConn
 	}
@@ -194,7 +194,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 	if err != nil {
 		fmt.Printf("%v\n", err)
 		lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Str("username", username).
-			Str("baseDN", lc.Base).Msg("search failed")
+			Str("baseDN", lc.Base).Msg("failed to perform a search request")
 
 		return false, nil, nil, err
 	}
@@ -202,7 +202,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 	if len(search.Entries) < 1 {
 		err := errors.ErrBadUser
 		lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Str("username", username).
-			Str("baseDN", lc.Base).Msg("entries not found")
+			Str("baseDN", lc.Base).Msg("failed to find entry")
 
 		return false, nil, nil, err
 	}
@@ -210,7 +210,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 	if len(search.Entries) > 1 {
 		err := errors.ErrEntriesExceeded
 		lc.Log.Error().Err(err).Str("bindDN", lc.BindDN).Str("username", username).
-			Str("baseDN", lc.Base).Msg("too many entries")
+			Str("baseDN", lc.Base).Msg("failed to retrieve due to an excessive amount of entries")
 
 		return false, nil, nil, err
 	}
@@ -227,7 +227,7 @@ func (lc *LDAPClient) Authenticate(username, password string) (bool, map[string]
 	// Bind as the user to verify their password
 	err = lc.Conn.Bind(userDN, password)
 	if err != nil {
-		lc.Log.Error().Err(err).Str("bindDN", userDN).Msg("user bind failed")
+		lc.Log.Error().Err(err).Str("bindDN", userDN).Msg("failed to bind user")
 
 		return false, user, userGroups, err
 	}

pkg/api/routes.go

@@ -549,7 +549,7 @@ func getReferrers(ctx context.Context, routeHandler *RouteHandler,
 			if errSync := routeHandler.c.SyncOnDemand.SyncReference(ctx, name, digest.String(),
 				syncConstants.OCI); errSync != nil {
 				routeHandler.c.Log.Err(errSync).Str("repository", name).Str("reference", digest.String()).
-					Msg("error encounter while syncing OCI reference for image")
+					Msg("failed to sync OCI reference for image")
 			}
 
 			refs, err = imgStore.GetReferrers(name, digest, artifactTypes)
@@ -604,10 +604,12 @@ func (rh *RouteHandler) GetReferrers(response http.ResponseWriter, request *http
 	referrers, err := getReferrers(request.Context(), rh, imgStore, name, digest, artifactTypes)
 	if err != nil {
 		if errors.Is(err, zerr.ErrManifestNotFound) || errors.Is(err, zerr.ErrRepoNotFound) {
-			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("manifest not found")
+			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).
+				Msg("failed to get manifest")
 			response.WriteHeader(http.StatusNotFound)
 		} else {
-			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("unable to get references")
+			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).
+				Msg("failed to get references")
 			response.WriteHeader(http.StatusInternalServerError)
 		}
 
@@ -616,7 +618,7 @@ func (rh *RouteHandler) GetReferrers(response http.ResponseWriter, request *http
 
 	out, err := json.Marshal(referrers)
 	if err != nil {
-		rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("unable to marshal json")
+		rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("failed to marshal json")
 		response.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -706,7 +708,7 @@ func (rh *RouteHandler) UpdateManifest(response http.ResponseWriter, request *ht
 			zcommon.WriteJSON(response, http.StatusBadRequest, apiErr.NewErrorList(e))
 		} else {
 			// could be syscall.EMFILE (Err:0x18 too many opened files), etc
-			rh.c.Log.Error().Err(err).Msg("unexpected error: performing cleanup")
+			rh.c.Log.Error().Err(err).Msg("unexpected error, performing cleanup")
 
 			if err = imgStore.DeleteImageManifest(name, reference, false); err != nil {
 				// deletion of image manifest is important, but not critical for image repo consistency
@@ -1223,8 +1225,6 @@ func (rh *RouteHandler) CreateBlobUpload(response http.ResponseWriter, request *
 			return
 		}
 
-		rh.c.Log.Info().Int64("r.ContentLength", request.ContentLength).Msg("DEBUG")
-
 		digestStr := digests[0]
 
 		digest := godigest.Digest(digestStr)
@@ -1249,7 +1249,8 @@ func (rh *RouteHandler) CreateBlobUpload(response http.ResponseWriter, request *
 
 		sessionID, size, err := imgStore.FullBlobUpload(name, request.Body, digest)
 		if err != nil {
-			rh.c.Log.Error().Err(err).Int64("actual", size).Int64("expected", contentLength).Msg("failed full upload")
+			rh.c.Log.Error().Err(err).Int64("actual", size).Int64("expected", contentLength).
+				Msg("failed to full blob upload")
 			response.WriteHeader(http.StatusInternalServerError)
 
 			return
@@ -1430,7 +1431,7 @@ func (rh *RouteHandler) PatchBlobUpload(response http.ResponseWriter, request *h
 			zcommon.WriteJSON(response, http.StatusNotFound, apiErr.NewErrorList(e))
 		} else {
 			// could be io.ErrUnexpectedEOF, syscall.EMFILE (Err:0x18 too many opened files), etc
-			rh.c.Log.Error().Err(err).Msg("unexpected error: removing .uploads/ files")
+			rh.c.Log.Error().Err(err).Msg("unexpected error, removing .uploads/ files")
 
 			if err = imgStore.DeleteBlobUpload(name, sessionID); err != nil {
 				rh.c.Log.Error().Err(err).Str("blobUpload", sessionID).Str("repository", name).
@@ -1496,8 +1497,6 @@ func (rh *RouteHandler) UpdateBlobUpload(response http.ResponseWriter, request *
 		return
 	}
 
-	rh.c.Log.Info().Int64("r.ContentLength", request.ContentLength).Msg("DEBUG")
-
 	contentPresent := true
 
 	contentLen, err := strconv.ParseInt(request.Header.Get("Content-Length"), 10, 64)
@@ -1554,11 +1553,11 @@ func (rh *RouteHandler) UpdateBlobUpload(response http.ResponseWriter, request *
 				zcommon.WriteJSON(response, http.StatusNotFound, apiErr.NewErrorList(e))
 			} else {
 				// could be io.ErrUnexpectedEOF, syscall.EMFILE (Err:0x18 too many opened files), etc
-				rh.c.Log.Error().Err(err).Msg("unexpected error: removing .uploads/ files")
+				rh.c.Log.Error().Err(err).Msg("unexpected error, removing .uploads/ files")
 
 				if err = imgStore.DeleteBlobUpload(name, sessionID); err != nil {
 					rh.c.Log.Error().Err(err).Str("blobUpload", sessionID).Str("repository", name).
-						Msg("couldn't remove blobUpload in repo")
+						Msg("failed to remove blobUpload in repo")
 				}
 				response.WriteHeader(http.StatusInternalServerError)
 			}
@@ -1589,11 +1588,11 @@ finish:
 			zcommon.WriteJSON(response, http.StatusNotFound, apiErr.NewErrorList(e))
 		} else {
 			// could be io.ErrUnexpectedEOF, syscall.EMFILE (Err:0x18 too many opened files), etc
-			rh.c.Log.Error().Err(err).Msg("unexpected error: removing .uploads/ files")
+			rh.c.Log.Error().Err(err).Msg("unexpected error, removing .uploads/ files")
 
 			if err = imgStore.DeleteBlobUpload(name, sessionID); err != nil {
 				rh.c.Log.Error().Err(err).Str("blobUpload", sessionID).Str("repository", name).
-					Msg("couldn't remove blobUpload in repo")
+					Msg("failed to remove blobUpload in repo")
 			}
 			response.WriteHeader(http.StatusInternalServerError)
 		}
@@ -1813,7 +1812,7 @@ func (rh *RouteHandler) OpenIDCodeExchangeCallback() rp.CodeExchangeUserinfoCall
 	) {
 		email := info.GetEmail()
 		if email == "" {
-			rh.c.Log.Error().Msg("couldn't set user record for empty email value")
+			rh.c.Log.Error().Msg("failed to set user record for empty email value")
 			w.WriteHeader(http.StatusUnauthorized)
 
 			return
@@ -1823,7 +1822,7 @@ func (rh *RouteHandler) OpenIDCodeExchangeCallback() rp.CodeExchangeUserinfoCall
 
 		val, ok := info.GetClaim("groups").([]interface{})
 		if !ok {
-			rh.c.Log.Info().Msgf("couldn't find any 'groups' claim for user %s", email)
+			rh.c.Log.Info().Msgf("failed to find any 'groups' claim for user %s", email)
 		}
 
 		for _, group := range val {
@@ -1887,7 +1886,7 @@ func WriteDataFromReader(response http.ResponseWriter, status int, length int64,
 			break
 		} else if err != nil {
 			// other kinds of intermittent errors can occur, e.g, io.ErrShortWrite
-			logger.Error().Err(err).Msg("copying data into http response")
+			logger.Error().Err(err).Msg("failed to copy data into http response")
 
 			return
 		}
@@ -1920,7 +1919,7 @@ func getImageManifest(ctx context.Context, routeHandler *RouteHandler, imgStore
 
 		if errSync := routeHandler.c.SyncOnDemand.SyncImage(ctx, name, reference); errSync != nil {
 			routeHandler.c.Log.Err(errSync).Str("repository", name).Str("reference", reference).
-				Msg("error encounter while syncing image")
+				Msg("failed to sync image")
 		}
 	}
 
@@ -1941,7 +1940,7 @@ func getOrasReferrers(ctx context.Context, routeHandler *RouteHandler,
 			if errSync := routeHandler.c.SyncOnDemand.SyncReference(ctx, name, digest.String(),
 				syncConstants.Oras); errSync != nil {
 				routeHandler.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).
-					Msg("unable to get references")
+					Msg("failed to get references")
 			}
 
 			refs, err = imgStore.GetOrasReferrers(name, digest, artifactType)
@@ -2008,10 +2007,12 @@ func (rh *RouteHandler) GetOrasReferrers(response http.ResponseWriter, request *
 	refs, err := getOrasReferrers(request.Context(), rh, imgStore, name, digest, artifactType) //nolint:contextcheck
 	if err != nil {
 		if errors.Is(err, zerr.ErrManifestNotFound) || errors.Is(err, zerr.ErrRepoNotFound) {
-			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("manifest not found")
+			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).
+				Msg("failed to get manifest")
 			response.WriteHeader(http.StatusNotFound)
 		} else {
-			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).Msg("unable to get references")
+			rh.c.Log.Error().Err(err).Str("name", name).Str("digest", digest.String()).
+				Msg("failed to get references")
 			response.WriteHeader(http.StatusInternalServerError)
 		}
 
@@ -2041,7 +2042,7 @@ type APIKeyPayload struct { //nolint:revive
 func (rh *RouteHandler) GetAPIKeys(resp http.ResponseWriter, req *http.Request) {
 	apiKeys, err := rh.c.MetaDB.GetUserAPIKeys(req.Context())
 	if err != nil {
-		rh.c.Log.Error().Err(err).Msg("error getting list of API keys for user")
+		rh.c.Log.Error().Err(err).Msg("failed to get list of api keys for user")
 		resp.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -2057,7 +2058,7 @@ func (rh *RouteHandler) GetAPIKeys(resp http.ResponseWriter, req *http.Request)
 
 	data, err := json.Marshal(apiKeyResponse)
 	if err != nil {
-		rh.c.Log.Error().Err(err).Msg("unable to marshal api key response")
+		rh.c.Log.Error().Err(err).Msg("failed to marshal api key response")
 
 		resp.WriteHeader(http.StatusInternalServerError)
 
@@ -2085,7 +2086,7 @@ func (rh *RouteHandler) CreateAPIKey(resp http.ResponseWriter, req *http.Request
 
 	body, err := io.ReadAll(req.Body)
 	if err != nil {
-		rh.c.Log.Error().Msg("unable to read request body")
+		rh.c.Log.Error().Msg("failed to read request body")
 		resp.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -2141,7 +2142,7 @@ func (rh *RouteHandler) CreateAPIKey(resp http.ResponseWriter, req *http.Request
 
 	err = rh.c.MetaDB.AddUserAPIKey(req.Context(), hashedAPIKey, apiKeyDetails)
 	if err != nil {
-		rh.c.Log.Error().Err(err).Msg("error storing API key")
+		rh.c.Log.Error().Err(err).Msg("failed to store api key")
 		resp.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -2159,7 +2160,7 @@ func (rh *RouteHandler) CreateAPIKey(resp http.ResponseWriter, req *http.Request
 
 	data, err := json.Marshal(apiKeyResponse)
 	if err != nil {
-		rh.c.Log.Error().Err(err).Msg("unable to marshal api key response")
+		rh.c.Log.Error().Err(err).Msg("failed to marshal api key response")
 
 		resp.WriteHeader(http.StatusInternalServerError)
 
@@ -2194,7 +2195,7 @@ func (rh *RouteHandler) RevokeAPIKey(resp http.ResponseWriter, req *http.Request
 
 	err := rh.c.MetaDB.DeleteUserAPIKey(req.Context(), keyID)
 	if err != nil {
-		rh.c.Log.Error().Err(err).Str("keyID", keyID).Msg("error deleting API key")
+		rh.c.Log.Error().Err(err).Str("keyID", keyID).Msg("failed to delete api key")
 		resp.WriteHeader(http.StatusInternalServerError)
 
 		return

pkg/api/session.go

@@ -121,7 +121,8 @@ func SessionLogger(ctlr *Controller) mux.MiddlewareFunc {
 				monitoring.ObserveHTTPMethodLatency(ctlr.Metrics, method, latency) // histogram
 			}
 
-			log.Str("clientIP", clientIP).
+			log.Str("component", "session").
+				Str("clientIP", clientIP).
 				Str("method", method).
 				Str("path", path).
 				Int("statusCode", statusCode).
@@ -172,6 +173,7 @@ func SessionAuditLogger(audit *log.Logger) mux.MiddlewareFunc {
 				method == http.MethodPatch || method == http.MethodDelete) &&
 				(statusCode == http.StatusOK || statusCode == http.StatusCreated || statusCode == http.StatusAccepted) {
 				audit.Info().
+					Str("component", "session").
 					Str("clientIP", clientIP).
 					Str("subject", username).
 					Str("action", method).

pkg/cli/client/config_cmd_test.go

@@ -221,7 +221,7 @@ func TestConfigCmdMain(t *testing.T) {
 		cmd.SetArgs(args)
 		err := cmd.Execute()
 		So(err, ShouldNotBeNil)
-		So(buff.String(), ShouldContainSubstring, "invalid config")
+		So(buff.String(), ShouldContainSubstring, "invalid server config")
 	})
 
 	Convey("Test remove config bad permissions", t, func() {

pkg/cli/client/cve_cmd_test.go

@@ -181,7 +181,8 @@ func TestNegativeServerResponse(t *testing.T) {
 
 		test.WaitTillServerReady(url)
 
-		_, err = test.ReadLogFileAndSearchString(logPath, "DB update completed, next update scheduled", 90*time.Second)
+		_, err = test.ReadLogFileAndSearchString(logPath, "cve-db update completed, next update scheduled after interval",
+			90*time.Second)
 		if err != nil {
 			panic(err)
 		}
@@ -263,7 +264,8 @@ func TestServerCVEResponse(t *testing.T) {
 		panic(err)
 	}
 
-	_, err = test.ReadLogFileAndSearchString(logPath, "DB update completed, next update scheduled", 90*time.Second)
+	_, err = test.ReadLogFileAndSearchString(logPath, "cve-db update completed, next update scheduled after interval",
+		90*time.Second)
 	if err != nil {
 		panic(err)
 	}
@@ -367,7 +369,7 @@ func TestServerCVEResponse(t *testing.T) {
 		So(err, ShouldNotBeNil)
 	})
 
-	Convey("Test CVE by image name - GQL - invalid output format", t, func() {
+	Convey("Test CVE by image name - GQL - invalid cli output format", t, func() {
 		args := []string{"list", "zot-cve-test:0.0.1", "-f", "random", "--config", "cvetest"}
 		configPath := makeConfigFile(fmt.Sprintf(`{"configs":[{"_name":"cvetest","url":"%s","showspinner":false}]}`, url))
 		defer os.Remove(configPath)
@@ -378,7 +380,7 @@ func TestServerCVEResponse(t *testing.T) {
 		cveCmd.SetArgs(args)
 		err = cveCmd.Execute()
 		So(err, ShouldNotBeNil)
-		So(buff.String(), ShouldContainSubstring, "invalid output format")
+		So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 	})
 
 	Convey("Test images by CVE ID - GQL - positive", t, func() {
@@ -415,7 +417,7 @@ func TestServerCVEResponse(t *testing.T) {
 		So(str, ShouldNotContainSubstring, "REPOSITORY TAG OS/ARCH DIGEST SIGNED SIZE")
 	})
 
-	Convey("Test images by CVE ID - GQL - invalid output format", t, func() {
+	Convey("Test images by CVE ID - GQL - invalid cli output format", t, func() {
 		args := []string{"affected", "CVE-2019-9923", "-f", "random", "--config", "cvetest"}
 		configPath := makeConfigFile(fmt.Sprintf(`{"configs":[{"_name":"cvetest","url":"%s","showspinner":false}]}`, url))
 		defer os.Remove(configPath)
@@ -426,7 +428,7 @@ func TestServerCVEResponse(t *testing.T) {
 		cveCmd.SetArgs(args)
 		err = cveCmd.Execute()
 		So(err, ShouldNotBeNil)
-		So(buff.String(), ShouldContainSubstring, "invalid output format")
+		So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 	})
 
 	Convey("Test fixed tags by image name and CVE ID - GQL - positive", t, func() {
@@ -530,7 +532,7 @@ func TestServerCVEResponse(t *testing.T) {
 		So(strings.TrimSpace(str), ShouldNotContainSubstring, "REPOSITORY TAG OS/ARCH SIGNED SIZE")
 	})
 
-	Convey("Test CVE by name and CVE ID - GQL - invalid output format", t, func() {
+	Convey("Test CVE by name and CVE ID - GQL - invalid cli output format", t, func() {
 		args := []string{"affected", "CVE-2019-9923", "--repo", "zot-cve-test", "-f", "random", "--config", "cvetest"}
 		configPath := makeConfigFile(fmt.Sprintf(`{"configs":[{"_name":"cvetest","url":"%s","showspinner":false}]}`, url))
 		defer os.Remove(configPath)
@@ -541,7 +543,7 @@ func TestServerCVEResponse(t *testing.T) {
 		cveCmd.SetArgs(args)
 		err = cveCmd.Execute()
 		So(err, ShouldNotBeNil)
-		So(buff.String(), ShouldContainSubstring, "invalid output format")
+		So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 	})
 }
 

pkg/cli/client/image_cmd_internal_test.go

@@ -470,7 +470,7 @@ func TestOutputFormat(t *testing.T) {
 		cmd.SetArgs(args)
 		err := cmd.Execute()
 		So(err, ShouldNotBeNil)
-		So(buff.String(), ShouldContainSubstring, "invalid output format")
+		So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 	})
 }
 

pkg/cli/client/image_cmd_test.go

@@ -500,7 +500,7 @@ func TestOutputFormatGQL(t *testing.T) {
 			cmd.SetArgs(args)
 			err := cmd.Execute()
 			So(err, ShouldNotBeNil)
-			So(buff.String(), ShouldContainSubstring, "invalid output format")
+			So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 		})
 	})
 }
@@ -554,7 +554,7 @@ func TestServerResponseGQL(t *testing.T) {
 				cmd.SetArgs(args)
 				err := cmd.Execute()
 				So(err, ShouldNotBeNil)
-				So(buff.String(), ShouldContainSubstring, "invalid output format")
+				So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 			})
 		})
 
@@ -632,7 +632,7 @@ func TestServerResponseGQL(t *testing.T) {
 				cmd.SetArgs(args)
 				err := cmd.Execute()
 				So(err, ShouldNotBeNil)
-				So(buff.String(), ShouldContainSubstring, "invalid output format")
+				So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 			})
 		})
 
@@ -683,7 +683,7 @@ func TestServerResponseGQL(t *testing.T) {
 				cmd.SetArgs(args)
 				err := cmd.Execute()
 				So(err, ShouldNotBeNil)
-				So(buff.String(), ShouldContainSubstring, "invalid output format")
+				So(buff.String(), ShouldContainSubstring, "invalid cli output format")
 			})
 		})
 

pkg/cli/client/repo_test.go

@@ -95,7 +95,7 @@ func TestSuggestions(t *testing.T) {
 		suggestion := client.ShowSuggestionsIfUnknownCommand(
 			client.NewRepoCommand(client.NewSearchService()), []string{"bad-command"})
 		str := space.ReplaceAllString(suggestion.Error(), " ")
-		So(str, ShouldContainSubstring, "unknown subcommand")
+		So(str, ShouldContainSubstring, "unknown cli subcommand")
 
 		suggestion = client.ShowSuggestionsIfUnknownCommand(
 			client.NewRepoCommand(client.NewSearchService()), []string{"listt"})

pkg/cli/server/config_reloader.go

@@ -88,7 +88,7 @@ func (hr *HotReloader) Start() context.Context {
 
 						err := LoadConfiguration(newConfig, hr.filePath)
 						if err != nil {
-							log.Error().Err(err).Msg("couldn't reload config, retry writing it.")
+							log.Error().Err(err).Msg("failed to reload config, retry writing it.")
 
 							continue
 						}
@@ -111,7 +111,7 @@ func (hr *HotReloader) Start() context.Context {
 		}()
 
 		if err := hr.watcher.Add(hr.filePath); err != nil {
-			log.Panic().Err(err).Str("config", hr.filePath).Msg("error adding config file to FsNotify watcher")
+			log.Panic().Err(err).Str("config", hr.filePath).Msg("failed to add config file to fsnotity watcher")
 		}
 
 		<-done

pkg/cli/server/config_reloader_test.go

@@ -491,7 +491,7 @@ func TestConfigReloader(t *testing.T) {
 		time.Sleep(5 * time.Second)
 
 		found, err := test.ReadLogFileAndSearchString(logFile.Name(),
-			"Error downloading Trivy DB to destination dir", 30*time.Second)
+			"failed to download trivy-db to destination dir", 30*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 

pkg/cli/server/extensions_test.go

@@ -805,7 +805,7 @@ func TestServeScrubExtension(t *testing.T) {
 		So(dataStr, ShouldContainSubstring,
 			"\"Extensions\":{\"Search\":null,\"Sync\":null,\"Metrics\":null,\"Scrub\":{\"Enable\":true,\"Interval\":86400000000000},\"Lint\":null") //nolint:lll // gofumpt conflicts with lll
 		So(dataStr, ShouldNotContainSubstring,
-			"Scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
+			"scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
 	})
 
 	Convey("scrub implicitly enabled, but with scrub interval param set", t, func(c C) {
@@ -837,7 +837,7 @@ func TestServeScrubExtension(t *testing.T) {
 		dataStr := string(data)
 		So(dataStr, ShouldContainSubstring, "\"Scrub\":{\"Enable\":true,\"Interval\":3600000000000}")
 		So(dataStr, ShouldContainSubstring,
-			"Scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
+			"scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
 	})
 
 	Convey("scrub explicitly enabled, but without scrub interval param set", t, func(c C) {
@@ -869,7 +869,7 @@ func TestServeScrubExtension(t *testing.T) {
 		So(dataStr, ShouldContainSubstring,
 			"\"Extensions\":{\"Search\":null,\"Sync\":null,\"Metrics\":null,\"Scrub\":{\"Enable\":true,\"Interval\":86400000000000},\"Lint\":null") //nolint:lll // gofumpt conflicts with lll
 		So(dataStr, ShouldNotContainSubstring,
-			"Scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
+			"scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
 	})
 
 	Convey("scrub explicitly disabled", t, func(c C) {
@@ -899,9 +899,9 @@ func TestServeScrubExtension(t *testing.T) {
 		defer os.Remove(logPath) // clean up
 		dataStr := string(data)
 		So(dataStr, ShouldContainSubstring, "\"Scrub\":{\"Enable\":false,\"Interval\":86400000000000}")
-		So(dataStr, ShouldContainSubstring, "Scrub config not provided, skipping scrub")
+		So(dataStr, ShouldContainSubstring, "scrub config not provided, skipping scrub")
 		So(dataStr, ShouldNotContainSubstring,
-			"Scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
+			"scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.")
 	})
 }
 
@@ -1066,7 +1066,7 @@ func TestServeSearchEnabledCVE(t *testing.T) {
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
-		found, err = ReadLogFileAndSearchString(logPath, "updating the CVE database", readLogFileTimeout)
+		found, err = ReadLogFileAndSearchString(logPath, "updating cve-db", readLogFileTimeout)
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 	})
@@ -1151,8 +1151,8 @@ func TestServeSearchDisabled(t *testing.T) {
 		defer os.Remove(logPath) // clean up
 		dataStr := string(data)
 		So(dataStr, ShouldContainSubstring,
-			"\"Search\":{\"Enable\":false,\"CVE\":{\"UpdateInterval\":10800000000000,\"Trivy\":null}")
+			`"Search":{"Enable":false,"CVE":{"UpdateInterval":10800000000000,"Trivy":null}`)
-		So(dataStr, ShouldContainSubstring, "CVE config not provided, skipping CVE update")
+		So(dataStr, ShouldContainSubstring, "cve config not provided, skipping cve-db update")
 		So(dataStr, ShouldNotContainSubstring,
 			"CVE update interval set to too-short interval < 2h, changing update duration to 2 hours and continuing.")
 	})

pkg/cli/server/root.go

@@ -72,7 +72,9 @@ func newServeCmd(conf *config.Config) *cobra.Command {
 			}
 
 			if err := ctlr.Run(reloaderCtx); err != nil {
-				log.Error().Err(err).Msg("unable to start controller, exiting")
+				log.Error().Err(err).Msg("failed to start controller, exiting")
+
+				return err
 			}
 
 			return nil
@@ -108,7 +110,7 @@ func newScrubCmd(conf *config.Config) *cobra.Command {
 				fmt.Sprintf("http://%s/v2", net.JoinHostPort(conf.HTTP.Address, conf.HTTP.Port)),
 				nil)
 			if err != nil {
-				log.Error().Err(err).Msg("unable to create a new http request")
+				log.Error().Err(err).Msg("failed to create a new http request")
 
 				return err
 			}
@@ -116,7 +118,8 @@ func newScrubCmd(conf *config.Config) *cobra.Command {
 			response, err := http.DefaultClient.Do(req)
 			if err == nil {
 				response.Body.Close()
-				log.Warn().Msg("The server is running, in order to perform the scrub command the server should be shut down")
+				log.Warn().Err(zerr.ErrServerIsRunning).
+					Msg("server is running, in order to perform the scrub command the server should be shut down")
 
 				return zerr.ErrServerIsRunning
 			} else {
@@ -153,12 +156,12 @@ func newVerifyCmd(conf *config.Config) *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if len(args) > 0 {
 				if err := LoadConfiguration(conf, args[0]); err != nil {
-					log.Error().Str("config", args[0]).Msg("Config file is invalid")
+					log.Error().Str("config", args[0]).Msg("invalid config file")
 
 					return err
 				}
 
-				log.Info().Str("config", args[0]).Msg("Config file is valid")
+				log.Info().Str("config", args[0]).Msg("config file is valid")
 			}
 
 			return nil
@@ -209,7 +212,8 @@ func validateStorageConfig(cfg *config.Config, log zlog.Logger) error {
 
 	for _, storageConfig := range cfg.Storage.SubPaths {
 		if strings.EqualFold(defaultRootDir, storageConfig.RootDirectory) {
-			log.Error().Err(zerr.ErrBadConfig).Msg("storage subpaths cannot use default storage root directory")
+			log.Error().Err(zerr.ErrBadConfig).
+				Msg("invalid storage config, storage subpaths cannot use default storage root directory")
 
 			return zerr.ErrBadConfig
 		}
@@ -218,7 +222,8 @@ func validateStorageConfig(cfg *config.Config, log zlog.Logger) error {
 		if ok {
 			equal := expConfig.ParamsEqual(storageConfig)
 			if !equal {
-				log.Error().Err(zerr.ErrBadConfig).Msg("storage config with same root directory should have same parameters")
+				log.Error().Err(zerr.ErrBadConfig).
+					Msg("invalid storage config, storage config with same root directory should have same parameters")
 
 				return zerr.ErrBadConfig
 			}
@@ -236,7 +241,7 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 	//nolint: lll
 	if cfg.Storage.Dedupe && cfg.Storage.StorageDriver != nil && cfg.Storage.RemoteCache && cfg.Storage.CacheDriver == nil {
 		log.Error().Err(zerr.ErrBadConfig).Msg(
-			"dedupe set to true with remote storage and caching, but no remote cache configured!")
+			"invalid cache config, dedupe set to true with remote storage and caching, but no remote cache configured")
 
 		return zerr.ErrBadConfig
 	}
@@ -244,7 +249,7 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 	if cfg.Storage.CacheDriver != nil && cfg.Storage.RemoteCache {
 		// local storage with remote caching
 		if cfg.Storage.StorageDriver == nil {
-			log.Error().Err(zerr.ErrBadConfig).Msg("cannot have local storage driver with remote caching!")
+			log.Error().Err(zerr.ErrBadConfig).Msg("invalid cache config, cannot have local storage driver with remote caching!")
 
 			return zerr.ErrBadConfig
 		}
@@ -252,7 +257,7 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 		// unsupported cache driver
 		if cfg.Storage.CacheDriver["name"] != storageConstants.DynamoDBDriverName {
 			log.Error().Err(zerr.ErrBadConfig).
-				Interface("cacheDriver", cfg.Storage.CacheDriver["name"]).Msg("unsupported cache driver")
+				Interface("cacheDriver", cfg.Storage.CacheDriver["name"]).Msg("invalid cache config, unsupported cache driver")
 
 			return zerr.ErrBadConfig
 		}
@@ -260,7 +265,7 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 
 	if !cfg.Storage.RemoteCache && cfg.Storage.CacheDriver != nil {
 		log.Warn().Err(zerr.ErrBadConfig).Str("directory", cfg.Storage.RootDirectory).
-			Msg("remoteCache set to false but cacheDriver config (remote caching) provided for directory" +
+			Msg("invalid cache config, remoteCache set to false but cacheDriver config (remote caching) provided for directory" +
 				"will ignore and use local caching")
 	}
 
@@ -269,7 +274,8 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 		// dedupe true, remote storage, remoteCache true, but no cacheDriver (remote)
 		//nolint: lll
 		if subPath.Dedupe && subPath.StorageDriver != nil && subPath.RemoteCache && subPath.CacheDriver == nil {
-			log.Error().Err(zerr.ErrBadConfig).Msg("dedupe set to true with remote storage and caching, but no remote cache configured!")
+			log.Error().Err(zerr.ErrBadConfig).
+				Msg("invalid cache config, dedupe set to true with remote storage and caching, but no remote cache configured!")
 
 			return zerr.ErrBadConfig
 		}
@@ -277,7 +283,8 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 		if subPath.CacheDriver != nil && subPath.RemoteCache {
 			// local storage with remote caching
 			if subPath.StorageDriver == nil {
-				log.Error().Err(zerr.ErrBadConfig).Msg("cannot have local storage driver with remote caching!")
+				log.Error().Err(zerr.ErrBadConfig).
+					Msg("invalid cache config, cannot have local storage driver with remote caching!")
 
 				return zerr.ErrBadConfig
 			}
@@ -285,7 +292,7 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 			// unsupported cache driver
 			if subPath.CacheDriver["name"] != storageConstants.DynamoDBDriverName {
 				log.Error().Err(zerr.ErrBadConfig).Interface("cacheDriver", cfg.Storage.CacheDriver["name"]).
-					Msg("unsupported cache driver")
+					Msg("invalid cache config, unsupported cache driver")
 
 				return zerr.ErrBadConfig
 			}
@@ -293,8 +300,8 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 
 		if !subPath.RemoteCache && subPath.CacheDriver != nil {
 			log.Warn().Err(zerr.ErrBadConfig).Str("directory", cfg.Storage.RootDirectory).
-				Msg("remoteCache set to false but cacheDriver config (remote caching) provided for directory," +
+				Msg("invalid cache config, remoteCache set to false but cacheDriver config (remote caching)" +
-					"will ignore and use local caching")
+					"provided for directory, will ignore and use local caching")
 		}
 	}
 
@@ -303,11 +310,11 @@ func validateCacheConfig(cfg *config.Config, log zlog.Logger) error {
 
 func validateExtensionsConfig(cfg *config.Config, log zlog.Logger) error {
 	if cfg.Extensions != nil && cfg.Extensions.Mgmt != nil {
-		log.Warn().Msg("The mgmt extensions configuration option has been made redundant and will be ignored.")
+		log.Warn().Msg("mgmt extensions configuration option has been made redundant and will be ignored.")
 	}
 
 	if cfg.Extensions != nil && cfg.Extensions.APIKey != nil {
-		log.Warn().Msg("The apikey extension configuration will be ignored as API keys " +
+		log.Warn().Msg("apikey extension configuration will be ignored as API keys " +
 			"are now configurable in the HTTP settings.")
 	}
 
@@ -315,7 +322,8 @@ func validateExtensionsConfig(cfg *config.Config, log zlog.Logger) error {
 		// it would make sense to also check for mgmt and user prefs to be enabled,
 		// but those are both enabled by having the search and ui extensions enabled
 		if cfg.Extensions.Search == nil || !*cfg.Extensions.Search.Enable {
-			log.Error().Err(zerr.ErrBadConfig).Msg("UI functionality can't be used without search extension.")
+			log.Error().Err(zerr.ErrBadConfig).
+				Msg("failed to enable ui, search extension must be enabled")
 
 			return zerr.ErrBadConfig
 		}
@@ -324,7 +332,8 @@ func validateExtensionsConfig(cfg *config.Config, log zlog.Logger) error {
 	//nolint:lll
 	if cfg.Storage.StorageDriver != nil && cfg.Extensions != nil && cfg.Extensions.Search != nil &&
 		cfg.Extensions.Search.Enable != nil && *cfg.Extensions.Search.Enable && cfg.Extensions.Search.CVE != nil {
-		log.Error().Err(zerr.ErrBadConfig).Msg("CVE functionality can't be used with remote storage. Please disable CVE")
+		log.Error().Err(zerr.ErrBadConfig).
+			Msg("failed to enable cve scanning due to incompatibility with remote storage, please disable cve")
 
 		return zerr.ErrBadConfig
 	}
@@ -333,7 +342,8 @@ func validateExtensionsConfig(cfg *config.Config, log zlog.Logger) error {
 		//nolint:lll
 		if subPath.StorageDriver != nil && cfg.Extensions != nil && cfg.Extensions.Search != nil &&
 			cfg.Extensions.Search.Enable != nil && *cfg.Extensions.Search.Enable && cfg.Extensions.Search.CVE != nil {
-			log.Error().Err(zerr.ErrBadConfig).Msg("CVE functionality can't be used with remote storage. Please disable CVE")
+			log.Error().Err(zerr.ErrBadConfig).
+				Msg("failed to enable cve scanning due to incompatibility with remote storage, please disable cve")
 
 			return zerr.ErrBadConfig
 		}
@@ -432,7 +442,8 @@ func validateConfiguration(config *config.Config, log zlog.Logger) error {
 		for pattern := range config.HTTP.AccessControl.Repositories {
 			ok := glob.ValidatePattern(pattern)
 			if !ok {
-				log.Error().Err(glob.ErrBadPattern).Str("pattern", pattern).Msg("authorization pattern could not be compiled")
+				log.Error().Err(glob.ErrBadPattern).Str("pattern", pattern).
+					Msg("failed to compile authorization pattern")
 
 				return glob.ErrBadPattern
 			}
@@ -555,7 +566,7 @@ func applyDefaultValues(config *config.Config, viperInstance *viper.Viper, log z
 				if config.Extensions.Search.CVE.UpdateInterval < defaultUpdateInterval {
 					config.Extensions.Search.CVE.UpdateInterval = defaultUpdateInterval
 
-					log.Warn().Msg("CVE update interval set to too-short interval < 2h, " +
+					log.Warn().Msg("cve update interval set to too-short interval < 2h, " +
 						"changing update duration to 2 hours and continuing.")
 				}
 
@@ -565,15 +576,15 @@ func applyDefaultValues(config *config.Config, viperInstance *viper.Viper, log z
 
 				if config.Extensions.Search.CVE.Trivy.DBRepository == "" {
 					defaultDBDownloadURL := "ghcr.io/aquasecurity/trivy-db"
-					log.Info().Str("trivyDownloadURL", defaultDBDownloadURL).
+					log.Info().Str("url", defaultDBDownloadURL).Str("component", "config").
-						Msg("Config: using default Trivy DB download URL.")
+						Msg("using default trivy-db download URL.")
 					config.Extensions.Search.CVE.Trivy.DBRepository = defaultDBDownloadURL
 				}
 
 				if config.Extensions.Search.CVE.Trivy.JavaDBRepository == "" {
 					defaultJavaDBDownloadURL := "ghcr.io/aquasecurity/trivy-java-db"
-					log.Info().Str("trivyJavaDownloadURL", defaultJavaDBDownloadURL).
+					log.Info().Str("url", defaultJavaDBDownloadURL).Str("component", "config").
-						Msg("Config: using default Trivy Java DB download URL.")
+						Msg("using default trivy-java-db download URL.")
 					config.Extensions.Search.CVE.Trivy.JavaDBRepository = defaultJavaDBDownloadURL
 				}
 			}
@@ -649,7 +660,7 @@ func applyDefaultValues(config *config.Config, viperInstance *viper.Viper, log z
 		cachePath := path.Join(cacheDir, storageConstants.BoltdbName+storageConstants.DBExtensionName)
 
 		if _, err := os.Stat(cachePath); err == nil {
-			log.Info().Msg("Config: dedupe set to false for s3 driver but used to be true.")
+			log.Info().Str("component", "config").Msg("dedupe set to false for s3 driver but used to be true.")
 			log.Info().Str("cache path", cachePath).Msg("found cache database")
 
 			config.Storage.RemoteCache = false
@@ -670,7 +681,7 @@ func applyDefaultValues(config *config.Config, viperInstance *viper.Viper, log z
 			subpathCachePath := path.Join(subpathCacheDir, storageConstants.BoltdbName+storageConstants.DBExtensionName)
 
 			if _, err := os.Stat(subpathCachePath); err == nil {
-				log.Info().Msg("Config: dedupe set to false for s3 driver but used to be true. ")
+				log.Info().Str("component", "config").Msg("dedupe set to false for s3 driver but used to be true. ")
 				log.Info().Str("cache path", subpathCachePath).Msg("found cache database")
 
 				storageConfig.RemoteCache = false
@@ -732,14 +743,14 @@ func LoadConfiguration(config *config.Config, configPath string) error {
 	viperInstance.SetConfigFile(configPath)
 
 	if err := viperInstance.ReadInConfig(); err != nil {
-		log.Error().Err(err).Msg("error while reading configuration")
+		log.Error().Err(err).Msg("failed to read configuration")
 
 		return err
 	}
 
 	metaData := &mapstructure.Metadata{}
 	if err := viperInstance.UnmarshalExact(&config, metadataConfig(metaData)); err != nil {
-		log.Error().Err(err).Msg("error while unmarshaling new config")
+		log.Error().Err(err).Msg("failed to unmarshaling new config")
 
 		return err
 	}
@@ -747,13 +758,15 @@ func LoadConfiguration(config *config.Config, configPath string) error {
 	log := zlog.NewLogger(config.Log.Level, config.Log.Output)
 
 	if len(metaData.Keys) == 0 {
-		log.Error().Err(zerr.ErrBadConfig).Msg("config doesn't contain any key:value pair")
+		log.Error().Err(zerr.ErrBadConfig).
+			Msg("failed to load config due to the absence of any key:value pair")
 
 		return zerr.ErrBadConfig
 	}
 
 	if len(metaData.Unused) > 0 {
-		log.Error().Err(zerr.ErrBadConfig).Strs("keys", metaData.Unused).Msg("unknown keys")
+		log.Error().Err(zerr.ErrBadConfig).Strs("keys", metaData.Unused).
+			Msg("failed to load config due to unknown keys")
 
 		return zerr.ErrBadConfig
 	}
@@ -804,7 +817,7 @@ func readLDAPCredentials(ldapConfigPath string) (config.LDAPCredentials, error)
 	viperInstance.SetConfigFile(ldapConfigPath)
 
 	if err := viperInstance.ReadInConfig(); err != nil {
-		log.Error().Err(err).Msg("error while reading configuration")
+		log.Error().Err(err).Msg("failed to read configuration")
 
 		return config.LDAPCredentials{}, err
 	}
@@ -812,7 +825,7 @@ func readLDAPCredentials(ldapConfigPath string) (config.LDAPCredentials, error)
 	var ldapCredentials config.LDAPCredentials
 
 	if err := viperInstance.Unmarshal(&ldapCredentials); err != nil {
-		log.Error().Err(err).Msg("error while unmarshaling new config")
+		log.Error().Err(err).Msg("failed to unmarshal new config")
 
 		return config.LDAPCredentials{}, err
 	}
@@ -1014,8 +1027,8 @@ func validateSync(config *config.Config, log zlog.Logger) error {
 
 					if content.StripPrefix && !strings.Contains(content.Prefix, "/*") && content.Destination == "/" {
 						log.Error().Err(zerr.ErrBadConfig).
-							Interface("sync content", content).
+							Interface("sync content", content).Str("component", "sync").
-							Msg("sync config: can not use stripPrefix true and destination '/' without using glob patterns in prefix")
+							Msg("can not use stripPrefix true and destination '/' without using glob patterns in prefix")
 
 						return zerr.ErrBadConfig
 					}

pkg/exporter/api/exporter.go

@@ -101,7 +101,7 @@ func (zc Collector) Collect(ch chan<- prometheus.Metric) {
 
 func panicOnDuplicateMetricName(m map[string]*prometheus.Desc, name string, log log.Logger) {
 	if _, present := m[name]; present {
-		log.Fatal().Msg("Duplicate keys: metric " + name + " already present")
+		log.Fatal().Str("metric", name).Msg("duplicate key found")
 	}
 }
 
@@ -180,16 +180,16 @@ func runExporter(c *Controller) {
 
 	err := prometheus.Register(GetCollector(c))
 	if err != nil {
-		c.Log.Error().Err(err).Msg("Expected error in testing")
+		c.Log.Debug().Err(err).Msg("ignoring error")
 	}
 
 	http.Handle(c.Config.Exporter.Metrics.Path, promhttp.Handler())
-	c.Log.Info().Str("exporter addr", exporterAddr).
+	c.Log.Info().Str("addr", exporterAddr).
-		Str("exporter metrics path", c.Config.Exporter.Metrics.Path).
+		Str("path", c.Config.Exporter.Metrics.Path).
-		Msg("Exporter is listening on exporter addr & exposes metrics on exporter metrics path")
+		Msg("exporter listening")
 
 	serverAddr := fmt.Sprintf("%s://%s:%s", c.Config.Server.Protocol,
 		c.Config.Server.Host, c.Config.Server.Port)
-	c.Log.Info().Str("serverAddr", serverAddr).Msg("Scraping metrics")
+	c.Log.Info().Str("serverAddr", serverAddr).Msg("scraping metrics")
-	c.Log.Fatal().Err(server.ListenAndServe()).Msg("Exporter stopped")
+	c.Log.Fatal().Err(server.ListenAndServe()).Msg("exporter stopped")
 }

pkg/exporter/cli/cli.go

@@ -60,15 +60,20 @@ func loadConfiguration(config *api.Config, configPath string) {
 	viper.SetConfigFile(configPath)
 
 	if err := viper.ReadInConfig(); err != nil {
-		log.Panic().Err(err).Msg("Error while reading configuration")
+		log.Panic().Err(err).Str("config", configPath).Msg("failed to read configuration")
 	}
 
 	metaData := &mapstructure.Metadata{}
 	if err := viper.Unmarshal(&config, metadataConfig(metaData)); err != nil {
-		log.Panic().Err(err).Msg("Error while unmarshaling new config")
+		log.Panic().Err(err).Str("config", configPath).Msg("failed to unmarshal config")
 	}
 
-	if len(metaData.Keys) == 0 || len(metaData.Unused) > 0 {
+	if len(metaData.Keys) == 0 {
-		log.Panic().Err(zerr.ErrBadConfig).Msg("Bad configuration, retry writing it")
+		log.Panic().Err(zerr.ErrBadConfig).Str("config", configPath).Msg("bad configuration")
+	}
+
+	if len(metaData.Unused) > 0 {
+		log.Panic().Err(zerr.ErrBadConfig).Interface("unknown fields", metaData.Unused).
+			Str("config", configPath).Msg("bad configuration")
 	}
 }

pkg/extensions/extension_image_trust.go

@@ -84,7 +84,7 @@ type ImageTrust struct {
 func (trust *ImageTrust) HandleCosignPublicKeyUpload(response http.ResponseWriter, request *http.Request) {
 	body, err := io.ReadAll(request.Body)
 	if err != nil {
-		trust.Log.Error().Err(err).Msg("image trust: couldn't read cosign key body")
+		trust.Log.Error().Err(err).Str("component", "image-trust").Msg("failed to read cosign key body")
 		response.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -95,7 +95,7 @@ func (trust *ImageTrust) HandleCosignPublicKeyUpload(response http.ResponseWrite
 		if errors.Is(err, zerr.ErrInvalidPublicKeyContent) {
 			response.WriteHeader(http.StatusBadRequest)
 		} else {
-			trust.Log.Error().Err(err).Msg("image trust: failed to save cosign key")
+			trust.Log.Error().Err(err).Str("component", "image-trust").Msg("failed to save cosign key")
 			response.WriteHeader(http.StatusInternalServerError)
 		}
 
@@ -127,7 +127,7 @@ func (trust *ImageTrust) HandleNotationCertificateUpload(response http.ResponseW
 
 	body, err := io.ReadAll(request.Body)
 	if err != nil {
-		trust.Log.Error().Err(err).Msg("image trust: couldn't read notation certificate body")
+		trust.Log.Error().Err(err).Str("component", "image-trust").Msg("failed to read notation certificate body")
 		response.WriteHeader(http.StatusInternalServerError)
 
 		return
@@ -139,7 +139,7 @@ func (trust *ImageTrust) HandleNotationCertificateUpload(response http.ResponseW
 			errors.Is(err, zerr.ErrInvalidCertificateContent) {
 			response.WriteHeader(http.StatusBadRequest)
 		} else {
-			trust.Log.Error().Err(err).Msg("image trust: failed to save notation certificate")
+			trust.Log.Error().Err(err).Str("component", "image-trust").Msg("failed to save notation certificate")
 			response.WriteHeader(http.StatusInternalServerError)
 		}
 

pkg/extensions/extension_metrics.go

@@ -18,10 +18,10 @@ func EnableMetricsExtension(config *config.Config, log log.Logger, rootDir strin
 		if config.Extensions.Metrics.Prometheus.Path == "" {
 			config.Extensions.Metrics.Prometheus.Path = "/metrics"
 
-			log.Warn().Msg("Prometheus instrumentation Path not set, changing to '/metrics'.")
+			log.Warn().Msg("prometheus instrumentation path not set, changing to '/metrics'.")
 		}
 	} else {
-		log.Info().Msg("Metrics config not provided, skipping Metrics config update")
+		log.Info().Msg("metrics config not provided, skipping metrics config update")
 	}
 }
 

pkg/extensions/extension_mgmt.go

@@ -125,7 +125,7 @@ func (mgmt *Mgmt) HandleGetConfig(w http.ResponseWriter, r *http.Request) {
 
 	buf, err := zcommon.MarshalThroughStruct(sanitizedConfig, &StrippedConfig{})
 	if err != nil {
-		mgmt.Log.Error().Err(err).Msg("mgmt: couldn't marshal config response")
+		mgmt.Log.Error().Err(err).Str("component", "mgmt").Msg("failed to marshal config response")
 		w.WriteHeader(http.StatusInternalServerError)
 	}
 

pkg/extensions/extension_scrub.go

@@ -25,7 +25,7 @@ func EnableScrubExtension(config *config.Config, log log.Logger, storeController
 		if config.Extensions.Scrub.Interval < minScrubInterval {
 			config.Extensions.Scrub.Interval = minScrubInterval
 
-			log.Warn().Msg("Scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.") //nolint:lll // gofumpt conflicts with lll
+			log.Warn().Msg("scrub interval set to too-short interval < 2h, changing scrub duration to 2 hours and continuing.") //nolint:lll // gofumpt conflicts with lll
 		}
 
 		generator := &taskGenerator{
@@ -44,7 +44,7 @@ func EnableScrubExtension(config *config.Config, log log.Logger, storeController
 			}
 		}
 	} else {
-		log.Info().Msg("Scrub config not provided, skipping scrub")
+		log.Info().Msg("scrub config not provided, skipping scrub")
 	}
 }
 

pkg/extensions/extension_search.go

@@ -52,14 +52,14 @@ func EnableSearchExtension(conf *config.Config, storeController storage.StoreCon
 		downloadTrivyDB(updateInterval, taskScheduler, cveScanner, log)
 		startScanner(scanInterval, metaDB, taskScheduler, cveScanner, log)
 	} else {
-		log.Info().Msg("CVE config not provided, skipping CVE update")
+		log.Info().Msg("cve config not provided, skipping cve-db update")
 	}
 }
 
 func downloadTrivyDB(interval time.Duration, sch *scheduler.Scheduler, cveScanner CveScanner, log log.Logger) {
 	generator := cveinfo.NewDBUpdateTaskGenerator(interval, cveScanner, log)
 
-	log.Info().Msg("Submitting CVE DB update scheduler")
+	log.Info().Msg("submitting cve-db update generator to scheduler")
 	sch.SubmitGenerator(generator, interval, scheduler.HighPriority)
 }
 
@@ -68,7 +68,7 @@ func startScanner(interval time.Duration, metaDB mTypes.MetaDB, sch *scheduler.S
 ) {
 	generator := cveinfo.NewScanTaskGenerator(metaDB, cveScanner, log)
 
-	log.Info().Msg("Submitting CVE scan scheduler")
+	log.Info().Msg("submitting cve-scan generator to scheduler")
 	sch.SubmitGenerator(generator, interval, scheduler.MediumPriority)
 }
 

pkg/extensions/extension_sync.go

@@ -33,7 +33,7 @@ func EnableSyncExtension(config *config.Config, metaDB mTypes.MetaDB,
 			}
 
 			if len(registryConfig.URLs) == 0 {
-				log.Error().Err(zerr.ErrSyncNoURLsLeft).Msg("unable to start sync extension")
+				log.Error().Err(zerr.ErrSyncNoURLsLeft).Msg("failed to start sync extension")
 
 				return nil, zerr.ErrSyncNoURLsLeft
 			}
@@ -68,7 +68,7 @@ func EnableSyncExtension(config *config.Config, metaDB mTypes.MetaDB,
 		return onDemand, nil
 	}
 
-	log.Info().Msg("Sync registries config not provided or disabled, skipping sync")
+	log.Info().Msg("sync config not provided or disabled, so not enabling sync")
 
 	return nil, nil //nolint: nilnil
 }

pkg/extensions/extension_ui.go

@@ -30,7 +30,7 @@ func (uih uiHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 	_, err := w.Write(buf)
 	if err != nil {
-		uih.log.Error().Err(err).Msg("unable to serve index.html")
+		uih.log.Error().Err(err).Msg("failed to serve index.html")
 	}
 }
 

pkg/extensions/extensions_test.go

@@ -65,7 +65,7 @@ func TestEnableExtension(t *testing.T) {
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
 		So(string(data), ShouldContainSubstring,
-			"Sync registries config not provided or disabled, skipping sync")
+			"sync config not provided or disabled, so not enabling sync")
 	})
 }
 
@@ -106,7 +106,7 @@ func TestMetricsExtension(t *testing.T) {
 		data, _ := os.ReadFile(logFile.Name())
 
 		So(string(data), ShouldContainSubstring,
-			"Prometheus instrumentation Path not set, changing to '/metrics'.")
+			"prometheus instrumentation path not set, changing to '/metrics'.")
 	})
 }
 

pkg/extensions/imagetrust/image_trust.go

@@ -168,7 +168,7 @@ func (imgTrustStore *ImageTrustStore) VerifySignature(
 	}
 
 	if manifestDigest.String() == "" {
-		return "", time.Time{}, false, zerr.ErrBadManifestDigest
+		return "", time.Time{}, false, zerr.ErrBadSignatureManifestDigest
 	}
 
 	switch signatureType {
@@ -264,7 +264,7 @@ func (validityT *validityTask) DoWork(ctx context.Context) error {
 		if len(sigs[zcommon.CosignSignature]) != 0 || len(sigs[zcommon.NotationSignature]) != 0 {
 			err := validityT.metaDB.UpdateSignaturesValidity(ctx, validityT.repo.Name, godigest.Digest(signedManifest))
 			if err != nil {
-				validityT.log.Info().Msg("error while verifying signatures")
+				validityT.log.Info().Msg("failed to verify signatures")
 
 				return err
 			}

pkg/extensions/imagetrust/image_trust_test.go

@@ -156,7 +156,7 @@ func TestVerifySignatures(t *testing.T) {
 		imgTrustStore := &imagetrust.ImageTrustStore{}
 		_, _, _, err := imgTrustStore.VerifySignature("", []byte(""), "", "", image.AsImageMeta(), "repo")
 		So(err, ShouldNotBeNil)
-		So(err, ShouldEqual, zerr.ErrBadManifestDigest)
+		So(err, ShouldEqual, zerr.ErrBadSignatureManifestDigest)
 	})
 
 	Convey("wrong signature type", t, func() {

pkg/extensions/lint/lint.go

@@ -43,7 +43,7 @@ func (linter *Linter) CheckMandatoryAnnotations(repo string, manifestDigest godi
 
 	content, err := imgStore.GetBlobContent(repo, manifestDigest)
 	if err != nil {
-		linter.log.Error().Err(err).Msg("linter: unable to get image manifest")
+		linter.log.Error().Err(err).Str("component", "linter").Msg("failed to get image manifest")
 
 		return false, err
 	}
@@ -51,7 +51,7 @@ func (linter *Linter) CheckMandatoryAnnotations(repo string, manifestDigest godi
 	var manifest ispec.Manifest
 
 	if err := json.Unmarshal(content, &manifest); err != nil {
-		linter.log.Error().Err(err).Msg("linter: couldn't unmarshal manifest JSON")
+		linter.log.Error().Err(err).Str("component", "linter").Msg("failed to unmarshal manifest JSON")
 
 		return false, err
 	}
@@ -78,7 +78,7 @@ func (linter *Linter) CheckMandatoryAnnotations(repo string, manifestDigest godi
 
 	content, err = imgStore.GetBlobContent(repo, configDigest)
 	if err != nil {
-		linter.log.Error().Err(err).Msg("linter: couldn't get config JSON " +
+		linter.log.Error().Err(err).Str("component", "linter").Msg("failed to get config JSON " +
 			configDigest.String())
 
 		return false, err
@@ -86,7 +86,7 @@ func (linter *Linter) CheckMandatoryAnnotations(repo string, manifestDigest godi
 
 	var imageConfig ispec.Image
 	if err := json.Unmarshal(content, &imageConfig); err != nil {
-		linter.log.Error().Err(err).Msg("linter: couldn't unmarshal config JSON " + configDigest.String())
+		linter.log.Error().Err(err).Str("component", "linter").Msg("failed to unmarshal config JSON " + configDigest.String())
 
 		return false, err
 	}

pkg/extensions/monitoring/extension.go

@@ -157,7 +157,8 @@ func (ms *metricServer) SendMetric(mfunc interface{}) {
 	if ms.enabled {
 		mfn, ok := mfunc.(func())
 		if !ok {
-			ms.log.Error().Err(errors.ErrInvalidMetric).Msg("type conversion")
+			ms.log.Error().Err(errors.ErrInvalidMetric).
+				Msgf("failed to cast type, expected '%T' but got '%T'", func() {}, mfunc)
 
 			return
 		}
@@ -169,7 +170,8 @@ func (ms *metricServer) SendMetric(mfunc interface{}) {
 func (ms *metricServer) ForceSendMetric(mfunc interface{}) {
 	mfn, ok := mfunc.(func())
 	if !ok {
-		ms.log.Error().Err(errors.ErrInvalidMetric).Msg("type conversion")
+		ms.log.Error().Err(errors.ErrInvalidMetric).
+			Msgf("failed to cast type, expected '%T' but got '%T'", func() {}, mfunc)
 
 		return
 	}

pkg/extensions/monitoring/minimal.go

@@ -354,7 +354,7 @@ func (ms *metricServer) CounterInc(cv *CounterValue) {
 	if err != nil {
 		// The last thing we want is to panic/stop the server due to instrumentation
 		// thus log a message (should be detected during development of new metrics)
-		ms.log.Error().Err(err).Msg("Instrumentation error")
+		ms.log.Error().Err(err).Msg("failed due to instrumentation error")
 
 		return
 	}
@@ -374,7 +374,7 @@ func (ms *metricServer) GaugeSet(gv *GaugeValue) {
 
 	err := sanityChecks(gv.Name, labels, ok, gv.LabelNames, gv.LabelValues)
 	if err != nil {
-		ms.log.Error().Err(err).Msg("Instrumentation error")
+		ms.log.Error().Err(err).Msg("failed due to instrumentation error")
 
 		return
 	}
@@ -393,7 +393,7 @@ func (ms *metricServer) SummaryObserve(sv *SummaryValue) {
 
 	err := sanityChecks(sv.Name, labels, ok, sv.LabelNames, sv.LabelValues)
 	if err != nil {
-		ms.log.Error().Err(err).Msg("Instrumentation error")
+		ms.log.Error().Err(err).Msg("failed due to instrumentation error")
 
 		return
 	}
@@ -414,7 +414,7 @@ func (ms *metricServer) HistogramObserve(hv *HistogramValue) {
 
 	err := sanityChecks(hv.Name, labels, ok, hv.LabelNames, hv.LabelValues)
 	if err != nil {
-		ms.log.Error().Err(err).Msg("Instrumentation error")
+		ms.log.Error().Err(err).Msg("failed due to instrumentation error")
 
 		return
 	}

pkg/extensions/monitoring/minimal_client.go

@@ -70,12 +70,12 @@ func (mc *MetricsClient) GetMetrics() (*MetricsInfo, error) {
 func (mc *MetricsClient) makeGETRequest(url string, resultsPtr interface{}) (http.Header, error) {
 	req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, url, nil)
 	if err != nil {
-		return nil, fmt.Errorf("metric scraping: %w", err)
+		return nil, fmt.Errorf("metric scraping failed: %w", err)
 	}
 
 	resp, err := mc.config.HTTPClient.Do(req)
 	if err != nil {
-		return nil, fmt.Errorf("metric scraping error: %w", err)
+		return nil, fmt.Errorf("metric scraping failed: %w", err)
 	}
 
 	defer resp.Body.Close()

pkg/extensions/monitoring/monitoring_test.go

@@ -477,11 +477,11 @@ func TestPopulateStorageMetrics(t *testing.T) {
 
 		// Wait for storage metrics to update
 		found, err := test.ReadLogFileAndSearchString(logPath,
-			"monitoring: computed storage usage for repo alpine", time.Minute)
+			"computed storage usage for repo alpine", time.Minute)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 		found, err = test.ReadLogFileAndSearchString(logPath,
-			"monitoring: computed storage usage for repo busybox", time.Minute)
+			"computed storage usage for repo busybox", time.Minute)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 

pkg/extensions/scrub/scrub.go

@@ -20,7 +20,7 @@ func RunScrubRepo(ctx context.Context, imgStore storageTypes.ImageStore, repo st
 
 	results, err := storage.CheckRepo(ctx, repo, imgStore)
 	if err != nil {
-		errMessage := fmt.Sprintf("error while running scrub for %s", path.Join(imgStore.RootDir(), repo))
+		errMessage := fmt.Sprintf("failed to run scrub for %s", path.Join(imgStore.RootDir(), repo))
 		log.Error().Err(err).Msg(errMessage)
 		log.Info().Msg(fmt.Sprintf("scrub unsuccessfully completed for %s", path.Join(imgStore.RootDir(), repo)))
 
@@ -33,7 +33,8 @@ func RunScrubRepo(ctx context.Context, imgStore storageTypes.ImageStore, repo st
 				Str("image", result.ImageName).
 				Str("tag", result.Tag).
 				Str("status", result.Status).
-				Msg("scrub: blobs/manifest ok")
+				Str("component", "scrub").
+				Msg("blobs/manifest ok")
 		} else {
 			log.Warn().
 				Str("image", result.ImageName).
@@ -41,7 +42,8 @@ func RunScrubRepo(ctx context.Context, imgStore storageTypes.ImageStore, repo st
 				Str("status", result.Status).
 				Str("affected blob", result.AffectedBlob).
 				Str("error", result.Error).
-				Msg("scrub: blobs/manifest affected")
+				Str("component", "scrub").
+				Msg("blobs/manifest affected")
 		}
 	}
 

pkg/extensions/scrub/scrub_test.go

@@ -76,7 +76,7 @@ func TestScrubExtension(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "scrub: blobs/manifest ok")
+		So(string(data), ShouldContainSubstring, "blobs/manifest ok")
 	})
 
 	Convey("Blobs integrity affected", t, func(c C) {
@@ -128,7 +128,7 @@ func TestScrubExtension(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "scrub: blobs/manifest affected")
+		So(string(data), ShouldContainSubstring, "blobs/manifest affected")
 	})
 
 	Convey("Generator error - not enough permissions to access root directory", t, func(c C) {
@@ -176,7 +176,7 @@ func TestScrubExtension(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "error while executing generator")
+		So(string(data), ShouldContainSubstring, "failed to execute generator")
 
 		So(os.Chmod(path.Join(dir, repoName), 0o755), ShouldBeNil)
 	})
@@ -215,7 +215,7 @@ func TestRunScrubRepo(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "scrub: blobs/manifest ok")
+		So(string(data), ShouldContainSubstring, "blobs/manifest ok")
 	})
 
 	Convey("Blobs integrity affected", t, func(c C) {
@@ -258,7 +258,7 @@ func TestRunScrubRepo(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "scrub: blobs/manifest affected")
+		So(string(data), ShouldContainSubstring, "blobs/manifest affected")
 	})
 
 	Convey("CheckRepo error - not enough permissions to access root directory", t, func(c C) {
@@ -295,7 +295,7 @@ func TestRunScrubRepo(t *testing.T) {
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
 		So(string(data), ShouldContainSubstring,
-			fmt.Sprintf("error while running scrub for %s", imgStore.RootDir()))
+			fmt.Sprintf("failed to run scrub for %s", imgStore.RootDir()))
 		So(os.Chmod(path.Join(dir, repoName), 0o755), ShouldBeNil)
 	})
 }

pkg/extensions/search/convert/metadb.go

@@ -141,8 +141,8 @@ func RepoMeta2ExpandedRepoInfo(ctx context.Context, repoMeta mTypes.RepoMeta,
 
 		imageSummary, _, err := FullImageMeta2ImageSummary(ctx, GetFullImageMeta(tag, repoMeta, imageMeta))
 		if err != nil {
-			log.Error().Str("repository", repoName).Str("reference", tag).
+			log.Error().Str("repository", repoName).Str("reference", tag).Str("component", "metadb").
-				Msg("metadb: error while converting descriptor for image")
+				Msg("error while converting descriptor for image")
 
 			continue
 		}

pkg/extensions/search/cve/cve.go

@@ -62,7 +62,7 @@ func (cveinfo BaseCveInfo) GetImageListForCVE(ctx context.Context, repo, cveID s
 	repoMeta, err := cveinfo.MetaDB.GetRepoMeta(ctx, repo)
 	if err != nil {
 		cveinfo.Log.Error().Err(err).Str("repository", repo).Str("cve-id", cveID).
-			Msg("unable to get list of tags from repo")
+			Msg("failed to get list of tags from repo")
 
 		return imgList, err
 	}
@@ -115,7 +115,7 @@ func (cveinfo BaseCveInfo) GetImageListWithCVEFixed(ctx context.Context, repo, c
 	repoMeta, err := cveinfo.MetaDB.GetRepoMeta(ctx, repo)
 	if err != nil {
 		cveinfo.Log.Error().Err(err).Str("repository", repo).Str("cve-id", cveID).
-			Msg("unable to get list of tags from repo")
+			Msg("failed to get list of tags from repo")
 
 		return []cvemodel.TagInfo{}, err
 	}
@@ -135,7 +135,7 @@ func (cveinfo BaseCveInfo) GetImageListWithCVEFixed(ctx context.Context, repo, c
 			tagInfo, err := getTagInfoForManifest(tag, manifestDigestStr, cveinfo.MetaDB)
 			if err != nil {
 				cveinfo.Log.Error().Err(err).Str("repository", repo).Str("tag", tag).
-					Str("cve-id", cveID).Msg("unable to retrieve manifest and config")
+					Str("cve-id", cveID).Msg("failed to retrieve manifest and config")
 
 				continue
 			}
@@ -160,7 +160,7 @@ func (cveinfo BaseCveInfo) GetImageListWithCVEFixed(ctx context.Context, repo, c
 				tagInfo, err := getTagInfoForManifest(tag, manifest.Digest.String(), cveinfo.MetaDB)
 				if err != nil {
 					cveinfo.Log.Error().Err(err).Str("repository", repo).Str("tag", tag).
-						Str("cve-id", cveID).Msg("unable to retrieve manifest and config")
+						Str("cve-id", cveID).Msg("failed to retrieve manifest and config")
 
 					continue
 				}
@@ -210,10 +210,10 @@ func (cveinfo BaseCveInfo) GetImageListWithCVEFixed(ctx context.Context, repo, c
 
 	if len(vulnerableTags) != 0 {
 		cveinfo.Log.Info().Str("repository", repo).Str("cve-id", cveID).
-			Interface("vulnerableTags", vulnerableTags).Msg("Vulnerable tags")
+			Interface("tags", vulnerableTags).Msg("vulnerable tags")
 		fixedTags = GetFixedTags(allTags, vulnerableTags)
 		cveinfo.Log.Info().Str("repository", repo).Str("cve-id", cveID).
-			Interface("fixedTags", fixedTags).Msg("Fixed tags")
+			Interface("tags", fixedTags).Msg("fixed tags")
 	} else {
 		cveinfo.Log.Info().Str("repository", repo).Str("cve-id", cveID).
 			Msg("image does not contain any tag that have given cve")

pkg/extensions/search/cve/cve_test.go

@@ -462,23 +462,23 @@ func TestCVESearchDisabled(t *testing.T) {
 		ctrlManager.StartAndWait(port)
 
 		// Wait for trivy db to download
-		found, err := test.ReadLogFileAndSearchString(logPath, "CVE config not provided, skipping CVE update", 90*time.Second)
+		found, err := test.ReadLogFileAndSearchString(logPath, "cve config not provided, skipping cve-db update", 90*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
 		defer ctrlManager.StopServer()
 
 		resp, _ := resty.R().SetBasicAuth(username, password).Get(baseURL + constants.FullSearchPrefix + "?query={CVEListForImage(image:\"zot-test\"){Tag%20CVEList{Id%20Description%20Severity%20PackageList{Name%20InstalledVersion%20FixedVersion}}}}")
-		So(string(resp.Body()), ShouldContainSubstring, "search: CVE search is disabled")
+		So(string(resp.Body()), ShouldContainSubstring, "cve search is disabled")
 		So(resp.StatusCode(), ShouldEqual, 200)
 
 		resp, _ = resty.R().SetBasicAuth(username, password).Get(baseURL + constants.FullSearchPrefix + "?query={ImageListForCVE(id:\"CVE-201-20482\"){Results{RepoName%20Tag}}}")
-		So(string(resp.Body()), ShouldContainSubstring, "search: CVE search is disabled")
+		So(string(resp.Body()), ShouldContainSubstring, "cve search is disabled")
 		So(resp.StatusCode(), ShouldEqual, 200)
 
 		resp, _ = resty.R().SetBasicAuth(username, password).Get(baseURL + constants.FullSearchPrefix + "?query={ImageListWithCVEFixed(id:\"" + "randomId" + "\",image:\"zot-test\"){Results{RepoName%20LastUpdated}}}")
 		So(resp, ShouldNotBeNil)
-		So(string(resp.Body()), ShouldContainSubstring, "search: CVE search is disabled")
+		So(string(resp.Body()), ShouldContainSubstring, "cve search is disabled")
 		So(resp.StatusCode(), ShouldEqual, 200)
 	})
 }
@@ -542,7 +542,7 @@ func TestCVESearch(t *testing.T) {
 		// trivy db download fail
 		err = os.Mkdir(dbDir+"/_trivy", 0o000)
 		So(err, ShouldBeNil)
-		found, err := test.ReadLogFileAndSearchString(logPath, "Error downloading Trivy DB to destination dir", 180*time.Second)
+		found, err := test.ReadLogFileAndSearchString(logPath, "failed to download trivy-db to destination dir", 180*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
@@ -550,7 +550,7 @@ func TestCVESearch(t *testing.T) {
 		So(err, ShouldBeNil)
 
 		// Wait for trivy db to download
-		found, err = test.ReadLogFileAndSearchString(logPath, "DB update completed, next update scheduled", 180*time.Second)
+		found, err = test.ReadLogFileAndSearchString(logPath, "cve-db update completed, next update scheduled after interval", 180*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
@@ -1541,7 +1541,7 @@ func TestFixedTagsWithIndex(t *testing.T) {
 		So(err, ShouldBeNil)
 
 		// Wait for trivy db to download
-		found, err := test.ReadLogFileAndSearchString(logPath, "DB update completed, next update scheduled", 180*time.Second)
+		found, err := test.ReadLogFileAndSearchString(logPath, "cve-db update completed, next update scheduled after interval", 180*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 

pkg/extensions/search/cve/scan.go

@@ -14,10 +14,12 @@ import (
 func NewScanTaskGenerator(
 	metaDB mTypes.MetaDB,
 	scanner Scanner,
-	log log.Logger,
+	logC log.Logger,
 ) scheduler.TaskGenerator {
+	sublogger := logC.With().Str("component", "cve").Logger()
+
 	return &scanTaskGenerator{
-		log:        log,
+		log:        log.Logger{Logger: sublogger},
 		metaDB:     metaDB,
 		scanner:    scanner,
 		lock:       &sync.Mutex{},
@@ -126,13 +128,13 @@ func (gen *scanTaskGenerator) Next() (scheduler.Task, error) {
 	if err != nil {
 		// Do not crash the generator for potential metadb inconsistencies
 		// as there may be scannable images not yet scanned
-		gen.log.Warn().Err(err).Msg("Scheduled CVE scan: error while obtaining repo metadata")
+		gen.log.Warn().Err(err).Msg("failed to obtain repo metadata during scheduled cve scan")
 	}
 
 	// no imageMeta are returned, all results are in already in cache
 	// or manifests cannot be scanned
 	if len(imageMeta) == 0 {
-		gen.log.Info().Msg("Scheduled CVE scan: finished for available images")
+		gen.log.Info().Msg("finished scanning available images during scheduled cve scan")
 
 		gen.done = true
 
@@ -185,13 +187,13 @@ func (st *scanTask) DoWork(ctx context.Context) error {
 	// We cache the results internally in the scanner
 	// so we can discard the actual results for now
 	if _, err := st.generator.scanner.ScanImage(ctx, image); err != nil {
-		st.generator.log.Error().Err(err).Str("image", image).Msg("Scheduled CVE scan errored for image")
+		st.generator.log.Error().Err(err).Str("image", image).Msg("failed to perform scheduled cve scan for image")
 		st.generator.addError(st.digest, err)
 
 		return err
 	}
 
-	st.generator.log.Debug().Str("image", image).Msg("Scheduled CVE scan completed successfully for image")
+	st.generator.log.Debug().Str("image", image).Msg("scheduled cve scan completed successfully for image")
 
 	return nil
 }

pkg/extensions/search/cve/scan_test.go

@@ -440,7 +440,7 @@ func TestScanGeneratorWithMockedData(t *testing.T) { //nolint: gocyclo
 
 		// Make sure the scanner generator has completed despite errors
 		found, err := test.ReadLogFileAndSearchString(logPath,
-			"Scheduled CVE scan: finished for available images", 40*time.Second)
+			"finished scanning available images during scheduled cve scan", 40*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
@@ -462,19 +462,19 @@ func TestScanGeneratorWithMockedData(t *testing.T) { //nolint: gocyclo
 		}
 
 		found, err = test.ReadLogFileAndSearchString(logPath,
-			"Scheduled CVE scan: error while obtaining repo metadata", 20*time.Second)
+			"failed to obtain repo metadata during scheduled cve scan", 20*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
 		// Make sure the scanner generator is catching the scanning error for repo7
 		found, err = test.ReadLogFileAndSearchString(logPath,
-			"Scheduled CVE scan errored for image", 20*time.Second)
+			"failed to perform scheduled cve scan for image", 20*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
 		// Make sure the scanner generator is triggered at least twice
 		found, err = test.ReadLogFileAndCountStringOccurence(logPath,
-			"Scheduled CVE scan: finished for available images", 30*time.Second, 2)
+			"finished scanning available images during scheduled cve scan", 30*time.Second, 2)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 	})
@@ -537,7 +537,7 @@ func TestScanGeneratorWithRealData(t *testing.T) {
 
 		// Make sure the scanner generator has completed
 		found, err := test.ReadLogFileAndSearchString(logPath,
-			"Scheduled CVE scan: finished for available images", 120*time.Second)
+			"finished scanning available images during scheduled cve scan", 120*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 
@@ -547,7 +547,7 @@ func TestScanGeneratorWithRealData(t *testing.T) {
 		So(found, ShouldBeTrue)
 
 		found, err = test.ReadLogFileAndSearchString(logPath,
-			"Scheduled CVE scan completed successfully for image", 120*time.Second)
+			"scheduled cve scan completed successfully for image", 120*time.Second)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 

pkg/extensions/search/cve/trivy/scanner.go

@@ -356,7 +356,7 @@ func (scanner Scanner) ScanImage(ctx context.Context, image string) (map[string]
 	}
 
 	if err != nil {
-		scanner.log.Error().Err(err).Str("image", originalImageInput).Msg("unable to scan image")
+		scanner.log.Error().Err(err).Str("image", originalImageInput).Msg("failed to scan image")
 
 		return map[string]cvemodel.CVE{}, err
 	}
@@ -537,16 +537,16 @@ func (scanner Scanner) UpdateDB(ctx context.Context) error {
 }
 
 func (scanner Scanner) updateDB(ctx context.Context, dbDir string) error {
-	scanner.log.Debug().Str("dbDir", dbDir).Msg("Download Trivy DB to destination dir")
+	scanner.log.Debug().Str("dbDir", dbDir).Msg("download Trivy DB to destination dir")
 
 	registryOpts := fanalTypes.RegistryOptions{Insecure: false}
 
-	scanner.log.Debug().Str("dbDir", dbDir).Msg("Started downloading Trivy DB to destination dir")
+	scanner.log.Debug().Str("dbDir", dbDir).Msg("started downloading trivy-db to destination dir")
 
 	err := operation.DownloadDB(ctx, "dev", dbDir, scanner.dbRepository, false, false, registryOpts)
 	if err != nil {
 		scanner.log.Error().Err(err).Str("dbDir", dbDir).
-			Str("dbRepository", scanner.dbRepository).Msg("Error downloading Trivy DB to destination dir")
+			Str("dbRepository", scanner.dbRepository).Msg("failed to download trivy-db to destination dir")
 
 		return err
 	}
@@ -556,13 +556,13 @@ func (scanner Scanner) updateDB(ctx context.Context, dbDir string) error {
 
 		if err := javadb.Update(); err != nil {
 			scanner.log.Error().Err(err).Str("dbDir", dbDir).
-				Str("javaDBRepository", scanner.javaDBRepository).Msg("Error downloading Trivy Java DB to destination dir")
+				Str("javaDBRepository", scanner.javaDBRepository).Msg("failed to download trivy-java-db to destination dir")
 
 			return err
 		}
 	}
 
-	scanner.log.Debug().Str("dbDir", dbDir).Msg("Finished downloading Trivy DB to destination dir")
+	scanner.log.Debug().Str("dbDir", dbDir).Msg("finished downloading trivy-db to destination dir")
 
 	return nil
 }

pkg/extensions/search/cve/update.go

@@ -93,7 +93,7 @@ func newDBUpdadeTask(interval time.Duration, scanner Scanner,
 }
 
 func (dbt *dbUpdateTask) DoWork(ctx context.Context) error {
-	dbt.log.Info().Msg("updating the CVE database")
+	dbt.log.Info().Msg("updating cve-db")
 
 	err := dbt.scanner.UpdateDB(ctx)
 	if err != nil {
@@ -115,7 +115,8 @@ func (dbt *dbUpdateTask) DoWork(ctx context.Context) error {
 	dbt.generator.lastTaskTime = time.Now()
 	dbt.generator.status = done
 	dbt.generator.lock.Unlock()
-	dbt.log.Info().Str("DB update completed, next update scheduled after", dbt.interval.String()).Msg("")
+
+	dbt.log.Info().Interface("interval", dbt.interval).Msg("cve-db update completed, next update scheduled after interval")
 
 	return nil
 }

pkg/extensions/search/cve/update_test.go

@@ -71,7 +71,7 @@ func TestCVEDBGenerator(t *testing.T) {
 
 		// Wait for trivy db to download
 		found, err := test.ReadLogFileAndCountStringOccurence(logPath,
-			"DB update completed, next update scheduled", 140*time.Second, 2)
+			"cve-db update completed, next update scheduled after interval", 140*time.Second, 2)
 		So(err, ShouldBeNil)
 		So(found, ShouldBeTrue)
 	})

pkg/extensions/search/resolver.go

@@ -339,12 +339,12 @@ func getImageListForCVE(
 	for _, repoMeta := range reposMeta {
 		repo := repoMeta.Name
 
-		log.Info().Str("repository", repo).Str("CVE", cveID).Msg("extracting list of tags affected by CVE")
+		log.Info().Str("repository", repo).Str("CVE", cveID).Msg("extracting list of tags affected by this cve")
 
 		tagsInfo, err := cveInfo.GetImageListForCVE(ctx, repo, cveID)
 		if err != nil {
 			log.Error().Str("repository", repo).Str("CVE", cveID).Err(err).
-				Msg("error getting image list for CVE from repo")
+				Msg("failed to get image list for this cve from repository")
 
 			return &gql_generated.PaginatedImagesResult{}, err
 		}
@@ -412,12 +412,12 @@ func getImageListWithCVEFixed(
 ) (*gql_generated.PaginatedImagesResult, error) {
 	imageList := make([]*gql_generated.ImageSummary, 0)
 
-	log.Info().Str("repository", repo).Str("CVE", cveID).Msg("extracting list of tags where CVE is fixed")
+	log.Info().Str("repository", repo).Str("CVE", cveID).Msg("extracting list of tags where this cve is fixed")
 
 	tagsInfo, err := cveInfo.GetImageListWithCVEFixed(ctx, repo, cveID)
 	if err != nil {
 		log.Error().Str("repository", repo).Str("CVE", cveID).Err(err).
-			Msg("error getting image list with CVE fixed from repo")
+			Msg("failed to get image list with this cve fixed from repository")
 
 		return &gql_generated.PaginatedImagesResult{
 			Page:    &gql_generated.PageInfo{},
@@ -790,7 +790,7 @@ func derivedImageList(ctx context.Context, image string, digest *string, metaDB
 	searchedImage, err := getImageSummary(ctx, imageRepo, imageTag, digest, skipReferenceImage, metaDB, cveInfo, log)
 	if err != nil {
 		if errors.Is(err, zerr.ErrRepoMetaNotFound) {
-			return &gql_generated.PaginatedImagesResult{}, gqlerror.Errorf("repository: not found")
+			return &gql_generated.PaginatedImagesResult{}, gqlerror.Errorf("repository not found")
 		}
 
 		return &gql_generated.PaginatedImagesResult{}, err
@@ -891,7 +891,7 @@ func baseImageList(ctx context.Context, image string, digest *string, metaDB mTy
 	searchedImage, err := getImageSummary(ctx, imageRepo, imageTag, digest, skipReferenceImage, metaDB, cveInfo, log)
 	if err != nil {
 		if errors.Is(err, zerr.ErrRepoMetaNotFound) {
-			return &gql_generated.PaginatedImagesResult{}, gqlerror.Errorf("repository: not found")
+			return &gql_generated.PaginatedImagesResult{}, gqlerror.Errorf("repository not found")
 		}
 
 		return &gql_generated.PaginatedImagesResult{}, err
@@ -963,7 +963,7 @@ func validateGlobalSearchInput(query string, filter *gql_generated.Filter,
 	requestedPage *gql_generated.PageInput,
 ) error {
 	if len(query) > querySizeLimit {
-		return fmt.Errorf("global-search: max string size limit exceeded for query parameter. max=%d current=%d %w",
+		return fmt.Errorf("max string size limit exceeded for query parameter. max=%d current=%d %w",
 			querySizeLimit, len(query), zerr.ErrInvalidRequestParams)
 	}
 
@@ -987,14 +987,14 @@ func checkFilter(filter *gql_generated.Filter) error {
 
 	for _, arch := range filter.Arch {
 		if len(*arch) > querySizeLimit {
-			return fmt.Errorf("global-search: max string size limit exceeded for arch parameter. max=%d current=%d %w",
+			return fmt.Errorf("max string size limit exceeded for arch parameter. max=%d current=%d %w",
 				querySizeLimit, len(*arch), zerr.ErrInvalidRequestParams)
 		}
 	}
 
 	for _, osSys := range filter.Os {
 		if len(*osSys) > querySizeLimit {
-			return fmt.Errorf("global-search: max string size limit exceeded for os parameter. max=%d current=%d %w",
+			return fmt.Errorf("max string size limit exceeded for os parameter. max=%d current=%d %w",
 				querySizeLimit, len(*osSys), zerr.ErrInvalidRequestParams)
 		}
 	}
@@ -1008,12 +1008,12 @@ func checkRequestedPage(requestedPage *gql_generated.PageInput) error {
 	}
 
 	if requestedPage.Limit != nil && *requestedPage.Limit < 0 {
-		return fmt.Errorf("global-search: requested page limit parameter can't be negative %w",
+		return fmt.Errorf("requested page limit parameter can't be negative %w",
 			zerr.ErrInvalidRequestParams)
 	}
 
 	if requestedPage.Offset != nil && *requestedPage.Offset < 0 {
-		return fmt.Errorf("global-search: requested page offset parameter can't be negative %w",
+		return fmt.Errorf("requested page offset parameter can't be negative %w",
 			zerr.ErrInvalidRequestParams)
 	}
 
@@ -1081,14 +1081,16 @@ func deleteElementAt(slice []*string, i int) []*string {
 func expandedRepoInfo(ctx context.Context, repo string, metaDB mTypes.MetaDB, cveInfo cveinfo.CveInfo, log log.Logger,
 ) (*gql_generated.RepoInfo, error) {
 	if ok, err := reqCtx.RepoIsUserAvailable(ctx, repo); !ok || err != nil {
-		log.Info().Err(err).Str("repository", repo).Bool("availability", ok).Msg("resolver: repo user availability")
+		log.Info().Err(err).Str("repository", repo).Bool("availability", ok).Str("component", "graphql").
+			Msg("repo user availability")
 
 		return &gql_generated.RepoInfo{}, nil //nolint:nilerr // don't give details to a potential attacker
 	}
 
 	repoMeta, err := metaDB.GetRepoMeta(ctx, repo)
 	if err != nil {
-		log.Error().Err(err).Str("repository", repo).Msg("resolver: can't retrieve repoMeta for repo")
+		log.Error().Err(err).Str("repository", repo).Str("component", "graphql").
+			Msg("can't retrieve repoMeta for repository")
 
 		return &gql_generated.RepoInfo{}, err
 	}
@@ -1105,7 +1107,8 @@ func expandedRepoInfo(ctx context.Context, repo string, metaDB mTypes.MetaDB, cv
 
 	imageMetaMap, err := metaDB.FilterImageMeta(ctx, tagsDigests)
 	if err != nil {
-		log.Error().Err(err).Str("repository", repo).Msg("resolver: can't retrieve imageMeta for repo")
+		log.Error().Err(err).Str("repository", repo).Str("component", "graphql").
+			Msg("can't retrieve imageMeta for repo")
 
 		return &gql_generated.RepoInfo{}, err
 	}
@@ -1202,9 +1205,10 @@ func getReferrers(metaDB mTypes.MetaDB, repo string, referredDigest string, arti
 ) ([]*gql_generated.Referrer, error) {
 	refDigest := godigest.Digest(referredDigest)
 	if err := refDigest.Validate(); err != nil {
-		log.Error().Err(err).Str("digest", referredDigest).Msg("graphql: bad referenced digest string from request")
+		log.Error().Err(err).Str("digest", referredDigest).Str("component", "graphql").
+			Msg("bad referenced digest string from request")
 
-		return []*gql_generated.Referrer{}, fmt.Errorf("graphql: bad digest string from request '%s' %w",
+		return []*gql_generated.Referrer{}, fmt.Errorf("bad digest string from request '%s' %w",
 			referredDigest, err)
 	}
 

pkg/extensions/search/schema.resolvers.go

@@ -56,11 +56,11 @@ func (r *queryResolver) ImageListForDigest(ctx context.Context, id string, reque
 
 // RepoListWithNewestImage is the resolver for the RepoListWithNewestImage field.
 func (r *queryResolver) RepoListWithNewestImage(ctx context.Context, requestedPage *gql_generated.PageInput) (*gql_generated.PaginatedReposResult, error) {
-	r.log.Info().Msg("extension api: finding image list")
+	r.log.Info().Str("component", "graphql").Msg("finding image list")
 
 	paginatedReposResult, err := repoListWithNewestImage(ctx, r.cveInfo, r.log, requestedPage, r.metaDB)
 	if err != nil {
-		r.log.Error().Err(err).Msg("unable to retrieve repo list")
+		r.log.Error().Err(err).Msg("failed to retrieve repo list")
 
 		return paginatedReposResult, err
 	}
@@ -70,11 +70,11 @@ func (r *queryResolver) RepoListWithNewestImage(ctx context.Context, requestedPa
 
 // ImageList is the resolver for the ImageList field.
 func (r *queryResolver) ImageList(ctx context.Context, repo string, requestedPage *gql_generated.PageInput) (*gql_generated.PaginatedImagesResult, error) {
-	r.log.Info().Msg("extension api: getting a list of all images")
+	r.log.Info().Str("component", "graphql").Msg("getting a list of all images")
 
 	imageList, err := getImageList(ctx, repo, r.metaDB, r.cveInfo, requestedPage, r.log)
 	if err != nil {
-		r.log.Error().Err(err).Str("repository", repo).Msg("unable to retrieve image list for repo")
+		r.log.Error().Err(err).Str("repository", repo).Msg("failed to retrieve image list for repo")
 
 		return imageList, err
 	}
@@ -141,7 +141,7 @@ func (r *queryResolver) Image(ctx context.Context, image string) (*gql_generated
 func (r *queryResolver) Referrers(ctx context.Context, repo string, digest string, typeArg []string) ([]*gql_generated.Referrer, error) {
 	referrers, err := getReferrers(r.metaDB, repo, digest, typeArg, r.log)
 	if err != nil {
-		r.log.Error().Err(err).Msg("unable to get referrers from default store")
+		r.log.Error().Err(err).Msg("failed to get referrers from default store")
 
 		return []*gql_generated.Referrer{}, err
 	}

pkg/extensions/search/search_test.go

@@ -703,11 +703,12 @@ func TestRepoListWithNewestImage(t *testing.T) {
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
-		found, err = readFileAndSearchString(logPath, "updating the CVE database", 2*time.Minute)
+		found, err = readFileAndSearchString(logPath, "updating cve-db", 2*time.Minute)
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
-		found, err = readFileAndSearchString(logPath, "DB update completed, next update scheduled", 4*time.Minute)
+		found, err = readFileAndSearchString(logPath,
+			"cve-db update completed, next update scheduled after interval", 4*time.Minute)
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
@@ -2096,7 +2097,7 @@ func TestDerivedImageList(t *testing.T) {
 			}`
 
 		resp, err := resty.R().Get(baseURL + graphqlQueryPrefix + "?query=" + url.QueryEscape(query))
-		So(strings.Contains(string(resp.Body()), "repository: not found"), ShouldBeTrue)
+		So(string(resp.Body()), ShouldContainSubstring, "repository not found")
 		So(err, ShouldBeNil)
 	})
 
@@ -2179,7 +2180,7 @@ func TestDerivedImageListNoRepos(t *testing.T) {
 		So(err, ShouldBeNil)
 		So(resp.StatusCode(), ShouldEqual, 200)
 
-		So(strings.Contains(string(resp.Body()), "repository: not found"), ShouldBeTrue)
+		So(string(resp.Body()), ShouldContainSubstring, "repository not found")
 		So(err, ShouldBeNil)
 	})
 }
@@ -2742,7 +2743,7 @@ func TestBaseImageList(t *testing.T) {
 			}`
 
 		resp, err := resty.R().Get(baseURL + graphqlQueryPrefix + "?query=" + url.QueryEscape(query))
-		So(strings.Contains(string(resp.Body()), "repository: not found"), ShouldBeTrue)
+		So(string(resp.Body()), ShouldContainSubstring, "repository not found")
 		So(err, ShouldBeNil)
 	})
 
@@ -3395,11 +3396,12 @@ func TestGlobalSearch(t *testing.T) {
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
-		found, err = readFileAndSearchString(logPath, "updating the CVE database", 2*time.Minute)
+		found, err = readFileAndSearchString(logPath, "updating cve-db", 2*time.Minute)
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
-		found, err = readFileAndSearchString(logPath, "DB update completed, next update scheduled", 4*time.Minute)
+		found, err = readFileAndSearchString(logPath, "cve-db update completed, next update scheduled after interval",
+			4*time.Minute)
 		So(found, ShouldBeTrue)
 		So(err, ShouldBeNil)
 
@@ -6118,7 +6120,7 @@ func TestImageSummary(t *testing.T) {
 
 		So(len(imgSummaryResponse.Errors), ShouldEqual, 1)
 		So(imgSummaryResponse.Errors[0].Message,
-			ShouldContainSubstring, "metadb: repo metadata not found for given repo name")
+			ShouldContainSubstring, "repo metadata not found for given repo name")
 
 		t.Log("starting Test retrieve image with bad tag")
 		// gql is parametrized with the repo.

pkg/extensions/sync/content.go

@@ -113,7 +113,7 @@ func (cm ContentManager) getContentByUpstreamRepo(repo string) *syncconf.Content
 		if err != nil {
 			cm.log.Error().Str("errorType", common.TypeOf(err)).
 				Err(err).Str("pattern",
-				prefix).Msg("error while parsing glob pattern, skipping it...")
+				prefix).Msg("failed to parse glob pattern, skipping it")
 
 			continue
 		}
@@ -226,7 +226,7 @@ func filterTagsByRegex(tags []string, regex string, log log.Logger) ([]string, e
 
 	tagReg, err := regexp.Compile(regex)
 	if err != nil {
-		log.Error().Err(err).Str("regex", regex).Msg("couldn't compile regex")
+		log.Error().Err(err).Str("regex", regex).Msg("failed to compile regex")
 
 		return filteredTags, err
 	}

pkg/extensions/sync/destination.go

@@ -173,10 +173,11 @@ func (registry *DestinationRegistry) CommitImage(imageReference types.ImageRefer
 			err = meta.SetImageMetaFromInput(context.Background(), repo, reference, mediaType,
 				manifestDigest, manifestBlob, imageStore, registry.metaDB, registry.log)
 			if err != nil {
-				return fmt.Errorf("metaDB: failed to set metadata for image '%s %s': %w", repo, reference, err)
+				return fmt.Errorf("failed to set metadata for image '%s %s': %w", repo, reference, err)
 			}
 
-			registry.log.Debug().Str("repo", repo).Str("reference", reference).Msg("metaDB: successfully set metadata for image")
+			registry.log.Debug().Str("repo", repo).Str("reference", reference).Str("component", "metadb").
+				Msg("successfully set metadata for image")
 		}
 	}
 

pkg/extensions/sync/httpclient/client.go

@@ -87,8 +87,8 @@ func (httpClient *Client) Ping() bool {
 
 	resp, err := httpClient.client.Do(req)
 	if err != nil {
-		httpClient.log.Error().Err(err).Str("url", pingURL.String()).
+		httpClient.log.Error().Err(err).Str("url", pingURL.String()).Str("component", "sync").
-			Msg("sync: failed to ping registry")
+			Msg("failed to ping registry")
 
 		return false
 	}
@@ -108,7 +108,7 @@ func (httpClient *Client) Ping() bool {
 	}
 
 	httpClient.log.Error().Str("url", pingURL.String()).Str("body", string(body)).Int("statusCode", resp.StatusCode).
-		Msg("sync: failed to ping registry")
+		Str("component", "sync").Msg("failed to ping registry")
 
 	return false
 }

pkg/extensions/sync/on_demand.go

@@ -148,7 +148,7 @@ func (onDemand *BaseOnDemand) syncImage(ctx context.Context, repo, reference str
 					}()
 
 					onDemand.log.Info().Str("repo", repo).Str(reference, "reference").Str("err", err.Error()).
-						Msg("sync routine: starting routine to copy image, because of error")
+						Str("component", "sync").Msg("starting routine to copy image, because of error")
 
 					time.Sleep(retryOptions.Delay)
 
@@ -159,7 +159,7 @@ func (onDemand *BaseOnDemand) syncImage(ctx context.Context, repo, reference str
 						return err
 					}, retryOptions); err != nil {
 						onDemand.log.Error().Str("errorType", common.TypeOf(err)).Str("repo", repo).Str("reference", reference).
-							Err(err).Msg("sync routine: error while copying image")
+							Err(err).Str("component", "sync").Msg("failed to copy image")
 					}
 				}(service)
 			}

pkg/extensions/sync/references/cosign.go

@@ -150,8 +150,8 @@ func (ref CosignReference) SyncReferences(ctx context.Context, localRepo, remote
 			Msg("successfully synced cosign reference for image")
 
 		if ref.metaDB != nil {
-			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: trying to sync cosign reference for image")
+				Msg("trying to sync cosign reference for image")
 
 			err = meta.SetImageMetaFromInput(ctx, localRepo, cosignTag, ispec.MediaTypeImageManifest,
 				referenceDigest, manifestBuf, ref.storeController.GetImageStore(localRepo),
@@ -162,8 +162,8 @@ func (ref CosignReference) SyncReferences(ctx context.Context, localRepo, remote
 					localRepo, subjectDigestStr, err)
 			}
 
-			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: successfully added cosign reference for image")
+				Msg("successfully added cosign reference for image")
 		}
 	}
 

pkg/extensions/sync/references/oci.go

@@ -134,8 +134,8 @@ func (ref OciReferences) SyncReferences(ctx context.Context, localRepo, remoteRe
 		refsDigests = append(refsDigests, referenceDigest)
 
 		if ref.metaDB != nil {
-			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: trying to add oci references for image")
+				Msg("trying to add oci references for image")
 
 			err = meta.SetImageMetaFromInput(ctx, localRepo, referenceDigest.String(), referrer.MediaType,
 				referenceDigest, referenceBuf, ref.storeController.GetImageStore(localRepo),
@@ -145,8 +145,8 @@ func (ref OciReferences) SyncReferences(ctx context.Context, localRepo, remoteRe
 					localRepo, subjectDigestStr, err)
 			}
 
-			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: successfully added oci references to MetaDB for image")
+				Msg("successfully added oci references to MetaDB for image")
 		}
 	}
 

pkg/extensions/sync/references/oras.go

@@ -151,20 +151,20 @@ func (ref ORASReferences) SyncReferences(ctx context.Context, localRepo, remoteR
 		refsDigests = append(refsDigests, referenceDigest)
 
 		if ref.metaDB != nil {
-			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: trying to sync oras artifact for image")
+				Msg("trying to sync oras artifact for image")
 
 			err := meta.SetImageMetaFromInput(context.Background(), localRepo, //nolint:contextcheck
 				referenceDigest.String(), referrer.MediaType,
 				referenceDigest, orasBuf, ref.storeController.GetImageStore(localRepo),
 				ref.metaDB, ref.log)
 			if err != nil {
-				return refsDigests, fmt.Errorf("metaDB: failed to set metadata for oras artifact '%s@%s': %w",
+				return refsDigests, fmt.Errorf("failed to set metadata in db for oras artifact '%s@%s': %w",
 					localRepo, subjectDigestStr, err)
 			}
 
-			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: successfully added oras artifacts to MetaDB for image")
+				Msg("successfully added oras artifacts to MetaDB for image")
 		}
 	}
 

pkg/extensions/sync/references/referrers_tag.go

@@ -110,8 +110,8 @@ func (ref TagReferences) SyncReferences(ctx context.Context, localRepo, remoteRe
 		refsDigests = append(refsDigests, referenceDigest)
 
 		if ref.metaDB != nil {
-			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Debug().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: trying to add oci references for image")
+				Msg("trying to add oci references for image")
 
 			err = meta.SetImageMetaFromInput(ctx, localRepo, referenceDigest.String(), referrer.MediaType,
 				referenceDigest, referenceBuf, ref.storeController.GetImageStore(localRepo),
@@ -121,8 +121,8 @@ func (ref TagReferences) SyncReferences(ctx context.Context, localRepo, remoteRe
 					localRepo, subjectDigestStr, err)
 			}
 
-			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).
+			ref.log.Info().Str("repository", localRepo).Str("subject", subjectDigestStr).Str("component", "metadb").
-				Msg("metaDB: successfully added oci references to MetaDB for image")
+				Msg("successfully added oci references to MetaDB for image")
 		}
 	}
 

pkg/extensions/sync/service.go

@@ -144,7 +144,7 @@ func (service *BaseService) SetNextAvailableClient() error {
 		}
 
 		if err != nil {
-			service.log.Error().Err(err).Str("url", url).Msg("sync: failed to initialize http client")
+			service.log.Error().Err(err).Str("url", url).Msg("failed to initialize http client")
 
 			return err
 		}
@@ -203,7 +203,7 @@ func (service *BaseService) GetNextRepo(lastRepo string) (string, error) {
 			return err
 		}, service.retryOptions); err != nil {
 			service.log.Error().Str("errorType", common.TypeOf(err)).Str("remote registry", service.client.GetConfig().URL).
-				Err(err).Msg("error while getting repositories from remote registry")
+				Err(err).Msg("failed to get repository list from remote registry")
 
 			return "", err
 		}
@@ -234,15 +234,15 @@ func (service *BaseService) SyncReference(ctx context.Context, repo string,
 	if len(service.config.Content) > 0 {
 		remoteRepo = service.contentManager.GetRepoSource(repo)
 		if remoteRepo == "" {
-			service.log.Info().Str("remote", remoteURL).Str("repo", repo).Str("subject", subjectDigestStr).
+			service.log.Info().Str("remote", remoteURL).Str("repository", repo).Str("subject", subjectDigestStr).
 				Str("reference type", referenceType).Msg("will not sync reference for image, filtered out by content")
 
 			return zerr.ErrSyncImageFilteredOut
 		}
 	}
 
-	service.log.Info().Str("remote", remoteURL).Str("repo", repo).Str("subject", subjectDigestStr).
+	service.log.Info().Str("remote", remoteURL).Str("repository", repo).Str("subject", subjectDigestStr).
-		Str("reference type", referenceType).Msg("sync: syncing reference for image")
+		Str("reference type", referenceType).Msg("syncing reference for image")
 
 	return service.references.SyncReference(ctx, repo, remoteRepo, subjectDigestStr, referenceType)
 }
@@ -256,15 +256,15 @@ func (service *BaseService) SyncImage(ctx context.Context, repo, reference strin
 	if len(service.config.Content) > 0 {
 		remoteRepo = service.contentManager.GetRepoSource(repo)
 		if remoteRepo == "" {
-			service.log.Info().Str("remote", remoteURL).Str("repo", repo).Str("reference", reference).
+			service.log.Info().Str("remote", remoteURL).Str("repository", repo).Str("reference", reference).
 				Msg("will not sync image, filtered out by content")
 
 			return zerr.ErrSyncImageFilteredOut
 		}
 	}
 
-	service.log.Info().Str("remote", remoteURL).Str("repo", repo).Str("reference", reference).
+	service.log.Info().Str("remote", remoteURL).Str("repository", repo).Str("reference", reference).
-		Msg("sync: syncing image")
+		Msg("syncing image")
 
 	manifestDigest, err := service.syncTag(ctx, repo, remoteRepo, reference)
 	if err != nil {
@@ -281,8 +281,8 @@ func (service *BaseService) SyncImage(ctx context.Context, repo, reference strin
 
 // sync repo periodically.
 func (service *BaseService) SyncRepo(ctx context.Context, repo string) error {
-	service.log.Info().Str("repo", repo).Str("registry", service.client.GetConfig().URL).
+	service.log.Info().Str("repository", repo).Str("registry", service.client.GetConfig().URL).
-		Msg("sync: syncing repo")
+		Msg("syncing repo")
 
 	var err error
 
@@ -293,8 +293,8 @@ func (service *BaseService) SyncRepo(ctx context.Context, repo string) error {
 
 		return err
 	}, service.retryOptions); err != nil {
-		service.log.Error().Str("errorType", common.TypeOf(err)).Str("repo", repo).
+		service.log.Error().Str("errorType", common.TypeOf(err)).Str("repository", repo).
-			Err(err).Msg("error while getting tags for repo")
+			Err(err).Msg("failed to get tags for repository")
 
 		return err
 	}
@@ -305,7 +305,7 @@ func (service *BaseService) SyncRepo(ctx context.Context, repo string) error {
 		return err
 	}
 
-	service.log.Info().Str("repo", repo).Msgf("sync: syncing tags %v", tags)
+	service.log.Info().Str("repository", repo).Msgf("syncing tags %v", tags)
 
 	// apply content.destination rule
 	destinationRepo := service.contentManager.GetRepoDestination(repo)
@@ -331,8 +331,8 @@ func (service *BaseService) SyncRepo(ctx context.Context, repo string) error {
 				continue
 			}
 
-			service.log.Error().Str("errorType", common.TypeOf(err)).Str("repo", repo).
+			service.log.Error().Str("errorType", common.TypeOf(err)).Str("repository", repo).
-				Err(err).Msg("error while syncing tags for repo")
+				Err(err).Msg("failed to sync tags for repository")
 
 			return err
 		}
@@ -346,15 +346,15 @@ func (service *BaseService) SyncRepo(ctx context.Context, repo string) error {
 
 				return err
 			}, service.retryOptions); err != nil {
-				service.log.Error().Str("errorType", common.TypeOf(err)).Str("repo", repo).
+				service.log.Error().Str("errorType", common.TypeOf(err)).Str("repository", repo).
-					Err(err).Msg("error while syncing tags for repo")
+					Err(err).Msg("failed to sync tags for repository")
 
 				return err
 			}
 		}
 	}
 
-	service.log.Info().Str("repo", repo).Msg("sync: finished syncing repo")
+	service.log.Info().Str("component", "sync").Str("repository", repo).Msg("finished syncing repository")
 
 	return nil
 }
@@ -375,14 +375,14 @@ func (service *BaseService) syncTag(ctx context.Context, destinationRepo, remote
 	remoteImageRef, err := service.remote.GetImageReference(remoteRepo, tag)
 	if err != nil {
 		service.log.Error().Err(err).Str("errortype", common.TypeOf(err)).
-			Str("repo", remoteRepo).Str("reference", tag).Msg("couldn't get a remote image reference")
+			Str("repository", remoteRepo).Str("reference", tag).Msg("couldn't get a remote image reference")
 
 		return "", err
 	}
 
 	_, mediaType, manifestDigest, err := service.remote.GetManifestContent(remoteImageRef)
 	if err != nil {
-		service.log.Error().Err(err).Str("repo", remoteRepo).Str("reference", tag).
+		service.log.Error().Err(err).Str("repository", remoteRepo).Str("reference", tag).
 			Msg("couldn't get upstream image manifest details")
 
 		return "", err
@@ -407,7 +407,7 @@ func (service *BaseService) syncTag(ctx context.Context, destinationRepo, remote
 	skipImage, err := service.destination.CanSkipImage(destinationRepo, tag, manifestDigest)
 	if err != nil {
 		service.log.Error().Err(err).Str("errortype", common.TypeOf(err)).
-			Str("repo", destinationRepo).Str("reference", tag).
+			Str("repository", destinationRepo).Str("reference", tag).
 			Msg("couldn't check if the local image can be skipped")
 	}
 
@@ -415,7 +415,7 @@ func (service *BaseService) syncTag(ctx context.Context, destinationRepo, remote
 		localImageRef, err := service.destination.GetImageReference(destinationRepo, tag)
 		if err != nil {
 			service.log.Error().Err(err).Str("errortype", common.TypeOf(err)).
-				Str("repo", destinationRepo).Str("reference", tag).Msg("couldn't get a local image reference")
+				Str("repository", destinationRepo).Str("reference", tag).Msg("couldn't get a local image reference")
 
 			return "", err
 		}
@@ -435,7 +435,7 @@ func (service *BaseService) syncTag(ctx context.Context, destinationRepo, remote
 		err = service.destination.CommitImage(localImageRef, destinationRepo, tag)
 		if err != nil {
 			service.log.Error().Err(err).Str("errortype", common.TypeOf(err)).
-				Str("repo", destinationRepo).Str("reference", tag).Msg("couldn't commit image to local image store")
+				Str("repository", destinationRepo).Str("reference", tag).Msg("couldn't commit image to local image store")
 
 			return "", err
 		}
@@ -444,7 +444,8 @@ func (service *BaseService) syncTag(ctx context.Context, destinationRepo, remote
 			Msg("skipping image because it's already synced")
 	}
 
-	service.log.Info().Str("image", remoteImageRef.DockerReference().String()).Msg("sync: finished syncing image")
+	service.log.Info().Str("component", "sync").
+		Str("image", remoteImageRef.DockerReference().String()).Msg("finished syncing image")
 
 	return manifestDigest, nil
 }

pkg/extensions/sync/sync.go

@@ -101,7 +101,7 @@ func (gen *TaskGenerator) Next() (scheduler.Task, error) {
 	}
 
 	if repo == "" {
-		gen.log.Info().Msg("sync: finished syncing all repos")
+		gen.log.Info().Str("component", "sync").Msg("finished syncing all repos")
 		gen.done = true
 
 		return nil, nil

pkg/extensions/sync/sync_test.go

@@ -2091,7 +2091,7 @@ func TestConfigReloader(t *testing.T) {
 			data, err := os.ReadFile(logFile.Name())
 			t.Logf("downstream log: %s", string(data))
 			So(err, ShouldBeNil)
-			So(string(data), ShouldContainSubstring, "unable to start sync extension")
+			So(string(data), ShouldContainSubstring, "failed to start sync extension")
 			So(string(data), ShouldContainSubstring, "\"TLSVerify\":false")
 			So(string(data), ShouldContainSubstring, "\"OnDemand\":false")
 		})
@@ -2852,7 +2852,7 @@ func TestInvalidRegex(t *testing.T) {
 		defer dcm.StopServer()
 
 		found, err := test.ReadLogFileAndSearchString(dctlr.Config.Log.Output,
-			"couldn't compile regex", 15*time.Second)
+			"failed to compile regex", 15*time.Second)
 		if err != nil {
 			panic(err)
 		}
@@ -4974,7 +4974,7 @@ func TestOnDemandRetryGoroutineErr(t *testing.T) {
 		So(resp.StatusCode(), ShouldEqual, http.StatusNotFound)
 
 		found, err := test.ReadLogFileAndSearchString(dctlr.Config.Log.Output,
-			"sync routine: error while copying image", 15*time.Second)
+			"failed to copy image", 15*time.Second)
 		if err != nil {
 			panic(err)
 		}

pkg/log/guidelines.md

@@ -61,3 +61,5 @@ For example, lookup a cache (fast path) and it throws a not-found error, and we
 expect to handle it and perform a slow path lookup. Instead of logging the
 lookup failure at ERROR level, it may be more appropriate to log at DEBUG level
 and then handle the error.
+
+Also, instead of `Msg("error at something")` standardize on `Msg("failed at something")`.

pkg/log/log.go

@@ -22,7 +22,7 @@ type Logger struct {
 }
 
 func (l Logger) Println(v ...interface{}) {
-	l.Logger.Error().Msg("panic recovered")
+	l.Logger.Error().Msg("panic recovered") //nolint: check-logs
 }
 
 func NewLogger(level, output string) Logger {

pkg/meta/boltdb/boltdb.go

@@ -154,12 +154,12 @@ func (bdw *BoltDB) SetImageMeta(digest godigest.Digest, imageMeta mTypes.ImageMe
 
 		pImageMetaBlob, err := proto.Marshal(protoImageMeta)
 		if err != nil {
-			return fmt.Errorf("metadb: error while calculating blob for manifest with digest %s %w", digest, err)
+			return fmt.Errorf("failed to calculate blob for manifest with digest %s %w", digest, err)
 		}
 
 		err = buck.Put([]byte(digest), pImageMetaBlob)
 		if err != nil {
-			return fmt.Errorf("metadb: error while setting manifest data with for digest %s %w", digest, err)
+			return fmt.Errorf("failed to set manifest data with for digest %s %w", digest, err)
 		}
 
 		return nil
@@ -494,7 +494,7 @@ func (bdw *BoltDB) SearchTags(ctx context.Context, searchText string,
 	searchedRepo, searchedTag, err := common.GetRepoTag(searchText)
 	if err != nil {
 		return []mTypes.FullImageMeta{},
-			fmt.Errorf("metadb: error while parsing search text, invalid format %w", err)
+			fmt.Errorf("failed to parse search text, invalid format %w", err)
 	}
 
 	err = bdw.DB.View(func(transaction *bbolt.Tx) error {
@@ -538,7 +538,7 @@ func (bdw *BoltDB) SearchTags(ctx context.Context, searchText string,
 
 				imageManifestData, err := getProtoImageMeta(imageBuck, manifestDigest)
 				if err != nil {
-					return fmt.Errorf("metadb: error fetching manifest meta for manifest with digest %s %w",
+					return fmt.Errorf("failed to fetch manifest meta for manifest with digest %s %w",
 						manifestDigest, err)
 				}
 
@@ -548,7 +548,7 @@ func (bdw *BoltDB) SearchTags(ctx context.Context, searchText string,
 
 				imageIndexData, err := getProtoImageMeta(imageBuck, indexDigest)
 				if err != nil {
-					return fmt.Errorf("metadb: error fetching manifest meta for manifest with digest %s %w",
+					return fmt.Errorf("failed to fetch manifest meta for manifest with digest %s %w",
 						indexDigest, err)
 				}
 
@@ -567,7 +567,7 @@ func (bdw *BoltDB) SearchTags(ctx context.Context, searchText string,
 
 				protoImageMeta = imageIndexData
 			default:
-				bdw.Log.Error().Str("mediaType", descriptor.MediaType).Msg("Unsupported media type")
+				bdw.Log.Error().Str("mediaType", descriptor.MediaType).Msg("unsupported media type")
 
 				continue
 			}
@@ -673,7 +673,7 @@ func (bdw *BoltDB) FilterTags(ctx context.Context, filterRepoTag mTypes.FilterRe
 						images = append(images, mConvert.GetFullImageMetaFromProto(tag, protoRepoMeta, protoImageIndexMeta))
 					}
 				default:
-					bdw.Log.Error().Str("mediaType", descriptor.MediaType).Msg("Unsupported media type")
+					bdw.Log.Error().Str("mediaType", descriptor.MediaType).Msg("unsupported media type")
 
 					continue
 				}
@@ -997,7 +997,7 @@ func (bdw *BoltDB) DeleteSignature(repo string, signedManifestDigest godigest.Di
 
 		repoMetaBlob := repoMetaBuck.Get([]byte(repo))
 		if len(repoMetaBlob) == 0 {
-			return zerr.ErrManifestMetaNotFound
+			return zerr.ErrImageMetaNotFound
 		}
 
 		protoRepoMeta, err := unmarshalProtoRepoMeta(repo, repoMetaBlob)
@@ -1007,7 +1007,7 @@ func (bdw *BoltDB) DeleteSignature(repo string, signedManifestDigest godigest.Di
 
 		manifestSignatures, found := protoRepoMeta.Signatures[signedManifestDigest.String()]
 		if !found {
-			return zerr.ErrManifestMetaNotFound
+			return zerr.ErrImageMetaNotFound
 		}
 
 		signatureSlice := manifestSignatures.Map[sigMeta.SignatureType]
@@ -1209,7 +1209,7 @@ func (bdw *BoltDB) UpdateStatsOnDownload(repo string, reference string) error {
 			descriptor, found := protoRepoMeta.Tags[reference]
 
 			if !found {
-				return zerr.ErrManifestMetaNotFound
+				return zerr.ErrImageMetaNotFound
 			}
 
 			manifestDigest = descriptor.Digest
@@ -1217,7 +1217,7 @@ func (bdw *BoltDB) UpdateStatsOnDownload(repo string, reference string) error {
 
 		manifestStatistics, ok := protoRepoMeta.Statistics[manifestDigest]
 		if !ok {
-			return zerr.ErrManifestMetaNotFound
+			return zerr.ErrImageMetaNotFound
 		}
 
 		manifestStatistics.DownloadCount++
@@ -1817,7 +1817,7 @@ func (bdw *BoltDB) AddUserAPIKey(ctx context.Context, hashedKey string, apiKeyDe
 
 		err := apiKeysbuck.Put([]byte(hashedKey), []byte(userid))
 		if err != nil {
-			return fmt.Errorf("metaDB: error while setting userData for identity %s %w", userid, err)
+			return fmt.Errorf("failed to set userData for identity %s %w", userid, err)
 		}
 
 		err = bdw.getUserData(userid, transaction, &userData)
@@ -1870,7 +1870,7 @@ func (bdw *BoltDB) DeleteUserAPIKey(ctx context.Context, keyID string) error {
 
 				err := apiKeysbuck.Delete([]byte(hash))
 				if err != nil {
-					return fmt.Errorf("userDB: error while deleting userAPIKey entry for hash %s %w", hash, err)
+					return fmt.Errorf("failed to delete userAPIKey entry for hash %s %w", hash, err)
 				}
 			}
 		}
@@ -1975,7 +1975,7 @@ func (bdw *BoltDB) setUserData(userid string, transaction *bbolt.Tx, userData mT
 
 	err = buck.Put([]byte(userid), upBlob)
 	if err != nil {
-		return fmt.Errorf("metaDB: error while setting userData for identity %s %w", userid, err)
+		return fmt.Errorf("failed to set userData for identity %s %w", userid, err)
 	}
 
 	return nil
@@ -2001,7 +2001,7 @@ func (bdw *BoltDB) DeleteUserData(ctx context.Context) error {
 
 		err := buck.Delete([]byte(userid))
 		if err != nil {
-			return fmt.Errorf("metaDB: error while deleting userData for identity %s %w", userid, err)
+			return fmt.Errorf("failed to delete userData for identity %s %w", userid, err)
 		}
 
 		return nil

pkg/meta/dynamodb/dynamodb.go

@@ -592,7 +592,7 @@ func (dwr *DynamoDB) SearchTags(ctx context.Context, searchText string) ([]mType
 	searchedRepo, searchedTag, err := common.GetRepoTag(searchText)
 	if err != nil {
 		return []mTypes.FullImageMeta{},
-			fmt.Errorf("metadb: error while parsing search text, invalid format %w", err)
+			fmt.Errorf("failed to parse search text, invalid format %w", err)
 	}
 
 	if ok, err := reqCtx.RepoIsUserAvailable(ctx, searchedRepo); !ok || err != nil {
@@ -627,7 +627,7 @@ func (dwr *DynamoDB) SearchTags(ctx context.Context, searchText string) ([]mType
 			imageManifestData, err := dwr.GetProtoImageMeta(ctx, godigest.Digest(manifestDigest))
 			if err != nil {
 				return []mTypes.FullImageMeta{},
-					fmt.Errorf("metadb: error fetching manifest meta for manifest with digest %s %w", manifestDigest, err)
+					fmt.Errorf("error fetching manifest meta for manifest with digest %s %w", manifestDigest, err)
 			}
 
 			protoImageMeta = imageManifestData
@@ -637,7 +637,7 @@ func (dwr *DynamoDB) SearchTags(ctx context.Context, searchText string) ([]mType
 			imageIndexData, err := dwr.GetProtoImageMeta(ctx, indexDigest)
 			if err != nil {
 				return []mTypes.FullImageMeta{},
-					fmt.Errorf("metadb: error fetching manifest meta for manifest with digest %s %w", indexDigest, err)
+					fmt.Errorf("error fetching manifest meta for manifest with digest %s %w", indexDigest, err)
 			}
 
 			manifestDataList := make([]*proto_go.ManifestMeta, 0, len(imageIndexData.Index.Index.Manifests))
@@ -657,7 +657,7 @@ func (dwr *DynamoDB) SearchTags(ctx context.Context, searchText string) ([]mType
 
 			protoImageMeta = imageIndexData
 		default:
-			dwr.Log.Error().Str("mediaType", descriptor.MediaType).Msg("Unsupported media type")
+			dwr.Log.Error().Str("mediaType", descriptor.MediaType).Msg("unsupported media type")
 
 			continue
 		}
@@ -763,7 +763,7 @@ func (dwr *DynamoDB) FilterTags(ctx context.Context, filterRepoTag mTypes.Filter
 					images = append(images, mConvert.GetFullImageMetaFromProto(tag, protoRepoMeta, protoImageIndexMeta))
 				}
 			default:
-				dwr.Log.Error().Str("mediaType", descriptor.MediaType).Msg("Unsupported media type")
+				dwr.Log.Error().Str("mediaType", descriptor.MediaType).Msg("unsupported media type")
 
 				continue
 			}
@@ -1112,7 +1112,7 @@ func (dwr *DynamoDB) UpdateStatsOnDownload(repo string, reference string) error
 		descriptor, found := repoMeta.Tags[reference]
 
 		if !found {
-			return zerr.ErrManifestMetaNotFound
+			return zerr.ErrImageMetaNotFound
 		}
 
 		descriptorDigest = descriptor.Digest
@@ -1120,7 +1120,7 @@ func (dwr *DynamoDB) UpdateStatsOnDownload(repo string, reference string) error
 
 	manifestStatistics, ok := repoMeta.Statistics[descriptorDigest]
 	if !ok {
-		return zerr.ErrManifestMetaNotFound
+		return zerr.ErrImageMetaNotFound
 	}
 
 	manifestStatistics.DownloadCount++
@@ -1294,7 +1294,7 @@ func (dwr *DynamoDB) DeleteSignature(repo string, signedManifestDigest godigest.
 	)
 
 	if manifestSignatures, found = protoRepoMeta.Signatures[signedManifestDigest.String()]; !found {
-		return zerr.ErrManifestMetaNotFound
+		return zerr.ErrImageMetaNotFound
 	}
 
 	signatureSlice := manifestSignatures.Map[sigType]
@@ -1728,7 +1728,7 @@ func (dwr DynamoDB) GetUserAPIKeys(ctx context.Context) ([]mTypes.APIKeyDetails,
 
 	userData, err := dwr.GetUserData(ctx)
 	if err != nil && !errors.Is(err, zerr.ErrUserDataNotFound) {
-		return nil, fmt.Errorf("metaDB: error while getting userData for identity %s %w", userid, err)
+		return nil, fmt.Errorf("failed to get userData for identity %s %w", userid, err)
 	}
 
 	for hashedKey, apiKeyDetails := range userData.APIKeys {
@@ -1764,7 +1764,7 @@ func (dwr DynamoDB) AddUserAPIKey(ctx context.Context, hashedKey string, apiKeyD
 
 	userData, err := dwr.GetUserData(ctx)
 	if err != nil && !errors.Is(err, zerr.ErrUserDataNotFound) {
-		return fmt.Errorf("metaDB: error while getting userData for identity %s %w", userid, err)
+		return fmt.Errorf("failed to get userData for identity %s %w", userid, err)
 	}
 
 	if userData.APIKeys == nil {
@@ -1825,7 +1825,7 @@ func (dwr DynamoDB) AddUserAPIKey(ctx context.Context, hashedKey string, apiKeyD
 func (dwr DynamoDB) DeleteUserAPIKey(ctx context.Context, keyID string) error {
 	userData, err := dwr.GetUserData(ctx)
 	if err != nil {
-		return fmt.Errorf("metaDB: error while getting userData %w", err)
+		return fmt.Errorf("failed to get userData %w", err)
 	}
 
 	for hash, apiKeyDetails := range userData.APIKeys {
@@ -1839,7 +1839,7 @@ func (dwr DynamoDB) DeleteUserAPIKey(ctx context.Context, keyID string) error {
 				},
 			})
 			if err != nil {
-				return fmt.Errorf("metaDB: error while deleting userAPIKey entry for hash %s %w", hash, err)
+				return fmt.Errorf("failed to delete userAPIKey entry for hash %s %w", hash, err)
 			}
 
 			err := dwr.SetUserData(ctx, userData)

pkg/meta/hooks.go

@@ -31,7 +31,7 @@ func OnUpdateManifest(ctx context.Context, repo, reference, mediaType string, di
 
 		if err := imgStore.DeleteImageManifest(repo, reference, false); err != nil {
 			log.Error().Err(err).Str("reference", reference).Str("repository", repo).
-				Msg("couldn't remove image manifest in repo")
+				Msg("failed to remove image manifest in repo")
 
 			return err
 		}
@@ -57,7 +57,7 @@ func OnDeleteManifest(repo, reference, mediaType string, digest godigest.Digest,
 	isSignature, signatureType, signedManifestDigest, err := storage.CheckIsImageSignature(repo, manifestBlob,
 		reference)
 	if err != nil {
-		log.Error().Err(err).Msg("can't check if image is a signature or not")
+		log.Error().Err(err).Msg("failed to check if image is a signature or not")
 
 		return err
 	}
@@ -70,18 +70,20 @@ func OnDeleteManifest(repo, reference, mediaType string, digest godigest.Digest,
 			SignatureType:   signatureType,
 		})
 		if err != nil {
-			log.Error().Err(err).Msg("metadb: can't check if image is a signature or not")
+			log.Error().Err(err).Str("component", "metadb").
+				Msg("failed to check if image is a signature or not")
 			manageRepoMetaSuccessfully = false
 		}
 	} else {
 		err = metaDB.RemoveRepoReference(repo, reference, digest)
 		if err != nil {
-			log.Info().Msg("metadb: restoring image store")
+			log.Info().Str("component", "metadb").Msg("restoring image store")
 
 			// restore image store
 			_, _, err := imgStore.PutImageManifest(repo, reference, mediaType, manifestBlob)
 			if err != nil {
-				log.Error().Err(err).Msg("metadb: error while restoring image store, database is not consistent")
+				log.Error().Err(err).Str("component", "metadb").
+					Msg("failed to restore manifest to image store, database is not consistent")
 			}
 
 			manageRepoMetaSuccessfully = false
@@ -89,8 +91,8 @@ func OnDeleteManifest(repo, reference, mediaType string, digest godigest.Digest,
 	}
 
 	if !manageRepoMetaSuccessfully {
-		log.Info().Str("tag", reference).Str("repository", repo).
+		log.Info().Str("tag", reference).Str("repository", repo).Str("component", "metadb").
-			Msg("metadb: deleting image meta was unsuccessful for tag in repo")
+			Msg("failed to delete image meta was unsuccessful for tag in repo")
 
 		return err
 	}
@@ -105,7 +107,7 @@ func OnGetManifest(name, reference, mediaType string, body []byte,
 	// check if image is a signature
 	isSignature, _, _, err := storage.CheckIsImageSignature(name, body, reference)
 	if err != nil {
-		log.Error().Err(err).Msg("can't check if manifest is a signature or not")
+		log.Error().Err(err).Msg("failed to check if manifest is a signature or not")
 
 		return err
 	}
@@ -121,7 +123,7 @@ func OnGetManifest(name, reference, mediaType string, body []byte,
 	err = metaDB.UpdateStatsOnDownload(name, reference)
 	if err != nil {
 		log.Error().Err(err).Str("repository", name).Str("reference", reference).
-			Msg("unexpected error for image")
+			Msg("failed to update stats on download image")
 
 		return err
 	}

pkg/meta/meta.go

@@ -43,8 +43,8 @@ func Create(dbtype string, dbDriver, parameters interface{}, log log.Logger, //n
 		{
 			properDriver, ok := dbDriver.(*bbolt.DB)
 			if !ok {
-				log.Error().Err(errors.ErrTypeAssertionFailed).Msgf("expected type '%T' but got '%T'",
+				log.Error().Err(errors.ErrTypeAssertionFailed).
-					&bbolt.DB{}, dbDriver)
+					Msgf("failed to cast type, expected type '%T' but got '%T'", &bbolt.DB{}, dbDriver)
 
 				return nil, errors.ErrTypeAssertionFailed
 			}
@@ -55,16 +55,17 @@ func Create(dbtype string, dbDriver, parameters interface{}, log log.Logger, //n
 		{
 			properDriver, ok := dbDriver.(*dynamodb.Client)
 			if !ok {
-				log.Error().Err(errors.ErrTypeAssertionFailed).Msgf("expected type '%T' but got '%T'",
+				log.Error().Err(errors.ErrTypeAssertionFailed).
-					&dynamodb.Client{}, dbDriver)
+					Msgf("failed to cast type, expected type '%T' but got '%T'", &dynamodb.Client{}, dbDriver)
 
 				return nil, errors.ErrTypeAssertionFailed
 			}
 
 			properParameters, ok := parameters.(mdynamodb.DBDriverParameters)
 			if !ok {
-				log.Error().Err(errors.ErrTypeAssertionFailed).Msgf("expected type '%T' but got '%T'",
+				log.Error().Err(errors.ErrTypeAssertionFailed).
-					mdynamodb.DBDriverParameters{}, parameters)
+					Msgf("failed to cast type, expected type '%T' but got '%T'", mdynamodb.DBDriverParameters{},
+						parameters)
 
 				return nil, errors.ErrTypeAssertionFailed
 			}
@@ -125,7 +126,7 @@ func toStringIfOk(cacheDriverConfig map[string]interface{}, param string, log lo
 	val, ok := cacheDriverConfig[param]
 
 	if !ok {
-		log.Error().Str("field", param).Msg("parsing CacheDriver config failed, field is not present")
+		log.Error().Str("field", param).Msg("failed to parse CacheDriver config, field is not present")
 
 		return "", false
 	}
@@ -133,13 +134,13 @@ func toStringIfOk(cacheDriverConfig map[string]interface{}, param string, log lo
 	str, ok := val.(string)
 
 	if !ok {
-		log.Error().Str("parameter", param).Msg("parsing CacheDriver config failed, parameter isn't a string")
+		log.Error().Str("parameter", param).Msg("failed to parse CacheDriver config, parameter isn't a string")
 
 		return "", false
 	}
 
 	if str == "" {
-		log.Error().Str("field", param).Msg("parsing CacheDriver config failed, field is empty")
+		log.Error().Str("field", param).Msg("failed to parse CacheDriver config, field is empty")
 
 		return "", false
 	}

pkg/meta/parse.go

@@ -25,7 +25,7 @@ const (
 // ParseStorage will sync all repos found in the rootdirectory of the oci layout that zot was deployed on with the
 // ParseStorage database.
 func ParseStorage(metaDB mTypes.MetaDB, storeController stypes.StoreController, log log.Logger) error {
-	log.Info().Msg("Started parsing storage and updating MetaDB")
+	log.Info().Str("component", "metadb").Msg("parsing storage and initializing")
 
 	allStorageRepos, err := getAllRepos(storeController, log)
 	if err != nil {
@@ -34,8 +34,9 @@ func ParseStorage(metaDB mTypes.MetaDB, storeController stypes.StoreController,
 
 	allMetaDBRepos, err := metaDB.GetAllRepoNames()
 	if err != nil {
-		log.Error().Err(err).
+		rootDir := storeController.GetDefaultImageStore().RootDir()
-			Msg("load-metadb-layout: failed to get all repo names present in metadb")
+		log.Error().Err(err).Str("component", "metadb").Str("rootDir", rootDir).
+			Msg("failed to get all repo names present under rootDir")
 
 		return err
 	}
@@ -43,8 +44,8 @@ func ParseStorage(metaDB mTypes.MetaDB, storeController stypes.StoreController,
 	for _, repo := range getReposToBeDeleted(allStorageRepos, allMetaDBRepos) {
 		err := metaDB.DeleteRepoMeta(repo)
 		if err != nil {
-			log.Error().Err(err).Str("rootDir", storeController.GetImageStore(repo).RootDir()).
+			log.Error().Err(err).Str("rootDir", storeController.GetImageStore(repo).RootDir()).Str("component", "metadb").
-				Str("repo", repo).Msg("load-metadb-layout: failed to get all repo names present in metadb")
+				Str("repo", repo).Msg("failed to delete repo meta")
 
 			return err
 		}
@@ -58,7 +59,8 @@ func ParseStorage(metaDB mTypes.MetaDB, storeController stypes.StoreController,
 
 		_, _, storageLastUpdated, err := imgStore.StatIndex(repo)
 		if err != nil {
-			log.Error().Err(err).Str("repository", repo).Msg("failed to sync repo")
+			log.Error().Err(err).Str("rootDir", imgStore.RootDir()).
+				Str("repo", repo).Msg("failed to sync repo")
 
 			continue
 		}
@@ -71,13 +73,13 @@ func ParseStorage(metaDB mTypes.MetaDB, storeController stypes.StoreController,
 
 		err = ParseRepo(repo, metaDB, storeController, log)
 		if err != nil {
-			log.Error().Err(err).Str("repository", repo).Msg("failed to sync repo")
+			log.Error().Err(err).Str("repo", repo).Str("rootDir", imgStore.RootDir()).Msg("failed to sync repo")
 
 			continue
 		}
 	}
 
-	log.Info().Msg("Done parsing storage and updating MetaDB")
+	log.Info().Str("component", "metadb").Msg("successfully initialized")
 
 	return nil
 }
@@ -112,7 +114,7 @@ func ParseRepo(repo string, metaDB mTypes.MetaDB, storeController stypes.StoreCo
 
 	indexBlob, err := imageStore.GetIndexContent(repo)
 	if err != nil {
-		log.Error().Err(err).Str("repository", repo).Msg("load-repo: failed to read index.json for repo")
+		log.Error().Err(err).Str("repository", repo).Msg("failed to read index.json for repo")
 
 		return err
 	}
@@ -121,14 +123,14 @@ func ParseRepo(repo string, metaDB mTypes.MetaDB, storeController stypes.StoreCo
 
 	err = json.Unmarshal(indexBlob, &indexContent)
 	if err != nil {
-		log.Error().Err(err).Str("repository", repo).Msg("load-repo: failed to unmarshal index.json for repo")
+		log.Error().Err(err).Str("repository", repo).Msg("failed to unmarshal index.json for repo")
 
 		return err
 	}
 
 	err = metaDB.ResetRepoReferences(repo)
 	if err != nil && !errors.Is(err, zerr.ErrRepoMetaNotFound) {
-		log.Error().Err(err).Str("repository", repo).Msg("load-repo: failed to reset tag field in RepoMetadata for repo")
+		log.Error().Err(err).Str("repository", repo).Msg("failed to reset tag field in RepoMetadata for repo")
 
 		return err
 	}
@@ -143,7 +145,7 @@ func ParseRepo(repo string, metaDB mTypes.MetaDB, storeController stypes.StoreCo
 		manifestBlob, _, _, err := imageStore.GetImageManifest(repo, manifest.Digest.String())
 		if err != nil {
 			log.Error().Err(err).Str("repository", repo).Str("digest", manifest.Digest.String()).
-				Msg("load-repo: failed to get blob for image")
+				Msg("failed to get blob for image")
 
 			return err
 		}
@@ -158,7 +160,7 @@ func ParseRepo(repo string, metaDB mTypes.MetaDB, storeController stypes.StoreCo
 			imageStore, metaDB, log)
 		if err != nil {
 			log.Error().Err(err).Str("repository", repo).Str("tag", tag).
-				Msg("load-repo: failed to set metadata for image")
+				Msg("failed to set metadata for image")
 
 			return err
 		}
@@ -171,7 +173,7 @@ func getAllRepos(storeController stypes.StoreController, log log.Logger) ([]stri
 	allRepos, err := storeController.GetDefaultImageStore().GetRepositories()
 	if err != nil {
 		log.Error().Err(err).Str("rootDir", storeController.GetDefaultImageStore().RootDir()).
-			Msg("load-local-layout: failed to get all repo names present under rootDir")
+			Msg("failed to get all repo names present under rootDir")
 
 		return nil, err
 	}
@@ -181,7 +183,7 @@ func getAllRepos(storeController stypes.StoreController, log log.Logger) ([]stri
 			substoreRepos, err := store.GetRepositories()
 			if err != nil {
 				log.Error().Err(err).Str("rootDir", store.RootDir()).
-					Msg("load-local-layout: failed to get all repo names present under rootDir")
+					Msg("failed to get all repo names present under rootDir")
 
 				return nil, err
 			}
@@ -214,7 +216,7 @@ func getCosignSignatureLayersInfo(
 	var manifestContent ispec.Manifest
 	if err := json.Unmarshal(manifestBlob, &manifestContent); err != nil {
 		log.Error().Err(err).Str("repository", repo).Str("reference", tag).Str("digest", manifestDigest).Msg(
-			"load-repo: unable to marshal blob index")
+			"failed to marshal blob index")
 
 		return layers, err
 	}
@@ -228,7 +230,7 @@ func getCosignSignatureLayersInfo(
 		layerContent, err := imageStore.GetBlobContent(repo, layer.Digest)
 		if err != nil {
 			log.Error().Err(err).Str("repository", repo).Str("reference", tag).Str("layerDigest", layer.Digest.String()).Msg(
-				"load-repo: unable to get cosign signature layer content")
+				"failed to get cosign signature layer content")
 
 			return layers, err
 		}
@@ -236,7 +238,7 @@ func getCosignSignatureLayersInfo(
 		layerSigKey, ok := layer.Annotations[zcommon.CosignSigKey]
 		if !ok {
 			log.Error().Err(err).Str("repository", repo).Str("reference", tag).Str("layerDigest", layer.Digest.String()).Msg(
-				"load-repo: unable to get specific annotation of cosign signature")
+				"failed to get specific annotation of cosign signature")
 		}
 
 		layers = append(layers, mTypes.LayerInfo{
@@ -257,7 +259,7 @@ func getNotationSignatureLayersInfo(
 	var manifestContent ispec.Manifest
 	if err := json.Unmarshal(manifestBlob, &manifestContent); err != nil {
 		log.Error().Err(err).Str("repository", repo).Str("reference", manifestDigest).Msg(
-			"load-repo: unable to marshal blob index")
+			"failed to marshal blob index")
 
 		return layers, err
 	}
@@ -269,7 +271,7 @@ func getNotationSignatureLayersInfo(
 
 	if len(manifestContent.Layers) != 1 {
 		log.Error().Err(zerr.ErrBadManifest).Str("repository", repo).Str("reference", manifestDigest).
-			Msg("load-repo: notation signature manifest requires exactly one layer but it does not")
+			Msg("notation signature manifest requires exactly one layer but it does not")
 
 		return layers, zerr.ErrBadManifest
 	}
@@ -284,7 +286,7 @@ func getNotationSignatureLayersInfo(
 	layerContent, err := imageStore.GetBlobContent(repo, layer)
 	if err != nil {
 		log.Error().Err(err).Str("repository", repo).Str("reference", manifestDigest).Str("layerDigest", layer.String()).Msg(
-			"load-repo: unable to get notation signature blob content")
+			"failed to get notation signature blob content")
 
 		return layers, err
 	}
@@ -314,7 +316,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
 
 		err := json.Unmarshal(blob, &manifestContent)
 		if err != nil {
-			log.Error().Err(err).Msg("metadb: error while getting image data")
+			log.Error().Err(err).Str("component", "metadb").Msg("failed to unmarshal image manifest")
 
 			return err
 		}
@@ -348,7 +350,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
 			if err != nil {
 				log.Error().Err(err).Str("repository", repo).Str("tag", reference).
 					Str("manifestDigest", signedManifestDigest.String()).
-					Msg("load-repo: failed set signature meta for signed image")
+					Msg("failed set signature meta for signed image")
 
 				return err
 			}
@@ -356,7 +358,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
 			err = metaDB.UpdateSignaturesValidity(ctx, repo, signedManifestDigest)
 			if err != nil {
 				log.Error().Err(err).Str("repository", repo).Str("reference", reference).Str("digest",
-					signedManifestDigest.String()).Msg("load-repo: failed verify signatures validity for signed image")
+					signedManifestDigest.String()).Msg("failed to verify signature validity for signed image")
 
 				return err
 			}
@@ -380,7 +382,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
 
 	err := metaDB.SetRepoReference(ctx, repo, reference, imageMeta)
 	if err != nil {
-		log.Error().Err(err).Msg("metadb: error while setting repo meta")
+		log.Error().Err(err).Str("component", "metadb").Msg("failed to set repo meta")
 
 		return err
 	}

pkg/scheduler/scheduler.go

@@ -128,7 +128,7 @@ func (scheduler *Scheduler) poolWorker(ctx context.Context) {
 			for task := range scheduler.workerChan {
 				// leave below line here (for zot minimal metrics can be enabled on first scraping)
 				metricsEnabled := scheduler.metricServer.IsEnabled()
-				scheduler.log.Debug().Int("worker", workerID).Str("task", task.String()).Msg("scheduler: starting task")
+				scheduler.log.Debug().Int("worker", workerID).Str("task", task.String()).Msg("starting task")
 
 				if metricsEnabled {
 					scheduler.tasksLock.Lock()
@@ -139,7 +139,7 @@ func (scheduler *Scheduler) poolWorker(ctx context.Context) {
 
 				if err := task.DoWork(ctx); err != nil {
 					scheduler.log.Error().Int("worker", workerID).Str("task", task.String()).Err(err).
-						Msg("scheduler: error while executing task")
+						Msg("failed to execute task")
 				}
 
 				if metricsEnabled {
@@ -150,7 +150,7 @@ func (scheduler *Scheduler) poolWorker(ctx context.Context) {
 					monitoring.ObserveWorkersTasksDuration(scheduler.metricServer, task.Name(), workDuration)
 				}
 
-				scheduler.log.Debug().Int("worker", workerID).Str("task", task.String()).Msg("scheduler: finished task")
+				scheduler.log.Debug().Int("worker", workerID).Str("task", task.String()).Msg("finished task")
 			}
 		}(i + 1)
 	}
@@ -250,7 +250,7 @@ func (scheduler *Scheduler) RunScheduler(ctx context.Context) {
 					scheduler.shutdown()
 				}
 
-				scheduler.log.Debug().Msg("scheduler: received stop signal, gracefully shutting down...")
+				scheduler.log.Debug().Msg("received stop signal, gracefully shutting down...")
 
 				return
 			default:
@@ -261,7 +261,7 @@ func (scheduler *Scheduler) RunScheduler(ctx context.Context) {
 					if task != nil {
 						// push tasks into worker pool
 						if !scheduler.inShutdown() {
-							scheduler.log.Debug().Str("task", task.String()).Msg("scheduler: pushing task into worker pool")
+							scheduler.log.Debug().Str("task", task.String()).Msg("pushing task into worker pool")
 							scheduler.workerChan <- task
 						}
 					}
@@ -286,7 +286,7 @@ func (scheduler *Scheduler) pushReadyGenerators() {
 				scheduler.waitingGenerators = append(scheduler.waitingGenerators[:i], scheduler.waitingGenerators[i+1:]...)
 				modified = true
 
-				scheduler.log.Debug().Msg("scheduler: waiting generator is ready, pushing to ready generators")
+				scheduler.log.Debug().Msg("waiting generator is ready, pushing to ready generators")
 
 				break
 			}
@@ -383,7 +383,7 @@ func (scheduler *Scheduler) SubmitTask(task Task, priority Priority) {
 
 	select {
 	case tasksQ <- task:
-		scheduler.log.Info().Msg("scheduler: adding a new task")
+		scheduler.log.Info().Msg("adding a new task")
 	default:
 		if scheduler.inShutdown() {
 			return
@@ -434,7 +434,7 @@ func (gen *generator) generate(sch *Scheduler) {
 	if gen.remainingTask == nil {
 		nextTask, err := gen.taskGenerator.Next()
 		if err != nil {
-			sch.log.Error().Err(err).Msg("scheduler: error while executing generator")
+			sch.log.Error().Err(err).Msg("failed to execute generator")
 
 			return
 		}

pkg/scheduler/scheduler_test.go

@@ -161,7 +161,7 @@ func TestScheduler(t *testing.T) {
 		So(string(data), ShouldContainSubstring, "executing high priority task; index: 1")
 		So(string(data), ShouldContainSubstring, "executing high priority task; index: 2")
 		So(string(data), ShouldNotContainSubstring, "executing medium priority task; index: 1")
-		So(string(data), ShouldNotContainSubstring, "error while executing task")
+		So(string(data), ShouldNotContainSubstring, "failed to execute task")
 	})
 
 	Convey("Test task returning an error", t, func() {
@@ -185,8 +185,8 @@ func TestScheduler(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldContainSubstring, "scheduler: adding a new task")
+		So(string(data), ShouldContainSubstring, "adding a new task")
-		So(string(data), ShouldContainSubstring, "error while executing task")
+		So(string(data), ShouldContainSubstring, "failed to execute task")
 	})
 
 	Convey("Test resubmit generator", t, func() {
@@ -229,7 +229,7 @@ func TestScheduler(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldNotContainSubstring, "scheduler: adding a new task")
+		So(string(data), ShouldNotContainSubstring, "adding a new task")
 	})
 
 	Convey("Test adding a new task when context is done", t, func() {
@@ -253,7 +253,7 @@ func TestScheduler(t *testing.T) {
 
 		data, err := os.ReadFile(logFile.Name())
 		So(err, ShouldBeNil)
-		So(string(data), ShouldNotContainSubstring, "scheduler: adding a new task")
+		So(string(data), ShouldNotContainSubstring, "adding a new task")
 	})
 
 	Convey("Test scheduler Priority.String() method", t, func() {

pkg/storage/cache/boltdb.go

@@ -31,7 +31,7 @@ type BoltDBDriverParameters struct {
 func NewBoltDBCache(parameters interface{}, log zlog.Logger) (*BoltDBDriver, error) {
 	properParameters, ok := parameters.(BoltDBDriverParameters)
 	if !ok {
-		log.Error().Err(zerr.ErrTypeAssertionFailed).Msgf("expected type '%T' but got '%T'",
+		log.Error().Err(zerr.ErrTypeAssertionFailed).Msgf("failed to cast type, expected type '%T' but got '%T'",
 			BoltDBDriverParameters{}, parameters)
 
 		return nil, zerr.ErrTypeAssertionFailed
@@ -39,7 +39,7 @@ func NewBoltDBCache(parameters interface{}, log zlog.Logger) (*BoltDBDriver, err
 
 	err := os.MkdirAll(properParameters.RootDir, constants.DefaultDirPerms)
 	if err != nil {
-		log.Error().Err(err).Str("directory", properParameters.RootDir).Msg("unable to create directory for cache db")
+		log.Error().Err(err).Str("directory", properParameters.RootDir).Msg("failed to create directory for cache db")
 
 		return nil, err
 	}
@@ -55,12 +55,12 @@ func NewBoltDBCache(parameters interface{}, log zlog.Logger) (*BoltDBDriver, err
 		if strings.Contains(err.Error(), "timeout") {
 			err := fmt.Errorf("%w: %w, path '%s'", zerr.ErrTimeout, zerr.ErrDatabaseFileAlreadyInUse, dbPath)
 
-			log.Error().Err(err).Str("dbPath", dbPath).Msg("unable to create cache db")
+			log.Error().Err(err).Str("dbPath", dbPath).Msg("failed to create cache db")
 
 			return nil, err
 		}
 
-		log.Error().Err(err).Str("dbPath", dbPath).Msg("unable to create cache db")
+		log.Error().Err(err).Str("dbPath", dbPath).Msg("failed to create cache db")
 
 		return nil, err
 	}
@@ -68,7 +68,7 @@ func NewBoltDBCache(parameters interface{}, log zlog.Logger) (*BoltDBDriver, err
 	if err := cacheDB.Update(func(tx *bbolt.Tx) error {
 		if _, err := tx.CreateBucketIfNotExists([]byte(constants.BlobsCache)); err != nil {
 			// this is a serious failure
-			log.Error().Err(err).Str("dbPath", dbPath).Msg("unable to create a root bucket")
+			log.Error().Err(err).Str("dbPath", dbPath).Msg("failed to create a root bucket")
 
 			return err
 		}
@@ -76,7 +76,7 @@ func NewBoltDBCache(parameters interface{}, log zlog.Logger) (*BoltDBDriver, err
 		return nil
 	}); err != nil {
 		// something went wrong
-		log.Error().Err(err).Msg("unable to create a cache")
+		log.Error().Err(err).Msg("failed to create a cache")
 
 		return nil, err
 	}
@@ -99,7 +99,8 @@ func (d *BoltDBDriver) Name() string {
 
 func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 	if path == "" {
-		d.log.Error().Err(zerr.ErrEmptyValue).Str("digest", digest.String()).Msg("empty path provided")
+		d.log.Error().Err(zerr.ErrEmptyValue).Str("digest", digest.String()).
+			Msg("failed to put blob due to empty path being provided")
 
 		return zerr.ErrEmptyValue
 	}
@@ -109,7 +110,7 @@ func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 	if d.useRelPaths {
 		path, err = filepath.Rel(d.rootDir, path)
 		if err != nil {
-			d.log.Error().Err(err).Str("path", path).Msg("unable to get relative path")
+			d.log.Error().Err(err).Str("path", path).Msg("failed to get relative path")
 		}
 	}
 
@@ -118,7 +119,7 @@ func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 		if root == nil {
 			// this is a serious failure
 			err := zerr.ErrCacheRootBucket
-			d.log.Error().Err(err).Msg("unable to access root bucket")
+			d.log.Error().Err(err).Msg("failed to access root bucket")
 
 			return err
 		}
@@ -126,7 +127,7 @@ func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 		bucket, err := root.CreateBucketIfNotExists([]byte(digest.String()))
 		if err != nil {
 			// this is a serious failure
-			d.log.Error().Err(err).Str("bucket", digest.String()).Msg("unable to create a bucket")
+			d.log.Error().Err(err).Str("bucket", digest.String()).Msg("failed to create a bucket")
 
 			return err
 		}
@@ -135,13 +136,13 @@ func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 		deduped, err := bucket.CreateBucketIfNotExists([]byte(constants.DuplicatesBucket))
 		if err != nil {
 			// this is a serious failure
-			d.log.Error().Err(err).Str("bucket", constants.DuplicatesBucket).Msg("unable to create a bucket")
+			d.log.Error().Err(err).Str("bucket", constants.DuplicatesBucket).Msg("failed to create a bucket")
 
 			return err
 		}
 
 		if err := deduped.Put([]byte(path), nil); err != nil {
-			d.log.Error().Err(err).Str("bucket", constants.DuplicatesBucket).Str("value", path).Msg("unable to put record")
+			d.log.Error().Err(err).Str("bucket", constants.DuplicatesBucket).Str("value", path).Msg("failed to put record")
 
 			return err
 		}
@@ -153,13 +154,13 @@ func (d *BoltDBDriver) PutBlob(digest godigest.Digest, path string) error {
 			origin, err := bucket.CreateBucket([]byte(constants.OriginalBucket))
 			if err != nil {
 				// this is a serious failure
-				d.log.Error().Err(err).Str("bucket", constants.OriginalBucket).Msg("unable to create a bucket")
+				d.log.Error().Err(err).Str("bucket", constants.OriginalBucket).Msg("failed to create a bucket")
 
 				return err
 			}
 
 			if err := origin.Put([]byte(path), nil); err != nil {
-				d.log.Error().Err(err).Str("bucket", constants.OriginalBucket).Str("value", path).Msg("unable to put record")
+				d.log.Error().Err(err).Str("bucket", constants.OriginalBucket).Str("value", path).Msg("failed to put record")
 
 				return err
 			}
@@ -181,7 +182,7 @@ func (d *BoltDBDriver) GetBlob(digest godigest.Digest) (string, error) {
 		if root == nil {
 			// this is a serious failure
 			err := zerr.ErrCacheRootBucket
-			d.log.Error().Err(err).Msg("unable to access root bucket")
+			d.log.Error().Err(err).Msg("failed to access root bucket")
 
 			return err
 		}
@@ -208,7 +209,7 @@ func (d *BoltDBDriver) HasBlob(digest godigest.Digest, blob string) bool {
 		if root == nil {
 			// this is a serious failure
 			err := zerr.ErrCacheRootBucket
-			d.log.Error().Err(err).Msg("unable to access root bucket")
+			d.log.Error().Err(err).Msg("failed to access root bucket")
 
 			return err
 		}
@@ -259,7 +260,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 	if d.useRelPaths {
 		path, err = filepath.Rel(d.rootDir, path)
 		if err != nil {
-			d.log.Error().Err(err).Str("path", path).Msg("unable to get relative path")
+			d.log.Error().Err(err).Str("path", path).Msg("failed to get relative path")
 		}
 	}
 
@@ -268,7 +269,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 		if root == nil {
 			// this is a serious failure
 			err := zerr.ErrCacheRootBucket
-			d.log.Error().Err(err).Msg("unable to access root bucket")
+			d.log.Error().Err(err).Msg("failed to access root bucket")
 
 			return err
 		}
@@ -285,7 +286,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 
 		if err := deduped.Delete([]byte(path)); err != nil {
 			d.log.Error().Err(err).Str("digest", digest.String()).Str("bucket", constants.DuplicatesBucket).
-				Str("path", path).Msg("unable to delete")
+				Str("path", path).Msg("failed to delete")
 
 			return err
 		}
@@ -296,7 +297,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 			if originBlob != nil {
 				if err := origin.Delete([]byte(path)); err != nil {
 					d.log.Error().Err(err).Str("digest", digest.String()).Str("bucket", constants.OriginalBucket).
-						Str("path", path).Msg("unable to delete")
+						Str("path", path).Msg("failed to delete")
 
 					return err
 				}
@@ -306,7 +307,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 				if dedupedBlob != nil {
 					if err := origin.Put(dedupedBlob, nil); err != nil {
 						d.log.Error().Err(err).Str("digest", digest.String()).Str("bucket", constants.OriginalBucket).Str("path", path).
-							Msg("unable to put")
+							Msg("failed to put")
 
 						return err
 					}
@@ -320,7 +321,7 @@ func (d *BoltDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 			d.log.Debug().Str("digest", digest.String()).Str("path", path).Msg("deleting empty bucket")
 			if err := root.DeleteBucket([]byte(digest)); err != nil {
 				d.log.Error().Err(err).Str("digest", digest.String()).Str("bucket", digest.String()).Str("path", path).
-					Msg("unable to delete")
+					Msg("failed to delete")
 
 				return err
 			}

pkg/storage/cache/dynamodb.go

@@ -64,7 +64,7 @@ func (d *DynamoDBDriver) NewTable(tableName string) error {
 func NewDynamoDBCache(parameters interface{}, log zlog.Logger) (*DynamoDBDriver, error) {
 	properParameters, ok := parameters.(DynamoDBDriverParameters)
 	if !ok {
-		log.Error().Err(zerr.ErrTypeAssertionFailed).Msgf("expected type '%T' but got '%T'",
+		log.Error().Err(zerr.ErrTypeAssertionFailed).Msgf("failed to cast type, expected type '%T' but got '%T'",
 			BoltDBDriverParameters{}, parameters)
 
 		return nil, zerr.ErrTypeAssertionFailed
@@ -86,7 +86,7 @@ func NewDynamoDBCache(parameters interface{}, log zlog.Logger) (*DynamoDBDriver,
 	cfg, err := config.LoadDefaultConfig(context.Background(), config.WithRegion(properParameters.Region),
 		config.WithEndpointResolverWithOptions(customResolver))
 	if err != nil {
-		log.Error().Err(err).Msg("unable to load AWS SDK config for dynamodb")
+		log.Error().Err(err).Msg("failed to load AWS SDK config for dynamodb")
 
 		return nil, err
 	}
@@ -95,7 +95,7 @@ func NewDynamoDBCache(parameters interface{}, log zlog.Logger) (*DynamoDBDriver,
 
 	err = driver.NewTable(driver.tableName)
 	if err != nil {
-		log.Error().Err(err).Str("tableName", driver.tableName).Msg("unable to create table for cache")
+		log.Error().Err(err).Str("tableName", driver.tableName).Msg("failed to create table for cache")
 
 		return nil, err
 	}
@@ -143,7 +143,8 @@ func (d *DynamoDBDriver) GetBlob(digest godigest.Digest) (string, error) {
 
 func (d *DynamoDBDriver) PutBlob(digest godigest.Digest, path string) error {
 	if path == "" {
-		d.log.Error().Err(zerr.ErrEmptyValue).Str("digest", digest.String()).Msg("empty path provided")
+		d.log.Error().Err(zerr.ErrEmptyValue).Str("digest", digest.String()).
+			Msg("failed to put blob because the path provided is empty")
 
 		return zerr.ErrEmptyValue
 	}
@@ -159,7 +160,7 @@ func (d *DynamoDBDriver) PutBlob(digest godigest.Digest, path string) error {
 	attrPath := types.AttributeValueMemberSS{Value: []string{path}}
 
 	if err := d.updateItem(digest, expression, map[string]types.AttributeValue{":i": &attrPath}); err != nil {
-		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("unable to put blob")
+		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("failed to put blob")
 
 		return err
 	}
@@ -183,7 +184,7 @@ func (d *DynamoDBDriver) HasBlob(digest godigest.Digest, path string) bool {
 	out := Blob{}
 
 	if resp.Item == nil {
-		d.log.Debug().Err(zerr.ErrCacheMiss).Str("digest", string(digest)).Msg("unable to find blob in cache")
+		d.log.Debug().Err(zerr.ErrCacheMiss).Str("digest", string(digest)).Msg("failed to find blob in cache")
 
 		return false
 	}
@@ -200,7 +201,7 @@ func (d *DynamoDBDriver) HasBlob(digest godigest.Digest, path string) bool {
 		}
 	}
 
-	d.log.Debug().Err(zerr.ErrCacheMiss).Str("digest", string(digest)).Msg("unable to find blob in cache")
+	d.log.Debug().Err(zerr.ErrCacheMiss).Str("digest", string(digest)).Msg("failed to find blob in cache")
 
 	return false
 }
@@ -212,7 +213,7 @@ func (d *DynamoDBDriver) DeleteBlob(digest godigest.Digest, path string) error {
 	attrPath := types.AttributeValueMemberSS{Value: []string{path}}
 
 	if err := d.updateItem(digest, expression, map[string]types.AttributeValue{":i": &attrPath}); err != nil {
-		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("unable to delete")
+		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("failed to delete")
 
 		return err
 	}
@@ -274,7 +275,7 @@ func (d *DynamoDBDriver) putOriginBlob(digest godigest.Digest, path string) erro
 	attrPath := types.AttributeValueMemberS{Value: path}
 
 	if err := d.updateItem(digest, expression, map[string]types.AttributeValue{":s": &attrPath}); err != nil {
-		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("unable to put original blob")
+		d.log.Error().Err(err).Str("digest", digest.String()).Str("path", path).Msg("failed to put original blob")
 
 		return err
 	}

pkg/storage/common/common.go

@@ -85,13 +85,13 @@ func ValidateManifest(imgStore storageTypes.ImageStore, repo, reference, mediaTy
 
 		// validate manifest
 		if err := ValidateManifestSchema(body); err != nil {
-			log.Error().Err(err).Msg("OCIv1 image manifest schema validation failed")
+			log.Error().Err(err).Msg("failed to validate OCIv1 image manifest schema")
 
 			return "", zerr.NewError(zerr.ErrBadManifest).AddDetail("jsonSchemaValidation", err.Error())
 		}
 
 		if err := json.Unmarshal(body, &manifest); err != nil {
-			log.Error().Err(err).Msg("unable to unmarshal JSON")
+			log.Error().Err(err).Msg("failed to unmarshal JSON")
 
 			return "", zerr.ErrBadManifest
 		}
@@ -102,7 +102,8 @@ func ValidateManifest(imgStore storageTypes.ImageStore, repo, reference, mediaTy
 			// validate config blob - a lightweight check if the blob is present
 			ok, _, _, err := imgStore.StatBlob(repo, manifest.Config.Digest)
 			if !ok || err != nil {
-				log.Error().Err(err).Str("digest", manifest.Config.Digest.String()).Msg("missing config blob")
+				log.Error().Err(err).Str("digest", manifest.Config.Digest.String()).
+					Msg("failed to stat blob due to missing config blob")
 
 				return "", zerr.ErrBadManifest
 			}
@@ -118,7 +119,8 @@ func ValidateManifest(imgStore storageTypes.ImageStore, repo, reference, mediaTy
 
 				ok, _, _, err := imgStore.StatBlob(repo, layer.Digest)
 				if !ok || err != nil {
-					log.Error().Err(err).Str("digest", layer.Digest.String()).Msg("missing layer blob")
+					log.Error().Err(err).Str("digest", layer.Digest.String()).
+						Msg("failed to validate manifest due to missing layer blob")
 
 					return "", zerr.ErrBadManifest
 				}
@@ -127,28 +129,29 @@ func ValidateManifest(imgStore storageTypes.ImageStore, repo, reference, mediaTy
 	case oras.MediaTypeArtifactManifest:
 		var m oras.Descriptor
 		if err := json.Unmarshal(body, &m); err != nil {
-			log.Error().Err(err).Msg("unable to unmarshal JSON")
+			log.Error().Err(err).Msg("failed to unmarshal JSON")
 
 			return "", zerr.ErrBadManifest
 		}
 	case ispec.MediaTypeImageIndex:
 		// validate manifest
 		if err := ValidateImageIndexSchema(body); err != nil {
-			log.Error().Err(err).Msg("OCIv1 image index manifest schema validation failed")
+			log.Error().Err(err).Msg("failed to validate OCIv1 image index manifest schema")
 
 			return "", zerr.NewError(zerr.ErrBadManifest).AddDetail("jsonSchemaValidation", err.Error())
 		}
 
 		var indexManifest ispec.Index
 		if err := json.Unmarshal(body, &indexManifest); err != nil {
-			log.Error().Err(err).Msg("unable to unmarshal JSON")
+			log.Error().Err(err).Msg("failed to unmarshal JSON")
 
 			return "", zerr.ErrBadManifest
 		}
 
 		for _, manifest := range indexManifest.Manifests {
 			if ok, _, _, err := imgStore.StatBlob(repo, manifest.Digest); !ok || err != nil {
-				log.Error().Err(err).Str("digest", manifest.Digest.String()).Msg("missing manifest blob")
+				log.Error().Err(err).Str("digest", manifest.Digest.String()).
+					Msg("failed to stat manifest due to missing manifest blob")
 
 				return "", zerr.ErrBadManifest
 			}
@@ -165,7 +168,7 @@ func GetAndValidateRequestDigest(body []byte, digestStr string, log zlog.Logger)
 	if err == nil {
 		if d.String() != bodyDigest.String() {
 			log.Error().Str("actual", bodyDigest.String()).Str("expected", d.String()).
-				Msg("manifest digest is not valid")
+				Msg("failed to validate manifest digest")
 
 			return "", zerr.ErrBadManifest
 		}
@@ -483,8 +486,8 @@ func isBlobReferencedInImageManifest(imgStore storageTypes.ImageStore, repo stri
 
 	manifestContent, err := GetImageManifest(imgStore, repo, mdigest, log)
 	if err != nil {
-		log.Error().Err(err).Str("repo", repo).Str("digest", mdigest.String()).
+		log.Error().Err(err).Str("repo", repo).Str("digest", mdigest.String()).Str("component", "gc").
-			Msg("gc: failed to read manifest image")
+			Msg("failed to read manifest image")
 
 		return false, err
 	}
@@ -511,8 +514,8 @@ func isBlobReferencedInORASManifest(imgStore storageTypes.ImageStore, repo strin
 
 	manifestContent, err := GetOrasManifestByDigest(imgStore, repo, mdigest, log)
 	if err != nil {
-		log.Error().Err(err).Str("repo", repo).Str("digest", mdigest.String()).
+		log.Error().Err(err).Str("repo", repo).Str("digest", mdigest.String()).Str("component", "gc").
-			Msg("gc: failed to read manifest image")
+			Msg("failed to read manifest image")
 
 		return false, err
 	}
@@ -978,14 +981,14 @@ func (gen *DedupeTaskGenerator) Next() (scheduler.Task, error) {
 		gen.repos, err = gen.ImgStore.GetRepositories()
 		if err != nil {
 			//nolint: dupword
-			gen.Log.Error().Err(err).Msg("dedupe rebuild: unable to to get list of repositories")
+			gen.Log.Error().Err(err).Str("component", "dedupe").Msg("failed to get list of repositories")
 
 			return nil, err
 		}
 
 		// if still no repos
 		if len(gen.repos) == 0 {
-			gen.Log.Info().Msg("dedupe rebuild: no repositories found in storage, finished.")
+			gen.Log.Info().Str("component", "dedupe").Msg("no repositories found in storage, finished.")
 
 			// no repositories in storage, no need to continue
 			gen.done = true
@@ -997,14 +1000,14 @@ func (gen *DedupeTaskGenerator) Next() (scheduler.Task, error) {
 	// get all blobs from storage.imageStore and group them by digest
 	gen.digest, gen.duplicateBlobs, err = gen.ImgStore.GetNextDigestWithBlobPaths(gen.repos, gen.lastDigests)
 	if err != nil {
-		gen.Log.Error().Err(err).Msg("dedupe rebuild: failed to get next digest")
+		gen.Log.Error().Err(err).Str("component", "dedupe").Msg("failed to get next digest")
 
 		return nil, err
 	}
 
 	// if no digests left, then mark the task generator as done
 	if gen.digest == "" {
-		gen.Log.Info().Msg("dedupe rebuild: finished")
+		gen.Log.Info().Str("component", "dedupe").Msg("finished")
 
 		gen.done = true
 
@@ -1055,7 +1058,8 @@ func (dt *dedupeTask) DoWork(ctx context.Context) error {
 	err := dt.imgStore.RunDedupeForDigest(ctx, dt.digest, dt.dedupe, dt.duplicateBlobs) //nolint: contextcheck
 	if err != nil {
 		// log it
-		dt.log.Error().Err(err).Str("digest", dt.digest.String()).Msg("rebuild dedupe: failed to rebuild digest")
+		dt.log.Error().Err(err).Str("digest", dt.digest.String()).Str("component", "dedupe").
+			Msg("failed to rebuild digest")
 	}
 
 	return err
@@ -1095,7 +1099,7 @@ func (gen *StorageMetricsInitGenerator) Next() (scheduler.Task, error) {
 		return nil, err
 	}
 
-	gen.Log.Debug().Str("repo", repo).Int("randomDelay", delay).Msg("StorageMetricsInitGenerator")
+	gen.Log.Debug().Str("repo", repo).Int("randomDelay", delay).Msg("generate task for storage metrics")
 
 	if repo == "" {
 		gen.done = true
@@ -1137,7 +1141,7 @@ func NewStorageMetricsTask(imgStore storageTypes.ImageStore, metrics monitoring.
 func (smt *smTask) DoWork(ctx context.Context) error {
 	// run task
 	monitoring.SetStorageUsage(smt.metrics, smt.imgStore.RootDir(), smt.repo)
-	smt.log.Debug().Msg("monitoring: computed storage usage for repo " + smt.repo)
+	smt.log.Debug().Str("component", "monitoring").Msg("computed storage usage for repo " + smt.repo)
 
 	return nil
 }

pkg/storage/gc/gc.go

@@ -85,7 +85,7 @@ func (gc GarbageCollect) CleanRepo(ctx context.Context, repo string) error {
 		Msg(fmt.Sprintf("executing GC of orphaned blobs for %s", path.Join(gc.imgStore.RootDir(), repo)))
 
 	if err := gc.cleanRepo(ctx, repo); err != nil {
-		errMessage := fmt.Sprintf("error while running GC for %s", path.Join(gc.imgStore.RootDir(), repo))
+		errMessage := fmt.Sprintf("failed to run GC for %s", path.Join(gc.imgStore.RootDir(), repo))
 		gc.log.Error().Err(err).Str("module", "gc").Msg(errMessage)
 		gc.log.Info().Str("module", "gc").
 			Msg(fmt.Sprintf("GC unsuccessfully completed for %s", path.Join(gc.imgStore.RootDir(), repo)))
@@ -121,7 +121,7 @@ func (gc GarbageCollect) cleanRepo(ctx context.Context, repo string) error {
 	*/
 	index, err := common.GetIndex(gc.imgStore, repo, gc.log)
 	if err != nil {
-		gc.log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("unable to read index.json in repo")
+		gc.log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("failed to read index.json in repo")
 
 		return err
 	}
@@ -360,7 +360,8 @@ func (gc GarbageCollect) removeTagsPerRetentionPolicy(ctx context.Context, repo
 
 	repoMeta, err := gc.metaDB.GetRepoMeta(ctx, repo)
 	if err != nil {
-		gc.log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("can't retrieve repoMeta for repo")
+		gc.log.Error().Err(err).Str("module", "gc").Str("repository", repo).
+			Msg("failed to get repoMeta")
 
 		return err
 	}
@@ -435,14 +436,16 @@ func (gc GarbageCollect) removeManifest(repo string, index *ispec.Index,
 				SignatureType:   signatureType,
 			})
 			if err != nil {
-				gc.log.Error().Err(err).Str("module", "gc").Msg("metadb: unable to remove signature in metaDB")
+				gc.log.Error().Err(err).Str("module", "gc").Str("component", "metadb").
+					Msg("failed to remove signature in metaDB")
 
 				return false, err
 			}
 		} else {
 			err := gc.metaDB.RemoveRepoReference(repo, reference, desc.Digest)
 			if err != nil {
-				gc.log.Error().Err(err).Str("module", "gc").Msg("metadb: unable to remove repo reference in metaDB")
+				gc.log.Error().Err(err).Str("module", "gc").Str("component", "metadb").
+					Msg("failed to remove repo reference in metaDB")
 
 				return false, err
 			}
@@ -553,14 +556,14 @@ func (gc GarbageCollect) removeUnreferencedBlobs(repo string, delay time.Duratio
 
 	index, err := common.GetIndex(gc.imgStore, repo, gc.log)
 	if err != nil {
-		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("unable to read index.json in repo")
+		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("failed to read index.json in repo")
 
 		return err
 	}
 
 	err = gc.addIndexBlobsToReferences(repo, index, refBlobs)
 	if err != nil {
-		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("unable to get referenced blobs in repo")
+		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("failed to get referenced blobs in repo")
 
 		return err
 	}
@@ -572,7 +575,7 @@ func (gc GarbageCollect) removeUnreferencedBlobs(repo string, delay time.Duratio
 			return nil
 		}
 
-		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("unable to get all blobs")
+		log.Error().Err(err).Str("module", "gc").Str("repository", repo).Msg("failed to get all blobs")
 
 		return err
 	}
@@ -583,7 +586,7 @@ func (gc GarbageCollect) removeUnreferencedBlobs(repo string, delay time.Duratio
 		digest := godigest.NewDigestFromEncoded(godigest.SHA256, blob)
 		if err = digest.Validate(); err != nil {
 			log.Error().Err(err).Str("module", "gc").Str("repository", repo).Str("digest", blob).
-				Msg("unable to parse digest")
+				Msg("failed to parse digest")
 
 			return err
 		}
@@ -592,7 +595,7 @@ func (gc GarbageCollect) removeUnreferencedBlobs(repo string, delay time.Duratio
 			canGC, err := isBlobOlderThan(gc.imgStore, repo, digest, delay, log)
 			if err != nil {
 				log.Error().Err(err).Str("module", "gc").Str("repository", repo).Str("digest", blob).
-					Msg("unable to determine GC delay")
+					Msg("failed to determine GC delay")
 
 				return err
 			}

pkg/storage/imagestore/imagestore.go

@@ -72,7 +72,7 @@ func NewImageStore(rootDir string, cacheDir string, dedupe, commit bool, log zlo
 	metrics monitoring.MetricServer, linter common.Lint, storeDriver storageTypes.Driver, cacheDriver cache.Cache,
 ) storageTypes.ImageStore {
 	if err := storeDriver.EnsureDir(rootDir); err != nil {
-		log.Error().Err(err).Str("rootDir", rootDir).Msg("unable to create root dir")
+		log.Error().Err(err).Str("rootDir", rootDir).Msg("failed to create root dir")
 
 		return nil
 	}
@@ -130,7 +130,7 @@ func (is *ImageStore) initRepo(name string) error {
 	repoDir := path.Join(is.rootDir, name)
 
 	if !utf8.ValidString(name) {
-		is.log.Error().Msg("input is not valid UTF-8")
+		is.log.Error().Msg("invalid UTF-8 input")
 
 		return zerr.ErrInvalidRepositoryName
 	}
@@ -144,14 +144,14 @@ func (is *ImageStore) initRepo(name string) error {
 	// create "blobs" subdir
 	err := is.storeDriver.EnsureDir(path.Join(repoDir, "blobs"))
 	if err != nil {
-		is.log.Error().Err(err).Msg("error creating blobs subdir")
+		is.log.Error().Err(err).Str("repository", name).Str("dir", repoDir).Msg("failed to create blobs subdir")
 
 		return err
 	}
 	// create BlobUploadDir subdir
 	err = is.storeDriver.EnsureDir(path.Join(repoDir, storageConstants.BlobUploadDir))
 	if err != nil {
-		is.log.Error().Err(err).Msg("error creating blob upload subdir")
+		is.log.Error().Err(err).Msg("failed to create blob upload subdir")
 
 		return err
 	}
@@ -163,13 +163,13 @@ func (is *ImageStore) initRepo(name string) error {
 
 		buf, err := json.Marshal(il)
 		if err != nil {
-			is.log.Error().Err(err).Msg("unable to marshal JSON")
+			is.log.Error().Err(err).Msg("failed to marshal JSON")
 
 			return err
 		}
 
 		if _, err := is.storeDriver.WriteFile(ilPath, buf); err != nil {
-			is.log.Error().Err(err).Str("file", ilPath).Msg("unable to write file")
+			is.log.Error().Err(err).Str("file", ilPath).Msg("failed to write file")
 
 			return err
 		}
@@ -183,13 +183,13 @@ func (is *ImageStore) initRepo(name string) error {
 
 		buf, err := json.Marshal(index)
 		if err != nil {
-			is.log.Error().Err(err).Msg("unable to marshal JSON")
+			is.log.Error().Err(err).Msg("failed to marshal JSON")
 
 			return err
 		}
 
 		if _, err := is.storeDriver.WriteFile(indexPath, buf); err != nil {
-			is.log.Error().Err(err).Str("file", ilPath).Msg("unable to write file")
+			is.log.Error().Err(err).Str("file", ilPath).Msg("failed to write file")
 
 			return err
 		}
@@ -225,7 +225,7 @@ func (is *ImageStore) ValidateRepo(name string) (bool, error) {
 
 	files, err := is.storeDriver.List(dir)
 	if err != nil {
-		is.log.Error().Err(err).Str("dir", dir).Msg("unable to read directory")
+		is.log.Error().Err(err).Str("dir", dir).Msg("failed to read directory")
 
 		return false, zerr.ErrRepoNotFound
 	}
@@ -350,7 +350,7 @@ func (is *ImageStore) GetNextRepository(repo string) (string, error) {
 			return "", nil
 		}
 
-		is.log.Error().Err(err).Msg("failure walking storage root-dir")
+		is.log.Error().Err(err).Str("root-dir", dir).Msg("failed to walk storage root-dir")
 
 		return "", err
 	}
@@ -581,7 +581,7 @@ func (is *ImageStore) PutImageManifest(repo, reference, mediaType string, //noli
 	manifestPath := path.Join(dir, mDigest.Encoded())
 
 	if _, err = is.storeDriver.WriteFile(manifestPath, body); err != nil {
-		is.log.Error().Err(err).Str("file", manifestPath).Msg("unable to write")
+		is.log.Error().Err(err).Str("file", manifestPath).Msg("failed to write")
 
 		return "", "", err
 	}
@@ -600,7 +600,8 @@ func (is *ImageStore) PutImageManifest(repo, reference, mediaType string, //noli
 	// apply linter only on images, not signatures
 	pass, err := common.ApplyLinter(is, is.linter, repo, desc)
 	if !pass {
-		is.log.Error().Err(err).Str("repository", repo).Str("reference", reference).Msg("linter didn't pass")
+		is.log.Error().Err(err).Str("repository", repo).Str("reference", reference).
+			Msg("linter didn't pass")
 
 		return "", "", err
 	}
@@ -678,7 +679,7 @@ func (is *ImageStore) deleteImageManifest(repo, reference string, detectCollisio
 	}
 
 	if _, err := is.storeDriver.WriteFile(file, buf); err != nil {
-		is.log.Debug().Str("reference", reference).Str("repo", repo).Msg("error while updating index.json")
+		is.log.Debug().Str("reference", reference).Str("repository", repo).Msg("failed to update index.json")
 
 		return err
 	}
@@ -718,7 +719,7 @@ func (is *ImageStore) BlobUploadPath(repo, uuid string) string {
 // NewBlobUpload returns the unique ID for an upload in progress.
 func (is *ImageStore) NewBlobUpload(repo string) (string, error) {
 	if err := is.InitRepo(repo); err != nil {
-		is.log.Error().Err(err).Msg("error initializing repo")
+		is.log.Error().Err(err).Msg("failed to initialize repo")
 
 		return "", err
 	}
@@ -750,7 +751,7 @@ func (is *ImageStore) GetBlobUpload(repo, uuid string) (int64, error) {
 	blobUploadPath := is.BlobUploadPath(repo, uuid)
 
 	if !utf8.ValidString(blobUploadPath) {
-		is.log.Error().Msg("input is not valid UTF-8")
+		is.log.Error().Msg("invalid UTF-8 input")
 
 		return -1, zerr.ErrInvalidRepositoryName
 	}
@@ -900,7 +901,7 @@ func (is *ImageStore) FinishBlobUpload(repo, uuid string, body io.Reader, dstDig
 
 	err = is.storeDriver.EnsureDir(dir)
 	if err != nil {
-		is.log.Error().Err(err).Msg("error creating blobs/sha256 dir")
+		is.log.Error().Err(err).Str("dir", dir).Msg("failed to create dir")
 
 		return err
 	}
@@ -916,14 +917,14 @@ func (is *ImageStore) FinishBlobUpload(repo, uuid string, body io.Reader, dstDig
 		err = is.DedupeBlob(src, dstDigest, repo, dst)
 		if err := inject.Error(err); err != nil {
 			is.log.Error().Err(err).Str("src", src).Str("dstDigest", dstDigest.String()).
-				Str("dst", dst).Msg("unable to dedupe blob")
+				Str("dst", dst).Msg("failed to dedupe blob")
 
 			return err
 		}
 	} else {
 		if err := is.storeDriver.Move(src, dst); err != nil {
 			is.log.Error().Err(err).Str("src", src).Str("dstDigest", dstDigest.String()).
-				Str("dst", dst).Msg("unable to finish blob")
+				Str("dst", dst).Msg("failed to finish blob")
 
 			return err
 		}
@@ -968,7 +969,7 @@ func (is *ImageStore) FullBlobUpload(repo string, body io.Reader, dstDigest godi
 
 	_, err = digester.Write(buf.Bytes())
 	if err != nil {
-		is.log.Error().Err(err).Msg("digester failed to write")
+		is.log.Error().Err(err).Str("component", "digester").Msg("failed to write")
 
 		return "", -1, err
 	}
@@ -994,14 +995,14 @@ func (is *ImageStore) FullBlobUpload(repo string, body io.Reader, dstDigest godi
 	if is.dedupe && fmt.Sprintf("%v", is.cache) != fmt.Sprintf("%v", nil) {
 		if err := is.DedupeBlob(src, dstDigest, repo, dst); err != nil {
 			is.log.Error().Err(err).Str("src", src).Str("dstDigest", dstDigest.String()).
-				Str("dst", dst).Msg("unable to dedupe blob")
+				Str("dst", dst).Msg("failed to dedupe blob")
 
 			return "", -1, err
 		}
 	} else {
 		if err := is.storeDriver.Move(src, dst); err != nil {
 			is.log.Error().Err(err).Str("src", src).Str("dstDigest", dstDigest.String()).
-				Str("dst", dst).Msg("unable to finish blob")
+				Str("dst", dst).Msg("failed to finish blob")
 
 			return "", -1, err
 		}
@@ -1012,11 +1013,11 @@ func (is *ImageStore) FullBlobUpload(repo string, body io.Reader, dstDigest godi
 
 func (is *ImageStore) DedupeBlob(src string, dstDigest godigest.Digest, dstRepo string, dst string) error {
 retry:
-	is.log.Debug().Str("src", src).Str("dstDigest", dstDigest.String()).Str("dst", dst).Msg("dedupe: enter")
+	is.log.Debug().Str("src", src).Str("dstDigest", dstDigest.String()).Str("dst", dst).Msg("dedupe begin")
 
 	dstRecord, err := is.cache.GetBlob(dstDigest)
 	if err := inject.Error(err); err != nil && !errors.Is(err, zerr.ErrCacheMiss) {
-		is.log.Error().Err(err).Str("blobPath", dst).Msg("dedupe: unable to lookup blob record")
+		is.log.Error().Err(err).Str("blobPath", dst).Str("component", "dedupe").Msg("failed to lookup blob record")
 
 		return err
 	}
@@ -1024,19 +1025,21 @@ retry:
 	if dstRecord == "" {
 		// cache record doesn't exist, so first disk and cache entry for this digest
 		if err := is.cache.PutBlob(dstDigest, dst); err != nil {
-			is.log.Error().Err(err).Str("blobPath", dst).Msg("dedupe: unable to insert blob record")
+			is.log.Error().Err(err).Str("blobPath", dst).Str("component", "dedupe").
+				Msg("failed to insert blob record")
 
 			return err
 		}
 
 		// move the blob from uploads to final dest
 		if err := is.storeDriver.Move(src, dst); err != nil {
-			is.log.Error().Err(err).Str("src", src).Str("dst", dst).Msg("dedupe: unable to rename blob")
+			is.log.Error().Err(err).Str("src", src).Str("dst", dst).Str("component", "dedupe").
+				Msg("failed to rename blob")
 
 			return err
 		}
 
-		is.log.Debug().Str("src", src).Str("dst", dst).Msg("dedupe: rename")
+		is.log.Debug().Str("src", src).Str("dst", dst).Str("component", "dedupe").Msg("rename")
 	} else {
 		// cache record exists, but due to GC and upgrades from older versions,
 		// disk content and cache records may go out of sync
@@ -1046,12 +1049,13 @@ retry:
 
 		blobInfo, err := is.storeDriver.Stat(dstRecord)
 		if err != nil {
-			is.log.Error().Err(err).Str("blobPath", dstRecord).Msg("dedupe: unable to stat")
+			is.log.Error().Err(err).Str("blobPath", dstRecord).Str("component", "dedupe").Msg("failed to stat")
 			// the actual blob on disk may have been removed by GC, so sync the cache
 			err := is.cache.DeleteBlob(dstDigest, dstRecord)
 			if err = inject.Error(err); err != nil {
 				//nolint:lll
-				is.log.Error().Err(err).Str("dstDigest", dstDigest.String()).Str("dst", dst).Msg("dedupe: unable to delete blob record")
+				is.log.Error().Err(err).Str("dstDigest", dstDigest.String()).Str("dst", dst).
+					Str("component", "dedupe").Msg("failed to delete blob record")
 
 				return err
 			}
@@ -1062,13 +1066,15 @@ retry:
 		// prevent overwrite original blob
 		if !is.storeDriver.SameFile(dst, dstRecord) {
 			if err := is.storeDriver.Link(dstRecord, dst); err != nil {
-				is.log.Error().Err(err).Str("blobPath", dstRecord).Msg("dedupe: unable to link blobs")
+				is.log.Error().Err(err).Str("blobPath", dstRecord).Str("component", "dedupe").
+					Msg("failed to link blobs")
 
 				return err
 			}
 
 			if err := is.cache.PutBlob(dstDigest, dst); err != nil {
-				is.log.Error().Err(err).Str("blobPath", dst).Msg("dedupe: unable to insert blob record")
+				is.log.Error().Err(err).Str("blobPath", dst).Str("component", "dedupe").
+					Msg("failed to insert blob record")
 
 				return err
 			}
@@ -1078,12 +1084,13 @@ retry:
 				// blob corrupted, replace content
 				if desc.Size != blobInfo.Size() {
 					if err := is.storeDriver.Move(src, dst); err != nil {
-						is.log.Error().Err(err).Str("src", src).Str("dst", dst).Msg("dedupe: unable to rename blob")
+						is.log.Error().Err(err).Str("src", src).Str("dst", dst).Str("component", "dedupe").
+							Msg("failed to rename blob")
 
 						return err
 					}
 
-					is.log.Debug().Str("src", src).Msg("dedupe: remove")
+					is.log.Debug().Str("src", src).Str("component", "dedupe").Msg("remove")
 
 					return nil
 				}
@@ -1092,12 +1099,13 @@ retry:
 
 		// remove temp blobupload
 		if err := is.storeDriver.Delete(src); err != nil {
-			is.log.Error().Err(err).Str("src", src).Msg("dedupe: unable to remove blob")
+			is.log.Error().Err(err).Str("src", src).Str("component", "dedupe").
+				Msg("failed to remove blob")
 
 			return err
 		}
 
-		is.log.Debug().Str("src", src).Msg("dedupe: remove")
+		is.log.Debug().Str("src", src).Str("component", "dedupe").Msg("remove")
 	}
 
 	return nil
@@ -1119,7 +1127,7 @@ func (is *ImageStore) DeleteBlobUpload(repo, uuid string) error {
 	defer writer.Close()
 
 	if err := writer.Cancel(); err != nil {
-		is.log.Error().Err(err).Str("blobUploadPath", blobUploadPath).Msg("error deleting blob upload")
+		is.log.Error().Err(err).Str("blobUploadPath", blobUploadPath).Msg("failed to delete blob upload")
 
 		return err
 	}
@@ -1176,7 +1184,7 @@ func (is *ImageStore) CheckBlob(repo string, digest godigest.Digest) (bool, int6
 	// Check blobs in cache
 	dstRecord, err := is.checkCacheBlob(digest)
 	if err != nil {
-		is.log.Debug().Err(err).Str("digest", digest.String()).Msg("cache: not found")
+		is.log.Warn().Err(err).Str("digest", digest.String()).Msg("not found in cache")
 
 		return false, -1, zerr.ErrBlobNotFound
 	}
@@ -1188,7 +1196,7 @@ func (is *ImageStore) CheckBlob(repo string, digest godigest.Digest) (bool, int6
 
 	// put deduped blob in cache
 	if err := is.cache.PutBlob(digest, blobPath); err != nil {
-		is.log.Error().Err(err).Str("blobPath", blobPath).Msg("dedupe: unable to insert blob record")
+		is.log.Error().Err(err).Str("blobPath", blobPath).Str("component", "dedupe").Msg("failed to insert blob record")
 
 		return false, -1, err
 	}
@@ -1222,7 +1230,7 @@ func (is *ImageStore) StatBlob(repo string, digest godigest.Digest) (bool, int64
 	// Check blobs in cache
 	dstRecord, err := is.checkCacheBlob(digest)
 	if err != nil {
-		is.log.Debug().Err(err).Str("digest", digest.String()).Msg("cache: not found")
+		is.log.Warn().Err(err).Str("digest", digest.String()).Msg("not found in cache")
 
 		return false, -1, time.Time{}, zerr.ErrBlobNotFound
 	}
@@ -1261,7 +1269,7 @@ func (is *ImageStore) checkCacheBlob(digest godigest.Digest) (string, error) {
 		// the actual blob on disk may have been removed by GC, so sync the cache
 		if err := is.cache.DeleteBlob(digest, dstRecord); err != nil {
 			is.log.Error().Err(err).Str("digest", digest.String()).Str("blobPath", dstRecord).
-				Msg("unable to remove blob path from cache")
+				Msg("failed to remove blob path from cache")
 
 			return "", err
 		}
@@ -1269,14 +1277,15 @@ func (is *ImageStore) checkCacheBlob(digest godigest.Digest) (string, error) {
 		return "", zerr.ErrBlobNotFound
 	}
 
-	is.log.Debug().Str("digest", digest.String()).Str("dstRecord", dstRecord).Msg("cache: found dedupe record")
+	is.log.Debug().Str("digest", digest.String()).Str("dstRecord", dstRecord).Str("component", "cache").
+		Msg("found dedupe record")
 
 	return dstRecord, nil
 }
 
 func (is *ImageStore) copyBlob(repo string, blobPath, dstRecord string) (int64, error) {
 	if err := is.initRepo(repo); err != nil {
-		is.log.Error().Err(err).Str("repository", repo).Msg("unable to initialize an empty repo")
+		is.log.Error().Err(err).Str("repository", repo).Msg("failed to initialize an empty repo")
 
 		return -1, err
 	}
@@ -1284,7 +1293,8 @@ func (is *ImageStore) copyBlob(repo string, blobPath, dstRecord string) (int64,
 	_ = is.storeDriver.EnsureDir(filepath.Dir(blobPath))
 
 	if err := is.storeDriver.Link(dstRecord, blobPath); err != nil {
-		is.log.Error().Err(err).Str("blobPath", blobPath).Str("link", dstRecord).Msg("dedupe: unable to hard link")
+		is.log.Error().Err(err).Str("blobPath", blobPath).Str("link", dstRecord).Str("component", "dedupe").
+			Msg("failed to hard link")
 
 		return -1, zerr.ErrBlobNotFound
 	}
@@ -1325,7 +1335,7 @@ func (is *ImageStore) GetBlobPartial(repo string, digest godigest.Digest, mediaT
 		// Check blobs in cache
 		blobPath, err = is.checkCacheBlob(digest)
 		if err != nil {
-			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("cache: not found")
+			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("not found in cache")
 
 			return nil, -1, -1, zerr.ErrBlobNotFound
 		}
@@ -1395,7 +1405,7 @@ func (is *ImageStore) GetBlob(repo string, digest godigest.Digest, mediaType str
 		// Check blobs in cache
 		dstRecord, err := is.checkCacheBlob(digest)
 		if err != nil {
-			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("cache: not found")
+			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("not found in cache")
 
 			return nil, -1, zerr.ErrBlobNotFound
 		}
@@ -1448,7 +1458,7 @@ func (is *ImageStore) GetBlobContent(repo string, digest godigest.Digest) ([]byt
 		// Check blobs in cache
 		dstRecord, err := is.checkCacheBlob(digest)
 		if err != nil {
-			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("cache: not found")
+			is.log.Debug().Err(err).Str("digest", digest.String()).Msg("not found in cache")
 
 			return nil, zerr.ErrBlobNotFound
 		}
@@ -1493,7 +1503,7 @@ func (is *ImageStore) GetIndexContent(repo string) ([]byte, error) {
 	buf, err := is.storeDriver.ReadFile(path.Join(dir, "index.json"))
 	if err != nil {
 		if errors.Is(err, driver.PathNotFoundError{}) {
-			is.log.Error().Err(err).Str("dir", dir).Msg("index.json doesn't exist")
+			is.log.Error().Err(err).Str("dir", dir).Msg("failed to read index.json")
 
 			return []byte{}, zerr.ErrRepoNotFound
 		}
@@ -1512,7 +1522,7 @@ func (is *ImageStore) StatIndex(repo string) (bool, int64, time.Time, error) {
 	fileInfo, err := is.storeDriver.Stat(repoIndexPath)
 	if err != nil {
 		if errors.As(err, &driver.PathNotFoundError{}) {
-			is.log.Error().Err(err).Str("indexFile", repoIndexPath).Msg("index.json doesn't exist")
+			is.log.Error().Err(err).Str("indexFile", repoIndexPath).Msg("failed to stat index.json")
 
 			return false, 0, time.Time{}, zerr.ErrRepoNotFound
 		}
@@ -1532,13 +1542,13 @@ func (is *ImageStore) PutIndexContent(repo string, index ispec.Index) error {
 
 	buf, err := json.Marshal(index)
 	if err != nil {
-		is.log.Error().Err(err).Str("file", indexPath).Msg("unable to marshal JSON")
+		is.log.Error().Err(err).Str("file", indexPath).Msg("failed to marshal JSON")
 
 		return err
 	}
 
 	if _, err = is.storeDriver.WriteFile(indexPath, buf); err != nil {
-		is.log.Error().Err(err).Str("file", indexPath).Msg("unable to write")
+		is.log.Error().Err(err).Str("file", indexPath).Msg("failed to write")
 
 		return err
 	}
@@ -1578,14 +1588,14 @@ func (is *ImageStore) CleanupRepo(repo string, blobs []godigest.Digest, removeRe
 						continue
 					}
 
-					is.log.Error().Err(err).Str("repository", repo).Str("digest", digest.String()).Msg("unable to delete manifest")
+					is.log.Error().Err(err).Str("repository", repo).Str("digest", digest.String()).Msg("failed to delete manifest")
 
 					return count, err
 				}
 
 				count++
 			} else {
-				is.log.Error().Err(err).Str("repository", repo).Str("digest", digest.String()).Msg("unable to delete blob")
+				is.log.Error().Err(err).Str("repository", repo).Str("digest", digest.String()).Msg("failed to delete blob")
 
 				return count, err
 			}
@@ -1596,7 +1606,7 @@ func (is *ImageStore) CleanupRepo(repo string, blobs []godigest.Digest, removeRe
 
 	blobUploads, err := is.storeDriver.List(path.Join(is.RootDir(), repo, storageConstants.BlobUploadDir))
 	if err != nil {
-		is.log.Debug().Str("repository", repo).Msg("unable to list .uploads/ dir")
+		is.log.Debug().Str("repository", repo).Msg("failed to list .uploads/ dir")
 	}
 
 	// if removeRepo flag is true and we cleanup all blobs and there are no blobs currently being uploaded.
@@ -1604,7 +1614,7 @@ func (is *ImageStore) CleanupRepo(repo string, blobs []godigest.Digest, removeRe
 		is.log.Info().Str("repository", repo).Msg("removed all blobs, removing repo")
 
 		if err := is.storeDriver.Delete(path.Join(is.rootDir, repo)); err != nil {
-			is.log.Error().Err(err).Str("repository", repo).Msg("unable to remove repo")
+			is.log.Error().Err(err).Str("repository", repo).Msg("failed to remove repo")
 
 			return count, err
 		}
@@ -1631,7 +1641,8 @@ func (is *ImageStore) deleteBlob(repo string, digest godigest.Digest) error {
 	if fmt.Sprintf("%v", is.cache) != fmt.Sprintf("%v", nil) {
 		dstRecord, err := is.cache.GetBlob(digest)
 		if err != nil && !errors.Is(err, zerr.ErrCacheMiss) {
-			is.log.Error().Err(err).Str("blobPath", dstRecord).Msg("dedupe: unable to lookup blob record")
+			is.log.Error().Err(err).Str("blobPath", dstRecord).Str("component", "dedupe").
+				Msg("failed to lookup blob record")
 
 			return err
 		}
@@ -1640,7 +1651,7 @@ func (is *ImageStore) deleteBlob(repo string, digest godigest.Digest) error {
 		if ok := is.cache.HasBlob(digest, blobPath); ok {
 			if err := is.cache.DeleteBlob(digest, blobPath); err != nil {
 				is.log.Error().Err(err).Str("digest", digest.String()).Str("blobPath", blobPath).
-					Msg("unable to remove blob path from cache")
+					Msg("failed to remove blob path from cache")
 
 				return err
 			}
@@ -1651,7 +1662,8 @@ func (is *ImageStore) deleteBlob(repo string, digest godigest.Digest) error {
 			// get next candidate
 			dstRecord, err := is.cache.GetBlob(digest)
 			if err != nil && !errors.Is(err, zerr.ErrCacheMiss) {
-				is.log.Error().Err(err).Str("blobPath", dstRecord).Msg("dedupe: unable to lookup blob record")
+				is.log.Error().Err(err).Str("blobPath", dstRecord).Str("component", "dedupe").
+					Msg("failed to lookup blob record")
 
 				return err
 			}
@@ -1662,14 +1674,16 @@ func (is *ImageStore) deleteBlob(repo string, digest godigest.Digest) error {
 				(in case of filesystem, this should not be needed */
 				binfo, err := is.storeDriver.Stat(dstRecord)
 				if err != nil {
-					is.log.Error().Err(err).Str("path", blobPath).Msg("rebuild dedupe: failed to stat blob")
+					is.log.Error().Err(err).Str("path", blobPath).Str("component", "dedupe").
+						Msg("failed to stat blob")
 
 					return err
 				}
 
 				if binfo.Size() == 0 {
 					if err := is.storeDriver.Move(blobPath, dstRecord); err != nil {
-						is.log.Error().Err(err).Str("blobPath", blobPath).Msg("unable to remove blob path")
+						is.log.Error().Err(err).Str("blobPath", blobPath).Str("component", "dedupe").
+							Msg("failed to remove blob path")
 
 						return err
 					}
@@ -1681,7 +1695,7 @@ func (is *ImageStore) deleteBlob(repo string, digest godigest.Digest) error {
 	}
 
 	if err := is.storeDriver.Delete(blobPath); err != nil {
-		is.log.Error().Err(err).Str("blobPath", blobPath).Msg("unable to remove blob path")
+		is.log.Error().Err(err).Str("blobPath", blobPath).Msg("failed to remove blob path")
 
 		return err
 	}
@@ -1787,7 +1801,7 @@ func (is *ImageStore) getOriginalBlobFromDisk(duplicateBlobs []string) (string,
 	for _, blobPath := range duplicateBlobs {
 		binfo, err := is.storeDriver.Stat(blobPath)
 		if err != nil {
-			is.log.Error().Err(err).Str("path", blobPath).Msg("rebuild dedupe: failed to stat blob")
+			is.log.Error().Err(err).Str("path", blobPath).Str("component", "storage").Msg("failed to stat blob")
 
 			return "", zerr.ErrBlobNotFound
 		}
@@ -1807,14 +1821,14 @@ func (is *ImageStore) getOriginalBlob(digest godigest.Digest, duplicateBlobs []s
 
 	originalBlob, err = is.checkCacheBlob(digest)
 	if err != nil && !errors.Is(err, zerr.ErrBlobNotFound) && !errors.Is(err, zerr.ErrCacheMiss) {
-		is.log.Error().Err(err).Msg("rebuild dedupe: unable to find blob in cache")
+		is.log.Error().Err(err).Str("component", "dedupe").Msg("failed to find blob in cache")
 
 		return originalBlob, err
 	}
 
 	// if we still don't have, search it
 	if originalBlob == "" {
-		is.log.Warn().Msg("rebuild dedupe: failed to find blob in cache, searching it in storage...")
+		is.log.Warn().Str("component", "dedupe").Msg("failed to find blob in cache, searching it in storage...")
 		// a rebuild dedupe was attempted in the past
 		// get original blob, should be found otherwise exit with error
 
@@ -1824,19 +1838,19 @@ func (is *ImageStore) getOriginalBlob(digest godigest.Digest, duplicateBlobs []s
 		}
 	}
 
-	is.log.Info().Str("originalBlob", originalBlob).Msg("rebuild dedupe: found original blob")
+	is.log.Info().Str("originalBlob", originalBlob).Str("component", "dedupe").Msg("found original blob")
 
 	return originalBlob, nil
 }
 
 func (is *ImageStore) dedupeBlobs(ctx context.Context, digest godigest.Digest, duplicateBlobs []string) error {
 	if fmt.Sprintf("%v", is.cache) == fmt.Sprintf("%v", nil) {
-		is.log.Error().Err(zerr.ErrDedupeRebuild).Msg("no cache driver found, can not dedupe blobs")
+		is.log.Error().Err(zerr.ErrDedupeRebuild).Msg("failed to dedupe blobs, no cache driver found")
 
 		return zerr.ErrDedupeRebuild
 	}
 
-	is.log.Info().Str("digest", digest.String()).Msg("rebuild dedupe: deduping blobs for digest")
+	is.log.Info().Str("digest", digest.String()).Str("component", "dedupe").Msg("deduping blobs for digest")
 
 	var originalBlob string
 
@@ -1848,19 +1862,19 @@ func (is *ImageStore) dedupeBlobs(ctx context.Context, digest godigest.Digest, d
 
 		binfo, err := is.storeDriver.Stat(blobPath)
 		if err != nil {
-			is.log.Error().Err(err).Str("path", blobPath).Msg("rebuild dedupe: failed to stat blob")
+			is.log.Error().Err(err).Str("path", blobPath).Str("component", "dedupe").Msg("failed to stat blob")
 
 			return err
 		}
 
 		if binfo.Size() == 0 {
-			is.log.Warn().Msg("rebuild dedupe: found file without content, trying to find the original blob")
+			is.log.Warn().Str("component", "dedupe").Msg("found file without content, trying to find the original blob")
 			// a rebuild dedupe was attempted in the past
 			// get original blob, should be found otherwise exit with error
 			if originalBlob == "" {
 				originalBlob, err = is.getOriginalBlob(digest, duplicateBlobs)
 				if err != nil {
-					is.log.Error().Err(err).Msg("rebuild dedupe: unable to find original blob")
+					is.log.Error().Err(err).Str("component", "dedupe").Msg("failed to find original blob")
 
 					return zerr.ErrDedupeRebuild
 				}
@@ -1883,7 +1897,7 @@ func (is *ImageStore) dedupeBlobs(ctx context.Context, digest godigest.Digest, d
 			// if we have an original blob cached then we can safely dedupe the rest of them
 			if originalBlob != "" {
 				if err := is.storeDriver.Link(originalBlob, blobPath); err != nil {
-					is.log.Error().Err(err).Str("path", blobPath).Msg("rebuild dedupe: unable to dedupe blob")
+					is.log.Error().Err(err).Str("path", blobPath).Str("component", "dedupe").Msg("failed to dedupe blob")
 
 					return err
 				}
@@ -1901,18 +1915,19 @@ func (is *ImageStore) dedupeBlobs(ctx context.Context, digest godigest.Digest, d
 		}
 	}
 
-	is.log.Info().Str("digest", digest.String()).Msg("rebuild dedupe: deduping blobs for digest finished successfully")
+	is.log.Info().Str("digest", digest.String()).Str("component", "dedupe").
+		Msg("deduping blobs for digest finished successfully")
 
 	return nil
 }
 
 func (is *ImageStore) restoreDedupedBlobs(ctx context.Context, digest godigest.Digest, duplicateBlobs []string) error {
-	is.log.Info().Str("digest", digest.String()).Msg("rebuild dedupe: restoring deduped blobs for digest")
+	is.log.Info().Str("digest", digest.String()).Str("component", "dedupe").Msg("restoring deduped blobs for digest")
 
 	// first we need to find the original blob, either in cache or by checking each blob size
 	originalBlob, err := is.getOriginalBlob(digest, duplicateBlobs)
 	if err != nil {
-		is.log.Error().Err(err).Msg("rebuild dedupe: unable to find original blob")
+		is.log.Error().Err(err).Str("component", "dedupe").Msg("failed to find original blob")
 
 		return zerr.ErrDedupeRebuild
 	}
@@ -1924,7 +1939,7 @@ func (is *ImageStore) restoreDedupedBlobs(ctx context.Context, digest godigest.D
 
 		binfo, err := is.storeDriver.Stat(blobPath)
 		if err != nil {
-			is.log.Error().Err(err).Str("path", blobPath).Msg("rebuild dedupe: failed to stat blob")
+			is.log.Error().Err(err).Str("path", blobPath).Str("component", "dedupe").Msg("failed to stat blob")
 
 			return err
 		}
@@ -1934,7 +1949,8 @@ func (is *ImageStore) restoreDedupedBlobs(ctx context.Context, digest godigest.D
 			// move content from original blob to deduped one
 			buf, err := is.storeDriver.ReadFile(originalBlob)
 			if err != nil {
-				is.log.Error().Err(err).Str("path", originalBlob).Msg("rebuild dedupe: failed to get original blob content")
+				is.log.Error().Err(err).Str("path", originalBlob).Str("component", "dedupe").
+					Msg("failed to get original blob content")
 
 				return err
 			}
@@ -1947,7 +1963,7 @@ func (is *ImageStore) restoreDedupedBlobs(ctx context.Context, digest godigest.D
 	}
 
 	is.log.Info().Str("digest", digest.String()).
-		Msg("rebuild dedupe: restoring deduped blobs for digest finished successfully")
+		Str("component", "dedupe").Msg("restoring deduped blobs for digest finished successfully")
 
 	return nil
 }

pkg/storage/local/local_test.go

@@ -2052,7 +2052,7 @@ func TestGarbageCollectForImageStore(t *testing.T) {
 			data, err := os.ReadFile(logFile.Name())
 			So(err, ShouldBeNil)
 			So(string(data), ShouldContainSubstring,
-				fmt.Sprintf("error while running GC for %s", path.Join(imgStore.RootDir(), repoName)))
+				fmt.Sprintf("failed to run GC for %s", path.Join(imgStore.RootDir(), repoName)))
 		})
 
 		Convey("Garbage collect error - not enough permissions to access index.json", func() {
@@ -2094,7 +2094,7 @@ func TestGarbageCollectForImageStore(t *testing.T) {
 			data, err := os.ReadFile(logFile.Name())
 			So(err, ShouldBeNil)
 			So(string(data), ShouldContainSubstring,
-				fmt.Sprintf("error while running GC for %s", path.Join(imgStore.RootDir(), repoName)))
+				fmt.Sprintf("failed to run GC for %s", path.Join(imgStore.RootDir(), repoName)))
 			So(os.Chmod(path.Join(dir, repoName, "index.json"), 0o755), ShouldBeNil)
 		})
 

pkg/storage/scrub_test.go

@@ -170,7 +170,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			actual := strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
 			// verify error message
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob: not found", manifestDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob not found", manifestDig))
 
 			index, err := common.GetIndex(imgStore, repoName, log)
 			So(err, ShouldBeNil)
@@ -180,7 +180,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 
 			imageRes := storage.CheckLayers(context.Background(), repoName, tag, manifestDescriptor, imgStore)
 			So(imageRes.Status, ShouldEqual, "affected")
-			So(imageRes.Error, ShouldEqual, "blob: not found")
+			So(imageRes.Error, ShouldEqual, "blob not found")
 
 			_, err = driver.WriteFile(manifestFile, []byte("invalid content"))
 			So(err, ShouldBeNil)
@@ -195,7 +195,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			actual = strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
 			// verify error message
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s manifest: invalid contents", manifestDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s invalid manifest content", manifestDig))
 
 			index, err = common.GetIndex(imgStore, repoName, log)
 			So(err, ShouldBeNil)
@@ -205,7 +205,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 
 			imageRes = storage.CheckLayers(context.Background(), repoName, tag, manifestDescriptor, imgStore)
 			So(imageRes.Status, ShouldEqual, "affected")
-			So(imageRes.Error, ShouldEqual, "manifest: invalid contents")
+			So(imageRes.Error, ShouldEqual, "invalid manifest content")
 		})
 
 		Convey("Config integrity affected", func() {
@@ -235,7 +235,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			str := space.ReplaceAllString(buff.String(), " ")
 			actual := strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob: not found", configDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob not found", configDig))
 
 			_, err = driver.WriteFile(configFile, []byte("invalid content"))
 			So(err, ShouldBeNil)
@@ -249,7 +249,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			str = space.ReplaceAllString(buff.String(), " ")
 			actual = strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s config: invalid config", configDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s invalid server config", configDig))
 		})
 
 		Convey("Layers integrity affected", func() {
@@ -279,7 +279,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			str := space.ReplaceAllString(buff.String(), " ")
 			actual := strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob: bad blob digest", layerDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s bad blob digest", layerDig))
 		})
 
 		Convey("Layer not found", func() {
@@ -307,7 +307,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 
 			imageRes := storage.CheckLayers(context.Background(), repoName, tag, manifestDescriptor, imgStore)
 			So(imageRes.Status, ShouldEqual, "affected")
-			So(imageRes.Error, ShouldEqual, "blob: not found")
+			So(imageRes.Error, ShouldEqual, "blob not found")
 
 			buff := bytes.NewBufferString("")
 
@@ -319,7 +319,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			str := space.ReplaceAllString(buff.String(), " ")
 			actual := strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob: not found", layerDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob not found", layerDig))
 		})
 
 		Convey("Scrub index", func() {
@@ -487,7 +487,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 			str := space.ReplaceAllString(buff.String(), " ")
 			actual := strings.TrimSpace(str)
 			So(actual, ShouldContainSubstring, "REPOSITORY TAG STATUS AFFECTED BLOB ERROR")
-			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob: not found", manifestDig))
+			So(actual, ShouldContainSubstring, fmt.Sprintf("test 1.0 affected %s blob not found", manifestDig))
 
 			index, err := common.GetIndex(imgStore, repoName, log)
 			So(err, ShouldBeNil)
@@ -497,7 +497,7 @@ func RunCheckAllBlobsIntegrityTests( //nolint: thelper
 
 			imageRes := storage.CheckLayers(context.Background(), repoName, tag, manifestDescriptor, imgStore)
 			So(imageRes.Status, ShouldEqual, "affected")
-			So(imageRes.Error, ShouldContainSubstring, "blob: not found")
+			So(imageRes.Error, ShouldContainSubstring, "blob not found")
 		})
 
 		Convey("use the result of an already scrubed manifest which is the subject of the current manifest", func() {

pkg/storage/storage.go

@@ -28,7 +28,8 @@ func New(config *config.Config, linter common.Lint, metrics monitoring.MetricSer
 
 	if config.Storage.RootDirectory == "" {
 		// we can't proceed without global storage
-		log.Error().Err(zerr.ErrImgStoreNotFound).Msg("controller: no storage config provided")
+		log.Error().Err(zerr.ErrImgStoreNotFound).Str("component", "controller").
+			Msg("no storage config provided")
 
 		return storeController, zerr.ErrImgStoreNotFound
 	}
@@ -69,7 +70,7 @@ func New(config *config.Config, linter common.Lint, metrics monitoring.MetricSer
 		// Init a Storager from connection string.
 		store, err := factory.Create(storeName, config.Storage.StorageDriver)
 		if err != nil {
-			log.Error().Err(err).Str("rootDir", config.Storage.RootDirectory).Msg("unable to create s3 service")
+			log.Error().Err(err).Str("rootDir", config.Storage.RootDirectory).Msg("failed to create s3 service")
 
 			return storeController, err
 		}
@@ -101,7 +102,7 @@ func New(config *config.Config, linter common.Lint, metrics monitoring.MetricSer
 			//nolint: contextcheck
 			subImageStore, err := getSubStore(config, subPaths, linter, metrics, log)
 			if err != nil {
-				log.Error().Err(err).Msg("controller: error getting sub image store")
+				log.Error().Err(err).Str("component", "controller").Msg("failed to get sub image store")
 
 				return storeController, err
 			}
@@ -138,7 +139,8 @@ func getSubStore(cfg *config.Config, subPaths map[string]config.StorageConfig,
 			isSame, _ := config.SameFile(cfg.Storage.RootDirectory, storageConfig.RootDirectory)
 
 			if isSame {
-				log.Error().Err(zerr.ErrBadConfig).Msg("sub path storage directory is same as root directory")
+				log.Error().Err(zerr.ErrBadConfig).
+					Msg("invalid sub path storage directory, it must be different to the root directory")
 
 				return nil, zerr.ErrBadConfig
 			}
@@ -183,7 +185,7 @@ func getSubStore(cfg *config.Config, subPaths map[string]config.StorageConfig,
 			// Init a Storager from connection string.
 			store, err := factory.Create(storeName, storageConfig.StorageDriver)
 			if err != nil {
-				log.Error().Err(err).Str("rootDir", storageConfig.RootDirectory).Msg("Unable to create s3 service")
+				log.Error().Err(err).Str("rootDir", storageConfig.RootDirectory).Msg("failed to create s3 service")
 
 				return nil, err
 			}
@@ -198,7 +200,7 @@ func getSubStore(cfg *config.Config, subPaths map[string]config.StorageConfig,
 			cacheDriver, err := CreateCacheDatabaseDriver(storageConfig, log)
 			if err != nil {
 				log.Error().Err(err).Any("config", storageConfig).
-					Msg("failed creating storage driver")
+					Msg("failed to create storage driver")
 
 				return nil, err
 			}

pkg/test/common/fs.go

@@ -15,7 +15,7 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
-var ErrNoGoModFileFound = errors.New("test: no go.mod file found in parent directories")
+var ErrNoGoModFileFound = errors.New("no go.mod file found in parent directories")
 
 func GetProjectRootDir() (string, error) {
 	workDir, err := os.Getwd()

pkg/test/common/fs_test.go

@@ -132,7 +132,7 @@ func TestReadLogFileAndSearchString(t *testing.T) {
 
 	Convey("Invalid path", t, func() {
 		_, err = tcommon.ReadLogFileAndSearchString("invalidPath",
-			"DB update completed, next update scheduled", 1*time.Second)
+			"cve-db update completed, next update scheduled after interval", 1*time.Second)
 		So(err, ShouldNotBeNil)
 	})
 
@@ -159,7 +159,7 @@ func TestReadLogFileAndCountStringOccurence(t *testing.T) {
 
 	Convey("Invalid path", t, func() {
 		_, err = tcommon.ReadLogFileAndCountStringOccurence("invalidPath",
-			"DB update completed, next update scheduled", 1*time.Second, 1)
+			"cve-db update completed, next update scheduled after interval", 1*time.Second, 1)
 		So(err, ShouldNotBeNil)
 	})
 

pkg/test/oci-utils/oci_layout.go

@@ -108,12 +108,12 @@ func (olu BaseOciLayoutUtils) GetImageManifests(repo string) ([]ispec.Descriptor
 	buf, err := imageStore.GetIndexContent(repo)
 	if err != nil {
 		if goerrors.Is(zerr.ErrRepoNotFound, err) {
-			olu.Log.Error().Err(err).Msg("index.json doesn't exist")
+			olu.Log.Error().Err(err).Msg("failed to get index.json contents because the file is missing")
 
 			return nil, zerr.ErrRepoNotFound
 		}
 
-		olu.Log.Error().Err(err).Msg("unable to open index.json")
+		olu.Log.Error().Err(err).Msg("failed to open index.json")
 
 		return nil, zerr.ErrRepoNotFound
 	}
@@ -121,7 +121,8 @@ func (olu BaseOciLayoutUtils) GetImageManifests(repo string) ([]ispec.Descriptor
 	var index ispec.Index
 
 	if err := json.Unmarshal(buf, &index); err != nil {
-		olu.Log.Error().Err(err).Str("dir", path.Join(imageStore.RootDir(), repo)).Msg("invalid JSON")
+		olu.Log.Error().Err(err).Str("dir", path.Join(imageStore.RootDir(), repo)).
+			Msg("failed to unmarshal json")
 
 		return nil, zerr.ErrRepoNotFound
 	}
@@ -141,13 +142,13 @@ func (olu BaseOciLayoutUtils) GetImageBlobManifest(repo string, digest godigest.
 
 	blobBuf, err := imageStore.GetBlobContent(repo, digest)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("unable to open image metadata file")
+		olu.Log.Error().Err(err).Msg("failed to open image metadata file")
 
 		return blobIndex, err
 	}
 
 	if err := json.Unmarshal(blobBuf, &blobIndex); err != nil {
-		olu.Log.Error().Err(err).Msg("unable to marshal blob index")
+		olu.Log.Error().Err(err).Msg("failed to marshal blob index")
 
 		return blobIndex, err
 	}
@@ -167,13 +168,13 @@ func (olu BaseOciLayoutUtils) GetImageInfo(repo string, configDigest godigest.Di
 
 	blobBuf, err := imageStore.GetBlobContent(repo, configDigest)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("unable to open image layers file")
+		olu.Log.Error().Err(err).Msg("failed to open image layers file")
 
 		return imageInfo, err
 	}
 
 	if err := json.Unmarshal(blobBuf, &imageInfo); err != nil {
-		olu.Log.Error().Err(err).Msg("unable to marshal blob index")
+		olu.Log.Error().Err(err).Msg("failed to marshal blob index")
 
 		return imageInfo, err
 	}
@@ -187,7 +188,7 @@ func (olu BaseOciLayoutUtils) GetImageTagsWithTimestamp(repo string) ([]cvemodel
 
 	manifests, err := olu.GetImageManifests(repo)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("unable to read image manifests")
+		olu.Log.Error().Err(err).Msg("failed to read image manifests")
 
 		return tagsInfo, err
 	}
@@ -199,14 +200,14 @@ func (olu BaseOciLayoutUtils) GetImageTagsWithTimestamp(repo string) ([]cvemodel
 		if ok {
 			imageBlobManifest, err := olu.GetImageBlobManifest(repo, digest)
 			if err != nil {
-				olu.Log.Error().Err(err).Msg("unable to read image blob manifest")
+				olu.Log.Error().Err(err).Msg("failed to read image blob manifest")
 
 				return tagsInfo, err
 			}
 
 			imageInfo, err := olu.GetImageInfo(repo, imageBlobManifest.Config.Digest)
 			if err != nil {
-				olu.Log.Error().Err(err).Msg("unable to read image info")
+				olu.Log.Error().Err(err).Msg("failed to read image info")
 
 				return tagsInfo, err
 			}
@@ -327,7 +328,7 @@ func (olu BaseOciLayoutUtils) GetImageManifestSize(repo string, manifestDigest g
 
 	manifestBlob, err := imageStore.GetBlobContent(repo, manifestDigest)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("error when getting manifest blob content")
+		olu.Log.Error().Err(err).Msg("failed to get manifest blob content")
 
 		return int64(len(manifestBlob))
 	}
@@ -338,7 +339,7 @@ func (olu BaseOciLayoutUtils) GetImageManifestSize(repo string, manifestDigest g
 func (olu BaseOciLayoutUtils) GetImageConfigSize(repo string, manifestDigest godigest.Digest) int64 {
 	imageBlobManifest, err := olu.GetImageBlobManifest(repo, manifestDigest)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("can't get image blob manifest")
+		olu.Log.Error().Err(err).Msg("failed to get image blob manifest")
 
 		return 0
 	}
@@ -368,14 +369,14 @@ func (olu BaseOciLayoutUtils) GetExpandedRepoInfo(repoName string) (common.RepoI
 
 	manifestList, err := olu.GetImageManifests(repoName)
 	if err != nil {
-		olu.Log.Error().Err(err).Msg("error getting image manifests")
+		olu.Log.Error().Err(err).Msg("failed to get image manifests")
 
 		return common.RepoInfo{}, err
 	}
 
 	lastUpdatedTag, err := olu.GetRepoLastUpdated(repoName)
 	if err != nil {
-		olu.Log.Error().Err(err).Str("repository", repoName).Msg("can't get last updated manifest for repo")
+		olu.Log.Error().Err(err).Str("repository", repoName).Msg("failed to get last updated manifest for repo")
 
 		return common.RepoInfo{}, err
 	}
@@ -398,7 +399,7 @@ func (olu BaseOciLayoutUtils) GetExpandedRepoInfo(repoName string) (common.RepoI
 
 		manifest, err := olu.GetImageBlobManifest(repoName, man.Digest)
 		if err != nil {
-			olu.Log.Error().Err(err).Msg("error getting image manifest blob")
+			olu.Log.Error().Err(err).Msg("failed to get image manifest blob")
 
 			return common.RepoInfo{}, err
 		}
@@ -415,7 +416,7 @@ func (olu BaseOciLayoutUtils) GetExpandedRepoInfo(repoName string) (common.RepoI
 		imageConfigInfo, err := olu.GetImageConfigInfo(repoName, man.Digest)
 		if err != nil {
 			olu.Log.Error().Err(err).Str("repository", repoName).Str("manifest digest", man.Digest.String()).
-				Msg("can't retrieve config info for the image")
+				Msg("failed to retrieve config info for the image")
 
 			continue
 		}
@@ -580,7 +581,7 @@ func (olu BaseOciLayoutUtils) ExtractImageDetails(
 ) {
 	manifest, dig, err := olu.GetImageManifest(repo, tag)
 	if err != nil {
-		log.Error().Err(err).Msg("Could not retrieve image ispec manifest")
+		log.Error().Err(err).Msg("failed to retrieve image manifest")
 
 		return "", nil, nil, err
 	}
@@ -589,7 +590,7 @@ func (olu BaseOciLayoutUtils) ExtractImageDetails(
 
 	imageConfig, err := olu.GetImageConfigInfo(repo, digest)
 	if err != nil {
-		log.Error().Err(err).Msg("Could not retrieve image config")
+		log.Error().Err(err).Msg("failed to retrieve image config")
 
 		return "", nil, nil, err
 	}

scripts/check_logs.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# Colors for terminal
+if test -t 1; then
+    # check if it supports colors
+    ncolors=$(tput colors)
+    if test -n "$ncolors" && test $ncolors -ge 8; then
+        NC="$(tput sgr0)"       # no color
+        RED="$(tput setaf 1)"   # red
+        WHITE="$(tput setaf 7)" # white
+    fi
+fi
+
+exception="(HTTP|OpenID|OAuth|TLS|API|ID)"
+
+# the "nolint: check-logs" comment should be places on the last line that the linter matches
+exclude_linter="(?!.*//nolint: check-logs)"
+
+function lintLogContainingUpperCase {
+    word_char="[\.-0-9a-z ]"
+    capital_word="([a-z]*[A-Z][a-zA-Z]*)"
+
+    grep --with-filename -n -P "Msg[f]?\(\"(($word_char|$exception)*)(?!$exception)($capital_word)($exclude_linter)" $1
+}
+
+# lintLogStartingWithUpperCase searched for log messages that start with an upper case letter
+function lintLogStartingWithUpperCase {
+    grep --with-filename -n "Msg[f]\?(\"[A-Z]" $1 | grep -v -P "Msg[f]?\(\"$exception($exclude_linter)"
+}
+
+# lintLogStartingWithComponent searches for log messages that starts with a component "component:"
+function lintLogStartingWithComponent {
+    # We'll check for different functions that can generate errors or logs. If they start with 
+    # a number words followed by ":", it's considered as starting with a component.
+    # Examples: '.Msgf("component:")', '.Errorf("com ponent:")', '.Msg("com-ponent:")'
+    grep --with-filename -n -E "(Errorf|errors.New|Msg[f]?)\(\"[a-zA-Z-]+( [a-zA-Z-]+){0,1}:($exclude_linter)" $1
+}
+
+# lintErrorLogsBeggining searches for log messages that don't start with "failed to"
+function lintErrorLogsBeggining {
+    grep --with-filename -n -P "Error\(\)(?:.*)\n?.(?:.*)Msg[f]?\(\"(?!(failed to|failed due|invalid|unexpected|unsupported))($exclude_linter)" $1
+}
+
+function printLintError {
+    errReason=$1
+    errPathAndContent=$2
+
+    IFS=':' read -r errPath errLine errLineContent <<< "$errPathAndContent"
+    errLocation="$errPath:$errLine"
+
+    if test -t 1; then
+        echo -e "${WHITE}$errLocation${NC}: ${RED}$errReason${NC}\n\t$errLineContent"
+    else
+        echo "$errLocation: $errReason: $errLineContent"
+    fi
+}
+
+files=$(find . -name '*.go' | grep -v '_test.go')
+
+found_linting_error=false
+
+for file in $files
+do
+    lintOutput=$(lintLogStartingWithUpperCase "$file")
+    if [ $? -eq 0 ]; then
+        found_linting_error=true
+        while IFS= read -r line; do
+            printLintError "Log message should not start with a CAPITAL letter" "$(echo $line | tr -s [:space:])"
+        done <<< "$lintOutput"
+    fi 
+
+    lintOutput=$(lintLogStartingWithComponent "$file")
+    if [ $? -eq 0 ]; then
+        found_linting_error=true
+        while IFS= read -r line; do
+            printLintError "Log message should not start with the component (ex: 'component:', 'mixed component-with-dash:')" \
+            "$(echo $line | tr -s [:space:])"
+        done <<< "$lintOutput"
+    fi
+
+    lintOutput=$(lintErrorLogsBeggining "$file")
+    if [ $? -eq 0 ]; then
+        found_linting_error=true
+        while IFS= read -r line; do
+            printLintError "Error messages should start with 'failed to'" \
+            "$(echo $line | tr -s [:space:])"
+        done <<< "$lintOutput"
+    fi
+done
+
+if [ $found_linting_error = true ]; then
+    exit 1
+fi
+
+exit 0