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zot/pkg/extensions
peusebiu 3c8da6e6fc
Sync s3 (#2073)
* feat(sync): local tmp store

Signed-off-by: a <a@tuxpa.in>

* fix(sync): various fixes for s3+remote storage feature

Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>

---------

Signed-off-by: a <a@tuxpa.in>
Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>
Co-authored-by: a <a@tuxpa.in>
2023-11-28 12:08:15 -08:00
..
config Sync s3 (#2073) 2023-11-28 12:08:15 -08:00
imagetrust feat(scheduler): gracefully shutdown (#1951) 2023-11-24 00:40:10 -08:00
lint fix: tests refactoring (#1950) 2023-10-26 11:20:39 +03:00
monitoring fix: TestPopulateStorageMetrics fails occasionally in CI (#2042) 2023-11-14 16:22:24 -08:00
scrub refactor(pkg/test): split logic in pkg/test/common.go into multiple packages (#1861) 2023-09-27 11:34:48 -07:00
search feat(metadb): add support for querying for images by a blob digest (#2077) 2023-11-27 08:52:52 -08:00
sync Sync s3 (#2073) 2023-11-28 12:08:15 -08:00
_zot.md refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_image_trust.go feat: upload cosign public key and notation certificates to cloud (#1744) 2023-09-08 10:03:58 +03:00
extension_image_trust_disabled.go feat: upload cosign public key and notation certificates to cloud (#1744) 2023-09-08 10:03:58 +03:00
extension_image_trust_disabled_test.go refactor(pkg/test): split logic in pkg/test/common.go into multiple packages (#1861) 2023-09-27 11:34:48 -07:00
extension_image_trust_test.go refactor(metadb): improve UX by speeding up metadb serialize/deserialize (#1842) 2023-10-30 13:06:04 -07:00
extension_metrics.go fix: metrics should be protected behind authZ (#1895) 2023-10-20 10:33:26 +03:00
extension_metrics_disabled.go fix: metrics should be protected behind authZ (#1895) 2023-10-20 10:33:26 +03:00
extension_mgmt.go feat(cli): add command to interogate the server version and other details (#1709) 2023-11-22 19:25:21 +02:00
extension_mgmt_disabled.go refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_scrub.go refactor(scrub): replace umoci logic in scrub implementation (#1845) 2023-09-26 11:02:11 -07:00
extension_scrub_disabled.go initial design for task scheduler (#700) 2022-09-22 22:27:56 -07:00
extension_search.go feat(cve): implement CVE scanning as background tasks (#1833) 2023-09-22 11:49:17 -07:00
extension_search_disabled.go feat(cve): implement CVE scanning as background tasks (#1833) 2023-09-22 11:49:17 -07:00
extension_sync.go Sync s3 (#2073) 2023-11-28 12:08:15 -08:00
extension_sync_disabled.go feat(refator): refactoring repodb into meta (#1626) 2023-07-18 10:27:26 -07:00
extension_ui.go refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_ui_disabled.go refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_ui_test.go refactor(tests): Migrate some of the older tests to the new image-utils library (#1863) 2023-10-02 11:10:43 -07:00
extension_userprefs.go refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_userprefs_disable.go refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
extension_userprefs_test.go refactor(pkg/test): split logic in pkg/test/common.go into multiple packages (#1861) 2023-09-27 11:34:48 -07:00
extensions_lint.go image level lint: enforce manifest mandatory annotations 2022-07-27 11:48:04 +03:00
extensions_lint_disabled.go feat: propagate detailed error msgs to client (OCI dist-spec format) (#1681) 2023-08-23 20:59:52 +03:00
extensions_test.go feat(ldap): add option to load ldap from file (#1778) 2023-11-14 16:21:36 -08:00
get_extensions.go feat: upload cosign public key and notation certificates to cloud (#1744) 2023-09-08 10:03:58 +03:00
get_extensions_disabled_test.go refactor(pkg/test): split logic in pkg/test/common.go into multiple packages (#1861) 2023-09-27 11:34:48 -07:00
README.md fix: metrics should be protected behind authZ (#1895) 2023-10-20 10:33:26 +03:00
README_imagetrust.md feat: upload cosign public key and notation certificates to cloud (#1744) 2023-09-08 10:03:58 +03:00
README_mgmt.md refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00
README_userprefs.md refactor(extensions)!: refactor the extensions URLs and errors (#1636) 2023-08-02 21:58:34 +03:00

Adding new extensions

As new requirements come and build time extensions need to be added, there are a few things that you have to make sure are present before commiting :

  • files that should be included in the binary only with a specific extension must contain the following syntax at the beginning of the file :

//go:build sync will be added automatically by the linter, so only the second line is mandatory .

NOTE: the third line in the example should be blank, otherwise the build tag would be just another comment.

//go:build sync
// +build sync

package extensions
...................
  • when adding a new tag, specify the new order in which multiple tags should be used (bottom of this page)

  • for each and every new file that contains functions (functionalities) specific to an extension, one should create a corresponding file that must contain the exact same functions, but no functionalities included. This file must begin with an "anti-tag" (e.g. // +build !sync) which will include this file in binaries that don't include this extension ( in this example, the file won't be used in binaries that include sync extension ). See extension-sync-disabled.go for an example.

  • each extension is responsible with implementing authorization for newly added HTTP endpoints. zot will provide the necessary data, including user permissions, to the extension, but actual enforcement of these permissions is the responsibility of each extension. Each extension http.Handler has access to a context previously populated by BaseAuthzHandler with relevant user info. That info has the following structure:

    type AccessControlContext struct {
      // read method action
      ReadGlobPatterns map[string]bool
      // detectManifestCollision behaviour action
      DmcGlobPatterns map[string]bool
      IsAdmin         bool
      Username        string
      Groups          []string
      }
    

    This data can then be accessed from the request context so that every extension can apply its own authorization logic, if needed .

  • when a new extension comes out, the developer should also write some blackbox tests, where a binary that contains the new extension should be tested in a real usage scenario. See test/blackbox folder for multiple extensions examples.

  • newly added blackbox tests should have targets in Makefile. You should also add them as Github Workflows, in .github/workflows/ecosystem-tools.yaml

  • with every new extension, you should modify the EXTENSIONS variable in Makefile by adding the new extension. The EXTENSIONS variable represents all extensions and is used in Make targets that require them all (e.g make test).

  • the available extensions that can be used at the moment are: sync, search, scrub, metrics, lint, ui, mgmt, userprefs, imagetrust . NOTE: When multiple extensions are used, they should be listed in the above presented order.