mirror of
https://github.com/project-zot/zot.git
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98854337ff
It was not used for UI, it had become a CLI dependency with the same functionality as search Signed-off-by: Andrei Aaron <andaaron@cisco.com>
432 lines
8.5 KiB
Go
432 lines
8.5 KiB
Go
//go:build search
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// +build search
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package cli
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import (
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"errors"
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"fmt"
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"os"
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"path"
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"strconv"
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"strings"
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"text/tabwriter"
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jsoniter "github.com/json-iterator/go"
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"github.com/spf13/cobra"
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zerr "zotregistry.io/zot/errors"
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)
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const (
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defaultConfigPerms = 0o644
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defaultFilePerms = 0o600
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)
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func NewConfigCommand() *cobra.Command {
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var isListing bool
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var isReset bool
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configCmd := &cobra.Command{
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Use: "config <config-name> [variable] [value]",
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Example: examples,
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Short: "Configure zot registry parameters for CLI",
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Long: `Configure zot registry parameters for CLI`,
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Args: cobra.ArbitraryArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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home, err := os.UserHomeDir()
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if err != nil {
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panic(err)
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}
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configPath := path.Join(home + "/.zot")
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switch len(args) {
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case noArgs:
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if isListing { // zot config -l
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res, err := getConfigNames(configPath)
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if err != nil {
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return err
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}
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fmt.Fprint(cmd.OutOrStdout(), res)
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return nil
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}
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return zerr.ErrInvalidArgs
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case oneArg:
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// zot config <name> -l
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if isListing {
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res, err := getAllConfig(configPath, args[0])
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if err != nil {
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return err
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}
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fmt.Fprint(cmd.OutOrStdout(), res)
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return nil
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}
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return zerr.ErrInvalidArgs
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case twoArgs:
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if isReset { // zot config <name> <key> --reset
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return resetConfigValue(configPath, args[0], args[1])
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}
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// zot config <name> <key>
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res, err := getConfigValue(configPath, args[0], args[1])
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if err != nil {
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return err
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}
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fmt.Fprintln(cmd.OutOrStdout(), res)
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case threeArgs:
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// zot config <name> <key> <value>
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if err := setConfigValue(configPath, args[0], args[1], args[2]); err != nil {
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return err
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}
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default:
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return zerr.ErrInvalidArgs
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}
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return nil
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},
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}
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configCmd.Flags().BoolVarP(&isListing, "list", "l", false, "List configurations")
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configCmd.Flags().BoolVar(&isReset, "reset", false, "Reset a variable value")
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configCmd.SetUsageTemplate(configCmd.UsageTemplate() + supportedOptions)
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configCmd.AddCommand(NewConfigAddCommand())
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return configCmd
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}
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func NewConfigAddCommand() *cobra.Command {
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configAddCmd := &cobra.Command{
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Use: "add <config-name> <url>",
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Short: "Add configuration for a zot registry",
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Long: "Add configuration for a zot registry",
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Args: cobra.ExactArgs(twoArgs),
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RunE: func(cmd *cobra.Command, args []string) error {
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home, err := os.UserHomeDir()
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if err != nil {
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panic(err)
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}
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configPath := path.Join(home + "/.zot")
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// zot config add <config-name> <url>
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err = addConfig(configPath, args[0], args[1])
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if err != nil {
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return err
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}
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return nil
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},
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}
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return configAddCmd
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}
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func getConfigMapFromFile(filePath string) ([]interface{}, error) {
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file, err := os.OpenFile(filePath, os.O_RDONLY|os.O_CREATE, defaultConfigPerms)
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if err != nil {
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return nil, err
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}
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file.Close()
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data, err := os.ReadFile(filePath)
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if err != nil {
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return nil, err
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}
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var jsonMap map[string]interface{}
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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_ = json.Unmarshal(data, &jsonMap)
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if jsonMap["configs"] == nil {
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return nil, zerr.ErrEmptyJSON
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}
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configs, ok := jsonMap["configs"].([]interface{})
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if !ok {
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return nil, zerr.ErrCliBadConfig
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}
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return configs, nil
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}
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func saveConfigMapToFile(filePath string, configMap []interface{}) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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listMap := make(map[string]interface{})
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listMap["configs"] = configMap
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marshalled, err := json.Marshal(&listMap)
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if err != nil {
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return err
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}
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if err := os.WriteFile(filePath, marshalled, defaultFilePerms); err != nil {
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return err
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}
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return nil
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}
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func getConfigNames(configPath string) (string, error) {
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configs, err := getConfigMapFromFile(configPath)
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if err != nil {
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if errors.Is(err, zerr.ErrEmptyJSON) {
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return "", nil
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}
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return "", err
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}
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var builder strings.Builder
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writer := tabwriter.NewWriter(&builder, 0, 8, 1, '\t', tabwriter.AlignRight) //nolint:gomnd
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for _, val := range configs {
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configMap, ok := val.(map[string]interface{})
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if !ok {
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return "", zerr.ErrBadConfig
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}
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fmt.Fprintf(writer, "%s\t%s\n", configMap[nameKey], configMap["url"])
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}
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err = writer.Flush()
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if err != nil {
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return "", err
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}
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return builder.String(), nil
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}
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func addConfig(configPath, configName, url string) error {
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configs, err := getConfigMapFromFile(configPath)
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if err != nil && !errors.Is(err, zerr.ErrEmptyJSON) {
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return err
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}
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if !isURL(url) {
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return zerr.ErrInvalidURL
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}
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if configNameExists(configs, configName) {
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return zerr.ErrDuplicateConfigName
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}
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configMap := make(map[string]interface{})
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configMap["url"] = url
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configMap[nameKey] = configName
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addDefaultConfigs(configMap)
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configs = append(configs, configMap)
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err = saveConfigMapToFile(configPath, configs)
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if err != nil {
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return err
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}
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return nil
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}
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func addDefaultConfigs(config map[string]interface{}) {
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if _, ok := config[showspinnerConfig]; !ok {
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config[showspinnerConfig] = true
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}
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if _, ok := config[verifyTLSConfig]; !ok {
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config[verifyTLSConfig] = true
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}
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}
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func getConfigValue(configPath, configName, key string) (string, error) {
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configs, err := getConfigMapFromFile(configPath)
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if err != nil {
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if errors.Is(err, zerr.ErrEmptyJSON) {
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return "", zerr.ErrConfigNotFound
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}
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return "", err
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}
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for _, val := range configs {
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configMap, ok := val.(map[string]interface{})
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if !ok {
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return "", zerr.ErrBadConfig
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}
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addDefaultConfigs(configMap)
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name := configMap[nameKey]
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if name == configName {
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if configMap[key] == nil {
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return "", nil
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}
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return fmt.Sprintf("%v", configMap[key]), nil
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}
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}
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return "", zerr.ErrConfigNotFound
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}
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func resetConfigValue(configPath, configName, key string) error {
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if key == "url" || key == nameKey {
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return zerr.ErrCannotResetConfigKey
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}
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configs, err := getConfigMapFromFile(configPath)
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if err != nil {
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if errors.Is(err, zerr.ErrEmptyJSON) {
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return zerr.ErrConfigNotFound
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}
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return err
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}
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for _, val := range configs {
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configMap, ok := val.(map[string]interface{})
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if !ok {
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return zerr.ErrBadConfig
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}
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addDefaultConfigs(configMap)
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name := configMap[nameKey]
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if name == configName {
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delete(configMap, key)
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err = saveConfigMapToFile(configPath, configs)
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if err != nil {
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return err
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}
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return nil
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}
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}
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return zerr.ErrConfigNotFound
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}
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func setConfigValue(configPath, configName, key, value string) error {
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if key == nameKey {
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return zerr.ErrIllegalConfigKey
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}
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configs, err := getConfigMapFromFile(configPath)
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if err != nil {
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if errors.Is(err, zerr.ErrEmptyJSON) {
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return zerr.ErrConfigNotFound
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}
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return err
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}
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for _, val := range configs {
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configMap, ok := val.(map[string]interface{})
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if !ok {
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return zerr.ErrBadConfig
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}
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addDefaultConfigs(configMap)
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name := configMap[nameKey]
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if name == configName {
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boolVal, err := strconv.ParseBool(value)
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if err == nil {
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configMap[key] = boolVal
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} else {
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configMap[key] = value
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}
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err = saveConfigMapToFile(configPath, configs)
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if err != nil {
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return err
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}
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return nil
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}
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}
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return zerr.ErrConfigNotFound
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}
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func getAllConfig(configPath, configName string) (string, error) {
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configs, err := getConfigMapFromFile(configPath)
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if err != nil {
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if errors.Is(err, zerr.ErrEmptyJSON) {
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return "", nil
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}
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return "", err
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}
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var builder strings.Builder
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for _, value := range configs {
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configMap, ok := value.(map[string]interface{})
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if !ok {
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return "", zerr.ErrBadConfig
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}
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addDefaultConfigs(configMap)
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name := configMap[nameKey]
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if name == configName {
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for key, val := range configMap {
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if key == nameKey {
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continue
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}
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fmt.Fprintf(&builder, "%s = %v\n", key, val)
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}
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return builder.String(), nil
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}
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}
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return "", zerr.ErrConfigNotFound
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}
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func configNameExists(configs []interface{}, configName string) bool {
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for _, val := range configs {
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configMap, ok := val.(map[string]interface{})
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if !ok {
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return false
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}
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if configMap[nameKey] == configName {
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return true
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}
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}
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return false
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}
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const (
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examples = ` zli config add main https://zot-foo.com:8080
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zli config main url
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zli config main --list
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zli config --list`
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supportedOptions = `
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Useful variables:
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url zot server URL
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showspinner show spinner while loading data [true/false]
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verify-tls enable TLS certificate verification of the server [default: true]`
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nameKey = "_name"
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noArgs = 0
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oneArg = 1
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twoArgs = 2
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threeArgs = 3
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showspinnerConfig = "showspinner"
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verifyTLSConfig = "verify-tls"
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)
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