Method GetCredentialsStore

cli/config/configfile/file.go:321–351

GetCredentialsStore returns a new credentials store from the settings in the configuration file

(registryHostname string)

// GetCredentialsStore returns a new credentials store from the settings in the
// configuration file
func (c *ConfigFile) GetCredentialsStore(registryHostname string) credentials.Store {
	store := credentials.NewFileStore(c)

	if helper := getConfiguredCredentialStore(c, getAuthConfigKey(registryHostname)); helper != "" {
		store = newNativeStore(c, helper)
	}

	envConfig := os.Getenv(DockerEnvConfigKey)
	if envConfig == "" {
		return store
	}

	authConfig, err := parseEnvConfig(envConfig)
	if err != nil {
		_, _ = fmt.Fprintln(os.Stderr, "Failed to create credential store from DOCKER_AUTH_CONFIG: ", err)
		return store
	}

	// use DOCKER_AUTH_CONFIG if set
	// it uses the native or file store as a fallback to fetch and store credentials
	envStore, err := memorystore.New(
		memorystore.WithAuthConfig(authConfig),
		memorystore.WithFallbackStore(store),
	)
	if err != nil {
		_, _ = fmt.Fprintln(os.Stderr, "Failed to create credential store from DOCKER_AUTH_CONFIG: ", err)
		return store
	}

	return envStore
}

func parseEnvConfig(v string) (map[string]types.AuthConfig, error) {
	envConfig := &configEnv{}