// Provide implements DockerConfigProvider
func (g *dockerConfigKeyProvider) Provide() credentialprovider.DockerConfig {
// Read the contents of the google-dockercfg metadata key and
// parse them as an alternate .dockercfg
if cfg, err := credentialprovider.ReadDockerConfigFileFromUrl(dockerConfigKey, g.Client, metadataHeader); err == nil {
return cfg
}
return credentialprovider.DockerConfig{}
}
// Provide implements DockerConfigProvider
func (g *dockerConfigKeyProvider) Provide() credentialprovider.DockerConfig {
// Read the contents of the google-dockercfg metadata key and
// parse them as an alternate .dockercfg
if cfg, err := credentialprovider.ReadDockerConfigFileFromUrl(dockerConfigKey, g.Client, metadataHeader); err != nil {
glog.Errorf("while reading 'google-dockercfg' metadata: %v", err)
} else {
return cfg
}
return credentialprovider.DockerConfig{}
}
// Provide implements DockerConfigProvider
func (g *dockerConfigUrlKeyProvider) Provide() credentialprovider.DockerConfig {
// Read the contents of the google-dockercfg-url key and load a .dockercfg from there
if url, err := credentialprovider.ReadUrl(dockerConfigUrlKey, g.Client, metadataHeader); err == nil {
if strings.HasPrefix(string(url), "http") {
if cfg, err := credentialprovider.ReadDockerConfigFileFromUrl(string(url), g.Client, nil); err == nil {
return cfg
}
} else {
// TODO(mattmoor): support reading alternate scheme URLs (e.g. gs:// or s3://)
glog.Errorf("Unsupported URL scheme: %s", string(url))
}
}
return credentialprovider.DockerConfig{}
}