// ParseDockerImageReference parses a Docker pull spec string into a
// DockerImageReference.
func ParseDockerImageReference(spec string) (DockerImageReference, error) {
var ref DockerImageReference
namedRef, err := reference.ParseNamedDockerImageReference(spec)
if err != nil {
return ref, err
}
ref.Registry = namedRef.Registry
ref.Namespace = namedRef.Namespace
ref.Name = namedRef.Name
ref.Tag = namedRef.Tag
ref.ID = namedRef.ID
return ref, nil
}
// GetImageRegistryAuth retrieves the appropriate docker client authentication object for a given
// image name and a given set of client authentication objects.
func GetImageRegistryAuth(auths *AuthConfigurations, imageName string) api.AuthConfig {
glog.V(5).Infof("Getting docker credentials for %s", imageName)
ref, err := reference.ParseNamedDockerImageReference(imageName)
if err != nil {
glog.V(0).Infof("error: Failed to parse docker reference %s", imageName)
return api.AuthConfig{}
}
if ref.Registry != "" {
if auth, ok := auths.Configs[ref.Registry]; ok {
glog.V(5).Infof("Using %s[%s] credentials for pulling %s", auth.Email, ref.Registry, imageName)
return auth
}
}
if auth, ok := auths.Configs[defaultRegistry]; ok {
glog.V(5).Infof("Using %s credentials for pulling %s", auth.Email, imageName)
return auth
}
return api.AuthConfig{}
}