func (lb *FileBackend) GetImageInfo(dockerURL string) ([]string, *types.ParsedDockerURL, error) {
parsedDockerURL, err := docker.ParseDockerURL(dockerURL)
if err != nil {
// a missing Docker URL could mean that the file only contains one
// image, so we ignore the error here, we'll handle it in getImageID
}
var ancestry []string
// default file name is the tar name stripped
name := strings.Split(filepath.Base(lb.file.Name()), ".")[0]
appImageID, ancestry, parsedDockerURL, err := getImageID(lb.file, parsedDockerURL, name)
if err != nil {
return nil, nil, err
}
if len(ancestry) == 0 {
ancestry, err = getAncestry(lb.file, appImageID)
if err != nil {
return nil, nil, fmt.Errorf("error getting ancestry: %v", err)
}
} else {
// for oci the first image is the config
ancestry = append([]string{appImageID}, ancestry...)
}
return ancestry, parsedDockerURL, nil
}
func (rb *RepositoryBackend) GetImageInfo(url string) ([]string, *types.ParsedDockerURL, error) {
dockerURL, err := docker.ParseDockerURL(url)
if err != nil {
return nil, nil, err
}
var supportsV2, ok bool
var URLSchema string
if supportsV2, ok = rb.hostsV2Support[dockerURL.IndexURL]; !ok {
var err error
URLSchema, supportsV2, err = rb.supportsRegistry(dockerURL.IndexURL, registryV2)
if err != nil {
return nil, nil, err
}
rb.schema = URLSchema + "://"
rb.hostsV2Support[dockerURL.IndexURL] = supportsV2
}
if supportsV2 {
return rb.getImageInfoV2(dockerURL)
} else {
URLSchema, supportsV1, err := rb.supportsRegistry(dockerURL.IndexURL, registryV1)
if err != nil {
return nil, nil, err
}
if !supportsV1 {
return nil, nil, fmt.Errorf("registry doesn't support API v2 nor v1")
}
rb.schema = URLSchema + "://"
return rb.getImageInfoV1(dockerURL)
}
}
func (lb *FileBackend) GetImageInfo(dockerURL string) ([]string, *types.ParsedDockerURL, error) {
parsedDockerURL, err := docker.ParseDockerURL(dockerURL)
if err != nil {
// a missing Docker URL could mean that the file only contains one
// image, so we ignore the error here, we'll handle it in getImageID
}
appImageID, parsedDockerURL, err := getImageID(lb.file, parsedDockerURL)
if err != nil {
return nil, nil, err
}
ancestry, err := getAncestry(lb.file, appImageID)
if err != nil {
return nil, nil, fmt.Errorf("error getting ancestry: %v", err)
}
return ancestry, parsedDockerURL, nil
}
// ParseDockerURL takes a Docker URL and returns a ParsedDockerURL with its
// index URL, image name, and tag.
func ParseDockerURL(arg string) (*ParsedDockerURL, error) {
p, err := docker.ParseDockerURL(arg)
return (*ParsedDockerURL)(p), err
}