func (lb *FileBackend) GetImageInfo(dockerURL string) ([]string, *common.ParsedDockerURL, error) {
parsedDockerURL, err := common.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, lb.debug)
if err != nil {
return nil, nil, err
}
if len(ancestry) == 0 {
ancestry, err = getAncestry(lb.file, appImageID, lb.debug)
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 := common.ParseDockerURL(url)
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)
}
}
// GetHash uses docker2aci to download the image and convert it to
// ACI, then stores it in the store and returns the hash.
func (f *dockerFetcher) GetHash(u *url.URL) (string, error) {
ensureLogger(f.Debug)
dockerURL, err := d2acommon.ParseDockerURL(path.Join(u.Host, u.Path))
if err != nil {
return "", fmt.Errorf(`invalid docker URL %q; expected syntax is "docker://[REGISTRY_HOST[:REGISTRY_PORT]/]IMAGE_NAME[:TAG]"`, u)
}
latest := dockerURL.Tag == "latest"
return f.fetchImageFrom(u, latest)
}
func (lb *FileBackend) GetImageInfo(dockerURL string) ([]string, *types.ParsedDockerURL, error) {
parsedDockerURL := common.ParseDockerURL(dockerURL)
appImageID, parsedDockerURL, err := getImageID(lb.file, parsedDockerURL)
if err != nil {
return nil, nil, fmt.Errorf("error getting ImageID: %v", err)
}
ancestry, err := getAncestry(lb.file, appImageID)
if err != nil {
return nil, nil, fmt.Errorf("error getting ancestry: %v", err)
}
return ancestry, parsedDockerURL, nil
}
func (rb *RepositoryBackend) GetImageInfo(url string) ([]string, *types.ParsedDockerURL, error) {
dockerURL := common.ParseDockerURL(url)
var supportsV2, ok bool
if supportsV2, ok = rb.hostsV2Support[dockerURL.IndexURL]; !ok {
var err error
supportsV2, err = rb.supportsV2(dockerURL.IndexURL)
if err != nil {
return nil, nil, err
}
rb.hostsV2Support[dockerURL.IndexURL] = supportsV2
}
if supportsV2 {
return rb.getImageInfoV2(dockerURL)
} else {
return rb.getImageInfoV1(dockerURL)
}
}
func (rb *RepositoryBackend) GetImageInfo(url string) ([]string, *common.ParsedDockerURL, error) {
dockerURL, err := common.ParseDockerURL(url)
if err != nil {
return nil, nil, err
}
var supportsV2, supportsV1, 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
}
// try v2
if supportsV2 {
layers, dockerURL, err := rb.getImageInfoV2(dockerURL)
if !isErrHTTP404(err) {
return layers, dockerURL, err
}
// fallback on 404 failure
rb.hostsV1fallback = true
}
URLSchema, supportsV1, err = rb.supportsRegistry(dockerURL.IndexURL, registryV1)
if err != nil {
return nil, nil, err
}
if !supportsV1 && rb.hostsV1fallback {
return nil, nil, fmt.Errorf("attempted fallback to API v1 but not supported")
}
if !supportsV1 && !supportsV2 {
return nil, nil, fmt.Errorf("registry doesn't support API v2 nor v1")
}
rb.schema = URLSchema + "://"
// try v1, hard fail on failure
return rb.getImageInfoV1(dockerURL)
}
// NewDocker creates a new docker distribution from the provided distribution uri string
func NewDocker(u *url.URL) (Distribution, error) {
dp, err := parseCIMD(u)
if err != nil {
return nil, fmt.Errorf("cannot parse URI: %q: %v", u.String(), err)
}
if dp.Type != TypeDocker {
return nil, fmt.Errorf("wrong distribution type: %q", dp.Type)
}
parsed, err := d2acommon.ParseDockerURL(dp.Data)
if err != nil {
return nil, fmt.Errorf("bad docker URL %q: %v", dp.Data, err)
}
return &Docker{
url: dp.Data,
parsedURL: parsed,
simple: SimpleDockerRef(parsed),
full: FullDockerRef(parsed),
}, nil
}
func (rb *RepositoryBackend) GetImageInfo(url string) ([]string, *types.ParsedDockerURL, error) {
dockerURL := common.ParseDockerURL(url)
repoData, err := rb.getRepoData(dockerURL.IndexURL, dockerURL.ImageName)
if err != nil {
return nil, nil, fmt.Errorf("error getting repository data: %v", err)
}
// TODO(iaguis) check more endpoints
appImageID, err := getImageIDFromTag(repoData.Endpoints[0], dockerURL.ImageName, dockerURL.Tag, repoData)
if err != nil {
return nil, nil, fmt.Errorf("error getting ImageID from tag %s: %v", dockerURL.Tag, err)
}
ancestry, err := getAncestry(appImageID, repoData.Endpoints[0], repoData)
if err != nil {
return nil, nil, err
}
rb.repoData = repoData
return ancestry, dockerURL, nil
}
// GetHash uses docker2aci to download the image and convert it to
// ACI, then stores it in the store and returns the hash.
func (f *dockerFetcher) GetHash(u *url.URL) (string, error) {
ensureLogger(f.Debug)
dockerURL := d2acommon.ParseDockerURL(path.Join(u.Host, u.Path))
latest := dockerURL.Tag == "latest"
return f.fetchImageFrom(u, latest)
}
