func (lb *FileBackend) BuildACI(layerID string, dockerURL *types.ParsedDockerURL, outputDir string, curPwl []string, compress bool) (string, *schema.ImageManifest, error) {
tmpDir, err := ioutil.TempDir("", "docker2aci-")
if err != nil {
return "", nil, fmt.Errorf("error creating dir: %v", err)
}
j, err := getJson(lb.file, layerID)
if err != nil {
return "", nil, fmt.Errorf("error getting image json: %v", err)
}
layerData := types.DockerImageData{}
if err := json.Unmarshal(j, &layerData); err != nil {
return "", nil, fmt.Errorf("error unmarshaling layer data: %v", err)
}
tmpLayerPath := path.Join(tmpDir, layerID)
tmpLayerPath += ".tar"
layerFile, err := extractEmbeddedLayer(lb.file, layerID, tmpLayerPath)
if err != nil {
return "", nil, fmt.Errorf("error getting layer from file: %v", err)
}
defer layerFile.Close()
util.Debug("Generating layer ACI...")
aciPath, manifest, err := common.GenerateACI(layerData, dockerURL, outputDir, layerFile, curPwl, compress)
if err != nil {
return "", nil, fmt.Errorf("error generating ACI: %v", err)
}
return aciPath, manifest, nil
}
func (rb *RepositoryBackend) buildACIV1(layerNumber int, layerID string, dockerURL *types.ParsedDockerURL, outputDir string, tmpBaseDir string, curPwl []string, compress bool) (string, *schema.ImageManifest, error) {
tmpDir, err := ioutil.TempDir(tmpBaseDir, "docker2aci-")
if err != nil {
return "", nil, fmt.Errorf("error creating dir: %v", err)
}
defer os.RemoveAll(tmpDir)
j, size, err := rb.getJsonV1(layerID, rb.repoData.Endpoints[0], rb.repoData)
if err != nil {
return "", nil, fmt.Errorf("error getting image json: %v", err)
}
layerData := types.DockerImageData{}
if err := json.Unmarshal(j, &layerData); err != nil {
return "", nil, fmt.Errorf("error unmarshaling layer data: %v", err)
}
layerFile, err := rb.getLayerV1(layerID, rb.repoData.Endpoints[0], rb.repoData, size, tmpDir)
if err != nil {
return "", nil, fmt.Errorf("error getting the remote layer: %v", err)
}
defer layerFile.Close()
util.Debug("Generating layer ACI...")
aciPath, manifest, err := common.GenerateACI(layerNumber, layerData, dockerURL, outputDir, layerFile, curPwl, compress)
if err != nil {
return "", nil, fmt.Errorf("error generating ACI: %v", err)
}
return aciPath, manifest, nil
}
func (rb *RepositoryBackend) buildACIV2(layerNumber int, layerID string, dockerURL *types.ParsedDockerURL, outputDir string, tmpBaseDir string, curPwl []string, compress bool) (string, *schema.ImageManifest, error) {
manifest := rb.imageManifests[*dockerURL]
layerIndex, err := getLayerIndex(layerID, manifest)
if err != nil {
return "", nil, err
}
if len(manifest.History) <= layerIndex {
return "", nil, fmt.Errorf("history not found for layer %s", layerID)
}
layerData := types.DockerImageData{}
if err := json.Unmarshal([]byte(manifest.History[layerIndex].V1Compatibility), &layerData); err != nil {
return "", nil, fmt.Errorf("error unmarshaling layer data: %v", err)
}
tmpDir, err := ioutil.TempDir(tmpBaseDir, "docker2aci-")
if err != nil {
return "", nil, fmt.Errorf("error creating dir: %v", err)
}
defer os.RemoveAll(tmpDir)
layerFile, err := rb.getLayerV2(layerID, dockerURL, tmpDir)
if err != nil {
return "", nil, fmt.Errorf("error getting the remote layer: %v", err)
}
defer layerFile.Close()
util.Debug("Generating layer ACI...")
aciPath, aciManifest, err := common.GenerateACI(layerNumber, layerData, dockerURL, outputDir, layerFile, curPwl, compress)
if err != nil {
return "", nil, fmt.Errorf("error generating ACI: %v", err)
}
return aciPath, aciManifest, nil
}