func (c *CommonConfig) initLogger() {
if c.Info == nil {
c.Info = log.NewStdLogger(os.Stderr)
}
if c.Debug == nil {
c.Debug = log.NewNopLogger()
}
}
func runDocker2ACI(arg string) error {
debug := log.NewNopLogger()
info := log.NewStdLogger(os.Stderr)
if flagDebug {
debug = log.NewStdLogger(os.Stderr)
}
squash := !flagNoSquash
var aciLayerPaths []string
// try to convert a local file
u, err := url.Parse(arg)
if err != nil {
return fmt.Errorf("error parsing argument: %v", err)
}
var compression common.Compression
switch flagCompression {
case "none":
compression = common.NoCompression
case "gzip":
compression = common.GzipCompression
default:
return fmt.Errorf("unknown compression method: %s", flagCompression)
}
cfg := docker2aci.CommonConfig{
Squash: squash,
OutputDir: ".",
TmpDir: os.TempDir(),
Compression: compression,
Debug: debug,
Info: info,
}
if u.Scheme == "docker" {
if flagImage != "" {
return fmt.Errorf("flag --image works only with files.")
}
dockerURL := strings.TrimPrefix(arg, "docker://")
indexServer := docker2aci.GetIndexName(dockerURL)
var username, password string
username, password, err = docker2aci.GetDockercfgAuth(indexServer)
if err != nil {
return fmt.Errorf("error reading .dockercfg file: %v", err)
}
remoteConfig := docker2aci.RemoteConfig{
CommonConfig: cfg,
Username: username,
Password: password,
Insecure: common.InsecureConfig{
SkipVerify: flagInsecureSkipVerify,
AllowHTTP: flagInsecureAllowHTTP,
},
}
aciLayerPaths, err = docker2aci.ConvertRemoteRepo(dockerURL, remoteConfig)
} else {
fileConfig := docker2aci.FileConfig{
CommonConfig: cfg,
DockerURL: flagImage,
}
aciLayerPaths, err = docker2aci.ConvertSavedFile(arg, fileConfig)
if serr, ok := err.(*common.ErrSeveralImages); ok {
err = fmt.Errorf("%s, use option --image with one of:\n\n%s", serr, strings.Join(serr.Images, "\n"))
}
}
if err != nil {
return fmt.Errorf("conversion error: %v", err)
}
// we get last layer's manifest, this will include all the elements in the
// previous layers. If we're squashing, the last element of aciLayerPaths
// will be the squashed image.
manifest, err := getManifest(aciLayerPaths[len(aciLayerPaths)-1])
if err != nil {
return err
}
if err := printConvertedVolumes(*manifest); err != nil {
return err
}
if err := printConvertedPorts(*manifest); err != nil {
return err
}
fmt.Printf("\nGenerated ACI(s):\n")
for _, aciFile := range aciLayerPaths {
fmt.Println(aciFile)
}
return nil
}