// PullImage pulls the specified image (can be a name, an id or a digest)
// to the daemon store with the specified client.
func PullImage(ctx context.Context, client client.ImageAPIClient, serviceName string, authLookup auth.Lookup, image string) error {
fmt.Fprintf(os.Stderr, "Pulling %s (%s)...\n", serviceName, image)
distributionRef, err := reference.ParseNamed(image)
if err != nil {
return err
}
repoInfo, err := registry.ParseRepositoryInfo(distributionRef)
if err != nil {
return err
}
authConfig := authLookup.Lookup(repoInfo)
// Use ConfigFile.SaveToWriter to not re-define encodeAuthToBase64
encodedAuth, err := encodeAuthToBase64(authConfig)
if err != nil {
return err
}
options := types.ImagePullOptions{
RegistryAuth: encodedAuth,
}
responseBody, err := client.ImagePull(ctx, distributionRef.String(), options)
if err != nil {
logrus.Errorf("Failed to pull image %s: %v", image, err)
return err
}
defer responseBody.Close()
var writeBuff io.Writer = os.Stderr
outFd, isTerminalOut := term.GetFdInfo(os.Stderr)
err = jsonmessage.DisplayJSONMessagesStream(responseBody, writeBuff, outFd, isTerminalOut, nil)
if err != nil {
if jerr, ok := err.(*jsonmessage.JSONError); ok {
// If no error code is set, default to 1
if jerr.Code == 0 {
jerr.Code = 1
}
fmt.Fprintf(os.Stderr, "%s", writeBuff)
return fmt.Errorf("Status: %s, Code: %d", jerr.Message, jerr.Code)
}
}
return err
}
// RemoveImage removes the specified image (can be a name, an id or a digest)
// from the daemon store with the specified client.
func RemoveImage(ctx context.Context, client client.ImageAPIClient, image string) error {
_, err := client.ImageRemove(ctx, image, types.ImageRemoveOptions{})
return err
}
// InspectImage inspect the specified image (can be a name, an id or a digest)
// with the specified client.
func InspectImage(ctx context.Context, client client.ImageAPIClient, image string) (types.ImageInspect, error) {
imageInspect, _, err := client.ImageInspectWithRaw(ctx, image, false)
return imageInspect, err
}