func (b *Builder) pullImage(name string) (*imagepkg.Image, error) {
remote, tag := parsers.ParseRepositoryTag(name)
if tag == "" {
tag = "latest"
}
pullRegistryAuth := b.AuthConfig
if len(b.ConfigFile.AuthConfigs) > 0 {
// The request came with a full auth config file, we prefer to use that
repoInfo, err := b.Daemon.RegistryService.ResolveRepository(remote)
if err != nil {
return nil, err
}
resolvedAuth := registry.ResolveAuthConfig(b.ConfigFile, repoInfo.Index)
pullRegistryAuth = &resolvedAuth
}
imagePullConfig := &graph.ImagePullConfig{
AuthConfig: pullRegistryAuth,
OutStream: ioutils.NopWriteCloser(b.OutOld),
}
if err := b.Daemon.Repositories().Pull(remote, tag, imagePullConfig); err != nil {
return nil, err
}
image, err := b.Daemon.Repositories().LookupImage(name)
if err != nil {
return nil, err
}
return image, nil
}
// register makes a container object usable by the daemon as <container.ID>
func (daemon *Daemon) register(container *Container, updateSuffixarray bool) error {
if container.daemon != nil || daemon.Exists(container.ID) {
return fmt.Errorf("Container is already loaded")
}
if err := validateID(container.ID); err != nil {
return err
}
if err := daemon.ensureName(container); err != nil {
return err
}
if daemon == nil {
glog.Error("daemon can not be nil")
return fmt.Errorf("daemon can not be nil")
}
container.daemon = daemon
// Attach to stdout and stderr
container.stderr = broadcastwriter.New()
container.stdout = broadcastwriter.New()
// Attach to stdin
if container.Config.OpenStdin {
container.stdin, container.stdinPipe = io.Pipe()
} else {
container.stdinPipe = ioutils.NopWriteCloser(ioutil.Discard) // Silently drop stdin
}
// done
daemon.containers.Add(container.ID, container)
// don't update the Suffixarray if we're starting up
// we'll waste time if we update it for every container
daemon.idIndex.Add(container.ID)
if container.IsRunning() {
glog.Infof("killing old running container %s", container.ID)
container.SetStopped(&ExitStatus{ExitCode: 0})
if err := container.Unmount(); err != nil {
glog.V(1).Infof("unmount error %s", err)
}
if err := container.ToDisk(); err != nil {
glog.V(1).Infof("saving stopped state to disk %s", err)
}
}
return nil
}