func (b *Builder) pullImage(name string) (*imagepkg.Image, error) {
remote, tag := parsers.ParseRepositoryTag(name)
if tag == "" {
tag = "latest"
}
job := b.Engine.Job("pull", remote, tag)
pullRegistryAuth := b.AuthConfig
if len(b.AuthConfigFile.Configs) > 0 {
// The request came with a full auth config file, we prefer to use that
repoInfo, err := registry.ResolveRepositoryInfo(job, remote)
if err != nil {
return nil, err
}
resolvedAuth := b.AuthConfigFile.ResolveAuthConfig(repoInfo.Index)
pullRegistryAuth = &resolvedAuth
}
job.SetenvBool("json", b.StreamFormatter.Json())
job.SetenvBool("parallel", true)
job.SetenvJson("authConfig", pullRegistryAuth)
job.Stdout.Add(ioutils.NopWriteCloser(b.OutOld))
if err := job.Run(); err != nil {
return nil, err
}
image, err := b.Daemon.Repositories().LookupImage(name)
if err != nil {
return nil, err
}
return image, nil
}
// FIXME: Allow to interrupt current push when new push of same image is done.
func (s *TagStore) CmdPush(job *engine.Job) engine.Status {
if n := len(job.Args); n != 1 {
return job.Errorf("Usage: %s IMAGE", job.Name)
}
var (
localName = job.Args[0]
sf = utils.NewStreamFormatter(job.GetenvBool("json"))
authConfig = ®istry.AuthConfig{}
metaHeaders map[string][]string
)
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ResolveRepositoryInfo(job, localName)
if err != nil {
return job.Error(err)
}
tag := job.Getenv("tag")
job.GetenvJson("authConfig", authConfig)
job.GetenvJson("metaHeaders", &metaHeaders)
if _, err := s.poolAdd("push", repoInfo.LocalName); err != nil {
return job.Error(err)
}
defer s.poolRemove("push", repoInfo.LocalName)
endpoint, err := repoInfo.GetEndpoint()
if err != nil {
return job.Error(err)
}
img, err := s.graph.Get(repoInfo.LocalName)
r, err2 := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, false)
if err2 != nil {
return job.Error(err2)
}
if err != nil {
reposLen := 1
if tag == "" {
reposLen = len(s.Repositories[repoInfo.LocalName])
}
job.Stdout.Write(sf.FormatStatus("", "The push refers to a repository [%s] (len: %d)", repoInfo.CanonicalName, reposLen))
// If it fails, try to get the repository
if localRepo, exists := s.Repositories[repoInfo.LocalName]; exists {
if err := s.pushRepository(r, job.Stdout, repoInfo, localRepo, tag, sf); err != nil {
return job.Error(err)
}
return engine.StatusOK
}
return job.Error(err)
}
var token []string
job.Stdout.Write(sf.FormatStatus("", "The push refers to an image: [%s]", repoInfo.CanonicalName))
if _, err := s.pushImage(r, job.Stdout, img.ID, endpoint.String(), token, sf); err != nil {
return job.Error(err)
}
return engine.StatusOK
}
func (s *TagStore) CmdPull(job *engine.Job) engine.Status {
if n := len(job.Args); n != 1 && n != 2 {
return job.Errorf("Usage: %s IMAGE [TAG]", job.Name)
}
var (
localName = job.Args[0]
tag string
sf = utils.NewStreamFormatter(job.GetenvBool("json"))
authConfig = ®istry.AuthConfig{}
metaHeaders map[string][]string
)
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ResolveRepositoryInfo(job, localName)
if err != nil {
return job.Error(err)
}
if len(job.Args) > 1 {
tag = job.Args[1]
}
job.GetenvJson("authConfig", authConfig)
job.GetenvJson("metaHeaders", &metaHeaders)
c, err := s.poolAdd("pull", repoInfo.LocalName+":"+tag)
if err != nil {
if c != nil {
// Another pull of the same repository is already taking place; just wait for it to finish
job.Stdout.Write(sf.FormatStatus("", "Repository %s already being pulled by another client. Waiting.", repoInfo.LocalName))
<-c
return engine.StatusOK
}
return job.Error(err)
}
defer s.poolRemove("pull", repoInfo.LocalName+":"+tag)
log.Debugf("pulling image from host %q with remote name %q", repoInfo.Index.Name, repoInfo.RemoteName)
endpoint, err := repoInfo.GetEndpoint()
if err != nil {
return job.Error(err)
}
r, err := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, true)
if err != nil {
return job.Error(err)
}
logName := repoInfo.LocalName
if tag != "" {
logName += ":" + tag
}
if len(repoInfo.Index.Mirrors) == 0 && (repoInfo.Index.Official || endpoint.Version == registry.APIVersion2) {
j := job.Eng.Job("trust_update_base")
if err = j.Run(); err != nil {
log.Errorf("error updating trust base graph: %s", err)
}
log.Debugf("pulling v2 repository with local name %q", repoInfo.LocalName)
if err := s.pullV2Repository(job.Eng, r, job.Stdout, repoInfo, tag, sf, job.GetenvBool("parallel")); err == nil {
if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
}
return engine.StatusOK
} else if err != registry.ErrDoesNotExist {
log.Errorf("Error from V2 registry: %s", err)
}
log.Debug("image does not exist on v2 registry, falling back to v1")
}
log.Debugf("pulling v1 repository with local name %q", repoInfo.LocalName)
if err = s.pullRepository(r, job.Stdout, repoInfo, tag, sf, job.GetenvBool("parallel")); err != nil {
return job.Error(err)
}
if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
log.Errorf("Error logging event 'pull' for %s: %s", logName, err)
}
return engine.StatusOK
}
// FIXME: Allow to interrupt current push when new push of same image is done.
func (s *TagStore) CmdPush(job *engine.Job) engine.Status {
if n := len(job.Args); n != 1 {
return job.Errorf("Usage: %s IMAGE", job.Name)
}
var (
localName = job.Args[0]
sf = utils.NewStreamFormatter(job.GetenvBool("json"))
authConfig = ®istry.AuthConfig{}
metaHeaders map[string][]string
)
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ResolveRepositoryInfo(job, localName)
if err != nil {
return job.Error(err)
}
tag := job.Getenv("tag")
job.GetenvJson("authConfig", authConfig)
job.GetenvJson("metaHeaders", &metaHeaders)
if _, err := s.poolAdd("push", repoInfo.LocalName); err != nil {
return job.Error(err)
}
defer s.poolRemove("push", repoInfo.LocalName)
endpoint, err := repoInfo.GetEndpoint()
if err != nil {
return job.Error(err)
}
r, err := registry.NewSession(authConfig, registry.HTTPRequestFactory(metaHeaders), endpoint, false)
if err != nil {
return job.Error(err)
}
if endpoint.Version == registry.APIVersion2 {
err := s.pushV2Repository(r, job.Eng, job.Stdout, repoInfo, tag, sf)
if err == nil {
return engine.StatusOK
}
if err != ErrV2RegistryUnavailable {
return job.Errorf("Error pushing to registry: %s", err)
}
}
reposLen := 1
if tag == "" {
reposLen = len(s.Repositories[repoInfo.LocalName])
}
job.Stdout.Write(sf.FormatStatus("", "The push refers to a repository [%s] (len: %d)", repoInfo.CanonicalName, reposLen))
// If it fails, try to get the repository
localRepo, exists := s.Repositories[repoInfo.LocalName]
if !exists {
return job.Errorf("Repository does not exist: %s", repoInfo.LocalName)
}
if err := s.pushRepository(r, job.Stdout, repoInfo, localRepo, tag, sf); err != nil {
return job.Error(err)
}
return engine.StatusOK
}