func (store *TagStore) LookupImage(name string) (*Image, error) {
// FIXME: standardize on returning nil when the image doesn't exist, and err for everything else
// (so we can pass all errors here)
repos, tag := utils.ParseRepositoryTag(name)
if tag == "" {
tag = DEFAULTTAG
}
img, err := store.GetImage(repos, tag)
if err != nil {
return nil, err
} else if img == nil {
if img, err = store.graph.Get(name); err != nil {
return nil, err
}
}
return img, nil
}
func (b *buildFile) CmdFrom(name string) error {
image, err := b.runtime.repositories.LookupImage(name)
if err != nil {
if b.runtime.graph.IsNotExist(err) {
remote, tag := utils.ParseRepositoryTag(name)
pullRegistryAuth := b.authConfig
if len(b.configFile.Configs) > 0 {
// The request came with a full auth config file, we prefer to use that
endpoint, _, err := registry.ResolveRepositoryName(remote)
if err != nil {
return err
}
resolvedAuth := b.configFile.ResolveAuthConfig(endpoint)
pullRegistryAuth = &resolvedAuth
}
job := b.srv.Eng.Job("pull", remote, tag)
job.SetenvBool("json", b.sf.Json())
job.SetenvBool("parallel", true)
job.SetenvJson("authConfig", pullRegistryAuth)
job.Stdout.Add(b.outOld)
if err := job.Run(); err != nil {
return err
}
image, err = b.runtime.repositories.LookupImage(name)
if err != nil {
return err
}
} else {
return err
}
}
b.image = image.ID
b.config = &Config{}
if image.Config != nil {
b.config = image.Config
}
if b.config.Env == nil || len(b.config.Env) == 0 {
b.config.Env = append(b.config.Env, "HOME=/", "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin")
}
return nil
}