// CmdLookup return an image encoded in JSON
func (s *TagStore) CmdLookup(job *engine.Job) error {
if len(job.Args) != 1 {
return fmt.Errorf("usage: %s NAME", job.Name)
}
name := job.Args[0]
if image, err := s.LookupImage(name); err == nil && image != nil {
if job.GetenvBool("raw") {
b, err := image.RawJson()
if err != nil {
return err
}
job.Stdout.Write(b)
return nil
}
out := &engine.Env{}
out.SetJson("Id", image.ID)
out.SetJson("Parent", image.Parent)
out.SetJson("Comment", image.Comment)
out.SetAuto("Created", image.Created)
out.SetJson("Container", image.Container)
out.SetJson("ContainerConfig", image.ContainerConfig)
out.SetJson("Author", image.Author)
out.SetJson("Config", image.Config)
out.Set("Architecture", image.Architecture)
out.Set("Os", image.OS)
out.SetInt64("Size", image.Size)
out.SetInt64("VirtualSize", image.GetParentsSize(0)+image.Size)
if _, err = out.WriteTo(job.Stdout); err != nil {
return err
}
return nil
}
return fmt.Errorf("No such image: %s", name)
}
func (s *TagStore) CmdImages(job *engine.Job) error {
var (
allImages map[string]*image.Image
err error
filt_tagged = true
filt_label = false
)
imageFilters, err := filters.FromParam(job.Getenv("filters"))
if err != nil {
return err
}
for name := range imageFilters {
if _, ok := acceptedImageFilterTags[name]; !ok {
return fmt.Errorf("Invalid filter '%s'", name)
}
}
if i, ok := imageFilters["dangling"]; ok {
for _, value := range i {
if strings.ToLower(value) == "true" {
filt_tagged = false
}
}
}
_, filt_label = imageFilters["label"]
if job.GetenvBool("all") && filt_tagged {
allImages, err = s.graph.Map()
} else {
allImages, err = s.graph.Heads()
}
if err != nil {
return err
}
lookup := make(map[string]*engine.Env)
s.Lock()
for repoName, repository := range s.Repositories {
if job.Getenv("filter") != "" {
if match, _ := path.Match(job.Getenv("filter"), repoName); !match {
continue
}
}
for ref, id := range repository {
imgRef := utils.ImageReference(repoName, ref)
image, err := s.graph.Get(id)
if err != nil {
log.Printf("Warning: couldn't load %s from %s: %s", id, imgRef, err)
continue
}
if out, exists := lookup[id]; exists {
if filt_tagged {
if utils.DigestReference(ref) {
out.SetList("RepoDigests", append(out.GetList("RepoDigests"), imgRef))
} else { // Tag Ref.
out.SetList("RepoTags", append(out.GetList("RepoTags"), imgRef))
}
}
} else {
// get the boolean list for if only the untagged images are requested
delete(allImages, id)
if !imageFilters.MatchKVList("label", image.ContainerConfig.Labels) {
continue
}
if filt_tagged {
out := &engine.Env{}
out.SetJson("ParentId", image.Parent)
out.SetJson("Id", image.ID)
out.SetInt64("Created", image.Created.Unix())
out.SetInt64("Size", image.Size)
out.SetInt64("VirtualSize", image.GetParentsSize(0)+image.Size)
out.SetJson("Labels", image.ContainerConfig.Labels)
if utils.DigestReference(ref) {
out.SetList("RepoTags", []string{})
out.SetList("RepoDigests", []string{imgRef})
} else {
out.SetList("RepoTags", []string{imgRef})
out.SetList("RepoDigests", []string{})
}
lookup[id] = out
}
}
}
}
s.Unlock()
outs := engine.NewTable("Created", len(lookup))
for _, value := range lookup {
outs.Add(value)
}
// Display images which aren't part of a repository/tag
if job.Getenv("filter") == "" || filt_label {
for _, image := range allImages {
if !imageFilters.MatchKVList("label", image.ContainerConfig.Labels) {
continue
}
out := &engine.Env{}
out.SetJson("ParentId", image.Parent)
out.SetList("RepoTags", []string{"<none>:<none>"})
out.SetList("RepoDigests", []string{"<none>@<none>"})
out.SetJson("Id", image.ID)
out.SetInt64("Created", image.Created.Unix())
out.SetInt64("Size", image.Size)
out.SetInt64("VirtualSize", image.GetParentsSize(0)+image.Size)
out.SetJson("Labels", image.ContainerConfig.Labels)
outs.Add(out)
}
}
outs.ReverseSort()
if _, err := outs.WriteListTo(job.Stdout); err != nil {
return err
}
return nil
}
