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add image graph output (dot/graphviz)
This commit is contained in:
Nate Jones
parent
64d7bc442d
commit
f4de9d919d
1 changed files with 106 additions and 65 deletions
171
commands.go
171
commands.go
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@ -608,85 +608,126 @@ func (srv *Server) CmdImages(stdin io.ReadCloser, stdout io.Writer, args ...stri
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//limit := cmd.Int("l", 0, "Only show the N most recent versions of each image")
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quiet := cmd.Bool("q", false, "only show numeric IDs")
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flAll := cmd.Bool("a", false, "show all images")
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flViz := cmd.Bool("viz", false, "output graph in graphviz format")
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if err := cmd.Parse(args); err != nil {
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return nil
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}
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if cmd.NArg() > 1 {
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cmd.Usage()
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return nil
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}
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var nameFilter string
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if cmd.NArg() == 1 {
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nameFilter = cmd.Arg(0)
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}
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w := tabwriter.NewWriter(stdout, 20, 1, 3, ' ', 0)
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if !*quiet {
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fmt.Fprintln(w, "REPOSITORY\tTAG\tID\tCREATED")
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}
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var allImages map[string]*Image
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var err error
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if *flAll {
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allImages, err = srv.runtime.graph.Map()
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} else {
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allImages, err = srv.runtime.graph.Heads()
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}
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if err != nil {
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return err
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}
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for name, repository := range srv.runtime.repositories.Repositories {
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if nameFilter != "" && name != nameFilter {
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continue
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if *flViz {
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images, _ := srv.runtime.graph.All()
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if images == nil {
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return nil
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}
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for tag, id := range repository {
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image, err := srv.runtime.graph.Get(id)
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fmt.Fprintf(stdout, "digraph G {\n")
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var parentImage *Image
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var err error
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for _, image := range images {
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parentImage, err = image.GetParent()
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if err != nil {
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log.Printf("Warning: couldn't load %s from %s/%s: %s", id, name, tag, err)
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fmt.Errorf("Error while getting parent image: %v", err)
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return nil
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}
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if parentImage != nil {
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fmt.Fprintf(stdout, " \"%s\" -> \"%s\"\n", parentImage.ShortId(), image.ShortId())
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} else {
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fmt.Fprintf(stdout, " base -> \"%s\" [style=invis]\n", image.ShortId())
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}
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}
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reporefs := make(map[string][]string)
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for name, repository := range srv.runtime.repositories.Repositories {
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for tag, id := range repository {
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reporefs[TruncateId(id)] = append(reporefs[TruncateId(id)], fmt.Sprintf("%s:%s", name, tag))
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}
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}
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for id, repos := range reporefs {
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fmt.Fprintf(stdout, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n", id, id, strings.Join(repos, "\\n"))
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}
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fmt.Fprintf(stdout, " base [style=invisible]\n")
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fmt.Fprintf(stdout, "}\n")
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} else {
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if cmd.NArg() > 1 {
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cmd.Usage()
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return nil
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}
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var nameFilter string
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if cmd.NArg() == 1 {
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nameFilter = cmd.Arg(0)
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}
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w := tabwriter.NewWriter(stdout, 20, 1, 3, ' ', 0)
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if !*quiet {
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fmt.Fprintln(w, "REPOSITORY\tTAG\tID\tCREATED")
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}
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var allImages map[string]*Image
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var err error
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if *flAll {
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allImages, err = srv.runtime.graph.Map()
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} else {
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allImages, err = srv.runtime.graph.Heads()
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}
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if err != nil {
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return err
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}
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for name, repository := range srv.runtime.repositories.Repositories {
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if nameFilter != "" && name != nameFilter {
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continue
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}
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delete(allImages, id)
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if !*quiet {
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for idx, field := range []string{
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/* REPOSITORY */ name,
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/* TAG */ tag,
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/* ID */ TruncateId(id),
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/* CREATED */ HumanDuration(time.Now().Sub(image.Created)) + " ago",
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} {
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if idx == 0 {
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w.Write([]byte(field))
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} else {
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w.Write([]byte("\t" + field))
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}
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for tag, id := range repository {
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image, err := srv.runtime.graph.Get(id)
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if err != nil {
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log.Printf("Warning: couldn't load %s from %s/%s: %s", id, name, tag, err)
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continue
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}
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delete(allImages, id)
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if !*quiet {
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for idx, field := range []string{
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/* REPOSITORY */ name,
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/* TAG */ tag,
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/* ID */ TruncateId(id),
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/* CREATED */ HumanDuration(time.Now().Sub(image.Created)) + " ago",
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} {
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if idx == 0 {
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w.Write([]byte(field))
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} else {
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w.Write([]byte("\t" + field))
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}
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}
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w.Write([]byte{'\n'})
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} else {
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stdout.Write([]byte(image.ShortId() + "\n"))
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}
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w.Write([]byte{'\n'})
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} else {
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stdout.Write([]byte(image.ShortId() + "\n"))
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}
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}
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}
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// Display images which aren't part of a
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if nameFilter == "" {
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for id, image := range allImages {
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if !*quiet {
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for idx, field := range []string{
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/* REPOSITORY */ "<none>",
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/* TAG */ "<none>",
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/* ID */ TruncateId(id),
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/* CREATED */ HumanDuration(time.Now().Sub(image.Created)) + " ago",
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} {
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if idx == 0 {
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w.Write([]byte(field))
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} else {
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w.Write([]byte("\t" + field))
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// Display images which aren't part of a
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if nameFilter == "" {
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for id, image := range allImages {
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if !*quiet {
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for idx, field := range []string{
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/* REPOSITORY */ "<none>",
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/* TAG */ "<none>",
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/* ID */ TruncateId(id),
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/* CREATED */ HumanDuration(time.Now().Sub(image.Created)) + " ago",
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} {
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if idx == 0 {
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w.Write([]byte(field))
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} else {
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w.Write([]byte("\t" + field))
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}
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}
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w.Write([]byte{'\n'})
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} else {
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stdout.Write([]byte(image.ShortId() + "\n"))
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}
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w.Write([]byte{'\n'})
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} else {
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stdout.Write([]byte(image.ShortId() + "\n"))
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}
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}
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}
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if !*quiet {
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w.Flush()
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if !*quiet {
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w.Flush()
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}
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}
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return nil
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}
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