// Test that an image can be deleted by its shorthand prefix
func TestDeletePrefix(t *testing.T) {
graph := tempGraph(t)
defer os.RemoveAll(graph.Root)
img := createTestImage(graph, t)
if err := graph.Delete(utils.TruncateId(img.Id)); err != nil {
t.Fatal(err)
}
assertNImages(graph, t, 0)
}
func (srv *Server) ImagesViz(out io.Writer) error {
images, _ := srv.runtime.graph.All()
if images == nil {
return nil
}
out.Write([]byte("digraph docker {\n"))
var (
parentImage *Image
err error
)
for _, image := range images {
parentImage, err = image.GetParent()
if err != nil {
return fmt.Errorf("Error while getting parent image: %v", err)
}
if parentImage != nil {
out.Write([]byte(" \"" + parentImage.ShortId() + "\" -> \"" + image.ShortId() + "\"\n"))
} else {
out.Write([]byte(" base -> \"" + image.ShortId() + "\" [style=invis]\n"))
}
}
reporefs := make(map[string][]string)
for name, repository := range srv.runtime.repositories.Repositories {
for tag, id := range repository {
reporefs[utils.TruncateId(id)] = append(reporefs[utils.TruncateId(id)], fmt.Sprintf("%s:%s", name, tag))
}
}
for id, repos := range reporefs {
out.Write([]byte(" \"" + id + "\" [label=\"" + id + "\\n" + strings.Join(repos, "\\n") + "\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n"))
}
out.Write([]byte(" base [style=invisible]\n}\n"))
return nil
}
func (cli *DockerCli) CmdPs(args ...string) error {
cmd := Subcmd("ps", "[OPTIONS]", "List containers")
quiet := cmd.Bool("q", false, "Only display numeric IDs")
all := cmd.Bool("a", false, "Show all containers. Only running containers are shown by default.")
noTrunc := cmd.Bool("notrunc", false, "Don't truncate output")
nLatest := cmd.Bool("l", false, "Show only the latest created container, include non-running ones.")
since := cmd.String("sinceId", "", "Show only containers created since Id, include non-running ones.")
before := cmd.String("beforeId", "", "Show only container created before Id, include non-running ones.")
last := cmd.Int("n", -1, "Show n last created containers, include non-running ones.")
if err := cmd.Parse(args); err != nil {
return nil
}
v := url.Values{}
if *last == -1 && *nLatest {
*last = 1
}
if *all {
v.Set("all", "1")
}
if *last != -1 {
v.Set("limit", strconv.Itoa(*last))
}
if *since != "" {
v.Set("since", *since)
}
if *before != "" {
v.Set("before", *before)
}
body, _, err := cli.call("GET", "/containers/json?"+v.Encode(), nil)
if err != nil {
return err
}
var outs []ApiContainers
err = json.Unmarshal(body, &outs)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
if !*quiet {
fmt.Fprintln(w, "ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS")
}
for _, out := range outs {
if !*quiet {
if *noTrunc {
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\n", out.Id, out.Image, out.Command, utils.HumanDuration(time.Now().Sub(time.Unix(out.Created, 0))), out.Status, out.Ports)
} else {
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\n", utils.TruncateId(out.Id), out.Image, utils.Trunc(out.Command, 20), utils.HumanDuration(time.Now().Sub(time.Unix(out.Created, 0))), out.Status, out.Ports)
}
} else {
if *noTrunc {
fmt.Fprintln(w, out.Id)
} else {
fmt.Fprintln(w, utils.TruncateId(out.Id))
}
}
}
if !*quiet {
w.Flush()
}
return nil
}
func (cli *DockerCli) CmdImages(args ...string) error {
cmd := Subcmd("images", "[OPTIONS] [NAME]", "List images")
quiet := cmd.Bool("q", false, "only show numeric IDs")
all := cmd.Bool("a", false, "show all images")
noTrunc := cmd.Bool("notrunc", false, "Don't truncate output")
flViz := cmd.Bool("viz", false, "output graph in graphviz format")
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() > 1 {
cmd.Usage()
return nil
}
if *flViz {
body, _, err := cli.call("GET", "/images/viz", false)
if err != nil {
return err
}
fmt.Printf("%s", body)
} else {
v := url.Values{}
if cmd.NArg() == 1 {
v.Set("filter", cmd.Arg(0))
}
if *all {
v.Set("all", "1")
}
body, _, err := cli.call("GET", "/images/json?"+v.Encode(), nil)
if err != nil {
return err
}
var outs []ApiImages
err = json.Unmarshal(body, &outs)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
if !*quiet {
fmt.Fprintln(w, "REPOSITORY\tTAG\tID\tCREATED")
}
for _, out := range outs {
if out.Repository == "" {
out.Repository = "<none>"
}
if out.Tag == "" {
out.Tag = "<none>"
}
if !*quiet {
fmt.Fprintf(w, "%s\t%s\t", out.Repository, out.Tag)
if *noTrunc {
fmt.Fprintf(w, "%s\t", out.Id)
} else {
fmt.Fprintf(w, "%s\t", utils.TruncateId(out.Id))
}
fmt.Fprintf(w, "%s ago\n", utils.HumanDuration(time.Now().Sub(time.Unix(out.Created, 0))))
} else {
if *noTrunc {
fmt.Fprintln(w, out.Id)
} else {
fmt.Fprintln(w, utils.TruncateId(out.Id))
}
}
}
if !*quiet {
w.Flush()
}
}
return nil
}
// ShortId returns a shorthand version of the container's id for convenience.
// A collision with other container shorthands is very unlikely, but possible.
// In case of a collision a lookup with Runtime.Get() will fail, and the caller
// will need to use a langer prefix, or the full-length container Id.
func (container *Container) ShortId() string {
return utils.TruncateId(container.Id)
}
func (image *Image) ShortId() string {
return utils.TruncateId(image.Id)
}
func (store *TagStore) ImageName(id string) string {
if names, exists := store.ById()[id]; exists && len(names) > 0 {
return names[0]
}
return utils.TruncateId(id)
}