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moby--moby/api/client/images.go
Doug Davis 065648a832 Last step in removing engine.Tabel from api/client/*
Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-04-06 10:55:53 -07:00

273 lines
7.9 KiB
Go

package client
import (
"encoding/json"
"fmt"
"net/url"
"strings"
"text/tabwriter"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/opts"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/pkg/parsers"
"github.com/docker/docker/pkg/parsers/filters"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/pkg/units"
"github.com/docker/docker/utils"
)
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
func (cli *DockerCli) WalkTree(noTrunc bool, images []*types.Image, byParent map[string][]*types.Image, prefix string, printNode func(cli *DockerCli, noTrunc bool, image *types.Image, prefix string)) {
length := len(images)
if length > 1 {
for index, image := range images {
if index+1 == length {
printNode(cli, noTrunc, image, prefix+"└─")
if subimages, exists := byParent[image.ID]; exists {
cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
}
} else {
printNode(cli, noTrunc, image, prefix+"\u251C─")
if subimages, exists := byParent[image.ID]; exists {
cli.WalkTree(noTrunc, subimages, byParent, prefix+"\u2502 ", printNode)
}
}
}
} else {
for _, image := range images {
printNode(cli, noTrunc, image, prefix+"└─")
if subimages, exists := byParent[image.ID]; exists {
cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
}
}
}
}
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
func (cli *DockerCli) printVizNode(noTrunc bool, image *types.Image, prefix string) {
var (
imageID string
parentID string
)
if noTrunc {
imageID = image.ID
parentID = image.ParentId
} else {
imageID = stringid.TruncateID(image.ID)
parentID = stringid.TruncateID(image.ParentId)
}
if parentID == "" {
fmt.Fprintf(cli.out, " base -> \"%s\" [style=invis]\n", imageID)
} else {
fmt.Fprintf(cli.out, " \"%s\" -> \"%s\"\n", parentID, imageID)
}
if image.RepoTags[0] != "<none>:<none>" {
fmt.Fprintf(cli.out, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n",
imageID, imageID, strings.Join(image.RepoTags, "\\n"))
}
}
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
func (cli *DockerCli) printTreeNode(noTrunc bool, image *types.Image, prefix string) {
var imageID string
if noTrunc {
imageID = image.ID
} else {
imageID = stringid.TruncateID(image.ID)
}
fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(float64(image.VirtualSize)))
if image.RepoTags[0] != "<none>:<none>" {
fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.RepoTags, ", "))
} else {
fmt.Fprint(cli.out, "\n")
}
}
// CmdImages lists the images in a specified repository, or all top-level images if no repository is specified.
//
// Usage: docker images [OPTIONS] [REPOSITORY]
func (cli *DockerCli) CmdImages(args ...string) error {
cmd := cli.Subcmd("images", "[REPOSITORY]", "List images", true)
quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (default hides intermediate images)")
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
showDigests := cmd.Bool([]string{"-digests"}, false, "Show digests")
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
flViz := cmd.Bool([]string{"#v", "#viz", "#-viz"}, false, "Output graph in graphviz format")
flTree := cmd.Bool([]string{"#t", "#tree", "#-tree"}, false, "Output graph in tree format")
flFilter := opts.NewListOpts(nil)
cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
cmd.Require(flag.Max, 1)
cmd.ParseFlags(args, true)
// Consolidate all filter flags, and sanity check them early.
// They'll get process in the daemon/server.
imageFilterArgs := filters.Args{}
for _, f := range flFilter.GetAll() {
var err error
imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
if err != nil {
return err
}
}
matchName := cmd.Arg(0)
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
if *flViz || *flTree {
v := url.Values{
"all": []string{"1"},
}
if len(imageFilterArgs) > 0 {
filterJSON, err := filters.ToParam(imageFilterArgs)
if err != nil {
return err
}
v.Set("filters", filterJSON)
}
rdr, _, err := cli.call("GET", "/images/json?"+v.Encode(), nil, nil)
if err != nil {
return err
}
images := []types.Image{}
err = json.NewDecoder(rdr).Decode(&images)
if err != nil {
return err
}
var (
printNode func(cli *DockerCli, noTrunc bool, image *types.Image, prefix string)
startImage *types.Image
roots = []*types.Image{}
byParent = make(map[string][]*types.Image)
)
for _, image := range images {
if image.ParentId == "" {
roots = append(roots, &image)
} else {
if children, exists := byParent[image.ParentId]; exists {
children = append(children, &image)
} else {
byParent[image.ParentId] = []*types.Image{&image}
}
}
if matchName != "" {
if matchName == image.ID || matchName == stringid.TruncateID(image.ID) {
startImage = &image
}
for _, repotag := range image.RepoTags {
if repotag == matchName {
startImage = &image
}
}
}
}
if *flViz {
fmt.Fprintf(cli.out, "digraph docker {\n")
printNode = (*DockerCli).printVizNode
} else {
printNode = (*DockerCli).printTreeNode
}
if startImage != nil {
root := []*types.Image{startImage}
cli.WalkTree(*noTrunc, root, byParent, "", printNode)
} else if matchName == "" {
cli.WalkTree(*noTrunc, roots, byParent, "", printNode)
}
if *flViz {
fmt.Fprintf(cli.out, " base [style=invisible]\n}\n")
}
} else {
v := url.Values{}
if len(imageFilterArgs) > 0 {
filterJSON, err := filters.ToParam(imageFilterArgs)
if err != nil {
return err
}
v.Set("filters", filterJSON)
}
if cmd.NArg() == 1 {
// FIXME rename this parameter, to not be confused with the filters flag
v.Set("filter", matchName)
}
if *all {
v.Set("all", "1")
}
rdr, _, err := cli.call("GET", "/images/json?"+v.Encode(), nil, nil)
if err != nil {
return err
}
images := []types.Image{}
err = json.NewDecoder(rdr).Decode(&images)
if err != nil {
return err
}
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
if !*quiet {
if *showDigests {
fmt.Fprintln(w, "REPOSITORY\tTAG\tDIGEST\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
} else {
fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
}
}
for _, image := range images {
ID := image.ID
if !*noTrunc {
ID = stringid.TruncateID(ID)
}
repoTags := image.RepoTags
repoDigests := image.RepoDigests
if len(repoTags) == 1 && repoTags[0] == "<none>:<none>" && len(repoDigests) == 1 && repoDigests[0] == "<none>@<none>" {
// dangling image - clear out either repoTags or repoDigsts so we only show it once below
repoDigests = []string{}
}
// combine the tags and digests lists
tagsAndDigests := append(repoTags, repoDigests...)
for _, repoAndRef := range tagsAndDigests {
repo, ref := parsers.ParseRepositoryTag(repoAndRef)
// default tag and digest to none - if there's a value, it'll be set below
tag := "<none>"
digest := "<none>"
if utils.DigestReference(ref) {
digest = ref
} else {
tag = ref
}
if !*quiet {
if *showDigests {
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s ago\t%s\n", repo, tag, digest, ID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(int64(image.Created), 0))), units.HumanSize(float64(image.VirtualSize)))
} else {
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\n", repo, tag, ID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(int64(image.Created), 0))), units.HumanSize(float64(image.VirtualSize)))
}
} else {
fmt.Fprintln(w, ID)
}
}
}
if !*quiet {
w.Flush()
}
}
return nil
}