125 lines
3.5 KiB
Go
125 lines
3.5 KiB
Go
package client
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import (
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"fmt"
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"strings"
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"text/tabwriter"
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"time"
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"github.com/docker/distribution/reference"
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"github.com/docker/docker/api/client/lib"
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Cli "github.com/docker/docker/cli"
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"github.com/docker/docker/opts"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/parsers/filters"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/units"
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)
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// CmdImages lists the images in a specified repository, or all top-level images if no repository is specified.
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//
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// Usage: docker images [OPTIONS] [REPOSITORY]
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func (cli *DockerCli) CmdImages(args ...string) error {
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cmd := Cli.Subcmd("images", []string{"[REPOSITORY[:TAG]]"}, Cli.DockerCommands["images"].Description, true)
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quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
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all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (default hides intermediate images)")
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noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output")
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showDigests := cmd.Bool([]string{"-digests"}, false, "Show digests")
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flFilter := opts.NewListOpts(nil)
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cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
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cmd.Require(flag.Max, 1)
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cmd.ParseFlags(args, true)
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// Consolidate all filter flags, and sanity check them early.
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// They'll get process in the daemon/server.
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imageFilterArgs := filters.NewArgs()
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for _, f := range flFilter.GetAll() {
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var err error
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imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
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if err != nil {
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return err
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}
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}
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var matchName string
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if cmd.NArg() == 1 {
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matchName = cmd.Arg(0)
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}
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options := lib.ImageListOptions{
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MatchName: matchName,
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All: *all,
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Filters: imageFilterArgs,
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}
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images, err := cli.client.ImageList(options)
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
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if !*quiet {
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if *showDigests {
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fmt.Fprintln(w, "REPOSITORY\tTAG\tDIGEST\tIMAGE ID\tCREATED\tSIZE")
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} else {
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fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tSIZE")
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}
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}
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for _, image := range images {
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ID := image.ID
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if !*noTrunc {
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ID = stringid.TruncateID(ID)
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}
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repoTags := image.RepoTags
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repoDigests := image.RepoDigests
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if len(repoTags) == 1 && repoTags[0] == "<none>:<none>" && len(repoDigests) == 1 && repoDigests[0] == "<none>@<none>" {
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// dangling image - clear out either repoTags or repoDigsts so we only show it once below
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repoDigests = []string{}
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}
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// combine the tags and digests lists
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tagsAndDigests := append(repoTags, repoDigests...)
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for _, repoAndRef := range tagsAndDigests {
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// default repo, tag, and digest to none - if there's a value, it'll be set below
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repo := "<none>"
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tag := "<none>"
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digest := "<none>"
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if !strings.HasPrefix(repoAndRef, "<none>") {
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ref, err := reference.ParseNamed(repoAndRef)
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if err != nil {
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return err
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}
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repo = ref.Name()
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switch x := ref.(type) {
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case reference.Digested:
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digest = x.Digest().String()
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case reference.Tagged:
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tag = x.Tag()
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}
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}
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if !*quiet {
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if *showDigests {
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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.Size)))
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} else {
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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.Size)))
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}
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} else {
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fmt.Fprintln(w, ID)
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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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}
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return nil
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}
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