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103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package image
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import (
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/api/client/formatter"
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"github.com/docker/docker/cli"
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"github.com/docker/engine-api/types"
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"github.com/docker/engine-api/types/filters"
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"github.com/spf13/cobra"
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)
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type imagesOptions struct {
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matchName string
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quiet bool
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all bool
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noTrunc bool
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showDigests bool
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format string
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filter []string
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}
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// NewImagesCommand creates a new `docker images` command
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func NewImagesCommand(dockerCli *client.DockerCli) *cobra.Command {
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var opts imagesOptions
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cmd := &cobra.Command{
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Use: "images [OPTIONS] [REPOSITORY[:TAG]]",
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Short: "List images",
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Args: cli.RequiresMaxArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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if len(args) > 0 {
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opts.matchName = args[0]
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}
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return runImages(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only show numeric IDs")
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flags.BoolVarP(&opts.all, "all", "a", false, "Show all images (default hides intermediate images)")
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output")
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flags.BoolVar(&opts.showDigests, "digests", false, "Show digests")
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flags.StringVar(&opts.format, "format", "", "Pretty-print images using a Go template")
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flags.StringSliceVarP(&opts.filter, "filter", "f", []string{}, "Filter output based on conditions provided")
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return cmd
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}
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func runImages(dockerCli *client.DockerCli, opts imagesOptions) error {
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ctx := context.Background()
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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 opts.filter {
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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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matchName := opts.matchName
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options := types.ImageListOptions{
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MatchName: matchName,
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All: opts.all,
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Filters: imageFilterArgs,
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}
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images, err := dockerCli.Client().ImageList(ctx, options)
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if err != nil {
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return err
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}
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f := opts.format
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if len(f) == 0 {
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if len(dockerCli.ConfigFile().ImagesFormat) > 0 && !opts.quiet {
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f = dockerCli.ConfigFile().ImagesFormat
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} else {
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f = "table"
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}
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}
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imagesCtx := formatter.ImageContext{
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Context: formatter.Context{
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Output: dockerCli.Out(),
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Format: f,
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Quiet: opts.quiet,
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Trunc: !opts.noTrunc,
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},
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Digest: opts.showDigests,
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Images: images,
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}
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imagesCtx.Write()
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return nil
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}
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