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moby--moby/cli/command/image/list.go

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