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moby--moby/api/client/image/images.go

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package image
import (
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/api/client/formatter"
"github.com/docker/docker/cli"
"github.com/docker/engine-api/types"
"github.com/docker/engine-api/types/filters"
"github.com/spf13/cobra"
)
type imagesOptions struct {
matchName string
quiet bool
all bool
noTrunc bool
showDigests bool
format string
filter []string
}
// NewImagesCommand create a new `docker images` command
func NewImagesCommand(dockerCli *client.DockerCli) *cobra.Command {
var opts imagesOptions
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.StringSliceVarP(&opts.filter, "filter", "f", []string{}, "Filter output based on conditions provided")
return cmd
}
func runImages(dockerCli *client.DockerCli, opts imagesOptions) error {
ctx := context.Background()
// Consolidate all filter flags, and sanity check them early.
// They'll get process in the daemon/server.
imageFilterArgs := filters.NewArgs()
for _, f := range opts.filter {
var err error
imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
if err != nil {
return err
}
}
matchName := opts.matchName
options := types.ImageListOptions{
MatchName: matchName,
All: opts.all,
Filters: imageFilterArgs,
}
images, err := dockerCli.Client().ImageList(ctx, options)
if err != nil {
return err
}
f := opts.format
if len(f) == 0 {
if len(dockerCli.ImagesFormat()) > 0 && !opts.quiet {
f = dockerCli.ImagesFormat()
} else {
f = "table"
}
}
imagesCtx := formatter.ImageContext{
Context: formatter.Context{
Output: dockerCli.Out(),
Format: f,
Quiet: opts.quiet,
Trunc: !opts.noTrunc,
},
Digest: opts.showDigests,
Images: images,
}
imagesCtx.Write()
return nil
}