github.com/vieux/docker@v0.6.3-0.20161004191708-e097c2a938c7/cli/command/image/list.go (about)

     1  package image
     2  
     3  import (
     4  	"golang.org/x/net/context"
     5  
     6  	"github.com/docker/docker/api/types"
     7  	"github.com/docker/docker/cli"
     8  	"github.com/docker/docker/cli/command"
     9  	"github.com/docker/docker/cli/command/formatter"
    10  	"github.com/docker/docker/opts"
    11  	"github.com/spf13/cobra"
    12  )
    13  
    14  type imagesOptions struct {
    15  	matchName string
    16  
    17  	quiet       bool
    18  	all         bool
    19  	noTrunc     bool
    20  	showDigests bool
    21  	format      string
    22  	filter      opts.FilterOpt
    23  }
    24  
    25  // NewImagesCommand creates a new `docker images` command
    26  func NewImagesCommand(dockerCli *command.DockerCli) *cobra.Command {
    27  	opts := imagesOptions{filter: opts.NewFilterOpt()}
    28  
    29  	cmd := &cobra.Command{
    30  		Use:   "images [OPTIONS] [REPOSITORY[:TAG]]",
    31  		Short: "List images",
    32  		Args:  cli.RequiresMaxArgs(1),
    33  		RunE: func(cmd *cobra.Command, args []string) error {
    34  			if len(args) > 0 {
    35  				opts.matchName = args[0]
    36  			}
    37  			return runImages(dockerCli, opts)
    38  		},
    39  	}
    40  
    41  	flags := cmd.Flags()
    42  
    43  	flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only show numeric IDs")
    44  	flags.BoolVarP(&opts.all, "all", "a", false, "Show all images (default hides intermediate images)")
    45  	flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output")
    46  	flags.BoolVar(&opts.showDigests, "digests", false, "Show digests")
    47  	flags.StringVar(&opts.format, "format", "", "Pretty-print images using a Go template")
    48  	flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
    49  
    50  	return cmd
    51  }
    52  
    53  func newListCommand(dockerCli *command.DockerCli) *cobra.Command {
    54  	cmd := *NewImagesCommand(dockerCli)
    55  	cmd.Aliases = []string{"images", "list"}
    56  	cmd.Use = "ls [OPTIONS] [REPOSITORY[:TAG]]"
    57  	return &cmd
    58  }
    59  
    60  func runImages(dockerCli *command.DockerCli, opts imagesOptions) error {
    61  	ctx := context.Background()
    62  
    63  	options := types.ImageListOptions{
    64  		MatchName: opts.matchName,
    65  		All:       opts.all,
    66  		Filters:   opts.filter.Value(),
    67  	}
    68  
    69  	images, err := dockerCli.Client().ImageList(ctx, options)
    70  	if err != nil {
    71  		return err
    72  	}
    73  
    74  	format := opts.format
    75  	if len(format) == 0 {
    76  		if len(dockerCli.ConfigFile().ImagesFormat) > 0 && !opts.quiet {
    77  			format = dockerCli.ConfigFile().ImagesFormat
    78  		} else {
    79  			format = formatter.TableFormatKey
    80  		}
    81  	}
    82  
    83  	imageCtx := formatter.ImageContext{
    84  		Context: formatter.Context{
    85  			Output: dockerCli.Out(),
    86  			Format: formatter.NewImageFormat(format, opts.quiet, opts.showDigests),
    87  			Trunc:  !opts.noTrunc,
    88  		},
    89  		Digest: opts.showDigests,
    90  	}
    91  	return formatter.ImageWrite(imageCtx, images)
    92  }