package main import ( contextpkg "context" "fmt" "os" "text/tabwriter" "time" "github.com/docker/containerd/content" "github.com/docker/containerd/log" units "github.com/docker/go-units" digest "github.com/opencontainers/go-digest" "github.com/urfave/cli" ) var listCommand = cli.Command{ Name: "list", Aliases: []string{"ls"}, Usage: "list all blobs in the store.", ArgsUsage: "[flags] [, ...]", Description: `List blobs in the content store.`, Flags: []cli.Flag{ cli.BoolFlag{ Name: "quiet, q", Usage: "print only the blob digest", }, }, Action: func(context *cli.Context) error { var ( ctx = contextpkg.Background() quiet = context.Bool("quiet") args = []string(context.Args()) ) cs, err := resolveContentStore(context) if err != nil { return err } if len(args) > 0 { // TODO(stevvooe): Implement selection of a few blobs. Not sure // what kind of efficiency gains we can actually get here. log.G(ctx).Warnf("args ignored; need to implement matchers") } var walkFn content.WalkFunc if quiet { walkFn = func(path string, fi os.FileInfo, dgst digest.Digest) error { fmt.Println(dgst) return nil } } else { tw := tabwriter.NewWriter(os.Stdout, 1, 8, 1, '\t', 0) defer tw.Flush() fmt.Fprintf(tw, "DIGEST\tSIZE\tAGE\n") walkFn = func(path string, fi os.FileInfo, dgst digest.Digest) error { fmt.Fprintf(tw, "%s\t%s\t%s\n", dgst, units.HumanSize(float64(fi.Size())), units.HumanDuration(time.Since(fi.ModTime()))) return nil } } return cs.Walk(walkFn) }, }