containerd/cmd/dist/list.go
Michael Crosby 4f2b443a27 Rewrite imports for new github org
This rewrites the Go imports after switching to the new github org.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-04-03 14:05:44 -07:00

70 lines
1.6 KiB
Go

package main
import (
contextpkg "context"
"fmt"
"os"
"text/tabwriter"
"time"
"github.com/containerd/containerd/content"
"github.com/containerd/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] [<prefix>, ...]",
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.Fprintln(tw, "DIGEST\tSIZE\tAGE")
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)
},
}