64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"os"
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"text/tabwriter"
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contentapi "github.com/docker/containerd/api/services/content"
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"github.com/docker/containerd/images"
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"github.com/docker/containerd/log"
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"github.com/docker/containerd/progress"
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contentservice "github.com/docker/containerd/services/content"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var imagesCommand = cli.Command{
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Name: "images",
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Usage: "list images known to containerd",
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ArgsUsage: "[flags] <ref>",
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Description: `List images registered with containerd.`,
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Flags: []cli.Flag{},
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Action: func(clicontext *cli.Context) error {
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var (
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ctx = background
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)
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db, err := getDB(clicontext, true)
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if err != nil {
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return errors.Wrap(err, "failed to open database")
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}
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tx, err := db.Begin(false)
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if err != nil {
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return errors.Wrap(err, "could not start transaction")
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}
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defer tx.Rollback()
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conn, err := connectGRPC(clicontext)
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if err != nil {
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return err
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}
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provider := contentservice.NewProviderFromClient(contentapi.NewContentClient(conn))
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images, err := images.List(tx)
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if err != nil {
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return errors.Wrap(err, "failed to list images")
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}
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tw := tabwriter.NewWriter(os.Stdout, 1, 8, 1, ' ', 0)
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fmt.Fprintln(tw, "REF\tTYPE\tDIGEST\tSIZE\t")
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for _, image := range images {
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size, err := image.Size(ctx, provider)
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if err != nil {
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log.G(ctx).WithError(err).Errorf("failed calculating size for image %s", image.Name)
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}
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fmt.Fprintf(tw, "%v\t%v\t%v\t%v\t\n", image.Name, image.Descriptor.MediaType, image.Descriptor.Digest, progress.Bytes(size))
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}
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tw.Flush()
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return nil
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},
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}
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