102 lines
2.5 KiB
Go
102 lines
2.5 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/containerd/containerd/api/services/content"
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"github.com/containerd/containerd/images"
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"github.com/containerd/containerd/log"
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"github.com/containerd/containerd/progress"
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contentservice "github.com/containerd/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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var rmiCommand = cli.Command{
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Name: "rmi",
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Usage: "Delete one or more images by reference.",
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ArgsUsage: "[flags] <ref> [<ref>, ...]",
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Description: `Delete one or more images by reference.`,
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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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exitErr error
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)
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db, err := getDB(clicontext, false)
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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(true)
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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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for _, target := range clicontext.Args() {
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if err := images.Delete(tx, target); err != nil {
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if exitErr == nil {
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exitErr = errors.Wrapf(err, "unable to delete %v", target)
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}
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log.G(ctx).WithError(err).Errorf("unable to delete %v", target)
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}
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fmt.Println(target)
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}
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return exitErr
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},
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}
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