Don't set image on containerd container.

We aren't using containerd's image store, so we shouldn't be setting
this value.

This fixes container checkpoints, where containerd attempts to
checkpoint the image since one is set, but the image does not exist in
containerd.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

daemon/start.go

@@ -5,9 +5,6 @@ import (
 	"runtime"
 	"time"
 
-	"github.com/containerd/containerd"
-	"github.com/containerd/containerd/containers"
-	"github.com/docker/distribution/reference"
 	"github.com/docker/docker/api/types"
 	containertypes "github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/container"
@@ -181,12 +178,7 @@ func (daemon *Daemon) containerStart(container *container.Container, checkpoint
 
 	ctx := context.TODO()
 
-	imageRef, err := reference.ParseNormalizedNamed(container.Config.Image)
-	if err != nil {
-		return err
-	}
-
-	err = daemon.containerd.Create(ctx, container.ID, spec, shim, createOptions, withImageName(imageRef.String()))
+	err = daemon.containerd.Create(ctx, container.ID, spec, shim, createOptions)
 	if err != nil {
 		if errdefs.IsConflict(err) {
 			logrus.WithError(err).WithField("container", container.ID).Error("Container not cleaned up from containerd from previous run")
@@ -195,7 +187,7 @@ func (daemon *Daemon) containerStart(container *container.Container, checkpoint
 			if err := daemon.containerd.Delete(ctx, container.ID); err != nil && !errdefs.IsNotFound(err) {
 				logrus.WithError(err).WithField("container", container.ID).Error("Error cleaning up stale containerd container object")
 			}
-			err = daemon.containerd.Create(ctx, container.ID, spec, shim, createOptions, withImageName(imageRef.String()))
+			err = daemon.containerd.Create(ctx, container.ID, spec, shim, createOptions)
 		}
 		if err != nil {
 			return translateContainerdStartErr(container.Path, container.SetExitCode, err)
@@ -272,10 +264,3 @@ func (daemon *Daemon) Cleanup(container *container.Container) {
 		logrus.Errorf("%s cleanup: failed to delete container from containerd: %v", container.ID, err)
 	}
 }
-
-func withImageName(n string) containerd.NewContainerOpts {
-	return func(ctx context.Context, _ *containerd.Client, c *containers.Container) error {
-		c.Image = n
-		return nil
-	}
-}