Use VirtualSize of the docker image as the image size

pkg/kubelet/dockertools/convert.go

@@ -55,6 +55,6 @@ func toRuntimeImage(image *docker.APIImages) (*kubecontainer.Image, error) {
 	return &kubecontainer.Image{
 		ID:   image.ID,
 		Tags: image.RepoTags,
-		Size: image.Size,
+		Size: image.VirtualSize,
 	}, nil
 }

pkg/kubelet/dockertools/convert_test.go

@@ -51,9 +51,9 @@ func TestToRuntimeContainer(t *testing.T) {
 
 func TestToRuntimeImage(t *testing.T) {
 	original := &docker.APIImages{
-		ID:       "aeeea",
-		RepoTags: []string{"abc", "def"},
-		Size:     1234,
+		ID:          "aeeea",
+		RepoTags:    []string{"abc", "def"},
+		VirtualSize: 1234,
 	}
 	expected := &kubecontainer.Image{
 		ID:   "aeeea",

pkg/kubelet/kubelet.go

@@ -1173,7 +1173,7 @@ func (kl *Kubelet) SyncPods(allPods []*api.Pod, podSyncTypes map[types.UID]metri
 	}
 
 	// Note that we just killed the unwanted pods. This may not have reflected
-	// in the cache. We need to bypass the cach to get the latest set of
+	// in the cache. We need to bypass the cache to get the latest set of
 	// running pods to clean up the volumes.
 	// TODO: Evaluate the performance impact of bypassing the runtime cache.
 	runningPods, err = kl.containerRuntime.GetPods(false)