Rename RunPullImagesCheck to PullControlPlaneImages

Author: RA489

cmd/kubeadm/app/cmd/config.go

@@ -425,8 +425,7 @@ func NewCmdConfigImagesPull() *cobra.Command {
 			kubeadmutil.CheckErr(err)
 			containerRuntime, err := utilruntime.NewContainerRuntime(utilsexec.New(), internalcfg.GetCRISocket())
 			kubeadmutil.CheckErr(err)
-			imagesPull := NewImagesPull(containerRuntime, images.GetAllImages(&internalcfg.ClusterConfiguration))
-			kubeadmutil.CheckErr(imagesPull.PullAll())
+			PullControlPlaneImages(containerRuntime, &internalcfg.ClusterConfiguration)
 		},
 	}
 	AddImagesCommonConfigFlags(cmd.PersistentFlags(), externalcfg, &cfgPath, &featureGatesString)
@@ -449,10 +448,11 @@ func NewImagesPull(runtime utilruntime.ContainerRuntime, images []string) *Image
 	}
 }
 
-// PullAll pulls all images that the ImagesPull knows about
-func (ip *ImagesPull) PullAll() error {
-	for _, image := range ip.images {
-		if err := ip.runtime.PullImage(image); err != nil {
+// PullControlPlaneImages pulls all images that the ImagesPull knows about
+func PullControlPlaneImages(runtime utilruntime.ContainerRuntime, cfg *kubeadmapi.ClusterConfiguration) error {
+	images := images.GetControlPlaneImages(cfg)
+	for _, image := range images {
+		if err := runtime.PullImage(image); err != nil {
 			return errors.Wrapf(err, "failed to pull image %q", image)
 		}
 		fmt.Printf("[config/images] Pulled %s\n", image)
@@ -507,7 +507,7 @@ type ImagesList struct {
 
 // Run runs the images command and writes the result to the io.Writer passed in
 func (i *ImagesList) Run(out io.Writer) error {
-	imgs := images.GetAllImages(&i.cfg.ClusterConfiguration)
+	imgs := images.GetControlPlaneImages(&i.cfg.ClusterConfiguration)
 	for _, img := range imgs {
 		fmt.Fprintln(out, img)
 	}

cmd/kubeadm/app/cmd/config_test.go

@@ -244,11 +244,11 @@ func TestImagesPull(t *testing.T) {
 	}
 
 	images := []string{"a", "b", "c", "d", "a"}
-	ip := NewImagesPull(containerRuntime, images)
-
-	err = ip.PullAll()
-	if err != nil {
-		t.Fatalf("expected nil but found %v", err)
+	for _, image := range images {
+		if err := containerRuntime.PullImage(image); err != nil {
+			t.Fatalf("expected nil but found %v", err)
+		}
+		fmt.Printf("[config/images] Pulled %s\n", image)
 	}
 
 	if fcmd.CombinedOutputCalls != len(images) {

cmd/kubeadm/app/images/images.go

@@ -85,8 +85,8 @@ func GetPauseImage(cfg *kubeadmapi.ClusterConfiguration) string {
 	return GetGenericImage(cfg.ImageRepository, "pause", constants.PauseVersion)
 }
 
-// GetAllImages returns a list of container images kubeadm expects to use on a control plane node
-func GetAllImages(cfg *kubeadmapi.ClusterConfiguration) []string {
+// GetControlPlaneImages returns a list of container images kubeadm expects to use on a control plane node
+func GetControlPlaneImages(cfg *kubeadmapi.ClusterConfiguration) []string {
 	imgs := []string{}
 
 	// start with core kubernetes images

cmd/kubeadm/app/images/images_test.go

@@ -254,7 +254,7 @@ func TestGetAllImages(t *testing.T) {
 	}
 	for _, tc := range testcases {
 		t.Run(tc.name, func(t *testing.T) {
-			imgs := GetAllImages(tc.cfg)
+			imgs := GetControlPlaneImages(tc.cfg)
 			for _, img := range imgs {
 				if strings.Contains(img, tc.expect) {
 					return

cmd/kubeadm/app/preflight/checks.go

@@ -1058,7 +1058,7 @@ func RunPullImagesCheck(execer utilsexec.Interface, cfg *kubeadmapi.InitConfigur
 	}
 
 	checks := []Checker{
-		ImagePullCheck{runtime: containerRuntime, imageList: images.GetAllImages(&cfg.ClusterConfiguration)},
+		ImagePullCheck{runtime: containerRuntime, imageList: images.GetControlPlaneImages(&cfg.ClusterConfiguration)},
 	}
 	return RunChecks(checks, os.Stderr, ignorePreflightErrors)
 }