fix issue(#52994)kubectl set resource can not update multi resource in local

pkg/kubectl/cmd/set/set_env.go

@@ -428,7 +428,10 @@ func (o *EnvOptions) RunEnv(f cmdutil.Factory) error {
 		}
 
 		if len(o.Output) > 0 {
-			return o.PrintObject(o.Cmd, o.Local, o.Mapper, obj, o.Out)
+			if err := o.PrintObject(o.Cmd, o.Local, o.Mapper, obj, o.Out); err != nil {
+				return err
+			}
+			continue
 		}
 
 		cmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, false, "env updated")

pkg/kubectl/cmd/set/set_env_test.go

@@ -69,3 +69,42 @@ func TestSetEnvLocal(t *testing.T) {
 		t.Errorf("did not set env: %s", buf.String())
 	}
 }
+
+func TestSetMultiResourcesEnvLocal(t *testing.T) {
+	f, tf, codec, ns := cmdtesting.NewAPIFactory()
+	tf.Client = &fake.RESTClient{
+		GroupVersion:         legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion,
+		NegotiatedSerializer: ns,
+		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
+			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
+			return nil, nil
+		}),
+	}
+	tf.Namespace = "test"
+	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion}}
+
+	buf := bytes.NewBuffer([]byte{})
+	cmd := NewCmdEnv(f, os.Stdin, buf, buf)
+	cmd.SetOutput(buf)
+	cmd.Flags().Set("output", "name")
+	cmd.Flags().Set("local", "true")
+	mapper, typer := f.Object()
+	tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{codec}, Typer: typer, Mapper: mapper}
+
+	opts := EnvOptions{FilenameOptions: resource.FilenameOptions{
+		Filenames: []string{"../../../../test/fixtures/pkg/kubectl/cmd/set/multi-resource-yaml.yaml"}},
+		Out:   buf,
+		Local: true}
+	err := opts.Complete(f, cmd, []string{"env=prod"})
+	if err == nil {
+		err = opts.RunEnv(f)
+	}
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	expectedOut := "replicationcontrollers/first-rc\nreplicationcontrollers/second-rc\n"
+	if buf.String() != expectedOut {
+		t.Errorf("expected out:\n%s\nbut got:\n%s", expectedOut, buf.String())
+	}
+}

pkg/kubectl/cmd/set/set_image_test.go

@@ -134,3 +134,44 @@ func TestSetImageValidation(t *testing.T) {
 		}
 	}
 }
+
+func TestSetMultiResourcesImageLocal(t *testing.T) {
+	f, tf, codec, ns := cmdtesting.NewAPIFactory()
+	tf.Client = &fake.RESTClient{
+		GroupVersion:         legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion,
+		NegotiatedSerializer: ns,
+		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
+			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
+			return nil, nil
+		}),
+	}
+	tf.Namespace = "test"
+	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion}}
+
+	buf := bytes.NewBuffer([]byte{})
+	cmd := NewCmdImage(f, buf, buf)
+	cmd.SetOutput(buf)
+	cmd.Flags().Set("output", "name")
+	cmd.Flags().Set("local", "true")
+	mapper, typer := f.Object()
+	tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{codec}, Typer: typer, Mapper: mapper}
+
+	opts := ImageOptions{FilenameOptions: resource.FilenameOptions{
+		Filenames: []string{"../../../../test/fixtures/pkg/kubectl/cmd/set/multi-resource-yaml.yaml"}},
+		Out:   buf,
+		Local: true}
+	err := opts.Complete(f, cmd, []string{"*=thingy"})
+	if err == nil {
+		err = opts.Validate()
+	}
+	if err == nil {
+		err = opts.Run()
+	}
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	expectedOut := "replicationcontrollers/first-rc\nreplicationcontrollers/second-rc\n"
+	if buf.String() != expectedOut {
+		t.Errorf("expected out:\n%s\nbut got:\n%s", expectedOut, buf.String())
+	}
+}

pkg/kubectl/cmd/set/set_resources.go

@@ -238,7 +238,10 @@ func (o *ResourcesOptions) Run() error {
 		}
 
 		if o.Local || cmdutil.GetDryRunFlag(o.Cmd) {
-			return o.PrintObject(o.Cmd, o.Local, o.Mapper, info.Object, o.Out)
+			if err := o.PrintObject(o.Cmd, o.Local, o.Mapper, info.Object, o.Out); err != nil {
+				return err
+			}
+			continue
 		}
 
 		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch.Patch)

pkg/kubectl/cmd/set/set_resources_test.go

@@ -75,3 +75,48 @@ func TestResourcesLocal(t *testing.T) {
 		t.Errorf("did not set resources: %s", buf.String())
 	}
 }
+
+func TestSetMultiResourcesLimitsLocal(t *testing.T) {
+	f, tf, codec, ns := cmdtesting.NewAPIFactory()
+	tf.Client = &fake.RESTClient{
+		GroupVersion:         legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion,
+		NegotiatedSerializer: ns,
+		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
+			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
+			return nil, nil
+		}),
+	}
+	tf.Namespace = "test"
+	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &legacyscheme.Registry.GroupOrDie(api.GroupName).GroupVersion}}
+
+	buf := bytes.NewBuffer([]byte{})
+	cmd := NewCmdResources(f, buf, buf)
+	cmd.SetOutput(buf)
+	cmd.Flags().Set("output", "name")
+	cmd.Flags().Set("local", "true")
+	mapper, typer := f.Object()
+	tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{codec}, Typer: typer, Mapper: mapper}
+
+	opts := ResourcesOptions{FilenameOptions: resource.FilenameOptions{
+		Filenames: []string{"../../../../test/fixtures/pkg/kubectl/cmd/set/multi-resource-yaml.yaml"}},
+		Out:               buf,
+		Local:             true,
+		Limits:            "cpu=200m,memory=512Mi",
+		Requests:          "cpu=200m,memory=512Mi",
+		ContainerSelector: "*"}
+
+	err := opts.Complete(f, cmd, []string{})
+	if err == nil {
+		err = opts.Validate()
+	}
+	if err == nil {
+		err = opts.Run()
+	}
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	expectedOut := "replicationcontrollers/first-rc\nreplicationcontrollers/second-rc\n"
+	if buf.String() != expectedOut {
+		t.Errorf("expected out:\n%s\nbut got:\n%s", expectedOut, buf.String())
+	}
+}

pkg/kubectl/cmd/set/set_subject.go

@@ -241,7 +241,10 @@ func (o *SubjectOptions) Run(f cmdutil.Factory, fn updateSubjects) error {
 		}
 
 		if o.Local || o.DryRun {
-			return o.PrintObject(o.Mapper, info.Object, o.Out)
+			if err := o.PrintObject(o.Mapper, info.Object, o.Out); err != nil {
+				return err
+			}
+			continue
 		}
 
 		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch.Patch)

test/fixtures/pkg/kubectl/cmd/set/multi-resource-yaml.yaml

@@ -0,0 +1,33 @@
+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: first-rc
+spec:
+  replicas: 1
+  selector:
+    app: mock
+  template:
+    metadata:
+      labels:
+        app: mock
+    spec:
+      containers:
+      - name: mock-container
+        image: gcr.io/google-containers/pause:2.0
+---
+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: second-rc
+spec:
+  replicas: 1
+  selector:
+    app: mock
+  template:
+    metadata:
+      labels:
+        app: mock
+    spec:
+      containers:
+      - name: mock-container
+        image: gcr.io/google-containers/pause:2.0