test/e2e_node: add a test pulling a private GCR image

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>
Co-authored-by: Aditi Sharma <adi.sky17@gmail.com>

test/e2e_node/image_credential_provider.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package e2enode
+
+import (
+	"github.com/onsi/ginkgo"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/uuid"
+	"k8s.io/kubernetes/test/e2e/framework"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+)
+
+var _ = SIGDescribe("ImageCredentialProvider [Feature:KubeletCredentialProviders]", func() {
+	f := framework.NewDefaultFramework("image-credential-provider")
+	var podClient *framework.PodClient
+
+	ginkgo.BeforeEach(func() {
+		podClient = f.PodClient()
+	})
+
+	/*
+		Release: v1.24
+		Testname: Test kubelet image pull with external credential provider plugins
+		Description: Create Pod with an image from a private registry. This test assumes that the kubelet credential provider plugin is enabled for the registry hosting imageutils.AgnhostPrivate.
+	*/
+	ginkgo.It("should be able to create pod with image credentials fetched from external credential provider ", func() {
+		privateimage := imageutils.GetConfig(imageutils.AgnhostPrivate)
+		name := "pod-auth-image-" + string(uuid.NewUUID())
+		pod := &v1.Pod{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: name,
+			},
+			Spec: v1.PodSpec{
+				Containers: []v1.Container{
+					{
+						Name:            "container-auth-image",
+						Image:           privateimage.GetE2EImage(),
+						ImagePullPolicy: v1.PullAlways,
+					},
+				},
+			},
+		}
+
+		// CreateSync tests that the Pod is running and ready
+		podClient.CreateSync(pod)
+	})
+})