Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/test/e2e/auth/service_accounts.go

@@ -0,0 +1,376 @@
+/*
+Copyright 2014 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 auth
+
+import (
+	"fmt"
+	"time"
+
+	"k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/uuid"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/kubernetes/plugin/pkg/admission/serviceaccount"
+	"k8s.io/kubernetes/test/e2e/framework"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var mountImage = imageutils.GetE2EImage(imageutils.Mounttest)
+
+var _ = SIGDescribe("ServiceAccounts", func() {
+	f := framework.NewDefaultFramework("svcaccounts")
+
+	It("should ensure a single API token exists", func() {
+		// wait for the service account to reference a single secret
+		var secrets []v1.ObjectReference
+		framework.ExpectNoError(wait.Poll(time.Millisecond*500, time.Second*10, func() (bool, error) {
+			By("waiting for a single token reference")
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			if apierrors.IsNotFound(err) {
+				framework.Logf("default service account was not found")
+				return false, nil
+			}
+			if err != nil {
+				framework.Logf("error getting default service account: %v", err)
+				return false, err
+			}
+			switch len(sa.Secrets) {
+			case 0:
+				framework.Logf("default service account has no secret references")
+				return false, nil
+			case 1:
+				framework.Logf("default service account has a single secret reference")
+				secrets = sa.Secrets
+				return true, nil
+			default:
+				return false, fmt.Errorf("default service account has too many secret references: %#v", sa.Secrets)
+			}
+		}))
+
+		// make sure the reference doesn't flutter
+		{
+			By("ensuring the single token reference persists")
+			time.Sleep(2 * time.Second)
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			framework.ExpectNoError(err)
+			Expect(sa.Secrets).To(Equal(secrets))
+		}
+
+		// delete the referenced secret
+		By("deleting the service account token")
+		framework.ExpectNoError(f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Delete(secrets[0].Name, nil))
+
+		// wait for the referenced secret to be removed, and another one autocreated
+		framework.ExpectNoError(wait.Poll(time.Millisecond*500, framework.ServiceAccountProvisionTimeout, func() (bool, error) {
+			By("waiting for a new token reference")
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			if err != nil {
+				framework.Logf("error getting default service account: %v", err)
+				return false, err
+			}
+			switch len(sa.Secrets) {
+			case 0:
+				framework.Logf("default service account has no secret references")
+				return false, nil
+			case 1:
+				if sa.Secrets[0] == secrets[0] {
+					framework.Logf("default service account still has the deleted secret reference")
+					return false, nil
+				}
+				framework.Logf("default service account has a new single secret reference")
+				secrets = sa.Secrets
+				return true, nil
+			default:
+				return false, fmt.Errorf("default service account has too many secret references: %#v", sa.Secrets)
+			}
+		}))
+
+		// make sure the reference doesn't flutter
+		{
+			By("ensuring the single token reference persists")
+			time.Sleep(2 * time.Second)
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			framework.ExpectNoError(err)
+			Expect(sa.Secrets).To(Equal(secrets))
+		}
+
+		// delete the reference from the service account
+		By("deleting the reference to the service account token")
+		{
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			framework.ExpectNoError(err)
+			sa.Secrets = nil
+			_, updateErr := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Update(sa)
+			framework.ExpectNoError(updateErr)
+		}
+
+		// wait for another one to be autocreated
+		framework.ExpectNoError(wait.Poll(time.Millisecond*500, framework.ServiceAccountProvisionTimeout, func() (bool, error) {
+			By("waiting for a new token to be created and added")
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			if err != nil {
+				framework.Logf("error getting default service account: %v", err)
+				return false, err
+			}
+			switch len(sa.Secrets) {
+			case 0:
+				framework.Logf("default service account has no secret references")
+				return false, nil
+			case 1:
+				framework.Logf("default service account has a new single secret reference")
+				secrets = sa.Secrets
+				return true, nil
+			default:
+				return false, fmt.Errorf("default service account has too many secret references: %#v", sa.Secrets)
+			}
+		}))
+
+		// make sure the reference doesn't flutter
+		{
+			By("ensuring the single token reference persists")
+			time.Sleep(2 * time.Second)
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			framework.ExpectNoError(err)
+			Expect(sa.Secrets).To(Equal(secrets))
+		}
+	})
+
+	framework.ConformanceIt("should mount an API token into pods ", func() {
+		var tokenContent string
+		var rootCAContent string
+
+		// Standard get, update retry loop
+		framework.ExpectNoError(wait.Poll(time.Millisecond*500, framework.ServiceAccountProvisionTimeout, func() (bool, error) {
+			By("getting the auto-created API token")
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get("default", metav1.GetOptions{})
+			if apierrors.IsNotFound(err) {
+				framework.Logf("default service account was not found")
+				return false, nil
+			}
+			if err != nil {
+				framework.Logf("error getting default service account: %v", err)
+				return false, err
+			}
+			if len(sa.Secrets) == 0 {
+				framework.Logf("default service account has no secret references")
+				return false, nil
+			}
+			for _, secretRef := range sa.Secrets {
+				secret, err := f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Get(secretRef.Name, metav1.GetOptions{})
+				if err != nil {
+					framework.Logf("Error getting secret %s: %v", secretRef.Name, err)
+					continue
+				}
+				if secret.Type == v1.SecretTypeServiceAccountToken {
+					tokenContent = string(secret.Data[v1.ServiceAccountTokenKey])
+					rootCAContent = string(secret.Data[v1.ServiceAccountRootCAKey])
+					return true, nil
+				}
+			}
+
+			framework.Logf("default service account has no secret references to valid service account tokens")
+			return false, nil
+		}))
+
+		pod := &v1.Pod{
+			ObjectMeta: metav1.ObjectMeta{
+				GenerateName: "pod-service-account-" + string(uuid.NewUUID()) + "-",
+			},
+			Spec: v1.PodSpec{
+				Containers: []v1.Container{
+					{
+						Name:  "token-test",
+						Image: mountImage,
+						Args: []string{
+							fmt.Sprintf("--file_content=%s/%s", serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountTokenKey),
+						},
+					},
+					{
+						Name:  "root-ca-test",
+						Image: mountImage,
+						Args: []string{
+							fmt.Sprintf("--file_content=%s/%s", serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountRootCAKey),
+						},
+					},
+				},
+				RestartPolicy: v1.RestartPolicyNever,
+			},
+		}
+
+		pod.Spec.Containers = append(pod.Spec.Containers, v1.Container{
+			Name:  "namespace-test",
+			Image: mountImage,
+			Args: []string{
+				fmt.Sprintf("--file_content=%s/%s", serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountNamespaceKey),
+			},
+		})
+
+		f.TestContainerOutput("consume service account token", pod, 0, []string{
+			fmt.Sprintf(`content of file "%s/%s": %s`, serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountTokenKey, tokenContent),
+		})
+		f.TestContainerOutput("consume service account root CA", pod, 1, []string{
+			fmt.Sprintf(`content of file "%s/%s": %s`, serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountRootCAKey, rootCAContent),
+		})
+
+		f.TestContainerOutput("consume service account namespace", pod, 2, []string{
+			fmt.Sprintf(`content of file "%s/%s": %s`, serviceaccount.DefaultAPITokenMountPath, v1.ServiceAccountNamespaceKey, f.Namespace.Name),
+		})
+	})
+
+	framework.ConformanceIt("should allow opting out of API token automount ", func() {
+		var err error
+		trueValue := true
+		falseValue := false
+		mountSA := &v1.ServiceAccount{ObjectMeta: metav1.ObjectMeta{Name: "mount"}, AutomountServiceAccountToken: &trueValue}
+		nomountSA := &v1.ServiceAccount{ObjectMeta: metav1.ObjectMeta{Name: "nomount"}, AutomountServiceAccountToken: &falseValue}
+		mountSA, err = f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Create(mountSA)
+		framework.ExpectNoError(err)
+		nomountSA, err = f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Create(nomountSA)
+		framework.ExpectNoError(err)
+
+		// Standard get, update retry loop
+		framework.ExpectNoError(wait.Poll(time.Millisecond*500, framework.ServiceAccountProvisionTimeout, func() (bool, error) {
+			By("getting the auto-created API token")
+			sa, err := f.ClientSet.CoreV1().ServiceAccounts(f.Namespace.Name).Get(mountSA.Name, metav1.GetOptions{})
+			if apierrors.IsNotFound(err) {
+				framework.Logf("mount service account was not found")
+				return false, nil
+			}
+			if err != nil {
+				framework.Logf("error getting mount service account: %v", err)
+				return false, err
+			}
+			if len(sa.Secrets) == 0 {
+				framework.Logf("mount service account has no secret references")
+				return false, nil
+			}
+			for _, secretRef := range sa.Secrets {
+				secret, err := f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Get(secretRef.Name, metav1.GetOptions{})
+				if err != nil {
+					framework.Logf("Error getting secret %s: %v", secretRef.Name, err)
+					continue
+				}
+				if secret.Type == v1.SecretTypeServiceAccountToken {
+					return true, nil
+				}
+			}
+
+			framework.Logf("default service account has no secret references to valid service account tokens")
+			return false, nil
+		}))
+
+		testcases := []struct {
+			PodName            string
+			ServiceAccountName string
+			AutomountPodSpec   *bool
+			ExpectTokenVolume  bool
+		}{
+			{
+				PodName:            "pod-service-account-defaultsa",
+				ServiceAccountName: "default",
+				AutomountPodSpec:   nil,
+				ExpectTokenVolume:  true, // default is true
+			},
+			{
+				PodName:            "pod-service-account-mountsa",
+				ServiceAccountName: mountSA.Name,
+				AutomountPodSpec:   nil,
+				ExpectTokenVolume:  true,
+			},
+			{
+				PodName:            "pod-service-account-nomountsa",
+				ServiceAccountName: nomountSA.Name,
+				AutomountPodSpec:   nil,
+				ExpectTokenVolume:  false,
+			},
+
+			// Make sure pod spec trumps when opting in
+			{
+				PodName:            "pod-service-account-defaultsa-mountspec",
+				ServiceAccountName: "default",
+				AutomountPodSpec:   &trueValue,
+				ExpectTokenVolume:  true,
+			},
+			{
+				PodName:            "pod-service-account-mountsa-mountspec",
+				ServiceAccountName: mountSA.Name,
+				AutomountPodSpec:   &trueValue,
+				ExpectTokenVolume:  true,
+			},
+			{
+				PodName:            "pod-service-account-nomountsa-mountspec",
+				ServiceAccountName: nomountSA.Name,
+				AutomountPodSpec:   &trueValue,
+				ExpectTokenVolume:  true, // pod spec trumps
+			},
+
+			// Make sure pod spec trumps when opting out
+			{
+				PodName:            "pod-service-account-defaultsa-nomountspec",
+				ServiceAccountName: "default",
+				AutomountPodSpec:   &falseValue,
+				ExpectTokenVolume:  false, // pod spec trumps
+			},
+			{
+				PodName:            "pod-service-account-mountsa-nomountspec",
+				ServiceAccountName: mountSA.Name,
+				AutomountPodSpec:   &falseValue,
+				ExpectTokenVolume:  false, // pod spec trumps
+			},
+			{
+				PodName:            "pod-service-account-nomountsa-nomountspec",
+				ServiceAccountName: nomountSA.Name,
+				AutomountPodSpec:   &falseValue,
+				ExpectTokenVolume:  false, // pod spec trumps
+			},
+		}
+
+		for _, tc := range testcases {
+			pod := &v1.Pod{
+				ObjectMeta: metav1.ObjectMeta{Name: tc.PodName},
+				Spec: v1.PodSpec{
+					Containers:                   []v1.Container{{Name: "token-test", Image: mountImage}},
+					RestartPolicy:                v1.RestartPolicyNever,
+					ServiceAccountName:           tc.ServiceAccountName,
+					AutomountServiceAccountToken: tc.AutomountPodSpec,
+				},
+			}
+			createdPod, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(pod)
+			framework.ExpectNoError(err)
+			framework.Logf("created pod %s", tc.PodName)
+
+			hasServiceAccountTokenVolume := false
+			for _, c := range createdPod.Spec.Containers {
+				for _, vm := range c.VolumeMounts {
+					if vm.MountPath == serviceaccount.DefaultAPITokenMountPath {
+						hasServiceAccountTokenVolume = true
+					}
+				}
+			}
+
+			if hasServiceAccountTokenVolume != tc.ExpectTokenVolume {
+				framework.Failf("%s: expected volume=%v, got %v (%#v)", tc.PodName, tc.ExpectTokenVolume, hasServiceAccountTokenVolume, createdPod)
+			} else {
+				framework.Logf("pod %s service account token volume mount: %v", tc.PodName, hasServiceAccountTokenVolume)
+			}
+		}
+	})
+})