Bumping k8s dependencies to 1.13

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

@@ -0,0 +1,107 @@
+/*
+Copyright 2018 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"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/kubernetes/pkg/master/ports"
+	"k8s.io/kubernetes/test/e2e/framework"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = SIGDescribe("[Feature:NodeAuthenticator]", func() {
+
+	f := framework.NewDefaultFramework("node-authn")
+	var ns string
+	var nodeIPs []string
+	BeforeEach(func() {
+		ns = f.Namespace.Name
+
+		nodeList, err := f.ClientSet.CoreV1().Nodes().List(metav1.ListOptions{})
+		Expect(err).NotTo(HaveOccurred())
+		Expect(len(nodeList.Items)).NotTo(BeZero())
+
+		pickedNode := nodeList.Items[0]
+		nodeIPs = framework.GetNodeAddresses(&pickedNode, v1.NodeExternalIP)
+		// The pods running in the cluster can see the internal addresses.
+		nodeIPs = append(nodeIPs, framework.GetNodeAddresses(&pickedNode, v1.NodeInternalIP)...)
+
+		// make sure ServiceAccount admission controller is enabled, so secret generation on SA creation works
+		sa, err := f.ClientSet.CoreV1().ServiceAccounts(ns).Get("default", metav1.GetOptions{})
+		Expect(err).NotTo(HaveOccurred())
+		Expect(len(sa.Secrets)).NotTo(BeZero())
+	})
+
+	It("The kubelet's main port 10250 should reject requests with no credentials", func() {
+		pod := createNodeAuthTestPod(f)
+		for _, nodeIP := range nodeIPs {
+			// Anonymous authentication is disabled by default
+			result := framework.RunHostCmdOrDie(ns, pod.Name, fmt.Sprintf("curl -sIk -o /dev/null -w '%s' https://%s:%v/metrics", "%{http_code}", nodeIP, ports.KubeletPort))
+			Expect(result).To(Or(Equal("401"), Equal("403")), "the kubelet's main port 10250 should reject requests with no credentials")
+		}
+	})
+
+	It("The kubelet can delegate ServiceAccount tokens to the API server", func() {
+		By("create a new ServiceAccount for authentication")
+		trueValue := true
+		newSA := &v1.ServiceAccount{
+			ObjectMeta: metav1.ObjectMeta{
+				Namespace: ns,
+				Name:      "node-auth-newSA",
+			},
+			AutomountServiceAccountToken: &trueValue,
+		}
+		_, err := f.ClientSet.CoreV1().ServiceAccounts(ns).Create(newSA)
+		Expect(err).NotTo(HaveOccurred())
+
+		pod := createNodeAuthTestPod(f)
+
+		for _, nodeIP := range nodeIPs {
+			result := framework.RunHostCmdOrDie(ns,
+				pod.Name,
+				fmt.Sprintf("curl -sIk -o /dev/null -w '%s' --header \"Authorization: Bearer `%s`\" https://%s:%v/metrics",
+					"%{http_code}",
+					"cat /var/run/secrets/kubernetes.io/serviceaccount/token",
+					nodeIP, ports.KubeletPort))
+			Expect(result).To(Or(Equal("401"), Equal("403")), "the kubelet can delegate ServiceAccount tokens to the API server")
+		}
+	})
+})
+
+func createNodeAuthTestPod(f *framework.Framework) *v1.Pod {
+	pod := &v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: "test-node-authn-",
+		},
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{{
+				Name:    "test-node-authn",
+				Image:   imageutils.GetE2EImage(imageutils.Hostexec),
+				Command: []string{"sleep 3600"},
+			}},
+			RestartPolicy: v1.RestartPolicyNever,
+		},
+	}
+
+	return f.PodClient().CreateSync(pod)
+}