k8s.io/kubernetes@v1.29.3/test/e2e_kubeadm/kubeadm_certs_test.go (about) 1 /* 2 Copyright 2019 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package kubeadm 18 19 import ( 20 "context" 21 "fmt" 22 23 authv1 "k8s.io/api/authorization/v1" 24 corev1 "k8s.io/api/core/v1" 25 rbacv1 "k8s.io/api/rbac/v1" 26 "k8s.io/kubernetes/test/e2e/framework" 27 admissionapi "k8s.io/pod-security-admission/api" 28 29 "github.com/onsi/ginkgo/v2" 30 "github.com/onsi/gomega" 31 ) 32 33 const ( 34 kubeadmCertsSecretName = "kubeadm-certs" 35 ) 36 37 var ( 38 kubeadmCertsRoleName = fmt.Sprintf("kubeadm:%s", kubeadmCertsSecretName) 39 kubeadmCertsRoleBindingName = kubeadmCertsRoleName 40 41 kubeadmCertsSecretResource = &authv1.ResourceAttributes{ 42 Namespace: kubeSystemNamespace, 43 Name: kubeadmCertsSecretName, 44 Resource: "secrets", 45 Verb: "get", 46 } 47 ) 48 49 // Define container for all the test specification aimed at verifying 50 // that kubeadm creates the kubeadm-certs Secret, that it is properly configured 51 // and that all the related RBAC rules are in place 52 53 // Important! please note that kubeadm-certs is not created by default (still alpha) 54 // in case you want to skip this test use SKIP=copy-certs 55 var _ = Describe("kubeadm-certs [copy-certs]", func() { 56 57 // Get an instance of the k8s test framework 58 f := framework.NewDefaultFramework("kubeadm-certs") 59 f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged 60 61 // Tests in this container are not expected to create new objects in the cluster 62 // so we are disabling the creation of a namespace in order to get a faster execution 63 f.SkipNamespaceCreation = true 64 65 ginkgo.It("should exist and be properly configured", func(ctx context.Context) { 66 s := GetSecret(f.ClientSet, kubeSystemNamespace, kubeadmCertsSecretName) 67 68 // Checks the kubeadm-certs is ownen by a time lived token 69 gomega.Expect(s.OwnerReferences).To(gomega.HaveLen(1), "%s should have one owner reference", kubeadmCertsSecretName) 70 ownRef := s.OwnerReferences[0] 71 gomega.Expect(ownRef.Kind).To(gomega.Equal("Secret"), "%s should be owned by a secret", kubeadmCertsSecretName) 72 gomega.Expect(*ownRef.BlockOwnerDeletion).To(gomega.BeTrue(), "%s should be deleted on owner deletion", kubeadmCertsSecretName) 73 74 o := GetSecret(f.ClientSet, kubeSystemNamespace, ownRef.Name) 75 gomega.Expect(o.Type).To(gomega.Equal(corev1.SecretTypeBootstrapToken), "%s should have an owner reference that refers to a bootstrap-token", kubeadmCertsSecretName) 76 gomega.Expect(o.Data).To(gomega.HaveKey("expiration"), "%s should have an owner reference with an expiration", kubeadmCertsSecretName) 77 78 // gets the ClusterConfiguration from the kubeadm kubeadm-config ConfigMap as a untyped map 79 m := getClusterConfiguration(f.ClientSet) 80 81 // Extract the etcd Type 82 etcdType := "local" 83 if _, ok := m["etcd"]; ok { 84 d := m["etcd"].(map[interface{}]interface{}) 85 if _, ok := d["external"]; ok { 86 etcdType = "external" 87 } 88 } 89 90 // check if all the expected key exists 91 gomega.Expect(s.Data).To(gomega.HaveKey("ca.crt")) 92 gomega.Expect(s.Data).To(gomega.HaveKey("ca.key")) 93 gomega.Expect(s.Data).To(gomega.HaveKey("front-proxy-ca.crt")) 94 gomega.Expect(s.Data).To(gomega.HaveKey("front-proxy-ca.key")) 95 gomega.Expect(s.Data).To(gomega.HaveKey("sa.pub")) 96 gomega.Expect(s.Data).To(gomega.HaveKey("sa.key")) 97 98 if etcdType == "local" { 99 gomega.Expect(s.Data).To(gomega.HaveKey("etcd-ca.crt")) 100 gomega.Expect(s.Data).To(gomega.HaveKey("etcd-ca.key")) 101 } else { 102 gomega.Expect(s.Data).To(gomega.HaveKey("external-etcd-ca.crt")) 103 gomega.Expect(s.Data).To(gomega.HaveKey("external-etcd.crt")) 104 gomega.Expect(s.Data).To(gomega.HaveKey("external-etcd.key")) 105 } 106 }) 107 108 ginkgo.It("should have related Role and RoleBinding", func(ctx context.Context) { 109 ExpectRole(f.ClientSet, kubeSystemNamespace, kubeadmCertsRoleName) 110 ExpectRoleBinding(f.ClientSet, kubeSystemNamespace, kubeadmCertsRoleBindingName) 111 }) 112 113 ginkgo.It("should be accessible for bootstrap tokens", func(ctx context.Context) { 114 ExpectSubjectHasAccessToResource(f.ClientSet, 115 rbacv1.GroupKind, bootstrapTokensGroup, 116 kubeadmCertsSecretResource, 117 ) 118 }) 119 })