k8s.io/kubernetes@v1.29.3/test/e2e/apimachinery/health_handlers.go (about) 1 /* 2 Copyright 2020 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 apimachinery 18 19 import ( 20 "context" 21 "fmt" 22 "strings" 23 "time" 24 25 "k8s.io/apimachinery/pkg/util/sets" 26 "k8s.io/apimachinery/pkg/util/wait" 27 clientset "k8s.io/client-go/kubernetes" 28 restclient "k8s.io/client-go/rest" 29 "k8s.io/kubernetes/test/e2e/framework" 30 admissionapi "k8s.io/pod-security-admission/api" 31 32 "github.com/onsi/ginkgo/v2" 33 ) 34 35 var ( 36 requiredHealthzChecks = sets.NewString( 37 "[+]ping ok", 38 "[+]log ok", 39 "[+]etcd ok", 40 "[+]poststarthook/start-kube-apiserver-admission-initializer ok", 41 "[+]poststarthook/generic-apiserver-start-informers ok", 42 "[+]poststarthook/start-apiextensions-informers ok", 43 "[+]poststarthook/start-apiextensions-controllers ok", 44 "[+]poststarthook/crd-informer-synced ok", 45 "[+]poststarthook/bootstrap-controller ok", 46 "[+]poststarthook/start-system-namespaces-controller ok", 47 "[+]poststarthook/start-service-ip-repair-controllers ok", 48 "[+]poststarthook/scheduling/bootstrap-system-priority-classes ok", 49 "[+]poststarthook/start-cluster-authentication-info-controller ok", 50 "[+]poststarthook/start-kube-aggregator-informers ok", 51 "[+]poststarthook/apiservice-registration-controller ok", 52 "[+]poststarthook/apiservice-status-available-controller ok", 53 "[+]poststarthook/kube-apiserver-autoregistration ok", 54 "[+]autoregister-completion ok", 55 "[+]poststarthook/apiservice-openapi-controller ok", 56 ) 57 requiredLivezChecks = sets.NewString( 58 "[+]ping ok", 59 "[+]log ok", 60 "[+]etcd ok", 61 "[+]poststarthook/start-kube-apiserver-admission-initializer ok", 62 "[+]poststarthook/generic-apiserver-start-informers ok", 63 "[+]poststarthook/start-apiextensions-informers ok", 64 "[+]poststarthook/start-apiextensions-controllers ok", 65 "[+]poststarthook/crd-informer-synced ok", 66 "[+]poststarthook/bootstrap-controller ok", 67 "[+]poststarthook/start-system-namespaces-controller ok", 68 "[+]poststarthook/start-service-ip-repair-controllers ok", 69 "[+]poststarthook/scheduling/bootstrap-system-priority-classes ok", 70 "[+]poststarthook/start-cluster-authentication-info-controller ok", 71 "[+]poststarthook/start-kube-aggregator-informers ok", 72 "[+]poststarthook/apiservice-registration-controller ok", 73 "[+]poststarthook/apiservice-status-available-controller ok", 74 "[+]poststarthook/kube-apiserver-autoregistration ok", 75 "[+]autoregister-completion ok", 76 "[+]poststarthook/apiservice-openapi-controller ok", 77 ) 78 requiredReadyzChecks = sets.NewString( 79 "[+]ping ok", 80 "[+]log ok", 81 "[+]etcd ok", 82 "[+]informer-sync ok", 83 "[+]poststarthook/start-kube-apiserver-admission-initializer ok", 84 "[+]poststarthook/generic-apiserver-start-informers ok", 85 "[+]poststarthook/start-apiextensions-informers ok", 86 "[+]poststarthook/start-apiextensions-controllers ok", 87 "[+]poststarthook/crd-informer-synced ok", 88 "[+]poststarthook/bootstrap-controller ok", 89 "[+]poststarthook/start-system-namespaces-controller ok", 90 "[+]poststarthook/start-service-ip-repair-controllers ok", 91 "[+]poststarthook/scheduling/bootstrap-system-priority-classes ok", 92 "[+]poststarthook/start-cluster-authentication-info-controller ok", 93 "[+]poststarthook/start-kube-aggregator-informers ok", 94 "[+]poststarthook/apiservice-registration-controller ok", 95 "[+]poststarthook/apiservice-status-available-controller ok", 96 "[+]poststarthook/kube-apiserver-autoregistration ok", 97 "[+]autoregister-completion ok", 98 "[+]poststarthook/apiservice-openapi-controller ok", 99 ) 100 ) 101 102 func testPath(ctx context.Context, client clientset.Interface, path string, requiredChecks sets.String) error { 103 var result restclient.Result 104 err := wait.Poll(100*time.Millisecond, 30*time.Second, func() (bool, error) { 105 result = client.CoreV1().RESTClient().Get().RequestURI(path).Do(ctx) 106 status := 0 107 result.StatusCode(&status) 108 return status == 200, nil 109 }) 110 if err != nil { 111 return err 112 } 113 body, err := result.Raw() 114 if err != nil { 115 return err 116 } 117 checks := sets.NewString(strings.Split(string(body), "\n")...) 118 if missing := requiredChecks.Difference(checks); missing.Len() > 0 { 119 return fmt.Errorf("missing required %s checks: %v in: %s", path, missing, string(body)) 120 } 121 return nil 122 } 123 124 var _ = SIGDescribe("health handlers", func() { 125 f := framework.NewDefaultFramework("health") 126 f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged 127 128 ginkgo.It("should contain necessary checks", func(ctx context.Context) { 129 ginkgo.By("/health") 130 err := testPath(ctx, f.ClientSet, "/healthz?verbose=1", requiredHealthzChecks) 131 framework.ExpectNoError(err) 132 133 ginkgo.By("/livez") 134 err = testPath(ctx, f.ClientSet, "/livez?verbose=1", requiredLivezChecks) 135 framework.ExpectNoError(err) 136 137 ginkgo.By("/readyz") 138 err = testPath(ctx, f.ClientSet, "/readyz?verbose=1", requiredReadyzChecks) 139 framework.ExpectNoError(err) 140 }) 141 })