|
| 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 apiserver |
| 18 | + |
| 19 | +import ( |
| 20 | + "context" |
| 21 | + "encoding/json" |
| 22 | + "strings" |
| 23 | + "testing" |
| 24 | + |
| 25 | + v1 "k8s.io/api/core/v1" |
| 26 | + apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset" |
| 27 | + "k8s.io/apimachinery/pkg/api/meta" |
| 28 | + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 29 | + "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| 30 | + "k8s.io/apimachinery/pkg/runtime/schema" |
| 31 | + "k8s.io/apimachinery/pkg/types" |
| 32 | + genericfeatures "k8s.io/apiserver/pkg/features" |
| 33 | + utilfeature "k8s.io/apiserver/pkg/util/feature" |
| 34 | + "k8s.io/client-go/dynamic" |
| 35 | + "k8s.io/client-go/kubernetes" |
| 36 | + featuregatetesting "k8s.io/component-base/featuregate/testing" |
| 37 | + apiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing" |
| 38 | + "k8s.io/kubernetes/test/integration/etcd" |
| 39 | + "k8s.io/kubernetes/test/integration/framework" |
| 40 | + "sigs.k8s.io/yaml" |
| 41 | +) |
| 42 | + |
| 43 | +// namespace used for all tests, do not change this |
| 44 | +const testNamespace = "statusnamespace" |
| 45 | + |
| 46 | +var statusData = map[schema.GroupVersionResource]string{ |
| 47 | + gvr("", "v1", "persistentvolumes"): `{"status": {"message": "hello"}}`, |
| 48 | + gvr("", "v1", "resourcequotas"): `{"status": {"used": {"cpu": "5M"}}}`, |
| 49 | + gvr("", "v1", "services"): `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`, |
| 50 | + gvr("extensions", "v1beta1", "ingresses"): `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`, |
| 51 | + gvr("networking.k8s.io", "v1beta1", "ingresses"): `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`, |
| 52 | + gvr("autoscaling", "v1", "horizontalpodautoscalers"): `{"status": {"currentReplicas": 5}}`, |
| 53 | + gvr("batch", "v1beta1", "cronjobs"): `{"status": {"lastScheduleTime": null}}`, |
| 54 | + gvr("batch", "v2alpha1", "cronjobs"): `{"status": {"lastScheduleTime": null}}`, |
| 55 | + gvr("storage.k8s.io", "v1", "volumeattachments"): `{"status": {"attached": true}}`, |
| 56 | + gvr("policy", "v1beta1", "poddisruptionbudgets"): `{"status": {"currentHealthy": 5}}`, |
| 57 | + gvr("certificates.k8s.io", "v1beta1", "certificatesigningrequests"): `{"status": {"conditions": [{"type": "MyStatus"}]}}`, |
| 58 | +} |
| 59 | + |
| 60 | +const statusDefault = `{"status": {"conditions": [{"type": "MyStatus", "status":"true"}]}}` |
| 61 | + |
| 62 | +// DO NOT ADD TO THIS LIST. |
| 63 | +// This list is used to ignore known bugs. We shouldn't introduce new bugs. |
| 64 | +var ignoreList = map[schema.GroupVersionResource]struct{}{ |
| 65 | + // TODO(#89264): apiservices doesn't work because the openapi is not routed properly. |
| 66 | + gvr("apiregistration.k8s.io", "v1beta1", "apiservices"): {}, |
| 67 | + gvr("apiregistration.k8s.io", "v1", "apiservices"): {}, |
| 68 | +} |
| 69 | + |
| 70 | +func gvr(g, v, r string) schema.GroupVersionResource { |
| 71 | + return schema.GroupVersionResource{Group: g, Version: v, Resource: r} |
| 72 | +} |
| 73 | + |
| 74 | +func createMapping(groupVersion string, resource metav1.APIResource) (*meta.RESTMapping, error) { |
| 75 | + gv, err := schema.ParseGroupVersion(groupVersion) |
| 76 | + if err != nil { |
| 77 | + return nil, err |
| 78 | + } |
| 79 | + if len(resource.Group) > 0 || len(resource.Version) > 0 { |
| 80 | + gv = schema.GroupVersion{ |
| 81 | + Group: resource.Group, |
| 82 | + Version: resource.Version, |
| 83 | + } |
| 84 | + } |
| 85 | + gvk := gv.WithKind(resource.Kind) |
| 86 | + gvr := gv.WithResource(strings.TrimSuffix(resource.Name, "/status")) |
| 87 | + scope := meta.RESTScopeRoot |
| 88 | + if resource.Namespaced { |
| 89 | + scope = meta.RESTScopeNamespace |
| 90 | + } |
| 91 | + return &meta.RESTMapping{ |
| 92 | + Resource: gvr, |
| 93 | + GroupVersionKind: gvk, |
| 94 | + Scope: scope, |
| 95 | + }, nil |
| 96 | +} |
| 97 | + |
| 98 | +// TestApplyStatus makes sure that applying the status works for all known types. |
| 99 | +func TestApplyStatus(t *testing.T) { |
| 100 | + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)() |
| 101 | + server, err := apiservertesting.StartTestServer(t, apiservertesting.NewDefaultTestServerOptions(), []string{"--disable-admission-plugins", "ServiceAccount,TaintNodesByCondition"}, framework.SharedEtcd()) |
| 102 | + if err != nil { |
| 103 | + t.Fatal(err) |
| 104 | + } |
| 105 | + defer server.TearDownFn() |
| 106 | + |
| 107 | + client, err := kubernetes.NewForConfig(server.ClientConfig) |
| 108 | + if err != nil { |
| 109 | + t.Fatal(err) |
| 110 | + } |
| 111 | + dynamicClient, err := dynamic.NewForConfig(server.ClientConfig) |
| 112 | + if err != nil { |
| 113 | + t.Fatal(err) |
| 114 | + } |
| 115 | + |
| 116 | + // create CRDs so we can make sure that custom resources do not get lost |
| 117 | + etcd.CreateTestCRDs(t, apiextensionsclientset.NewForConfigOrDie(server.ClientConfig), false, etcd.GetCustomResourceDefinitionData()...) |
| 118 | + if _, err := client.CoreV1().Namespaces().Create(context.TODO(), &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: testNamespace}}, metav1.CreateOptions{}); err != nil { |
| 119 | + t.Fatal(err) |
| 120 | + } |
| 121 | + |
| 122 | + createData := etcd.GetEtcdStorageData() |
| 123 | + |
| 124 | + // gather resources to test |
| 125 | + _, resourceLists, err := client.Discovery().ServerGroupsAndResources() |
| 126 | + if err != nil { |
| 127 | + t.Fatalf("Failed to get ServerGroupsAndResources with error: %+v", err) |
| 128 | + } |
| 129 | + |
| 130 | + for _, resourceList := range resourceLists { |
| 131 | + for _, resource := range resourceList.APIResources { |
| 132 | + if !strings.HasSuffix(resource.Name, "/status") { |
| 133 | + continue |
| 134 | + } |
| 135 | + mapping, err := createMapping(resourceList.GroupVersion, resource) |
| 136 | + if err != nil { |
| 137 | + t.Fatal(err) |
| 138 | + } |
| 139 | + t.Run(mapping.Resource.String(), func(t *testing.T) { |
| 140 | + if _, ok := ignoreList[mapping.Resource]; ok { |
| 141 | + t.Skip() |
| 142 | + } |
| 143 | + status, ok := statusData[mapping.Resource] |
| 144 | + if !ok { |
| 145 | + status = statusDefault |
| 146 | + } |
| 147 | + newResource, ok := createData[mapping.Resource] |
| 148 | + if !ok { |
| 149 | + t.Fatalf("no test data for %s. Please add a test for your new type to etcd.GetEtcdStorageData().", mapping.Resource) |
| 150 | + } |
| 151 | + newObj := unstructured.Unstructured{} |
| 152 | + if err := json.Unmarshal([]byte(newResource.Stub), &newObj.Object); err != nil { |
| 153 | + t.Fatal(err) |
| 154 | + } |
| 155 | + |
| 156 | + namespace := testNamespace |
| 157 | + if mapping.Scope == meta.RESTScopeRoot { |
| 158 | + namespace = "" |
| 159 | + } |
| 160 | + name := newObj.GetName() |
| 161 | + rsc := dynamicClient.Resource(mapping.Resource).Namespace(namespace) |
| 162 | + _, err := rsc.Create(context.TODO(), &newObj, metav1.CreateOptions{FieldManager: "create_test"}) |
| 163 | + if err != nil { |
| 164 | + t.Fatal(err) |
| 165 | + } |
| 166 | + |
| 167 | + statusObj := unstructured.Unstructured{} |
| 168 | + if err := json.Unmarshal([]byte(status), &statusObj.Object); err != nil { |
| 169 | + t.Fatal(err) |
| 170 | + } |
| 171 | + statusObj.SetAPIVersion(mapping.GroupVersionKind.GroupVersion().String()) |
| 172 | + statusObj.SetKind(mapping.GroupVersionKind.Kind) |
| 173 | + statusObj.SetName(name) |
| 174 | + statusYAML, err := yaml.Marshal(statusObj.Object) |
| 175 | + if err != nil { |
| 176 | + t.Fatal(err) |
| 177 | + } |
| 178 | + |
| 179 | + True := true |
| 180 | + obj, err := dynamicClient. |
| 181 | + Resource(mapping.Resource). |
| 182 | + Namespace(namespace). |
| 183 | + Patch(context.TODO(), name, types.ApplyPatchType, statusYAML, metav1.PatchOptions{FieldManager: "apply_status_test", Force: &True}, "status") |
| 184 | + if err != nil { |
| 185 | + t.Fatalf("Failed to apply: %v", err) |
| 186 | + } |
| 187 | + |
| 188 | + accessor, err := meta.Accessor(obj) |
| 189 | + if err != nil { |
| 190 | + t.Fatalf("Failed to get meta accessor: %v:\n%v", err, obj) |
| 191 | + } |
| 192 | + |
| 193 | + managedFields := accessor.GetManagedFields() |
| 194 | + if managedFields == nil { |
| 195 | + t.Fatal("Empty managed fields") |
| 196 | + } |
| 197 | + if !findManager(managedFields, "apply_status_test") { |
| 198 | + t.Fatalf("Couldn't find apply_status_test: %v", managedFields) |
| 199 | + } |
| 200 | + if !findManager(managedFields, "create_test") { |
| 201 | + t.Fatalf("Couldn't find create_test: %v", managedFields) |
| 202 | + } |
| 203 | + |
| 204 | + if err := rsc.Delete(context.TODO(), name, *metav1.NewDeleteOptions(0)); err != nil { |
| 205 | + t.Fatalf("deleting final object failed: %v", err) |
| 206 | + } |
| 207 | + }) |
| 208 | + } |
| 209 | + } |
| 210 | +} |
| 211 | + |
| 212 | +func findManager(managedFields []metav1.ManagedFieldsEntry, manager string) bool { |
| 213 | + for _, entry := range managedFields { |
| 214 | + if entry.Manager == manager { |
| 215 | + return true |
| 216 | + } |
| 217 | + } |
| 218 | + return false |
| 219 | +} |
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