Use discovery to test apply all status

test/integration/apiserver/apply/BUILD

@@ -7,6 +7,7 @@ go_test(
         "apply_crd_test.go",
         "apply_test.go",
         "main_test.go",
+        "status_test.go",
     ],
     tags = [
         "etcd",
@@ -32,6 +33,7 @@ go_test(
         "//staging/src/k8s.io/client-go/kubernetes:go_default_library",
         "//staging/src/k8s.io/client-go/rest:go_default_library",
         "//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
+        "//test/integration/etcd:go_default_library",
         "//test/integration/framework:go_default_library",
         "//vendor/sigs.k8s.io/yaml:go_default_library",
     ],

test/integration/apiserver/apply/status_test.go

@@ -0,0 +1,219 @@
+/*
+Copyright 2020 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 apiserver
+
+import (
+	"context"
+	"encoding/json"
+	"strings"
+	"testing"
+
+	v1 "k8s.io/api/core/v1"
+	apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/types"
+	genericfeatures "k8s.io/apiserver/pkg/features"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/kubernetes"
+	featuregatetesting "k8s.io/component-base/featuregate/testing"
+	apiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
+	"k8s.io/kubernetes/test/integration/etcd"
+	"k8s.io/kubernetes/test/integration/framework"
+	"sigs.k8s.io/yaml"
+)
+
+// namespace used for all tests, do not change this
+const testNamespace = "statusnamespace"
+
+var statusData = map[schema.GroupVersionResource]string{
+	gvr("", "v1", "persistentvolumes"):                                  `{"status": {"message": "hello"}}`,
+	gvr("", "v1", "resourcequotas"):                                     `{"status": {"used": {"cpu": "5M"}}}`,
+	gvr("", "v1", "services"):                                           `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`,
+	gvr("extensions", "v1beta1", "ingresses"):                           `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`,
+	gvr("networking.k8s.io", "v1beta1", "ingresses"):                    `{"status": {"loadBalancer": {"ingress": [{"ip": "127.0.0.1"}]}}}`,
+	gvr("autoscaling", "v1", "horizontalpodautoscalers"):                `{"status": {"currentReplicas": 5}}`,
+	gvr("batch", "v1beta1", "cronjobs"):                                 `{"status": {"lastScheduleTime": null}}`,
+	gvr("batch", "v2alpha1", "cronjobs"):                                `{"status": {"lastScheduleTime": null}}`,
+	gvr("storage.k8s.io", "v1", "volumeattachments"):                    `{"status": {"attached": true}}`,
+	gvr("policy", "v1beta1", "poddisruptionbudgets"):                    `{"status": {"currentHealthy": 5}}`,
+	gvr("certificates.k8s.io", "v1beta1", "certificatesigningrequests"): `{"status": {"conditions": [{"type": "MyStatus"}]}}`,
+}
+
+const statusDefault = `{"status": {"conditions": [{"type": "MyStatus", "status":"true"}]}}`
+
+// DO NOT ADD TO THIS LIST.
+// This list is used to ignore known bugs. We shouldn't introduce new bugs.
+var ignoreList = map[schema.GroupVersionResource]struct{}{
+	// TODO(#89264): apiservices doesn't work because the openapi is not routed properly.
+	gvr("apiregistration.k8s.io", "v1beta1", "apiservices"): {},
+	gvr("apiregistration.k8s.io", "v1", "apiservices"):      {},
+}
+
+func gvr(g, v, r string) schema.GroupVersionResource {
+	return schema.GroupVersionResource{Group: g, Version: v, Resource: r}
+}
+
+func createMapping(groupVersion string, resource metav1.APIResource) (*meta.RESTMapping, error) {
+	gv, err := schema.ParseGroupVersion(groupVersion)
+	if err != nil {
+		return nil, err
+	}
+	if len(resource.Group) > 0 || len(resource.Version) > 0 {
+		gv = schema.GroupVersion{
+			Group:   resource.Group,
+			Version: resource.Version,
+		}
+	}
+	gvk := gv.WithKind(resource.Kind)
+	gvr := gv.WithResource(strings.TrimSuffix(resource.Name, "/status"))
+	scope := meta.RESTScopeRoot
+	if resource.Namespaced {
+		scope = meta.RESTScopeNamespace
+	}
+	return &meta.RESTMapping{
+		Resource:         gvr,
+		GroupVersionKind: gvk,
+		Scope:            scope,
+	}, nil
+}
+
+// TestApplyStatus makes sure that applying the status works for all known types.
+func TestApplyStatus(t *testing.T) {
+	defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
+	server, err := apiservertesting.StartTestServer(t, apiservertesting.NewDefaultTestServerOptions(), []string{"--disable-admission-plugins", "ServiceAccount,TaintNodesByCondition"}, framework.SharedEtcd())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer server.TearDownFn()
+
+	client, err := kubernetes.NewForConfig(server.ClientConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dynamicClient, err := dynamic.NewForConfig(server.ClientConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// create CRDs so we can make sure that custom resources do not get lost
+	etcd.CreateTestCRDs(t, apiextensionsclientset.NewForConfigOrDie(server.ClientConfig), false, etcd.GetCustomResourceDefinitionData()...)
+	if _, err := client.CoreV1().Namespaces().Create(context.TODO(), &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: testNamespace}}, metav1.CreateOptions{}); err != nil {
+		t.Fatal(err)
+	}
+
+	createData := etcd.GetEtcdStorageData()
+
+	// gather resources to test
+	_, resourceLists, err := client.Discovery().ServerGroupsAndResources()
+	if err != nil {
+		t.Fatalf("Failed to get ServerGroupsAndResources with error: %+v", err)
+	}
+
+	for _, resourceList := range resourceLists {
+		for _, resource := range resourceList.APIResources {
+			if !strings.HasSuffix(resource.Name, "/status") {
+				continue
+			}
+			mapping, err := createMapping(resourceList.GroupVersion, resource)
+			if err != nil {
+				t.Fatal(err)
+			}
+			t.Run(mapping.Resource.String(), func(t *testing.T) {
+				if _, ok := ignoreList[mapping.Resource]; ok {
+					t.Skip()
+				}
+				status, ok := statusData[mapping.Resource]
+				if !ok {
+					status = statusDefault
+				}
+				newResource, ok := createData[mapping.Resource]
+				if !ok {
+					t.Fatalf("no test data for %s.  Please add a test for your new type to etcd.GetEtcdStorageData().", mapping.Resource)
+				}
+				newObj := unstructured.Unstructured{}
+				if err := json.Unmarshal([]byte(newResource.Stub), &newObj.Object); err != nil {
+					t.Fatal(err)
+				}
+
+				namespace := testNamespace
+				if mapping.Scope == meta.RESTScopeRoot {
+					namespace = ""
+				}
+				name := newObj.GetName()
+				rsc := dynamicClient.Resource(mapping.Resource).Namespace(namespace)
+				_, err := rsc.Create(context.TODO(), &newObj, metav1.CreateOptions{FieldManager: "create_test"})
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				statusObj := unstructured.Unstructured{}
+				if err := json.Unmarshal([]byte(status), &statusObj.Object); err != nil {
+					t.Fatal(err)
+				}
+				statusObj.SetAPIVersion(mapping.GroupVersionKind.GroupVersion().String())
+				statusObj.SetKind(mapping.GroupVersionKind.Kind)
+				statusObj.SetName(name)
+				statusYAML, err := yaml.Marshal(statusObj.Object)
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				True := true
+				obj, err := dynamicClient.
+					Resource(mapping.Resource).
+					Namespace(namespace).
+					Patch(context.TODO(), name, types.ApplyPatchType, statusYAML, metav1.PatchOptions{FieldManager: "apply_status_test", Force: &True}, "status")
+				if err != nil {
+					t.Fatalf("Failed to apply: %v", err)
+				}
+
+				accessor, err := meta.Accessor(obj)
+				if err != nil {
+					t.Fatalf("Failed to get meta accessor: %v:\n%v", err, obj)
+				}
+
+				managedFields := accessor.GetManagedFields()
+				if managedFields == nil {
+					t.Fatal("Empty managed fields")
+				}
+				if !findManager(managedFields, "apply_status_test") {
+					t.Fatalf("Couldn't find apply_status_test: %v", managedFields)
+				}
+				if !findManager(managedFields, "create_test") {
+					t.Fatalf("Couldn't find create_test: %v", managedFields)
+				}
+
+				if err := rsc.Delete(context.TODO(), name, *metav1.NewDeleteOptions(0)); err != nil {
+					t.Fatalf("deleting final object failed: %v", err)
+				}
+			})
+		}
+	}
+}
+
+func findManager(managedFields []metav1.ManagedFieldsEntry, manager string) bool {
+	for _, entry := range managedFields {
+		if entry.Manager == manager {
+			return true
+		}
+	}
+	return false
+}