mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-19 09:52:49 +00:00
330 lines
11 KiB
Go
330 lines
11 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controlplane
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import (
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"testing"
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"time"
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"k8s.io/apiextensions-apiserver/test/integration/fixtures"
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apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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v1 "k8s.io/api/core/v1"
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networkingv1 "k8s.io/api/networking/v1"
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apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/kubernetes"
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"k8s.io/kube-openapi/pkg/validation/spec"
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kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
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"k8s.io/kubernetes/test/integration/etcd"
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"k8s.io/kubernetes/test/integration/framework"
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)
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func TestCRDShadowGroup(t *testing.T) {
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result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
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defer result.TearDownFn()
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testNamespace := "test-crd-shadow-group"
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kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if _, err := kubeclient.CoreV1().Namespaces().Create(context.TODO(), (&v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: testNamespace}}), metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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apiextensionsclient, err := apiextensionsclientset.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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t.Logf("Creating a NetworkPolicy")
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nwPolicy, err := kubeclient.NetworkingV1().NetworkPolicies(testNamespace).Create(context.TODO(), &networkingv1.NetworkPolicy{
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ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: testNamespace},
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Spec: networkingv1.NetworkPolicySpec{
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PodSelector: metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
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Ingress: []networkingv1.NetworkPolicyIngressRule{},
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},
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}, metav1.CreateOptions{})
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if err != nil {
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t.Fatalf("Failed to create NetworkPolicy: %v", err)
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}
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t.Logf("Trying to shadow networking group")
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crd := &apiextensionsv1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foos." + networkingv1.GroupName,
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Annotations: map[string]string{"api-approved.kubernetes.io": "unapproved, test-only"},
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},
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Spec: apiextensionsv1.CustomResourceDefinitionSpec{
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Group: networkingv1.GroupName,
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Scope: apiextensionsv1.ClusterScoped,
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Names: apiextensionsv1.CustomResourceDefinitionNames{
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Plural: "foos",
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Kind: "Foo",
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},
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Versions: []apiextensionsv1.CustomResourceDefinitionVersion{
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{
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Name: networkingv1.SchemeGroupVersion.Version,
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Served: true,
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Storage: true,
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Schema: fixtures.AllowAllSchema(),
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},
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},
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},
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}
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etcd.CreateTestCRDs(t, apiextensionsclient, true, crd)
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// wait to give aggregator time to update
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time.Sleep(2 * time.Second)
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t.Logf("Checking that we still see the NetworkPolicy")
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_, err = kubeclient.NetworkingV1().NetworkPolicies(nwPolicy.Namespace).Get(context.TODO(), nwPolicy.Name, metav1.GetOptions{})
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if err != nil {
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t.Errorf("Failed to get NetworkPolocy: %v", err)
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}
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t.Logf("Checking that crd resource does not show up in networking group")
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if etcd.CrdExistsInDiscovery(apiextensionsclient, crd) {
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t.Errorf("CRD resource shows up in discovery, but shouldn't.")
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}
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}
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func TestCRD(t *testing.T) {
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result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
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defer result.TearDownFn()
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testNamespace := "test-crd"
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kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if _, err := kubeclient.CoreV1().Namespaces().Create(context.TODO(), (&v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: testNamespace}}), metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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apiextensionsclient, err := apiextensionsclientset.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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t.Logf("Trying to create a custom resource without conflict")
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crd := &apiextensionsv1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foos.cr.bar.com",
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},
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Spec: apiextensionsv1.CustomResourceDefinitionSpec{
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Group: "cr.bar.com",
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Scope: apiextensionsv1.NamespaceScoped,
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Names: apiextensionsv1.CustomResourceDefinitionNames{
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Plural: "foos",
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Kind: "Foo",
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},
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Versions: []apiextensionsv1.CustomResourceDefinitionVersion{
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{
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Name: networkingv1.SchemeGroupVersion.Version,
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Served: true,
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Storage: true,
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Schema: fixtures.AllowAllSchema(),
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},
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},
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},
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}
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etcd.CreateTestCRDs(t, apiextensionsclient, false, crd)
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t.Logf("Trying to access foos.cr.bar.com with dynamic client")
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dynamicClient, err := dynamic.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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fooResource := schema.GroupVersionResource{Group: "cr.bar.com", Version: "v1", Resource: "foos"}
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_, err = dynamicClient.Resource(fooResource).Namespace(testNamespace).List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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t.Errorf("Failed to list foos.cr.bar.com instances: %v", err)
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}
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}
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func TestCRDOpenAPI(t *testing.T) {
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result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
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defer result.TearDownFn()
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kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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apiextensionsclient, err := apiextensionsclientset.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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dynamicClient, err := dynamic.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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t.Logf("Trying to create a CustomResourceDefinitions")
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nonStructuralBetaCRD := &apiextensionsv1beta1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foos.nonstructural.cr.bar.com",
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},
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Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
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Group: "nonstructural.cr.bar.com",
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Version: "v1",
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Scope: apiextensionsv1beta1.NamespaceScoped,
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Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
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Plural: "foos",
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Kind: "Foo",
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},
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Validation: &apiextensionsv1beta1.CustomResourceValidation{
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OpenAPIV3Schema: &apiextensionsv1beta1.JSONSchemaProps{
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Type: "object",
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Properties: map[string]apiextensionsv1beta1.JSONSchemaProps{
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"foo": {},
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},
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},
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},
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},
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}
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structuralCRD := &apiextensionsv1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foos.structural.cr.bar.com",
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},
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Spec: apiextensionsv1.CustomResourceDefinitionSpec{
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Group: "structural.cr.bar.com",
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Scope: apiextensionsv1.NamespaceScoped,
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Names: apiextensionsv1.CustomResourceDefinitionNames{
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Plural: "foos",
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Kind: "Foo",
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},
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Versions: []apiextensionsv1.CustomResourceDefinitionVersion{
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{
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Name: "v1",
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Served: true,
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Storage: true,
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Schema: &apiextensionsv1.CustomResourceValidation{
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OpenAPIV3Schema: &apiextensionsv1.JSONSchemaProps{
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Type: "object",
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Properties: map[string]apiextensionsv1.JSONSchemaProps{
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"foo": {Type: "string"},
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},
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},
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},
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},
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},
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},
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}
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nonStructuralCRD, err := fixtures.CreateCRDUsingRemovedAPI(result.EtcdClient, result.EtcdStoragePrefix, nonStructuralBetaCRD, apiextensionsclient, dynamicClient)
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if err != nil {
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t.Fatal(err)
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}
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etcd.CreateTestCRDs(t, apiextensionsclient, false, structuralCRD)
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getPublishedSchema := func(defName string) (*spec.Schema, error) {
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bs, err := kubeclient.RESTClient().Get().AbsPath("openapi", "v2").DoRaw(context.TODO())
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if err != nil {
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return nil, err
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}
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spec := spec.Swagger{}
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if err := json.Unmarshal(bs, &spec); err != nil {
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return nil, err
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}
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if spec.SwaggerProps.Paths == nil {
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return nil, nil
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}
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d, ok := spec.SwaggerProps.Definitions[defName]
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if !ok {
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return nil, nil
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}
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return &d, nil
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}
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waitForSpec := func(crd *apiextensionsv1.CustomResourceDefinition, expectedType string) {
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t.Logf(`Waiting for {properties: {"foo": {"type":"%s"}}} to show up in schema`, expectedType)
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lastMsg := ""
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if err := wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
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lastMsg = ""
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defName := crdDefinitionName(crd)
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schema, err := getPublishedSchema(defName)
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if err != nil {
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lastMsg = err.Error()
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return false, nil
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}
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if schema == nil {
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lastMsg = fmt.Sprintf("spec.SwaggerProps.Definitions[%q] not found", defName)
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return false, nil
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}
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p, ok := schema.Properties["foo"]
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if !ok {
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lastMsg = fmt.Sprintf(`spec.SwaggerProps.Definitions[%q].Properties["foo"] not found`, defName)
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return false, nil
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}
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if !p.Type.Contains(expectedType) {
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lastMsg = fmt.Sprintf(`spec.SwaggerProps.Definitions[%q].Properties["foo"].Type should be %q, but got: %q`, defName, expectedType, p.Type)
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return false, nil
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}
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return true, nil
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}); err != nil {
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t.Fatalf("Failed to see %s OpenAPI spec in discovery: %v, last message: %s", structuralCRD.Name, err, lastMsg)
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}
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}
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t.Logf("Check that structural schema is published")
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waitForSpec(structuralCRD, "string")
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structuralCRD, err = apiextensionsclient.ApiextensionsV1().CustomResourceDefinitions().Get(context.TODO(), structuralCRD.Name, metav1.GetOptions{})
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if err != nil {
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t.Fatal(err)
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}
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prop := structuralCRD.Spec.Versions[0].Schema.OpenAPIV3Schema.Properties["foo"]
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prop.Type = "boolean"
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structuralCRD.Spec.Versions[0].Schema.OpenAPIV3Schema.Properties["foo"] = prop
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if _, err = apiextensionsclient.ApiextensionsV1().CustomResourceDefinitions().Update(context.TODO(), structuralCRD, metav1.UpdateOptions{}); err != nil {
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t.Fatal(err)
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}
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waitForSpec(structuralCRD, "boolean")
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t.Logf("Check that non-structural schema is not published")
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schema, err := getPublishedSchema(crdDefinitionName(nonStructuralCRD))
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if err != nil {
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t.Fatal(err)
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}
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if schema == nil {
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t.Fatal("expected a non-nil schema")
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}
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if foo, ok := schema.Properties["foo"]; ok {
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t.Fatalf("unexpected published 'foo' property: %#v", foo)
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}
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}
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func crdDefinitionName(crd *apiextensionsv1.CustomResourceDefinition) string {
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sgmts := strings.Split(crd.Spec.Group, ".")
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reverse(sgmts)
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return strings.Join(append(sgmts, crd.Spec.Versions[0].Name, crd.Spec.Names.Kind), ".")
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}
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func reverse(s []string) {
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for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
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s[i], s[j] = s[j], s[i]
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}
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}
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