mirror of
https://github.com/ceph/ceph-csi.git
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707 lines
20 KiB
Go
707 lines
20 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 auth
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"strings"
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apiv1 "k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
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"k8s.io/apiextensions-apiserver/test/integration/testserver"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apiserver/pkg/apis/audit/v1beta1"
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"k8s.io/kubernetes/test/e2e/framework"
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imageutils "k8s.io/kubernetes/test/utils/image"
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"github.com/evanphx/json-patch"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var (
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watchTestTimeout int64 = 1
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auditTestUser = "kubecfg"
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crd = testserver.NewRandomNameCustomResourceDefinition(apiextensionsv1beta1.ClusterScoped)
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crdName = strings.SplitN(crd.Name, ".", 2)[0]
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crdNamespace = strings.SplitN(crd.Name, ".", 2)[1]
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watchOptions = metav1.ListOptions{TimeoutSeconds: &watchTestTimeout}
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patch, _ = json.Marshal(jsonpatch.Patch{})
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)
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var _ = SIGDescribe("Advanced Audit", func() {
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f := framework.NewDefaultFramework("audit")
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BeforeEach(func() {
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framework.SkipUnlessProviderIs("gce")
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})
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// TODO: Get rid of [DisabledForLargeClusters] when feature request #53455 is ready.
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It("should audit API calls [DisabledForLargeClusters]", func() {
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namespace := f.Namespace.Name
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config, err := framework.LoadConfig()
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framework.ExpectNoError(err, "failed to load config")
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apiExtensionClient, err := clientset.NewForConfig(config)
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framework.ExpectNoError(err, "failed to initialize apiExtensionClient")
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testCases := []struct {
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action func()
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events []auditEvent
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}{
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// Create, get, update, patch, delete, list, watch pods.
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{
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func() {
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pod := &apiv1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "audit-pod",
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},
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Spec: apiv1.PodSpec{
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Containers: []apiv1.Container{{
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Name: "pause",
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Image: framework.GetPauseImageName(f.ClientSet),
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}},
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},
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}
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updatePod := func(pod *apiv1.Pod) {}
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f.PodClient().CreateSync(pod)
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_, err := f.PodClient().Get(pod.Name, metav1.GetOptions{})
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framework.ExpectNoError(err, "failed to get audit-pod")
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podChan, err := f.PodClient().Watch(watchOptions)
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framework.ExpectNoError(err, "failed to create watch for pods")
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for range podChan.ResultChan() {
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}
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f.PodClient().Update(pod.Name, updatePod)
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_, err = f.PodClient().List(metav1.ListOptions{})
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framework.ExpectNoError(err, "failed to list pods")
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_, err = f.PodClient().Patch(pod.Name, types.JSONPatchType, patch)
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framework.ExpectNoError(err, "failed to patch pod")
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f.PodClient().DeleteSync(pod.Name, &metav1.DeleteOptions{}, framework.DefaultPodDeletionTimeout)
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},
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[]auditEvent{
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{
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods", namespace),
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"create",
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201,
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auditTestUser,
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"pods",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods/audit-pod", namespace),
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"get",
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200,
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auditTestUser,
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"pods",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods", namespace),
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"list",
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200,
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auditTestUser,
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"pods",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseStarted,
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fmt.Sprintf("/api/v1/namespaces/%s/pods?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"pods",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"pods",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods/audit-pod", namespace),
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"update",
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200,
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auditTestUser,
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"pods",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods/audit-pod", namespace),
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"patch",
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200,
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auditTestUser,
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"pods",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/pods/audit-pod", namespace),
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"delete",
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200,
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auditTestUser,
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"pods",
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namespace,
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true,
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true,
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},
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},
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},
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// Create, get, update, patch, delete, list, watch deployments.
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{
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func() {
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podLabels := map[string]string{"name": "audit-deployment-pod"}
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d := framework.NewDeployment("audit-deployment", int32(1), podLabels, "redis", imageutils.GetE2EImage(imageutils.Redis), extensions.RecreateDeploymentStrategyType)
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_, err := f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Create(d)
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framework.ExpectNoError(err, "failed to create audit-deployment")
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_, err = f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Get(d.Name, metav1.GetOptions{})
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framework.ExpectNoError(err, "failed to get audit-deployment")
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deploymentChan, err := f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Watch(watchOptions)
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framework.ExpectNoError(err, "failed to create watch for deployments")
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for range deploymentChan.ResultChan() {
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}
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_, err = f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Update(d)
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framework.ExpectNoError(err, "failed to update audit-deployment")
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_, err = f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Patch(d.Name, types.JSONPatchType, patch)
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framework.ExpectNoError(err, "failed to patch deployment")
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_, err = f.ClientSet.ExtensionsV1beta1().Deployments(namespace).List(metav1.ListOptions{})
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framework.ExpectNoError(err, "failed to create list deployments")
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err = f.ClientSet.ExtensionsV1beta1().Deployments(namespace).Delete("audit-deployment", &metav1.DeleteOptions{})
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framework.ExpectNoError(err, "failed to delete deployments")
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},
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[]auditEvent{
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{
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments", namespace),
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"create",
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201,
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auditTestUser,
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"deployments",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments/audit-deployment", namespace),
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"get",
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200,
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auditTestUser,
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"deployments",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments", namespace),
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"list",
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200,
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auditTestUser,
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"deployments",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseStarted,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"deployments",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequest,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"deployments",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments/audit-deployment", namespace),
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"update",
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200,
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auditTestUser,
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"deployments",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments/audit-deployment", namespace),
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"patch",
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200,
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auditTestUser,
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"deployments",
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namespace,
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true,
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true,
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}, {
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v1beta1.LevelRequestResponse,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/apis/extensions/v1beta1/namespaces/%s/deployments/audit-deployment", namespace),
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"delete",
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200,
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auditTestUser,
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"deployments",
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namespace,
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true,
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true,
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},
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},
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},
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// Create, get, update, patch, delete, list, watch configmaps.
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{
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func() {
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configMap := &apiv1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: "audit-configmap",
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},
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Data: map[string]string{
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"map-key": "map-value",
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},
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}
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_, err := f.ClientSet.CoreV1().ConfigMaps(namespace).Create(configMap)
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framework.ExpectNoError(err, "failed to create audit-configmap")
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_, err = f.ClientSet.CoreV1().ConfigMaps(namespace).Get(configMap.Name, metav1.GetOptions{})
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framework.ExpectNoError(err, "failed to get audit-configmap")
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configMapChan, err := f.ClientSet.CoreV1().ConfigMaps(namespace).Watch(watchOptions)
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framework.ExpectNoError(err, "failed to create watch for config maps")
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for range configMapChan.ResultChan() {
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}
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_, err = f.ClientSet.CoreV1().ConfigMaps(namespace).Update(configMap)
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framework.ExpectNoError(err, "failed to update audit-configmap")
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_, err = f.ClientSet.CoreV1().ConfigMaps(namespace).Patch(configMap.Name, types.JSONPatchType, patch)
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framework.ExpectNoError(err, "failed to patch configmap")
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_, err = f.ClientSet.CoreV1().ConfigMaps(namespace).List(metav1.ListOptions{})
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framework.ExpectNoError(err, "failed to list config maps")
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err = f.ClientSet.CoreV1().ConfigMaps(namespace).Delete(configMap.Name, &metav1.DeleteOptions{})
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framework.ExpectNoError(err, "failed to delete audit-configmap")
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},
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[]auditEvent{
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{
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps", namespace),
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"create",
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201,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps/audit-configmap", namespace),
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"get",
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200,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps", namespace),
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"list",
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200,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseStarted,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
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"watch",
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200,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps/audit-configmap", namespace),
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"update",
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200,
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auditTestUser,
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"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps/audit-configmap", namespace),
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"patch",
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200,
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auditTestUser,
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|
"configmaps",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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|
v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/configmaps/audit-configmap", namespace),
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"delete",
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|
200,
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|
auditTestUser,
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|
"configmaps",
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namespace,
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false,
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false,
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},
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},
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},
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// Create, get, update, patch, delete, list, watch secrets.
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{
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func() {
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secret := &apiv1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "audit-secret",
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},
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Data: map[string][]byte{
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"top-secret": []byte("foo-bar"),
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},
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}
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_, err := f.ClientSet.CoreV1().Secrets(namespace).Create(secret)
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framework.ExpectNoError(err, "failed to create audit-secret")
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_, err = f.ClientSet.CoreV1().Secrets(namespace).Get(secret.Name, metav1.GetOptions{})
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framework.ExpectNoError(err, "failed to get audit-secret")
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secretChan, err := f.ClientSet.CoreV1().Secrets(namespace).Watch(watchOptions)
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framework.ExpectNoError(err, "failed to create watch for secrets")
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for range secretChan.ResultChan() {
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}
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_, err = f.ClientSet.CoreV1().Secrets(namespace).Update(secret)
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framework.ExpectNoError(err, "failed to update audit-secret")
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_, err = f.ClientSet.CoreV1().Secrets(namespace).Patch(secret.Name, types.JSONPatchType, patch)
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framework.ExpectNoError(err, "failed to patch secret")
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_, err = f.ClientSet.CoreV1().Secrets(namespace).List(metav1.ListOptions{})
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framework.ExpectNoError(err, "failed to list secrets")
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err = f.ClientSet.CoreV1().Secrets(namespace).Delete(secret.Name, &metav1.DeleteOptions{})
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framework.ExpectNoError(err, "failed to delete audit-secret")
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},
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[]auditEvent{
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{
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/secrets", namespace),
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"create",
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201,
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auditTestUser,
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|
"secrets",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
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v1beta1.StageResponseComplete,
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fmt.Sprintf("/api/v1/namespaces/%s/secrets/audit-secret", namespace),
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"get",
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200,
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auditTestUser,
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"secrets",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseComplete,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets", namespace),
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"list",
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|
200,
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auditTestUser,
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|
"secrets",
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namespace,
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false,
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false,
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}, {
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v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseStarted,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
|
|
"watch",
|
|
200,
|
|
auditTestUser,
|
|
"secrets",
|
|
namespace,
|
|
false,
|
|
false,
|
|
}, {
|
|
v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseComplete,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets?timeoutSeconds=%d&watch=true", namespace, watchTestTimeout),
|
|
"watch",
|
|
200,
|
|
auditTestUser,
|
|
"secrets",
|
|
namespace,
|
|
false,
|
|
false,
|
|
}, {
|
|
v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseComplete,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets/audit-secret", namespace),
|
|
"update",
|
|
200,
|
|
auditTestUser,
|
|
"secrets",
|
|
namespace,
|
|
false,
|
|
false,
|
|
}, {
|
|
v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseComplete,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets/audit-secret", namespace),
|
|
"patch",
|
|
200,
|
|
auditTestUser,
|
|
"secrets",
|
|
namespace,
|
|
false,
|
|
false,
|
|
}, {
|
|
v1beta1.LevelMetadata,
|
|
v1beta1.StageResponseComplete,
|
|
fmt.Sprintf("/api/v1/namespaces/%s/secrets/audit-secret", namespace),
|
|
"delete",
|
|
200,
|
|
auditTestUser,
|
|
"secrets",
|
|
namespace,
|
|
false,
|
|
false,
|
|
},
|
|
},
|
|
},
|
|
// Create and delete custom resource definition.
|
|
{
|
|
func() {
|
|
_, err = testserver.CreateNewCustomResourceDefinition(crd, apiExtensionClient, f.ClientPool)
|
|
framework.ExpectNoError(err, "failed to create custom resource definition")
|
|
testserver.DeleteCustomResourceDefinition(crd, apiExtensionClient)
|
|
},
|
|
[]auditEvent{
|
|
{
|
|
level: v1beta1.LevelRequestResponse,
|
|
stage: v1beta1.StageResponseComplete,
|
|
requestURI: "/apis/apiextensions.k8s.io/v1beta1/customresourcedefinitions",
|
|
verb: "create",
|
|
code: 201,
|
|
user: auditTestUser,
|
|
resource: "customresourcedefinitions",
|
|
requestObject: true,
|
|
responseObject: true,
|
|
}, {
|
|
level: v1beta1.LevelMetadata,
|
|
stage: v1beta1.StageResponseComplete,
|
|
requestURI: fmt.Sprintf("/apis/%s/v1beta1/%s", crdNamespace, crdName),
|
|
verb: "create",
|
|
code: 201,
|
|
user: auditTestUser,
|
|
resource: crdName,
|
|
requestObject: false,
|
|
responseObject: false,
|
|
}, {
|
|
level: v1beta1.LevelRequestResponse,
|
|
stage: v1beta1.StageResponseComplete,
|
|
requestURI: fmt.Sprintf("/apis/apiextensions.k8s.io/v1beta1/customresourcedefinitions/%s", crd.Name),
|
|
verb: "delete",
|
|
code: 200,
|
|
user: auditTestUser,
|
|
resource: "customresourcedefinitions",
|
|
requestObject: false,
|
|
responseObject: true,
|
|
}, {
|
|
level: v1beta1.LevelMetadata,
|
|
stage: v1beta1.StageResponseComplete,
|
|
requestURI: fmt.Sprintf("/apis/%s/v1beta1/%s/setup-instance", crdNamespace, crdName),
|
|
verb: "delete",
|
|
code: 200,
|
|
user: auditTestUser,
|
|
resource: crdName,
|
|
requestObject: false,
|
|
responseObject: false,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
expectedEvents := []auditEvent{}
|
|
for _, t := range testCases {
|
|
t.action()
|
|
expectedEvents = append(expectedEvents, t.events...)
|
|
}
|
|
|
|
expectAuditLines(f, expectedEvents)
|
|
})
|
|
})
|
|
|
|
type auditEvent struct {
|
|
level v1beta1.Level
|
|
stage v1beta1.Stage
|
|
requestURI string
|
|
verb string
|
|
code int32
|
|
user string
|
|
resource string
|
|
namespace string
|
|
requestObject bool
|
|
responseObject bool
|
|
}
|
|
|
|
// Search the audit log for the expected audit lines.
|
|
func expectAuditLines(f *framework.Framework, expected []auditEvent) {
|
|
expectations := map[auditEvent]bool{}
|
|
for _, event := range expected {
|
|
expectations[event] = false
|
|
}
|
|
|
|
// Fetch the log stream.
|
|
stream, err := f.ClientSet.CoreV1().RESTClient().Get().AbsPath("/logs/kube-apiserver-audit.log").Stream()
|
|
framework.ExpectNoError(err, "could not read audit log")
|
|
defer stream.Close()
|
|
|
|
scanner := bufio.NewScanner(stream)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
event, err := parseAuditLine(line)
|
|
framework.ExpectNoError(err)
|
|
|
|
// If the event was expected, mark it as found.
|
|
if _, found := expectations[event]; found {
|
|
expectations[event] = true
|
|
}
|
|
}
|
|
framework.ExpectNoError(scanner.Err(), "error reading audit log")
|
|
|
|
for event, found := range expectations {
|
|
Expect(found).To(BeTrue(), "Event %#v not found!", event)
|
|
}
|
|
}
|
|
|
|
func parseAuditLine(line string) (auditEvent, error) {
|
|
var e v1beta1.Event
|
|
if err := json.Unmarshal([]byte(line), &e); err != nil {
|
|
return auditEvent{}, err
|
|
}
|
|
event := auditEvent{
|
|
level: e.Level,
|
|
stage: e.Stage,
|
|
requestURI: e.RequestURI,
|
|
verb: e.Verb,
|
|
user: e.User.Username,
|
|
}
|
|
if e.ObjectRef != nil {
|
|
event.namespace = e.ObjectRef.Namespace
|
|
event.resource = e.ObjectRef.Resource
|
|
}
|
|
if e.ResponseStatus != nil {
|
|
event.code = e.ResponseStatus.Code
|
|
}
|
|
if e.ResponseObject != nil {
|
|
event.responseObject = true
|
|
}
|
|
if e.RequestObject != nil {
|
|
event.requestObject = true
|
|
}
|
|
return event, nil
|
|
}
|