1495c9f2cd
This is to ensure that all existing tests don't break when defaulting the pod security policy to restricted in the e2e test framework.
104 lines
3.7 KiB
Go
104 lines
3.7 KiB
Go
//go:build cgo && linux
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// +build cgo,linux
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/*
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Copyright 2021 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 e2enode
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import (
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"context"
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"fmt"
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"runtime"
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"time"
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"github.com/onsi/ginkgo"
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v1 "k8s.io/api/core/v1"
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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/apimachinery/pkg/util/wait"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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nodeutil "k8s.io/component-helpers/node/util"
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"k8s.io/kubernetes/test/e2e/framework"
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admissionapi "k8s.io/pod-security-admission/api"
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)
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var _ = SIGDescribe("OSArchLabelReconciliation [Serial] [Slow] [Disruptive]", func() {
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f := framework.NewDefaultFramework("node-label-reconciliation")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelPrivileged
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ginkgo.Context("Kubelet", func() {
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ginkgo.It("should reconcile the OS and Arch labels when restarted", func() {
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node := getLocalNode(f)
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framework.ExpectNodeHasLabel(f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS)
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framework.ExpectNodeHasLabel(f.ClientSet, node.Name, v1.LabelArchStable, runtime.GOARCH)
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ginkgo.By("killing and restarting kubelet")
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// Let's kill the kubelet
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startKubelet := stopKubelet()
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// Update labels
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newNode := node.DeepCopy()
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newNode.Labels[v1.LabelOSStable] = "dummyOS"
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newNode.Labels[v1.LabelArchStable] = "dummyArch"
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_, _, err := nodeutil.PatchNodeStatus(f.ClientSet.CoreV1(), types.NodeName(node.Name), node, newNode)
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framework.ExpectNoError(err)
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// Restart kubelet
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startKubelet()
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framework.ExpectNoError(framework.WaitForAllNodesSchedulable(f.ClientSet, framework.RestartNodeReadyAgainTimeout))
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// If this happens right, node should have all the labels reset properly
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err = waitForNodeLabels(f.ClientSet.CoreV1(), node.Name, 5*time.Minute)
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framework.ExpectNoError(err)
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})
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ginkgo.It("should reconcile the OS and Arch labels when running", func() {
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node := getLocalNode(f)
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framework.ExpectNodeHasLabel(f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS)
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framework.ExpectNodeHasLabel(f.ClientSet, node.Name, v1.LabelArchStable, runtime.GOARCH)
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// Update labels
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newNode := node.DeepCopy()
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newNode.Labels[v1.LabelOSStable] = "dummyOS"
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newNode.Labels[v1.LabelArchStable] = "dummyArch"
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_, _, err := nodeutil.PatchNodeStatus(f.ClientSet.CoreV1(), types.NodeName(node.Name), node, newNode)
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framework.ExpectNoError(err)
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err = waitForNodeLabels(f.ClientSet.CoreV1(), node.Name, 5*time.Minute)
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framework.ExpectNoError(err)
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})
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})
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})
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// waitForNodeLabels waits for the nodes to be have appropriate labels.
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func waitForNodeLabels(c v1core.CoreV1Interface, nodeName string, timeout time.Duration) error {
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ginkgo.By(fmt.Sprintf("Waiting for node %v to have appropriate labels", nodeName))
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// Poll until the node has desired labels
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return wait.Poll(framework.Poll, timeout,
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func() (bool, error) {
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node, err := c.Nodes().Get(context.TODO(), nodeName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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osLabel, ok := node.Labels[v1.LabelOSStable]
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if !ok || osLabel != runtime.GOOS {
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return false, nil
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}
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archLabel, ok := node.Labels[v1.LabelArchStable]
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if !ok || archLabel != runtime.GOARCH {
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return false, nil
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}
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return true, nil
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})
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}
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