k8s.io/kubernetes@v1.29.3/test/e2e_node/os_label_rename_test.go (about) 1 //go:build linux 2 // +build linux 3 4 /* 5 Copyright 2021 The Kubernetes Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 */ 19 20 package e2enode 21 22 import ( 23 "context" 24 "fmt" 25 "runtime" 26 "time" 27 28 "github.com/onsi/ginkgo/v2" 29 30 v1 "k8s.io/api/core/v1" 31 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 32 "k8s.io/apimachinery/pkg/types" 33 "k8s.io/apimachinery/pkg/util/wait" 34 v1core "k8s.io/client-go/kubernetes/typed/core/v1" 35 nodeutil "k8s.io/component-helpers/node/util" 36 "k8s.io/kubernetes/test/e2e/framework" 37 e2enode "k8s.io/kubernetes/test/e2e/framework/node" 38 admissionapi "k8s.io/pod-security-admission/api" 39 ) 40 41 var _ = SIGDescribe("OSArchLabelReconciliation", framework.WithSerial(), framework.WithSlow(), framework.WithDisruptive(), func() { 42 f := framework.NewDefaultFramework("node-label-reconciliation") 43 f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged 44 ginkgo.Context("Kubelet", func() { 45 ginkgo.It("should reconcile the OS and Arch labels when restarted", func(ctx context.Context) { 46 node := getLocalNode(ctx, f) 47 e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS) 48 e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelArchStable, runtime.GOARCH) 49 50 ginkgo.By("killing and restarting kubelet") 51 // Let's kill the kubelet 52 startKubelet := stopKubelet() 53 // Update labels 54 newNode := node.DeepCopy() 55 newNode.Labels[v1.LabelOSStable] = "dummyOS" 56 newNode.Labels[v1.LabelArchStable] = "dummyArch" 57 _, _, err := nodeutil.PatchNodeStatus(f.ClientSet.CoreV1(), types.NodeName(node.Name), node, newNode) 58 framework.ExpectNoError(err) 59 // Restart kubelet 60 startKubelet() 61 framework.ExpectNoError(e2enode.WaitForAllNodesSchedulable(ctx, f.ClientSet, framework.RestartNodeReadyAgainTimeout)) 62 // If this happens right, node should have all the labels reset properly 63 err = waitForNodeLabels(ctx, f.ClientSet.CoreV1(), node.Name, 5*time.Minute) 64 framework.ExpectNoError(err) 65 }) 66 ginkgo.It("should reconcile the OS and Arch labels when running", func(ctx context.Context) { 67 68 node := getLocalNode(ctx, f) 69 e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS) 70 e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelArchStable, runtime.GOARCH) 71 72 // Update labels 73 newNode := node.DeepCopy() 74 newNode.Labels[v1.LabelOSStable] = "dummyOS" 75 newNode.Labels[v1.LabelArchStable] = "dummyArch" 76 _, _, err := nodeutil.PatchNodeStatus(f.ClientSet.CoreV1(), types.NodeName(node.Name), node, newNode) 77 framework.ExpectNoError(err) 78 err = waitForNodeLabels(ctx, f.ClientSet.CoreV1(), node.Name, 5*time.Minute) 79 framework.ExpectNoError(err) 80 }) 81 }) 82 }) 83 84 // waitForNodeLabels waits for the nodes to be have appropriate labels. 85 func waitForNodeLabels(ctx context.Context, c v1core.CoreV1Interface, nodeName string, timeout time.Duration) error { 86 ginkgo.By(fmt.Sprintf("Waiting for node %v to have appropriate labels", nodeName)) 87 // Poll until the node has desired labels 88 return wait.PollWithContext(ctx, framework.Poll, timeout, 89 func(ctx context.Context) (bool, error) { 90 node, err := c.Nodes().Get(ctx, nodeName, metav1.GetOptions{}) 91 if err != nil { 92 return false, err 93 } 94 osLabel, ok := node.Labels[v1.LabelOSStable] 95 if !ok || osLabel != runtime.GOOS { 96 return false, nil 97 } 98 archLabel, ok := node.Labels[v1.LabelArchStable] 99 if !ok || archLabel != runtime.GOARCH { 100 return false, nil 101 } 102 return true, nil 103 }) 104 }