mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-02 19:28:16 +00:00
3aa95dafea
Moved Kubelet health checks from test cases to the stopKubelet API. This should make the API cleaner and easier to use.
105 lines
3.9 KiB
Go
105 lines
3.9 KiB
Go
//go:build linux
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// +build 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/v2"
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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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e2enode "k8s.io/kubernetes/test/e2e/framework/node"
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admissionapi "k8s.io/pod-security-admission/api"
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)
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var _ = SIGDescribe("OSArchLabelReconciliation", framework.WithSerial(), framework.WithSlow(), framework.WithDisruptive(), func() {
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f := framework.NewDefaultFramework("node-label-reconciliation")
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f.NamespacePodSecurityLevel = 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(ctx context.Context) {
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node := getLocalNode(ctx, f)
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e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS)
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e2enode.ExpectNodeHasLabel(ctx, 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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restartKubelet := mustStopKubelet(ctx, f)
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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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restartKubelet(ctx)
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framework.ExpectNoError(e2enode.WaitForAllNodesSchedulable(ctx, 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(ctx, 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(ctx context.Context) {
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node := getLocalNode(ctx, f)
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e2enode.ExpectNodeHasLabel(ctx, f.ClientSet, node.Name, v1.LabelOSStable, runtime.GOOS)
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e2enode.ExpectNodeHasLabel(ctx, 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(ctx, 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(ctx context.Context, 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.PollUntilContextTimeout(ctx, framework.Poll, timeout, false,
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func(ctx context.Context) (bool, error) {
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node, err := c.Nodes().Get(ctx, 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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