f2cfbf44b1
This changes the text registration so that tags for which the framework has a dedicated API (features, feature gates, slow, serial, etc.) those APIs are used. Arbitrary, custom tags are still left in place for now.
109 lines
4.0 KiB
Go
109 lines
4.0 KiB
Go
/*
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Copyright 2018 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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"time"
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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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kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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kubelogs "k8s.io/kubernetes/pkg/kubelet/logs"
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"k8s.io/kubernetes/test/e2e/framework"
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e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
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admissionapi "k8s.io/pod-security-admission/api"
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"github.com/onsi/ginkgo/v2"
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"github.com/onsi/gomega"
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)
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const (
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testContainerLogMaxFiles = 3
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testContainerLogMaxSize = "40Ki"
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rotationPollInterval = 5 * time.Second
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rotationEventuallyTimeout = 3 * time.Minute
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rotationConsistentlyTimeout = 2 * time.Minute
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)
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var _ = SIGDescribe("ContainerLogRotation", framework.WithSlow(), framework.WithSerial(), framework.WithDisruptive(), func() {
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f := framework.NewDefaultFramework("container-log-rotation-test")
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f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
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ginkgo.Context("when a container generates a lot of log", func() {
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tempSetCurrentKubeletConfig(f, func(ctx context.Context, initialConfig *kubeletconfig.KubeletConfiguration) {
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initialConfig.ContainerLogMaxFiles = testContainerLogMaxFiles
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initialConfig.ContainerLogMaxSize = testContainerLogMaxSize
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})
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var logRotationPod *v1.Pod
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ginkgo.BeforeEach(func(ctx context.Context) {
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ginkgo.By("create log container")
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-container-log-rotation",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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Containers: []v1.Container{
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{
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Name: "log-container",
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Image: busyboxImage,
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Command: []string{
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"sh",
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"-c",
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// ~12Kb/s. Exceeding 40Kb in 4 seconds. Log rotation period is 10 seconds.
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"while true; do echo hello world; sleep 0.001; done;",
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},
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},
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},
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},
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}
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logRotationPod = e2epod.NewPodClient(f).CreateSync(ctx, pod)
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ginkgo.DeferCleanup(e2epod.NewPodClient(f).DeleteSync, logRotationPod.Name, metav1.DeleteOptions{}, time.Minute)
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})
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ginkgo.It("should be rotated and limited to a fixed amount of files", func(ctx context.Context) {
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ginkgo.By("get container log path")
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gomega.Expect(logRotationPod.Status.ContainerStatuses).To(gomega.HaveLen(1), "log rotation pod should have one container")
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id := kubecontainer.ParseContainerID(logRotationPod.Status.ContainerStatuses[0].ContainerID).ID
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r, _, err := getCRIClient()
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framework.ExpectNoError(err, "should connect to CRI and obtain runtime service clients and image service client")
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resp, err := r.ContainerStatus(context.Background(), id, false)
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framework.ExpectNoError(err)
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logPath := resp.GetStatus().GetLogPath()
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ginkgo.By("wait for container log being rotated to max file limit")
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gomega.Eventually(ctx, func() (int, error) {
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logs, err := kubelogs.GetAllLogs(logPath)
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if err != nil {
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return 0, err
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}
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return len(logs), nil
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}, rotationEventuallyTimeout, rotationPollInterval).Should(gomega.Equal(testContainerLogMaxFiles), "should eventually rotate to max file limit")
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ginkgo.By("make sure container log number won't exceed max file limit")
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gomega.Consistently(ctx, func() (int, error) {
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logs, err := kubelogs.GetAllLogs(logPath)
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if err != nil {
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return 0, err
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}
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return len(logs), nil
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}, rotationConsistentlyTimeout, rotationPollInterval).Should(gomega.BeNumerically("<=", testContainerLogMaxFiles), "should never exceed max file limit")
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})
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})
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})
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