763 lines
23 KiB
Go
763 lines
23 KiB
Go
/*
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Copyright 2023 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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"bufio"
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"bytes"
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"context"
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"fmt"
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"sort"
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"strconv"
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"strings"
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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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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientset "k8s.io/client-go/kubernetes"
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admissionapi "k8s.io/pod-security-admission/api"
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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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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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type execCommand struct {
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ExitCode int
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Delay int
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StartDelay int
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}
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func ExecCommand(name string, c execCommand) []string {
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var cmd bytes.Buffer
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// all outputs are in the format of:
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// time-since-boot timestamp container-name message
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// The busybox time command doesn't support sub-second display. uptime displays in hundredths of a second, so we
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// include both and use time since boot for relative ordering
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timeCmd := "`date +%s` `cat /proc/uptime | awk '{print $1}'`"
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containerLog := fmt.Sprintf("/persistent/%s.log", name)
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fmt.Fprintf(&cmd, "touch %s; ", containerLog)
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fmt.Fprintf(&cmd, "cat %s >> /dev/termination-log; ", containerLog)
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fmt.Fprintf(&cmd, "echo %s '%s Starting %d' | tee -a %s >> /dev/termination-log; ", timeCmd, name, c.StartDelay, containerLog)
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if c.StartDelay != 0 {
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fmt.Fprintf(&cmd, "sleep %d; ", c.StartDelay)
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}
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// You can check started file to see if the container has started
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fmt.Fprintf(&cmd, "touch started; ")
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fmt.Fprintf(&cmd, "echo %s '%s Started' | tee -a %s >> /dev/termination-log; ", timeCmd, name, containerLog)
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fmt.Fprintf(&cmd, "echo %s '%s Delaying %d' | tee -a %s >> /dev/termination-log; ", timeCmd, name, c.Delay, containerLog)
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if c.Delay != 0 {
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fmt.Fprintf(&cmd, "sleep %d; ", c.Delay)
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}
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fmt.Fprintf(&cmd, "echo %s '%s Exiting' | tee -a %s >> /dev/termination-log; ", timeCmd, name, containerLog)
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fmt.Fprintf(&cmd, "exit %d", c.ExitCode)
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return []string{"sh", "-c", cmd.String()}
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}
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// WaitForPodInitContainerRestartCount waits for the given Pod init container
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// to achieve at least a given restartCount
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func WaitForPodInitContainerRestartCount(ctx context.Context, c clientset.Interface, namespace, podName string, initContainerIndex int, desiredRestartCount int32, timeout time.Duration) error {
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conditionDesc := fmt.Sprintf("init container %d started", initContainerIndex)
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return e2epod.WaitForPodCondition(ctx, c, namespace, podName, conditionDesc, timeout, func(pod *v1.Pod) (bool, error) {
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if initContainerIndex > len(pod.Status.InitContainerStatuses)-1 {
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return false, nil
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}
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containerStatus := pod.Status.InitContainerStatuses[initContainerIndex]
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return containerStatus.RestartCount >= desiredRestartCount, nil
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})
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}
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// WaitForPodContainerRestartCount waits for the given Pod container to achieve at least a given restartCount
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func WaitForPodContainerRestartCount(ctx context.Context, c clientset.Interface, namespace, podName string, containerIndex int, desiredRestartCount int32, timeout time.Duration) error {
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conditionDesc := fmt.Sprintf("container %d started", containerIndex)
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return e2epod.WaitForPodCondition(ctx, c, namespace, podName, conditionDesc, timeout, func(pod *v1.Pod) (bool, error) {
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if containerIndex > len(pod.Status.ContainerStatuses)-1 {
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return false, nil
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}
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containerStatus := pod.Status.ContainerStatuses[containerIndex]
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return containerStatus.RestartCount >= desiredRestartCount, nil
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})
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}
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// WaitForPodInitContainerToFail waits for the given Pod init container to fail with the given reason, specifically due to
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// invalid container configuration. In this case, the container will remain in a waiting state with a specific
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// reason set, which should match the given reason.
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func WaitForPodInitContainerToFail(ctx context.Context, c clientset.Interface, namespace, podName string, containerIndex int, reason string, timeout time.Duration) error {
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conditionDesc := fmt.Sprintf("container %d failed with reason %s", containerIndex, reason)
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return e2epod.WaitForPodCondition(ctx, c, namespace, podName, conditionDesc, timeout, func(pod *v1.Pod) (bool, error) {
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switch pod.Status.Phase {
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case v1.PodPending:
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if len(pod.Status.InitContainerStatuses) == 0 {
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return false, nil
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}
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containerStatus := pod.Status.InitContainerStatuses[containerIndex]
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if containerStatus.State.Waiting != nil && containerStatus.State.Waiting.Reason == reason {
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return true, nil
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}
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return false, nil
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case v1.PodFailed, v1.PodRunning, v1.PodSucceeded:
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return false, fmt.Errorf("pod was expected to be pending, but it is in the state: %s", pod.Status.Phase)
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}
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return false, nil
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})
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}
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const (
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PostStartPrefix = "PostStart"
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)
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func prefixedName(namePrefix string, name string) string {
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return fmt.Sprintf("%s-%s", namePrefix, name)
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}
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var _ = SIGDescribe("[NodeConformance] Containers Lifecycle ", func() {
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f := framework.NewDefaultFramework("containers-lifecycle-test")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelPrivileged
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ginkgo.It("should launch init container serially before a regular container", func() {
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init1 := "init-1"
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init2 := "init-2"
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init3 := "init-3"
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regular1 := "regular-1"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "initcontainer-test-pod",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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InitContainers: []v1.Container{
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{
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Name: init1,
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Image: busyboxImage,
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Command: ExecCommand(init1, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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{
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Name: init2,
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Image: busyboxImage,
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Command: ExecCommand(init2, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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{
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Name: init3,
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Image: busyboxImage,
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Command: ExecCommand(init3, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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Containers: []v1.Container{
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{
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Name: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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StartDelay: 5,
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Delay: 1,
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ExitCode: 0,
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}),
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StartupProbe: &v1.Probe{
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ProbeHandler: v1.ProbeHandler{
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Exec: &v1.ExecAction{
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Command: []string{
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"test",
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"-f",
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"started",
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},
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},
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},
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},
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},
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},
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},
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}
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preparePod(podSpec)
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/// generates an out file output like:
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//
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// 1682076093 4905.79 init-1 Starting 0
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// 1682076093 4905.80 init-1 Started
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// 1682076093 4905.80 init-1 Delaying 1
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// 1682076094 4906.80 init-1 Exiting
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// 1682076095 4907.70 init-2 Starting 0
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// 1682076095 4907.71 init-2 Started
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// 1682076095 4907.71 init-2 Delaying 1
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// 1682076096 4908.71 init-2 Exiting
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// 1682076097 4909.74 init-3 Starting 0
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// 1682076097 4909.74 init-3 Started
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// 1682076097 4909.74 init-3 Delaying 1
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// 1682076098 4910.75 init-3 Exiting
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// 1682076099 4911.70 regular-1 Starting 5
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// 1682076104 4916.71 regular-1 Started
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// 1682076104 4916.71 regular-1 Delaying 1
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// 1682076105 4917.72 regular-1 Exiting
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client := e2epod.NewPodClient(f)
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podSpec = client.Create(context.TODO(), podSpec)
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ginkgo.By("Waiting for the pod to finish")
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err := e2epod.WaitTimeoutForPodNoLongerRunningInNamespace(context.TODO(), f.ClientSet, podSpec.Name, podSpec.Namespace, 1*time.Minute)
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framework.ExpectNoError(err)
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ginkgo.By("Parsing results")
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podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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results := parseOutput(podSpec)
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// which we then use to make assertions regarding container ordering
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ginkgo.By("Analyzing results")
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framework.ExpectNoError(results.StartsBefore(init1, init2))
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framework.ExpectNoError(results.ExitsBefore(init1, init2))
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framework.ExpectNoError(results.StartsBefore(init2, init3))
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framework.ExpectNoError(results.ExitsBefore(init2, init3))
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framework.ExpectNoError(results.StartsBefore(init3, regular1))
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framework.ExpectNoError(results.ExitsBefore(init3, regular1))
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})
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ginkgo.It("should not launch regular containers if an init container fails", func() {
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init1 := "init-1"
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regular1 := "regular-1"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "initcontainer-test-pod-failure",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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InitContainers: []v1.Container{
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{
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Name: init1,
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Image: busyboxImage,
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Command: ExecCommand(init1, execCommand{
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Delay: 1,
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ExitCode: 1,
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}),
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},
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},
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Containers: []v1.Container{
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{
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Name: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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},
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}
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preparePod(podSpec)
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client := e2epod.NewPodClient(f)
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podSpec = client.Create(context.TODO(), podSpec)
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ginkgo.By("Waiting for the pod to fail")
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err := e2epod.WaitForPodFailedReason(context.TODO(), f.ClientSet, podSpec, "", 1*time.Minute)
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framework.ExpectNoError(err)
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ginkgo.By("Parsing results")
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podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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results := parseOutput(podSpec)
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ginkgo.By("Analyzing results")
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// init container should start and exit with an error, and the regular container should never start
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framework.ExpectNoError(results.Starts(init1))
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framework.ExpectNoError(results.Exits(init1))
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framework.ExpectNoError(results.DoesntStart(regular1))
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})
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ginkgo.It("should run Init container to completion before call to PostStart of regular container", func() {
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init1 := "init-1"
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regular1 := "regular-1"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "initcontainer-test-pod-with-post-start",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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InitContainers: []v1.Container{
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{
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Name: init1,
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Image: busyboxImage,
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Command: ExecCommand(init1, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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Containers: []v1.Container{
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{
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Name: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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Delay: 2,
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ExitCode: 0,
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}),
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Lifecycle: &v1.Lifecycle{
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PostStart: &v1.LifecycleHandler{
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Exec: &v1.ExecAction{
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Command: ExecCommand(prefixedName(PostStartPrefix, regular1), execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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},
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},
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},
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},
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}
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preparePod(podSpec)
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client := e2epod.NewPodClient(f)
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podSpec = client.Create(context.TODO(), podSpec)
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ginkgo.By("Waiting for the pod to finish")
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err := e2epod.WaitTimeoutForPodNoLongerRunningInNamespace(context.TODO(), f.ClientSet, podSpec.Name, podSpec.Namespace, 1*time.Minute)
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framework.ExpectNoError(err)
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ginkgo.By("Parsing results")
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podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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results := parseOutput(podSpec)
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ginkgo.By("Analyzing results")
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// init container should start and exit with an error, and the regular container should never start
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framework.ExpectNoError(results.StartsBefore(init1, prefixedName(PostStartPrefix, regular1)))
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framework.ExpectNoError(results.ExitsBefore(init1, prefixedName(PostStartPrefix, regular1)))
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framework.ExpectNoError(results.RunTogether(regular1, prefixedName(PostStartPrefix, regular1)))
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})
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ginkgo.It("should restart failing container when pod restartPolicy is Always", func() {
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regular1 := "regular-1"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "container-must-be-restarted",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyAlways,
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Containers: []v1.Container{
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{
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Name: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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Delay: 1,
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ExitCode: 1,
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}),
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},
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},
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},
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}
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preparePod(podSpec)
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client := e2epod.NewPodClient(f)
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podSpec = client.Create(context.TODO(), podSpec)
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ginkgo.By("Waiting for the pod, it will not finish")
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err := WaitForPodContainerRestartCount(context.TODO(), f.ClientSet, podSpec.Namespace, podSpec.Name, 0, 3, 2*time.Minute)
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framework.ExpectNoError(err)
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ginkgo.By("Parsing results")
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podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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results := parseOutput(podSpec)
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ginkgo.By("Analyzing results")
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// container must be restarted
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framework.ExpectNoError(results.Starts(regular1))
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framework.ExpectNoError(results.StartsBefore(regular1, regular1))
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framework.ExpectNoError(results.ExitsBefore(regular1, regular1))
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})
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ginkgo.It("should not launch second container before PostStart of the first container completed", func() {
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regular1 := "regular-1"
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regular2 := "regular-2"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "post-start-blocks-second-container",
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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: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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Delay: 2,
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ExitCode: 0,
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}),
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Lifecycle: &v1.Lifecycle{
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PostStart: &v1.LifecycleHandler{
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Exec: &v1.ExecAction{
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Command: ExecCommand(prefixedName(PostStartPrefix, regular1), execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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},
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},
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{
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Name: regular2,
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Image: busyboxImage,
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Command: ExecCommand(regular2, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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},
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}
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preparePod(podSpec)
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client := e2epod.NewPodClient(f)
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podSpec = client.Create(context.TODO(), podSpec)
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ginkgo.By("Waiting for the pod to finish")
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err := e2epod.WaitTimeoutForPodNoLongerRunningInNamespace(context.TODO(), f.ClientSet, podSpec.Name, podSpec.Namespace, 1*time.Minute)
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framework.ExpectNoError(err)
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ginkgo.By("Parsing results")
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podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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results := parseOutput(podSpec)
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ginkgo.By("Analyzing results")
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// second container should not start before the PostStart of a first container completed
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framework.ExpectNoError(results.StartsBefore(prefixedName(PostStartPrefix, regular1), regular2))
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framework.ExpectNoError(results.ExitsBefore(prefixedName(PostStartPrefix, regular1), regular2))
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})
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ginkgo.When("have init container in a Pod with restartPolicy=Never", func() {
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ginkgo.When("an init container fails to start because of a bad image", ginkgo.Ordered, func() {
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init1 := "init1-1"
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regular1 := "regular-1"
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podSpec := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "sidecar-runs-with-pod",
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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InitContainers: []v1.Container{
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{
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Name: init1,
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Image: imageutils.GetE2EImage(imageutils.InvalidRegistryImage),
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Command: ExecCommand(init1, execCommand{
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Delay: 600,
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ExitCode: 0,
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}),
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},
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},
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Containers: []v1.Container{
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{
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Name: regular1,
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Image: busyboxImage,
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Command: ExecCommand(regular1, execCommand{
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Delay: 1,
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ExitCode: 0,
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}),
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},
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},
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},
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}
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|
|
preparePod(podSpec)
|
|
var results containerOutputList
|
|
|
|
ginkgo.It("should mark a Pod as failed and produce log", func() {
|
|
client := e2epod.NewPodClient(f)
|
|
podSpec = client.Create(context.TODO(), podSpec)
|
|
|
|
// sidecar should be in image pull backoff
|
|
err := WaitForPodInitContainerToFail(context.TODO(), f.ClientSet, podSpec.Namespace, podSpec.Name, 0, "ImagePullBackOff", f.Timeouts.PodStart)
|
|
framework.ExpectNoError(err)
|
|
|
|
podSpec, err = client.Get(context.Background(), podSpec.Name, metav1.GetOptions{})
|
|
framework.ExpectNoError(err)
|
|
results = parseOutput(podSpec)
|
|
})
|
|
ginkgo.It("should not start an init container", func() {
|
|
framework.ExpectNoError(results.DoesntStart(init1))
|
|
})
|
|
ginkgo.It("should not start a regular container", func() {
|
|
framework.ExpectNoError(results.DoesntStart(regular1))
|
|
})
|
|
})
|
|
})
|
|
|
|
})
|
|
|
|
type containerOutput struct {
|
|
// time the message was seen to the nearest second
|
|
timestamp time.Time
|
|
// time the message was seen since the host booted, to the nearest hundredth of a second
|
|
timeSinceBoot float64
|
|
containerName string
|
|
command string
|
|
}
|
|
type containerOutputList []containerOutput
|
|
|
|
func (o containerOutputList) String() string {
|
|
var b bytes.Buffer
|
|
for _, v := range o {
|
|
fmt.Fprintf(&b, "%s %f %s %s\n", v.timestamp, v.timeSinceBoot, v.containerName, v.command)
|
|
}
|
|
return b.String()
|
|
}
|
|
|
|
// RunTogether returns an error the lhs and rhs run together
|
|
func (o containerOutputList) RunTogether(lhs, rhs string) error {
|
|
lhsStart := o.findIndex(lhs, "Started", 0)
|
|
rhsStart := o.findIndex(rhs, "Started", 0)
|
|
|
|
lhsFinish := o.findIndex(lhs, "Finishing", 0)
|
|
rhsFinish := o.findIndex(rhs, "Finishing", 0)
|
|
|
|
if lhsStart == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", lhs, o)
|
|
}
|
|
if rhsStart == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", rhs, o)
|
|
}
|
|
|
|
if lhsFinish != -1 && rhsStart > lhsFinish {
|
|
return fmt.Errorf("expected %s to start before finishing %s, got %v", rhs, lhs, o)
|
|
}
|
|
|
|
if rhsFinish != -1 && lhsStart > rhsFinish {
|
|
return fmt.Errorf("expected %s to start before finishing %s, got %v", lhs, rhs, o)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// StartsBefore returns an error if lhs did not start before rhs
|
|
func (o containerOutputList) StartsBefore(lhs, rhs string) error {
|
|
lhsStart := o.findIndex(lhs, "Started", 0)
|
|
|
|
if lhsStart == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", lhs, o)
|
|
}
|
|
|
|
// this works even for the same names (restart case)
|
|
rhsStart := o.findIndex(rhs, "Starting", lhsStart+1)
|
|
|
|
if rhsStart == -1 {
|
|
return fmt.Errorf("couldn't find that %s started after %s, got %v", rhs, lhs, o)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// DoesntStartAfter returns an error if lhs started after rhs
|
|
func (o containerOutputList) DoesntStartAfter(lhs, rhs string) error {
|
|
rhsStart := o.findIndex(rhs, "Starting", 0)
|
|
|
|
if rhsStart == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", rhs, o)
|
|
}
|
|
|
|
// this works even for the same names (restart case)
|
|
lhsStart := o.findIndex(lhs, "Started", rhsStart+1)
|
|
|
|
if lhsStart != -1 {
|
|
return fmt.Errorf("expected %s to not start after %s, got %v", lhs, rhs, o)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// ExitsBefore returns an error if lhs did not end before rhs
|
|
func (o containerOutputList) ExitsBefore(lhs, rhs string) error {
|
|
lhsExit := o.findIndex(lhs, "Exiting", 0)
|
|
|
|
if lhsExit == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever exited, got %v", lhs, o)
|
|
}
|
|
|
|
// this works even for the same names (restart case)
|
|
rhsExit := o.findIndex(rhs, "Starting", lhsExit+1)
|
|
|
|
if rhsExit == -1 {
|
|
return fmt.Errorf("couldn't find that %s starting before %s exited, got %v", rhs, lhs, o)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Starts returns an error if the container was not found to have started
|
|
func (o containerOutputList) Starts(name string) error {
|
|
if idx := o.findIndex(name, "Started", 0); idx == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", name, o)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// DoesntStart returns an error if the container was found to have started
|
|
func (o containerOutputList) DoesntStart(name string) error {
|
|
if idx := o.findIndex(name, "Started", 0); idx != -1 {
|
|
return fmt.Errorf("find %s started, but didn't expect to, got %v", name, o)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Exits returns an error if the container was not found to have exited
|
|
func (o containerOutputList) Exits(name string) error {
|
|
if idx := o.findIndex(name, "Exiting", 0); idx == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever exited, got %v", name, o)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// HasRestarted returns an error if the container was not found to have restarted
|
|
func (o containerOutputList) HasRestarted(name string) error {
|
|
idx := o.findIndex(name, "Starting", 0)
|
|
if idx == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever started, got %v", name, o)
|
|
}
|
|
|
|
idx = o.findIndex(name, "Starting", idx+1)
|
|
|
|
if idx == -1 {
|
|
return fmt.Errorf("couldn't find that %s ever restarted, got %v", name, o)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o containerOutputList) findIndex(name string, command string, startIdx int) int {
|
|
for i, v := range o {
|
|
if i < startIdx {
|
|
continue
|
|
}
|
|
if v.containerName == name && v.command == command {
|
|
return i
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
// parseOutput combines the termination log from all of the init and regular containers and parses/sorts the outputs to
|
|
// produce an execution log
|
|
func parseOutput(pod *v1.Pod) containerOutputList {
|
|
// accumulate all of our statuses
|
|
var statuses []v1.ContainerStatus
|
|
statuses = append(statuses, pod.Status.InitContainerStatuses...)
|
|
statuses = append(statuses, pod.Status.ContainerStatuses...)
|
|
var buf bytes.Buffer
|
|
for _, cs := range statuses {
|
|
// If the container is terminated but the reason is ContainerStatusUnknown,
|
|
// it means that the kubelet has overwritten the termination message. Read
|
|
// the LastTerminationState instead.
|
|
if cs.State.Terminated != nil && cs.State.Terminated.Reason != "ContainerStatusUnknown" {
|
|
buf.WriteString(cs.State.Terminated.Message)
|
|
} else if cs.LastTerminationState.Terminated != nil {
|
|
buf.WriteString(cs.LastTerminationState.Terminated.Message)
|
|
}
|
|
}
|
|
|
|
// parse
|
|
sc := bufio.NewScanner(&buf)
|
|
var res containerOutputList
|
|
for sc.Scan() {
|
|
fields := strings.Fields(sc.Text())
|
|
if len(fields) < 4 {
|
|
framework.ExpectNoError(fmt.Errorf("%v should have at least length 3", fields))
|
|
}
|
|
timestamp, err := strconv.ParseInt(fields[0], 10, 64)
|
|
framework.ExpectNoError(err)
|
|
timeSinceBoot, err := strconv.ParseFloat(fields[1], 64)
|
|
framework.ExpectNoError(err)
|
|
res = append(res, containerOutput{
|
|
timestamp: time.Unix(timestamp, 0),
|
|
timeSinceBoot: timeSinceBoot,
|
|
containerName: fields[2],
|
|
command: fields[3],
|
|
})
|
|
}
|
|
|
|
// sort using the timeSinceBoot since it has more precision
|
|
sort.Slice(res, func(i, j int) bool {
|
|
return res[i].timeSinceBoot < res[j].timeSinceBoot
|
|
})
|
|
return res
|
|
}
|
|
|
|
func preparePod(pod *v1.Pod) {
|
|
var defaultResourceRequirements v1.ResourceRequirements = v1.ResourceRequirements{
|
|
Requests: v1.ResourceList{
|
|
v1.ResourceMemory: resource.MustParse("15Mi"),
|
|
},
|
|
Limits: v1.ResourceList{
|
|
v1.ResourceMemory: resource.MustParse("15Mi"),
|
|
},
|
|
}
|
|
|
|
for i := range pod.Spec.Containers {
|
|
c := &pod.Spec.Containers[i]
|
|
c.Resources = defaultResourceRequirements
|
|
c.VolumeMounts = []v1.VolumeMount{
|
|
{
|
|
Name: "persistent",
|
|
MountPath: "/persistent",
|
|
},
|
|
}
|
|
}
|
|
for i := range pod.Spec.InitContainers {
|
|
c := &pod.Spec.InitContainers[i]
|
|
c.Resources = defaultResourceRequirements
|
|
c.VolumeMounts = []v1.VolumeMount{
|
|
{
|
|
Name: "persistent",
|
|
MountPath: "/persistent",
|
|
},
|
|
}
|
|
}
|
|
|
|
pod.Spec.Volumes = []v1.Volume{
|
|
{
|
|
Name: "persistent",
|
|
VolumeSource: v1.VolumeSource{
|
|
EmptyDir: &v1.EmptyDirVolumeSource{},
|
|
},
|
|
},
|
|
}
|
|
}
|