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e2e: add ability to run command inside specified container

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Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever 2021-03-05 15:57:35 +05:30 committed by mergify[bot]
parent 695ec6dffe
commit 7334c3b783
1 changed files with 42 additions and 7 deletions
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49
e2e/pod.go
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@ -105,17 +105,40 @@ func waitForDeploymentComplete(name, ns string, c kubernetes.Interface, t int) e
return nil
}
func getCommandInPodOpts(f *framework.Framework, c, ns string, opt *metav1.ListOptions) (framework.ExecOptions, error) {
func findPodAndContainerName(f *framework.Framework, ns, cn string, opt *metav1.ListOptions) (string, string, error) {
podList, err := f.PodClientNS(ns).List(context.TODO(), *opt)
if err != nil {
return "", "", err
}
if len(podList.Items) == 0 {
return "", "", errors.New("podlist is empty")
}
if cn != "" {
for i := range podList.Items {
for j := range podList.Items[i].Spec.Containers {
if podList.Items[i].Spec.Containers[j].Name == cn {
return podList.Items[i].Name, cn, nil
}
}
}
return "", "", errors.New("container name not found")
}
return podList.Items[0].Name, podList.Items[0].Spec.Containers[0].Name, nil
}
func getCommandInPodOpts(f *framework.Framework, c, ns, cn string, opt *metav1.ListOptions) (framework.ExecOptions, error) {
cmd := []string{"/bin/sh", "-c", c}
pods, err := listPods(f, ns, opt)
pName, cName, err := findPodAndContainerName(f, ns, cn, opt)
if err != nil {
return framework.ExecOptions{}, err
}
return framework.ExecOptions{
Command: cmd,
PodName: pods[0].Name,
PodName: pName,
Namespace: ns,
ContainerName: pods[0].Spec.Containers[0].Name,
ContainerName: cName,
Stdin: nil,
CaptureStdout: true,
CaptureStderr: true,
@ -170,7 +193,19 @@ func listPods(f *framework.Framework, ns string, opt *metav1.ListOptions) ([]v1.
}
func execCommandInPod(f *framework.Framework, c, ns string, opt *metav1.ListOptions) (string, string, error) {
podOpt, err := getCommandInPodOpts(f, c, ns, opt)
podOpt, err := getCommandInPodOpts(f, c, ns, "", opt)
if err != nil {
return "", "", err
}
stdOut, stdErr, err := f.ExecWithOptions(podOpt)
if stdErr != "" {
e2elog.Logf("stdErr occurred: %v", stdErr)
}
return stdOut, stdErr, err
}
func execCommandInContainer(f *framework.Framework, c, ns, cn string, opt *metav1.ListOptions) (string, string, error) {
podOpt, err := getCommandInPodOpts(f, c, ns, cn, opt)
if err != nil {
return "", "", err
}
@ -185,7 +220,7 @@ func execCommandInToolBoxPod(f *framework.Framework, c, ns string) (string, stri
opt := &metav1.ListOptions{
LabelSelector: rookToolBoxPodLabel,
}
podOpt, err := getCommandInPodOpts(f, c, ns, opt)
podOpt, err := getCommandInPodOpts(f, c, ns, "", opt)
if err != nil {
return "", "", err
}
@ -197,7 +232,7 @@ func execCommandInToolBoxPod(f *framework.Framework, c, ns string) (string, stri
}
func execCommandInPodAndAllowFail(f *framework.Framework, c, ns string, opt *metav1.ListOptions) (string, string) {
podOpt, err := getCommandInPodOpts(f, c, ns, opt)
podOpt, err := getCommandInPodOpts(f, c, ns, "", opt)
if err != nil {
return "", err.Error()
}