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always use the last entry in the pidof command as that is the oldest

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This commit is contained in:
Kevin Hannon 2024-09-19 15:24:11 -04:00
parent be8ea98a5c
commit 9b6ef250fc
1 changed files with 7 additions and 3 deletions
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10
test/e2e/node/mount_propagation.go
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@ -191,9 +191,13 @@ var _ = SIGDescribe("Mount propagation", func() {
cmd = "pidof kubelet"
kubeletPid, err := hostExec.IssueCommandWithResult(ctx, cmd, node)
framework.ExpectNoError(err, "Checking kubelet pid")
kubeletPid = strings.TrimSuffix(kubeletPid, "\n")
gomega.Expect(strings.Count(kubeletPid, " ")).To(gomega.Equal(0), "kubelet should only have a single PID in the system (pidof returned %q)", kubeletPid)
enterKubeletMountNS := fmt.Sprintf("nsenter -t %s -m", kubeletPid)
framework.Logf("pidof kubelet returns %s", kubeletPid)
// In rare cases in the CI, we are seeing two pids for kubelet.
// We did some investigating and the last entry of this list is the one that we want
// Higher pids are more likely to be created after the first one
kubeletPids := strings.Split(strings.TrimSuffix(kubeletPid, "\n"), " ")
enterKubeletMountNS := fmt.Sprintf("nsenter -t %s -m", kubeletPids[len(kubeletPids)-1])
framework.Logf(enterKubeletMountNS)
// Check that the master and host mounts are propagated to the container runtime's mount namespace
for _, mountName := range []string{"host", master.Name} {