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Use fsync instead of sync for test

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sync sometimes hangs with misbehaving NFS during the tests

Signed-off-by: Mrunal Patel <mpatel@redhat.com>
This commit is contained in:
Mrunal Patel 2018-10-12 11:56:42 -07:00
parent c75d772ce9
commit 6327c7403b
2 changed files with 2 additions and 2 deletions
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2
test/e2e/apps/statefulset.go
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@ -113,7 +113,7 @@ var _ = SIGDescribe("StatefulSet", func() {
By("Verifying statefulset set proper service name")
framework.ExpectNoError(sst.CheckServiceName(ss, headlessSvcName))
cmd := "echo $(hostname) > /data/hostname; sync;"
cmd := "echo $(hostname) | dd of=/data/hostname conv=fsync"
By("Running " + cmd + " in all stateful pods")
framework.ExpectNoError(sst.ExecInStatefulPods(ss, cmd))

2
test/e2e/framework/statefulset_utils.go
View File

@ -599,7 +599,7 @@ func (s *StatefulSetTester) ResumeNextPod(ss *apps.StatefulSet) {
if resumedPod != "" {
Failf("Found multiple paused stateful pods: %v and %v", pod.Name, resumedPod)
}
_, err := RunHostCmdWithRetries(pod.Namespace, pod.Name, "touch /data/statefulset-continue; sync", StatefulSetPoll, StatefulPodTimeout)
_, err := RunHostCmdWithRetries(pod.Namespace, pod.Name, "dd if=/dev/zero of=/data/statefulset-continue bs=1 count=1 conv=fsync", StatefulSetPoll, StatefulPodTimeout)
ExpectNoError(err)
Logf("Resumed pod %v", pod.Name)
resumedPod = pod.Name