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e2e node: fix kubelet service restart failure

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Under e2e tests possible the situation when we restart the kubelet
number of times in the short time frame. When it happens the systemd
can fail the service restart with the `Failed with result 'start-limit-hit'.`
error.

To avoid this situation the code will reset the kubelet service start failures
on each call to the kubelet restart command.

Signed-off-by: Artyom Lukianov <alukiano@redhat.com>
This commit is contained in:
Artyom Lukianov 2020-07-22 13:21:42 +03:00
parent ff33efc164
commit ab7acb9ee3
1 changed files with 5 additions and 1 deletions
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6
test/e2e_node/util.go
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@ -387,7 +387,11 @@ func findRunningKubletServiceName() string {
func restartKubelet() {
kubeletServiceName := findRunningKubletServiceName()
stdout, err := exec.Command("sudo", "systemctl", "restart", kubeletServiceName).CombinedOutput()
// reset the kubelet service start-limit-hit
stdout, err := exec.Command("sudo", "systemctl", "reset-failed", kubeletServiceName).CombinedOutput()
framework.ExpectNoError(err, "Failed to reset kubelet start-limit-hit with systemctl: %v, %v", err, stdout)
stdout, err = exec.Command("sudo", "systemctl", "restart", kubeletServiceName).CombinedOutput()
framework.ExpectNoError(err, "Failed to restart kubelet with systemctl: %v, %v", err, stdout)
}