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Merge pull request #62853 from tony612/fix-resultRun-reset 

Automatic merge from submit-queue (batch tested with PRs 62655, 61711, 59122, 62853, 62390). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

reset resultRun to 0 on pod restart

**What this PR does / why we need it**:

The resultRun should be reset to 0 on pod restart, so that resultRun on the first failure of the new container will be 1, which is correct. Otherwise, the actual FailureThreshold after restarting will be `FailureThreshold - 1`.

**Which issue(s) this PR fixes**:

This PR is related to https://github.com/kubernetes/kubernetes/issues/53530. https://github.com/kubernetes/kubernetes/pull/46371 fixed that issue but there's still a little problem like what I said above.

**Special notes for your reviewer**:

**Release note**:
```release-note
fix resultRun by resetting it to 0 on pod restart
```
pull/8/head
Kubernetes Submit Queue 2018-04-24 13:28:25 -07:00 committed by GitHub
parent f388fcb229 b49e07846f
commit f68d10cfe4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 6 deletions
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2
pkg/kubelet/prober/worker.go
View File

@ -240,7 +240,7 @@ func (w *worker) doProbe() (keepGoing bool) {
// chance of hitting #21751, where running `docker exec` when a // chance of hitting #21751, where running `docker exec` when a
// container is being stopped may lead to corrupted container state. // container is being stopped may lead to corrupted container state.
w.onHold = true w.onHold = true
w.resultRun = 1 w.resultRun = 0
} }
return true return true

10
pkg/kubelet/prober/worker_test.go
View File

@ -352,7 +352,7 @@ func TestResultRunOnLivenessCheckFailure(t *testing.T) {
expectContinue(t, w, w.doProbe(), msg) expectContinue(t, w, w.doProbe(), msg)
expectResult(t, w, results.Success, msg) expectResult(t, w, results.Success, msg)
if w.resultRun != 1 { if w.resultRun != 1 {
t.Errorf("Prober resultRun should 1") t.Errorf("Prober resultRun should be 1")
} }
m.prober.exec = fakeExecProber{probe.Failure, nil} m.prober.exec = fakeExecProber{probe.Failure, nil}
@ -360,7 +360,7 @@ func TestResultRunOnLivenessCheckFailure(t *testing.T) {
expectContinue(t, w, w.doProbe(), msg) expectContinue(t, w, w.doProbe(), msg)
expectResult(t, w, results.Success, msg) expectResult(t, w, results.Success, msg)
if w.resultRun != 1 { if w.resultRun != 1 {
t.Errorf("Prober resultRun should 1") t.Errorf("Prober resultRun should be 1")
} }
m.prober.exec = fakeExecProber{probe.Failure, nil} m.prober.exec = fakeExecProber{probe.Failure, nil}
@ -372,13 +372,13 @@ func TestResultRunOnLivenessCheckFailure(t *testing.T) {
} }
// Exceeding FailureThreshold should cause resultRun to // Exceeding FailureThreshold should cause resultRun to
// reset to 1 so that the probe on the restarted pod // reset to 0 so that the probe on the restarted pod
// also gets FailureThreshold attempts to succeed. // also gets FailureThreshold attempts to succeed.
m.prober.exec = fakeExecProber{probe.Failure, nil} m.prober.exec = fakeExecProber{probe.Failure, nil}
msg = "3rd probe failure, result failure" msg = "3rd probe failure, result failure"
expectContinue(t, w, w.doProbe(), msg) expectContinue(t, w, w.doProbe(), msg)
expectResult(t, w, results.Failure, msg) expectResult(t, w, results.Failure, msg)
if w.resultRun != 1 { if w.resultRun != 0 {
t.Errorf("Prober resultRun should be reset to 1") t.Errorf("Prober resultRun should be reset to 0")
} }
} }