OCPBUGS-31868: allow for some errors checking namespace delete #28761
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@jluhrsen: This pull request references Jira Issue OCPBUGS-31868, which is valid. The bug has been moved to the POST state. 3 validation(s) were run on this bug
The bug has been updated to refer to the pull request using the external bug tracker. In response to this: Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository. |
| log.Errorf("Timed out after 20 minutes waiting for deleted namespace: %s, %s", w.namespaceName, err) | ||
| return err | ||
| } else { | ||
| log.Errorf("Encountered error while waiting for deleted namespace: %s, %s", w.namespaceName, err) |
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Could keep a successive error count, clear the value any time we don't get an error, bail when it gets to 10 or something just so we don't spin for 15 minutes if things are really busted..
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I realize this doesn't work after thinking about your other comment. I have a new idea coming.
| @@ -281,7 +282,6 @@ func (w *availability) namespaceDeleted(ctx context.Context) (bool, error) { | |||
| } | |||
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| if err != nil { | |||
| logrus.Errorf("Error checking for deleted namespace: %s, %s", w.namespaceName, err.Error()) | |||
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Do you mean to suppress the return false here? Looks like this just move the logging up but the comment in the jira had me thinking you wanted to keep polling.
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I suppose it would be return false, nil to keep polling but still log the error?
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I think I confused myself that a return false, err would not stop the polling. but that's actually what was already happening and how we got to this bug.
but, if we return false, nil then I'm not sure we have a way to keep polling. 🤔
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I had to go look it up earlier myself. I think by returning false, nil it will continue to process. So you could keep the log entry but return nil for the error. This doesn't accomplish my other suggestion but that was just a thought.
PollUntilContextCancel tries a condition func until it returns true, an error, or the context is cancelled or hits a deadline
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@neisw , how about something like this.
bumped the poller to 30s and then added 6 tries in the namespaceDeleted() in case it hits an error. So, if we did hit some error 6 times in a row then we log all of them and pass the last one back out to the poller which will exit and fail the test case.
| return true, nil | ||
| } | ||
| for retry := 0; retry < 6; retry++ { | ||
| _, err := w.kubeClient.CoreV1().Namespaces().Get(ctx, w.namespaceName, metav1.GetOptions{}) |
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I think being in the loop here will just hammer it 6 times in a row without a pause in between and then exit. It is the PollUntilContextTimeout that waits in between the calls.
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Well, I missed the sleep that you have but still not sure this is the best way.
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Ok, so if the error is nil we return false, nil
If the error is not nil and not IsNotFound we try up to 6 times with a 5 second sleep in between. But we still always return false, nil. So really we just try a few more times in the same call with a smaller interval when we see an non IsNotFound but ultimately keep going until we return true or timeout..
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Are you wanting to quit polling after 6 consecutive failures? Maybe preserve the error and return it at the end.
so var err error outside the loop and return false,err at the end of the function. Should only return there after the 6 tries and no IsNotFound or nil error.
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yes, that was my intention originally. I've updated it now. look ok?
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Yep I figured that was what you were going for, it just took me a couple of read throughs to get caught up...
Signed-off-by: Jamo Luhrsen <[email protected]>
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/test e2e-azure-ovn-upgrade |
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Job Failure Risk Analysis for sha: 4979bad
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/retest |
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/lgtm |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: jluhrsen, neisw The full list of commands accepted by this bot can be found here. The pull request process is described here
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@jluhrsen: Jira Issue OCPBUGS-31868: All pull requests linked via external trackers have merged: Jira Issue OCPBUGS-31868 has been moved to the MODIFIED state. In response to this: Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository. |
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[ART PR BUILD NOTIFIER] This PR has been included in build openshift-enterprise-tests-container-v4.17.0-202405040320.p0.gab28660.assembly.stream.el9 for distgit openshift-enterprise-tests. |
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Fix included in accepted release 4.16.0-0.nightly-2024-05-04-214435 |
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