Add robustness test on 3.6, 3,5 and 3.4

[ahrtr]

Adding the periodically robustness test against 3.4-3.6 to verify the etcd-io/etcd#20001. Once the PR gets merged, we can remove them.

cc @ivanvc @jmhbnz

[ahrtr]

/test pull-test-infra-unit-test-race-detector-nonblocking

[ivanvc]

Question, @ahrtr. The description (and job prefix) refer to a periodic job, but you added the jobs to the presubmits. Is this a mistake? Or do we want them as presubmits (I'm trying to follow up what led to this pull request, but a lot of things happened since last week and still trying to catch up).

[ahrtr]

@ivanvc

We removed all experimental flags in etcd-io/etcd#19959, it makes the main branch much cleaner. But it also breaks the robustness test against release-3.4 and 3.5. So I am trying to fix it in etcd-io/etcd#20001. But the problem is the robustness-test-3.[4-5] are periodically workflows, which can't be verified immediately.

So I temporarily add them presubmits in this PR. Once we finish the etcd-io/etcd#20001, we will revert this PR.

[ahrtr]

/hold

Let me cancel hold after I resolved the e2e workflow failures in etcd-io/etcd#20001. This doesn't block others to approve this PR.

[ivanvc]

I forgot about this pull request. Thanks for the explanation, @ahrtr. I think the jobs' name (having the ci prefix) may be misleading. It would be better to have it as a pull, like the rest of the presubmits. Feel free to remove the hold if we want to have them running sooner rather than later running.

/hold
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, ivanvc

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• config/jobs/etcd/OWNERS [ahrtr,ivanvc]

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[ahrtr]

/hold cancel

Let's verify the workflow now, thx

[k8s-ci-robot]

@ahrtr: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key etcd-presubmits.yaml using file config/jobs/etcd/etcd-presubmits.yaml

Details

In response to this:

Adding the periodically robustness test against 3.4-3.6 to verify the etcd-io/etcd#20001. Once the PR gets merged, we can remove them.

cc @ivanvc @jmhbnz

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