Bug 1873961

Summary: [CI test code fix] Improve diagnosability of API disruption in CI
Product: OpenShift Container Platform Reporter: Stefan Schimanski <sttts>
Component: kube-apiserverAssignee: Stefan Schimanski <sttts>
Status: CLOSED ERRATA QA Contact: Ke Wang <kewang>
Severity: high Docs Contact:
Priority: high    
Version: 4.6CC: aos-bugs, mfojtik, wking, xxia
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Target Release: 4.6.0   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2020-10-27 16:36:11 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1845411    

Description Stefan Schimanski 2020-08-31 08:10:43 UTC
Description of problem:

It is hard in CI to diagnose why the API is disrupted, especially during upgrades. 

In addition, we don't notice regressions in API stability during development.

Comment 3 Ke Wang 2020-09-07 06:17:13 UTC
The related tests worked and run passed, see testgrid reports and latest test logs as below:

https://testgrid.k8s.io/redhat-openshift-ocp-release-4.6-blocking#release-openshift-ocp-installer-e2e-aws-4.6&sort-by-flakiness

https://storage.googleapis.com/origin-ci-test/logs/release-openshift-ocp-installer-e2e-aws-4.6/1302789846456078336/artifacts/e2e-aws/e2e.log
...
started: (1/2411/2414) "[sig-api-machinery][Feature:APIServer][Late] kubelet terminates kube-apiserver gracefully [Suite:openshift/conformance/parallel]"
...
started: (1/2414/2414) "[sig-api-machinery][Feature:APIServer][Late] API LBs follow /readyz of kube-apiserver and stop sending requests [Suite:openshift/conformance/parallel]"

passed: (19.2s) 2020-09-07T03:08:03 "[sig-api-machinery][Feature:APIServer][Late] kubelet terminates kube-apiserver gracefully [Suite:openshift/conformance/parallel]"

passed: (19.2s) 2020-09-07T03:08:03 "[sig-api-machinery][Feature:APIServer][Late] API LBs follow /readyz of kube-apiserver and stop sending requests [Suite:openshift/conformance/parallel]"
...

Comment 5 errata-xmlrpc 2020-10-27 16:36:11 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:4196