Bug 1949956
Summary: | kaso: add minreadyseconds to ensure we don't have an LB outage on kas | ||
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Product: | OpenShift Container Platform | Reporter: | Lukasz Szaszkiewicz <lszaszki> |
Component: | kube-apiserver | Assignee: | Lukasz Szaszkiewicz <lszaszki> |
Status: | CLOSED ERRATA | QA Contact: | Xingxing Xia <xxia> |
Severity: | high | Docs Contact: | |
Priority: | unspecified | ||
Version: | 4.8 | CC: | aos-bugs, kewang, mfojtik, xxia |
Target Milestone: | --- | ||
Target Release: | 4.8.0 | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2021-07-27 23:00:58 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
Lukasz Szaszkiewicz
2021-04-15 13:26:48 UTC
Tested in 4.8.0-0.nightly-2021-05-21-233425 env: $ oc get po -l apiserver --no-headers -L revision kube-apiserver-ip-10-0-159-135.us-east-2.compute.internal 5/5 Running 0 24m 10 kube-apiserver-ip-10-0-179-166.us-east-2.compute.internal 5/5 Running 0 32m 10 kube-apiserver-ip-10-0-222-145.us-east-2.compute.internal 5/5 Running 0 39m 10 $ N=10 $ INSTALLER_PODS=`oc get po -l app=installer --no-headers -o name | grep "installer-$N" | grep -o '[^/]*$'` $ KAS_PODS=`oc get po -l apiserver --no-headers -o name | grep -o '[^/]*$'` Check pod ready timestamp $ oc get po $KAS_PODS -o jsonpath='{range .items[*]}{.metadata.name}{" "}{.status.conditions[?(@.type=="Ready")].lastTransitionTime}{"\n"}{end}' > pods Check installer pod creation timestamp $ oc get po $INSTALLER_PODS -o jsonpath='{range .items[*]}{.metadata.name}{" "}{.metadata.creationTimestamp}{"\n"}{end}' >> pods $ sort -k 2 pods installer-10-ip-10-0-222-145.us-east-2.compute.internal 2021-05-24T12:56:18Z kube-apiserver-ip-10-0-222-145.us-east-2.compute.internal 2021-05-24T13:02:28Z installer-10-ip-10-0-179-166.us-east-2.compute.internal 2021-05-24T13:03:24Z # new installer pod creation is more than 30s after the ready timestamp of last kube-apiserver instance pod kube-apiserver-ip-10-0-179-166.us-east-2.compute.internal 2021-05-24T13:09:44Z installer-10-ip-10-0-159-135.us-east-2.compute.internal 2021-05-24T13:10:36Z # new installer pod creation is more than 30s after the ready timestamp of last kube-apiserver instance pod kube-apiserver-ip-10-0-159-135.us-east-2.compute.internal 2021-05-24T13:16:36Z 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 (Moderate: OpenShift Container Platform 4.8.2 bug fix and security update), 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/RHSA-2021:2438 |