Bug 1939278

Summary: Backport Avoid node disruption when kube-apiserver-to-kubelet-signer is rotated
Product: OpenShift Container Platform Reporter: Yu Qi Zhang <jerzhang>
Component: Machine Config OperatorAssignee: Yu Qi Zhang <jerzhang>
Machine Config Operator sub component: Machine Config Operator QA Contact: Michael Nguyen <mnguyen>
Status: CLOSED ERRATA Docs Contact:
Severity: urgent    
Priority: high CC: behoward, jeder, mfuruta, mkrejci, mmazur, mnguyen, oarribas, rioliu, smilner, travi, uwagh, wking
Version: 4.7Keywords: ServiceDeliveryImpact
Target Milestone: ---   
Target Release: 4.7.z   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1921894 Environment:
Last Closed: 2021-03-30 04:46:37 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1921894    
Bug Blocks:    

Comment 3 Michael Nguyen 2021-03-22 13:56:15 UTC 
Verified on 4.7.0-0.nightly-2021-03-22-025559.  Kubelet cert rotation does not cause any reboots and updates in about a minute.

$ oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.7.0-0.nightly-2021-03-22-025559   True        False         27m     Cluster version is 4.7.0-0.nightly-2021-03-22-025559
Comment 5 errata-xmlrpc 2021-03-30 04:46:37 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 (Moderate: OpenShift Container Platform 4.7.4 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-2021:0957