Bug 1778072

Summary: Error flooded from scheduler pod: Failed to list *v1.ConfigMap: configmaps "extension-apiserver-authentication" is forbidden: User "system:kube-scheduler" cannot list resource "configmaps" in API group "" in the namespace "kube-system"
Product: OpenShift Container Platform Reporter: zhou ying <yinzhou>
Component: kube-schedulerAssignee: Maciej Szulik <maszulik>
Status: CLOSED ERRATA QA Contact: ge liu <geliu>
Severity: medium Docs Contact:
Priority: medium    
Version: 4.3.0CC: aos-bugs, mfojtik, mifiedle, nagrawal, tnozicka
Target Milestone: ---   
Target Release: 4.4.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-05-04 11:17:52 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:
Bug Depends On:    
Bug Blocks: 1790481    

Description zhou ying 2019-11-29 08:33:22 UTC 
Description of problem:
Too many error from scheduler pod :Failed to list *v1.ConfigMap: configmaps "extension-apiserver-authentication" is forbidden: User "system:kube-scheduler" cannot list resource "configmaps" in API group "" in the namespace "kube-system"


Version-Release number of selected component (if applicable):
4.3.0-0.nightly-2019-11-28-004553


How reproducible:
Always

Steps to Reproduce:
1. Check logs from openshift-kube-scheduler pod.
`oc logs -f po/openshift-kube-scheduler-ip-10-0-55-254.ap-northeast-1.compute.internal`

Actual results:
1. Too many errors from the pod:
E1129 08:09:42.181496       1 reflector.go:123] k8s.io/apiserver/pkg/server/dynamiccertificates/configmap_cafile_content.go:209: Failed to list *v1.ConfigMap: configmaps "extension-apiserver-authentication" is forbidden: User "system:kube-scheduler" cannot list resource "configmaps" in API group "" in the namespace "kube-system"
E1129 08:09:42.411249       1 reflector.go:123] k8s.io/apiserver/pkg/server/dynamiccertificates/configmap_cafile_content.go:209: Failed to list *v1.ConfigMap: configmaps "extension-apiserver-authentication" is forbidden: User "system:kube-scheduler" cannot list resource "configmaps" in API group "" in the namespace "kube-system"

Expected results:
No such error.

Additional info:
Comment 2 Maciej Szulik 2019-12-11 13:25:59 UTC 
*** Bug 1769931 has been marked as a duplicate of this bug. ***
Comment 3 Tomáš Nožička 2020-01-14 09:01:25 UTC 
It got fixed on 4.4 with the rebase. QA pls verify this so we can ship a backport in https://bugzilla.redhat.com/show_bug.cgi?id=1790481
Comment 4 zhou ying 2020-01-15 09:39:26 UTC 
Confirmed with the payload: 4.4.0-0.nightly-2020-01-14-135405, can't reproduce the issue now:

[root@dhcp-140-138 ~]# oc get clusterversion 
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.4.0-0.nightly-2020-01-14-135405   True        False         67m     Cluster version is 4.4.0-0.nightly-2020-01-14-135405
Comment 6 errata-xmlrpc 2020-05-04 11:17:52 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, 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-2020:0581