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Bug 1685960

Summary:	Critical daemonsets are created without an empty toleration
Product:	OpenShift Container Platform	Reporter:	Juan Luis de Sousa-Valadas <jdesousa>
Component:	Installer	Assignee:	Vadim Rutkovsky <vrutkovs>
Status:	CLOSED DUPLICATE	QA Contact:	Johnny Liu <jialiu>
Severity:	high	Docs Contact:
Priority:	high
Version:	3.10.0	CC:	aos-bugs, jokerman, mmccomas
Target Milestone:	---
Target Release:	3.10.z
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:	2019-03-06 13:33:35 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 Juan Luis de Sousa-Valadas 2019-03-06 12:01:57 UTC

Description of problem:
Critical daemonsets don't have a tolerate everything toleration which looks like this:
~~~
tolerations:
  - operator: "Exists"
~~~

This includes the sdn, ovs daemonsets in the openshift-sdn project, the sync daemonset in the openshift-node project and the fluentd daemonset in the logging project.


Version-Release number of the following components:
All 3.10 branch

How reproducible:
Always

Steps to Reproduce:
1. oc taint node <node name> ataint=tainted:NoSchedule
 
Actual results:
Node is tainted, critical pods won't run

Expected results:
All critical daemonsets run on every node

Additional info:
https://bugzilla.redhat.com/show_bug.cgi?id=1635462 - openshift-sdn fixed in 3.11
https://bugzilla.redhat.com/show_bug.cgi?id=1635804 - openshift-sync pod fixed in 3.11

Comment 1 Juan Luis de Sousa-Valadas 2019-03-06 12:15:40 UTC

3.11  bug for fluentd ds https://bugzilla.redhat.com/show_bug.cgi?id=1685970

Comment 2 Scott Dodson 2019-03-06 13:29:31 UTC

Thanks, I know we added this toleration to control plane pods and I think we discussed adding them to SDN and others. I'll see if I can find the outcome of that discussion.

Comment 3 Scott Dodson 2019-03-06 13:31:37 UTC

https://github.com/openshift/openshift-ansible/pull/11309

Comment 4 Scott Dodson 2019-03-06 13:33:35 UTC


*** This bug has been marked as a duplicate of bug 1685952 ***