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Bug 1803739

Summary:	Improve NodeControllerDegraded condition messages
Product:	OpenShift Container Platform	Reporter:	Michal Fojtik <mfojtik>
Component:	kube-scheduler	Assignee:	Michal Fojtik <mfojtik>
Status:	CLOSED ERRATA	QA Contact:	RamaKasturi <knarra>
Severity:	high	Docs Contact:
Priority:	high
Version:	4.4	CC:	aos-bugs, mfojtik
Target Milestone:	---
Target Release:	4.4.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Enhancement
Doc Text:	Feature: Improve NodeControllerDegraded operator condition messages to include the proper reason why the nodes are considered not ready. Reason: In past, when the node controller see unready node, it only reports that fact, without giving any details of why they are degraded. Result: With this change, the detailed message is include per node, describing the reason why are they degraded (networking, disk pressure, etc.)	Story Points:	---
Clone Of:
Clones:	1803742 (view as bug list)		Environment:
Last Closed:	2020-05-13 21:58:07 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:	1774212, 1803742, 1803744, 1809296

Description Michal Fojtik 2020-02-17 10:53:22 UTC

Description of problem:

We see a lot of clusters via Telemetry reporting static pod operators degraded with reason: "NodeControllerDegraded: The master node(s) "name" not ready".

This condition prevents rolling upgrades for those clusters and further debugging is required to determine the real reason of why the masters are not ready.

In 4.4, we merged https://github.com/openshift/library-go/pull/660 that fixes this message to include last transition time, reason and message directly from the Node object. This message is now reported instead of just "not ready".


Steps to Reproduce:
1. Make "master" node report NotReady
2. Wait for the NodeControllerDegraded condition to appear for the operator
3. Check the message to now include detailed reason.

Actual results:


Expected results:


Additional info:

Comment 7 errata-xmlrpc 2020-05-13 21:58:07 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