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Bug 1906355

Summary:	must-gather may fail to collect node logs
Product:	OpenShift Container Platform	Reporter:	Francesco Romani <fromani>
Component:	Performance Addon Operator	Assignee:	Francesco Romani <fromani>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Gowrishankar Rajaiyan <grajaiya>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	4.7	CC:	kquinn, mniranja, vlaad
Target Milestone:	---
Target Release:	4.7.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	Cause: Incorrect wait in must-gather internals leads to too early termination of log gathering Consequence: Depending on timing, thus unpredictably, the log gathering operation may be interrupted prematurely, leading to partial log collection. Fix: Add correct wait in must-gather Result: Log gathering is now atomic and expected to succeed, or clear error reported.	Story Points:	---
Clone Of:
Clones:	1913675 (view as bug list)		Environment:
Last Closed:	2022-08-26 13:57:42 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:	1913675, 1913676

Description Francesco Romani 2020-12-10 11:22:31 UTC

Description of problem:
Due to a bug in the collection logic, there is a good chance that must-gather fails to collect the node logs randomly - and without a good reason.


Version-Release number of selected component (if applicable):
4.6


How reproducible:
Hard to predict, strongly related to timing. We expect this to happen pretty often


Steps to Reproduce:
1. just run the performance-addon must-gather image

Actual results:
node logs are missing with random chance (hard to predict). No error is reported if the logs are missing.

Expected results:
node logs should be collected 100% of times OR a clear error should be emitted if node logs can't be collected.

Comment 2 Denys Shchedrivyi 2021-01-12 21:38:05 UTC

verified on performance-addon-operator-must-gather-rhel8-container-v4.7.0-35