wtmp.1 doesn't exist
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	fgiunchedi
	Jun 5 2017, 3:54 PM

Description

Spotted on ms-be2001 running stretch and reported in Debian as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864242

/etc/cron.monthly/acct:
couldn't open file '': No such file or directory
last: cannot open : No such file or directory

Details

	Project	Branch	Lines +/-	Subject
	operations/puppet	production	+67 -0	acct: Add 2 line cron patch to mitigate cronspam
	operations/puppet	production	+71 -0	toil: mitigate monthly acct cronspam

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Related Objects
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Status	Assigned	Task
Open	None	T294906 Puppet Improvements 2021/2022
Open	jbond	T265138 Work required to prepare for puppet 6
Open	None	T273673 replace all puppet crons with systemd timers
Open	None	T132324 Tracking and Reducing cron-spam to root@
Resolved	colewhite	T167035 stretch acct monthly cron will spam when /var/log/wtmp.1 doesn't exist

Event Timeline

fgiunchedi renamed this task from acct monthly cron will spam when /var/log/wtmp.1 doesn't exist to stretch acct monthly cron will spam when /var/log/wtmp.1 doesn't exist.Jun 5 2017, 3:54 PM

fgiunchedi created this task.

fgiunchedi updated the task description. (Show Details)

• Phabricator_maintenance moved this task from Backlog to Acknowledged on the SRE board.Jan 26 2019, 9:17 PM

FYI This still happens in buster too, the Debian bug is still open.
We've 88 hosts that don't have /var/log/wtmp.1 and they spammed cronspam today.

Change 569532 had a related patch set uploaded (by Jcrespo; owner: Jcrespo):
[operations/puppet@production] acct: Add 2 line cron patch to mitigate cronspam

https://gerrit.wikimedia.org/r/569532

gerritbot added a project: Patch-For-Review.Feb 3 2020, 11:04 AM

Change 593750 had a related patch set uploaded (by Cwhite; owner: Cwhite):
[operations/puppet@production] toil: mitigate monthly acct cronspam

https://gerrit.wikimedia.org/r/593750

TerraCodes removed a subscriber: TerraCodes.May 1 2020, 6:37 PM

Change 593750 merged by Cwhite:
[operations/puppet@production] toil: mitigate monthly acct cronspam

https://gerrit.wikimedia.org/r/593750