it very much looks like a logrotate issue.
David Lang
On Tue, 14 Nov 2023, Dimi Onobodies via rsyslog wrote:
So I added "-v" option on the cronjob and redirected output to a file. I
observed the following:
considering log /data/servers/rsyslog/ldap-access.log
log needs rotating
rotating log /data/logs/apache.log, log->rotateCount is 4
dateext suffix '-20231114'
glob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'
glob finding old rotated logs failed
rotating log /data/logs/maillog, log->rotateCount is 4
dateext suffix '-20231114'
glob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'
destination /data/logs/maillog-20231114.gz already exists, skipping rotation
All templated syslog files get "glob finding old rotated logs failed". Thing
is, I can see the file present in the filesystem:
# ls /data/logs/apache.log-20231114
/data/logs/apache.log-20231114
However, when I tried to view the logrotate file I noticed that it has
different output:
"considering log /data/logs/apache.log
log does not need rotating (log has been rotated at 2023-11-14 0:1, that is not day
ago yet)"
Its like logrotate was executed again. Also, there are two logrotate messages
in system log
# grep ALERT /var/log/messages
2023-11-14T01:01:06.664171-08:00 ALERT exited abnormally with [1]
2023-11-14T01:24:56.322123-08:00 ALERT exited abnormally with [1]
One more thing I noticed when i sshed on the system was that gzip was running:
# stat /data/logs/logrotate_debug.txt
File: ‘/data/servers/logrotate_debug.txt’
Size: 14410 Blocks: 32 IO Block: 4096 regular file
Device: 810h/2064d Inode: 36438030 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2023-11-13 07:26:25.868304144 -0800
Modify: 2023-11-14 01:01:06.616954323 -0800
Change: 2023-11-14 01:01:06.616954323 -0800
Birth: -
# ps -ef|grep gz
root 1313 17221 97 00:45 ? 00:19:29 /bin/gzip
root 3849 1392 0 01:05 pts/1 00:00:00 grep --color=auto gz
# ps -ef|grep 17221
root 1313 17221 97 00:45 ? 00:19:46 /bin/gzip
root 4108 1392 0 01:05 pts/1 00:00:00 grep --color=auto 17221
root 17221 17219 0 00:01 ? 00:00:05 /usr/sbin/logrotate -v -s
/var/lib/logrotate.status /etc/logrotate.conf
# ps -ef|grep logrotate
root 4750 1392 0 01:06 pts/1 00:00:00 grep --color=auto logrotate
root 17219 17197 0 00:01 ? 00:00:00 /bin/sh
/etc/cron.hourly/logrotate
root 17220 17197 0 00:01 ? 00:00:00 awk -v progname=/etc/cron.hourly/logrotate progname
{ ???? print progname ":\n" ???? progname=""; ??? } ??? {
print; }
root 17221 17219 0 00:01 ? 00:00:05 /usr/sbin/logrotate -v -s
/var/lib/logrotate.status /etc/logrotate.conf
Still cannot pinpoint if this is a rsyslog, logrotate, gzip issue. I dont get
it why this is happening only on logs generated with template configuration
directives.
D.
________________________________
From: rsyslog <rsyslog-boun...@lists.adiscon.com> on behalf of Mariusz Kruk via
rsyslog <rsyslog@lists.adiscon.com>
Sent: Monday, November 13, 2023 1:32 PM
To: rsyslog@lists.adiscon.com <rsyslog@lists.adiscon.com>
Cc: Mariusz Kruk <k...@epsilon.eu.org>
Subject: Re: [rsyslog] logrotate wont compress-rotate syslog templated files
If the logrotate daily invocation already happened today, it won't
consider the files "rotate-worthy" before next day.
So you might either add "-v" to the cron job so that it will tell you
verbosely what/why it does on the next "proper" run. Or do "-f -d".
MK
On 13.11.2023 14:13, Dimi Onobodies via rsyslog wrote:
Hi Maiusz
Forgot to add that in my description. I already tried that and i didnt see any
error reporte from logrotate:
* logrotate -d -v -s /var/lib/logrotate.status /etc/logrotate.conf
considering log /data/logs/apache.log
log does not need rotating (log has been already rotated)
I am thinking to force (-f) rotation and see if this will show anything
________________________________
From: rsyslog <rsyslog-boun...@lists.adiscon.com> on behalf of Mariusz Kruk via
rsyslog <rsyslog@lists.adiscon.com>
Sent: Monday, November 13, 2023 9:13 AM
To: rsyslog@lists.adiscon.com <rsyslog@lists.adiscon.com>
Cc: Mariusz Kruk <k...@epsilon.eu.org>
Subject: Re: [rsyslog] logrotate wont compress-rotate syslog templated files
First and foremost, you should check what and why logrotate does when
rotating files (the -v and - d options for logrotate). That will tell
you what is actually happening when the rotation should occur.
On 13.11.2023 09:57, Dimi Onobodies via rsyslog wrote:
Hi, I am facing a weird logrotate issue in my central syslog system (receiving
logs from various host via imtcp). Logrotate does not compress syslog templated
log files. It does compress and rotates other log files generated by rsyslog,
but not the ones generated using a template.
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