** Description changed:
[Impact]
Postfix backwards-compatibility notices aren't handled by logwatch, and
thus end up in the "Unmatched Entries" section, one per event. These
informational messages clutters up the logwatch reports unnecessarily.
[Test Case]
$ export CODENAME="focal"
$ lxc launch ubuntu:${CODENAME} test-logwatch
$ lxc exec test-logwatch -- bash
# apt-get update
# apt-get dist-upgrade -y
+ # apt-get install -y postfix
# apt-get install -y logwatch
# wget
https://bugs.launchpad.net/ubuntu/+source/logwatch/+bug/1583705/+attachment/5407064/+files/unmatched-entries-postfix%3Amail.log
- # cat unmatched-entries-postfix%3Amail.log >> /var/log/mail.log
+ # cat unmatched-entries-postfix:mail.log >> /var/log/mail.log
# logwatch --detail High --service all --range all --output stdout
Without the fix, there will be unmatched entries regarding backwards-
compatibility; with the fix there will be a simpler notice that Postfix
is running in backwards compatible mode.
(Note: For testing it's not really necessary to trigger the original
condition that produces the log entry, since for Logwatch the purpose is
more about making sure the entry is detected and processed
appropriately.)
[Regression Potential]
Since logwatch filters logs for errors pertinent to administrators,
standard things to watch out for are undesired changes in this filtering
behavior, such as flagging or failing to flag issues differently than
before, other than the specific messages being filtered with this
change.
-
[Original Report]
Under the "Postfix" heading, the following lines appear as unmatched:
**Unmatched Entries**
1 May 18 16:58:35 Hostname postfix[4027]: Postfix is running with
backwards-compatible default settings
1 May 18 16:58:35 Hostname postfix[4027]: To disable backwards
compatibility use "postconf compatibility_level=2" and "postfix reload"
1 May 18 16:58:35 Hostname postfix[4027]: See
http://www.postfix.org/COMPATIBILITY_README.html for details
1 May 18 16:57:12 Hostname postgrey[2173]: Resolved [localhost]:10023
to [127.0.0.1]:10023, IPv4
-----------------------------------------------------------------
Description: Ubuntu 16.04 LTS
Release: 16.04
logwatch:
Installed: 7.4.2-1ubuntu1
Candidate: 7.4.2-1ubuntu1
Version table:
*** 7.4.2-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
100 /var/lib/dpkg/status
postfix:
Installed: 3.1.0-3
Candidate: 3.1.0-3
Version table:
*** 3.1.0-3 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
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https://bugs.launchpad.net/bugs/1583705
Title:
[SRU] unmatched entries for postfix
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