check_mailq v2.1.1 - bug with nullmailer - always empty mailqueue

[Szensny Jan]

Hello,

we found a possible bug in the check_mailq plugin
while checking the mailq of nullmailer.
In our case the mailqueue has had multiple mails in queue, but the plugin gave us an OK with 0 Mails in queue.

By checking the source we recognized, that the regexp seems to be outdated.
In our version of the script the regexp requires two spaces between the timestamp and the byte size. And second it requires the string to end after "bytes"
So we just replaced the "require 2 spaces" (\s{2})  by "require minimum one space" (\s+)
and removed the trailing "end of string/line" ($)

Original RegExp in Line 525:
/^[1-9][0-9]*-[01][0-9]-[0-3][0-9]\s[0-2][0-9]\:[0-5][0-9]\:[0-5][0-9]\s{2}[0-9]+\sbytes$/

Fixed RegExp in Line 525:
/^[1-9][0-9]*-[01][0-9]-[0-3][0-9]\s[0-2][0-9]\:[0-5][0-9]\:[0-5][0-9]\s+[0-9]+\sbytes/


Version: check_mailq v2.1.1 (monitoring-plugins 2.1.1)
installed from official Debian-apt-repo
OS: Debian jessie

Additional-Info:
Mailer:  Nullmailer
Version: 1:1.13-1+deb8u1
installed from official Debian-apt-repo
OS: Debian jessie

We hope this information can help to improve this check.
Perhaps it's already fixed in a newer version of the monitoring-plugins, but not provided by debian-releases yet.

Thank you very much!
If we can provide further information please contact us.

Greetings,


Mit freundlichen Grüßen

Jan Szensny
Datacenter Engineer

ACP IT Solutions AG
Heidenkampsweg 100
20097 Hamburg
Tel. +49 40 8090776 20
Fax +49 40 8221686 85

E-Mail  jan.szensny at acp.de
http://www.acp.de


ACP IT Solutions AG, Im Dörener Feld 8, D-33100 Paderborn, Vorstand: Dirk Waltje, Philipp Stute, Olaf Mende; Aufsichtsratsvorsitzender: Günther Schiller, Registergericht: Paderborn HRB 3734
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