GNU bug report logs - #30649
shepherd services with #:log-file overwrite their log file

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: Andreas Enge <andreas <at> enge.fr>, 30649 <at> debbugs.gnu.org
Subject: bug#30649: Cuirass service does not rotate its logs
Date: Thu, 01 Mar 2018 17:35:09 +0100

Danny Milosavljevic <dannym <at> scratchpost.org> skribis:

> Hi Andreas,
>
> On Wed, 28 Feb 2018 15:50:39 +0100
> Andreas Enge <andreas <at> enge.fr> wrote:
>
>> $ ll /var/log/c*
>> -rw-r--r-- 1 root root 2003521 Feb 28 15:38 /var/log/cuirass.log
>> 
>> I am sure this 2MB file was about 14MB big this morning, and indeed
>> any information dating from before this morning, when I rebooted the
>> machine and thus restarted the service, has gone.
>> 
>> Notice also that there are no numbered files cuirass.log.1 etc..
>
> The simplest and best way to fix that is to make cuirass use syslog.
>
> Not every program has to have its own private logging implementation,
> log rotator, log filterting, log rate limiter, kitchen sink etc.
>
> src/cuirass/logging.scm is prepared somewhat for this possiblity[2], but it
> doesn't yet log to syslog.
>
> There are guile syslog bindings[1] and we should use them and then apply a
> two-line patch to src/cuirass/logging.scm .

Indeed.  I wonder why we don’t have a Gamma package yet!

Ludo’.

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