bug#62163: closed (Suppress logging shepherd evaluation in mcron.log)

[GNU bug Tracking System]

Your message dated Thu, 27 Apr 2023 23:52:47 -0400
with message-id <877ctw64ts.fsf@gmail.com>
and subject line Re: bug#62163: Suppress logging shepherd evaluation in 
mcron.log
has caused the debbugs.gnu.org bug report #62163,
regarding Suppress logging shepherd evaluation in mcron.log
to be marked as done.

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62163: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=62163
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> --- Begin Message ---
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> Subject: 
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> Suppress logging shepherd evaluation in mcron.log
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> Date: 
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> Mon, 13 Mar 2023 15:59:10 +0000
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> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0
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>
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>
> Upon mcron job completion, /var/log/mcron.log is spammed with:
> “shepherd: Evaluating user expression (and (defined? (quote transient?)) (map 
> (# ?) ?))”
>
> These shepherd lines should be suppressible.
>
>
> /var/log/mcron.log snippet:
>
> --8<---------------cut here---------------start------------->8---
> 2023-03-13 16:52:00 243 my-heartbeat-job job: running...
> 2023-03-13 16:52:00 243 my-heartbeat-job job: Healthcheck: OK
> 2023-03-13 16:52:00 243 my-heartbeat-job job: shepherd: Evaluating user 
> expression (and (defined? (quote transient?)) (map (# ?) ?)).
> 2023-03-13 16:52:00 243 my-heartbeat-job job: completed in 0.087s
> --8<---------------cut here---------------end--------------->8---
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#62163: Suppress logging shepherd evaluation in mcron.log
>
>
>
>
> Date: 
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> Thu, 27 Apr 2023 23:52:47 -0400
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>
>
>
> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)
>
>
>
>
> Hello,
>
> Bruno Victal <mirai@makinata.eu> writes:
>
> > Hi Ludo’,
> >
> > On 2023-04-27 14:24, Ludovic Courtès wrote:
> >> Hi Bruno,
> >> 
> >> Ludovic Courtès <ludo@gnu.org> skribis:
> >> 
> >>> Bruno Victal <mirai@makinata.eu> skribis:
> >>>
> >>>> On 2023-03-30 11:22, Ludovic Courtès wrote:
> >>>>>
> >>>>> You can send messages to the bitbucket with:
> >>>>>
> >>>>>   (parameterize ((shepherd-message-port (%make-void-port "w0")))
> >>>>>     …)
> >>>>
> >>>> While it does work for expunging them from mcron log, I noticed that
> >>>> these lines are also polluting /var/log/messages and the snippet above
> >>>> doesn't handle that.
> >>>> Is there perhaps something else I'm missing?
> >>>
> >>> Nope, you cannot prevent them from ending up in /var/log/messages; they
> >>> are purposefully logged.
> >
> > Perhaps we could have a “low-noise” way to query for running services? (or 
> > non modifying actions done on shepherd)
> > Filling /var/log/messages with messages of (IMO) dubious value seems 
> > counterproductive.
> >
> >> What should we do about this bug?  Am I right that the conclusion is
> >> that ‘my-heartbeat-job’ could send herd/shepherd output to the bit
> >> bucket?  If yes, we can close this bug.
> >
> > Parameterizing the shepherd-message-port did cut the shepherd messages from 
> > the mcron log, yes.
>
> Alright, closing then.
>
> What a team :-).
>
> -- 
> Thanks,
> Maxim
>
>
> --- End Message ---