GNU bug report logs - #72527
Rottlog never exits cleanly

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Simon Streit <simon <at> netpanic.org>
To: bug-guix <at> gnu.org
Subject: Rottlog never exits cleanly
Date: Thu, 08 Aug 2024 17:02:16 +0200

Hello!

On inspection of the default settings for Rot[t]log’s service, and
reading through /var/log/mcron.log, rottlog always exits with the
following error:

--8<---------------cut here---------------start------------->8---
2024-08-07 12:00:00 3408 /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog: running...
2024-08-07 12:00:01 3408 /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog: failed after 0.199s with: (misc-error #f unclean exit status ~S (1) #f)
--8<---------------cut here---------------end--------------->8---

Checking directly:

--8<---------------cut here---------------start------------->8---
root <at> host ~# /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog -v
read_custom: Config file 'custom' does not exist
read_daily: Config file 'daily' does not exist
check_last_rotate: Checking for week(ly) config file
check_last_rotate: Old date  : 1722810339
check_last_rotate: New date  : 1723125091
check_last_rotate: Next date : Thu 15 Aug 16:51:31 CEST 2024
check_last_rotate: Rotation not needed: 314752 < 604800
read_monthly: Config file 'monthly' does not exist
root <at> host ~# echo $?
1
--8<---------------cut here---------------end--------------->8---

To experiment a little, I add:

--8<---------------cut here---------------start------------->8---
(simple-service 'nginx-custom-rotations rottlog-service-type
                (list (log-rotation
                       (frequency 'custom)
                       (files '("/var/log/nginx/access.log"
                                "/var/log/nginx/error.log"))
                       (options '("storedir nginx
period 15")))))
(simple-service 'nginx-daily-rotations rottlog-service-type
                (list (log-rotation
                       (frequency 'daily)
                       (files '("/var/log/nginx/access.log"
                                "/var/log/nginx/error.log"))
                       (options '("storedir nginx")))))
(simple-service 'nginx-monthly-rotations rottlog-service-type
                (list (log-rotation
                       (frequency 'monthly)
                       (files '("/var/log/nginx/access.log"
                                "/var/log/nginx/error.log"))
                       (options '("storedir nginx")))))
--8<---------------cut here---------------end--------------->8---

Upon reconfiguration, I called “/gnu/store/...rottlog -v” again, and
voilà, it exits cleanly.

The current default is to only provide a weekly rotation.  Rottlog
expects a custom, daily, weekly and monthly file.  The documentation
upstream doesn't state this directly.  Providing empty files doesn't
help either, as it then errors out about syntax errors.

Would it make sense to be sure that a weekly file is enough, or all four
files are provided in a way?  The latter option sounds like slight over
engineering.  The default weekly rotation is enough for a base system.

I doubt it this is someone’s first concern to read through
/var/log/mcron.log and understand the error message on a new system.
The error message is there and it is not clear why at first sight.


Kind regards

-- 
Simon

Message #8 received at 72527 <at> debbugs.gnu.org (full text, mbox):

From: jgart <jgart <at> dismail.de>
To: 72527 <at> debbugs.gnu.org
Cc: Simon Streit <simon <at> netpanic.org>
Subject: Re: Rottlog never exits cleanly
Date: Thu, 08 Aug 2024 11:22:58 -0500

Hi Simon,

Thanks for investigating this.

Would you be interested in sending a v1 patch with a proposal that fixes
the issue. I could then test it.

wdyt

-- 
all the best,
jgart

Message #11 received at 72527 <at> debbugs.gnu.org (full text, mbox):

From: Simon Streit <simon <at> netpanic.org>
To: jgart <jgart <at> dismail.de>
Cc: 72527 <at> debbugs.gnu.org
Subject: Re: Rottlog never exits cleanly
Date: Thu, 08 Aug 2024 19:27:18 +0200

Hello jgart,

jgart <jgart <at> dismail.de> writes:

> Would you be interested in sending a v1 patch with a proposal that
> fixes the issue. I could then test it.

I'll workout a patch and post it, once I've got one.  


Kind regards,

-- 
Simon

Message #14 received at 72527 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Simon Streit <simon <at> netpanic.org>
Cc: 72527 <at> debbugs.gnu.org
Subject: Re: bug#72527: Rottlog never exits cleanly
Date: Mon, 16 Sep 2024 17:29:32 +0200

Hi Simon,

Simon Streit <simon <at> netpanic.org> skribis:

> On inspection of the default settings for Rot[t]logs service, and
> reading through /var/log/mcron.log, rottlog always exits with the
> following error:
>
> 2024-08-07 12:00:00 3408 /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog: running...
> 2024-08-07 12:00:01 3408 /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog: failed after 0.199s with: (misc-error #f unclean exit status ~S (1) #f)
>
>
> Checking directly:
>
> root <at> host ~# /gnu/store/scligrs2fwpsy6jvffraa274k7ipbg81-rottlog-0.72.2/sbin/rottlog -v
> read_custom: Config file 'custom' does not exist
> read_daily: Config file 'daily' does not exist
> check_last_rotate: Checking for week(ly) config file
> check_last_rotate: Old date  : 1722810339
> check_last_rotate: New date  : 1723125091
> check_last_rotate: Next date : Thu 15 Aug 16:51:31 CEST 2024
> check_last_rotate: Rotation not needed: 314752 < 604800
> read_monthly: Config file 'monthly' does not exist
> root <at> host ~# echo $?
> 1

FWIW I would recommend not investing too much time in Rottlog: well
hopefully be able to migrate to the Shepherds log rotation service in
the coming months.

  https://lists.gnu.org/archive/html/guix-devel/2024-05/msg00159.html

Ludo’.

Message #17 received at 72527 <at> debbugs.gnu.org (full text, mbox):

From: Simon Streit <simon <at> netpanic.org>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 72527 <at> debbugs.gnu.org
Subject: Re: bug#72527: Rottlog never exits cleanly
Date: Wed, 13 Nov 2024 22:16:07 +0100

Hello Ludovic,

Ludovic Courtès <ludo <at> gnu.org> writes:

> FWIW I would recommend not investing too much time in Rottlog: well
> hopefully be able to migrate to the Shepherds log rotation service in
> the coming months.
>
>   https://lists.gnu.org/archive/html/guix-devel/2024-05/msg00159.html

I just rolled out shepherd 1.0.0rc1 locally that also includes brand new
logging facilities.  It looks so much better there.  I am assuming once
this release proceeds, rottlog will be eventually be completely
replaced?

I don't see a need to follow this issue any more.  Closing. 


Kind regards

-- 
Simon

Message #22 received at 72527 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Simon Streit <simon <at> netpanic.org>
Cc: 72527 <at> debbugs.gnu.org
Subject: Re: bug#72527: Rottlog never exits cleanly
Date: Wed, 20 Nov 2024 12:51:54 +0100

Hi,

Simon Streit <simon <at> netpanic.org> skribis:

> Ludovic Courtès <ludo <at> gnu.org> writes:
>
>> FWIW I would recommend not investing too much time in Rottlog: well
>> hopefully be able to migrate to the Shepherds log rotation service in
>> the coming months.
>>
>>   https://lists.gnu.org/archive/html/guix-devel/2024-05/msg00159.html
>
> I just rolled out shepherd 1.0.0rc1 locally that also includes brand new
> logging facilities.  It looks so much better there.  I am assuming once
> this release proceeds, rottlog will be eventually be completely
> replaced?

Yes, that’s the plan.  (It’s a bit tricky because someone reconfiguring
a pre-1.0 system won’t be able to run timed services.)

Ludo’.

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