supervision - discussion about system services, daemon supervision, init, runlevel management, and tools such as s6 and runit
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From: Sean MacLennan <seanm@seanm.ca>
To: Colin Booth <colin@heliocat.net>
Cc: supervision@list.skarnet.org
Subject: Re: s6 problems logging
Date: Sun, 27 Jan 2019 11:47:51 -0500	[thread overview]
Message-ID: <20190127114751.169d2a15@zonker.seanm.ca> (raw)
In-Reply-To: <20190127052000.4skktmkfzmit6ykl@cathexis.xen.prgmr.com>

On Sun, 27 Jan 2019 05:20:00 +0000
Colin Booth <colin@heliocat.net> wrote:

> Everything looks fine from over here. Does running doorknob with -fs
> from the terminal do what you expect? 

Yup, I get a log message to the console when I send an email.

> Also, what does 
> `s6-svstat PATH_TO_DOORKNOB_SVCDIR' and 
> `s6-svstat PATH_TO_DOORKNOB_SVCDIR/log' 
> tell you? 

/service/doorknob# /command/s6-svstat .
up (pid 948) 47861 seconds
/service/doorknob# /command/s6-svstat log
up (pid 847) 75815 seconds

Log has been up longer because I restarted doorknob with an s6-svc
down/up. Not sure if this is kosher with logging. Is there a
recommended way to start/stop services that have logging?

> Also, does the target dir for s6-log have the files
> "current" (apparently not), "lock", and "state"? Those final two
> files are created by s6-log automatically and should at least
> indicate that it's starting up fine.

/service/doorknob# ls log
current  event	lock  run  state  supervise

So it does have all the files/directories but current is empty even
though there should be some log entries.


I do use s6-log in one other service and it works. In the
service/s6-svscan-log I have:

#!/command/execlineb -P
cat ./fifo

And the same log/run as doorknob.

Cheers,
   Sean


  reply	other threads:[~2019-01-27 16:47 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-27  3:15 Sean MacLennan
2019-01-27  5:20 ` Colin Booth
2019-01-27 16:47   ` Sean MacLennan [this message]
2019-01-27 17:56     ` Laurent Bercot
2019-01-27 18:13     ` Colin Booth
2019-01-27 18:56     ` Sean MacLennan
2019-01-27 19:27       ` Roger Pate
2019-01-28 11:00         ` Peter Pentchev
2019-02-01  9:22           ` Jonathan de Boyne Pollard
2019-01-27 19:35       ` Guillermo
2019-01-27 14:39 ` smaclennan/doorknob Jonathan de Boyne Pollard
2019-02-02 18:32   ` smaclennan/doorknob Sean MacLennan

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