supervision - discussion about system services, daemon supervision, init, runlevel management, and tools such as s6 and runit
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From: Mike Buland <xagafinelle@gmail.com>
To: supervision@list.skarnet.org
Subject: Re: Per-user service managers
Date: Thu, 20 Oct 2011 13:21:03 -0600	[thread overview]
Message-ID: <CAK2oqqLN1oKkph8Ad-bZsex0GTs741fe5jb5YkboSRJ+O=QZ3w@mail.gmail.com> (raw)
In-Reply-To: <87vcrja2xj.fsf@servo.finestructure.net>

On Thu, Oct 20, 2011 at 1:16 PM, Jameson Graef Rollins
<jrollins@finestructure.net> wrote:
> On Thu, 20 Oct 2011 12:11:38 -0600, Mike Buland <xagafinelle@gmail.com> wrote:
>> As for controlling the runsvdir processes, I've never had ocassion to stop
>> them once their started.  My program does track all of them, and it has been
>> my intention to shutdown the runsvdir process for a user when they are
>> removed from the svusers group.  However, since runsvdir is designed to run
>> forever and my intention was to provide reliable services for priveleged
>> users,  I'm not sure the restarting users runsvdir processes is necesarry.
>> That doesn't mean I wouldn't happily accept a patch that provides that
>> feature.
>
> I think control of the user runsvdir processes is just as important as
> control of other long-running processes that you usually intend to have
> run forever (cron or apache or whatever).  That's why the sv interface
> exists, after all, even though you don't usually intend to ever stop
> cron, for example.  Ultimately there's always a need.  Stop the user's
> service when they are removed from the system is a relevant example, for
> instance.
>
> I like to have a separate runsvdir process per user (as your system has)
> but then to also have system-level runsv control over those user
> runsvdir processes.  That's why I opted to go for separate runsv
> directories per user.  I can then use a simple script to construct and
> tear down those runsv directories as needed, and then use sv as root to
> control the user directories from a system level.
>
> jamie.
>

I'm very sorry for the confusion.  I agree with you, it's a very good
idea.  I haven't needed that feature yet, and it hadn't occurred to
me, hence, it's not in this program yet.  Thank you for the feedback.
I didn't like managing the individual directories, so I made this.

Enjoy,
--Mike Buland


  reply	other threads:[~2011-10-20 19:21 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-20 16:26 Mike Buland
2011-10-20 17:40 ` Jameson Graef Rollins
2011-10-20 18:11   ` Mike Buland
2011-10-20 19:16     ` Jameson Graef Rollins
2011-10-20 19:21       ` Mike Buland [this message]
2011-10-21 16:44       ` problem with mailing list and multipart/mime? Jameson Graef Rollins
2011-10-21 18:55         ` Uffe Jakobsen
2011-10-22  1:31         ` Alex Efros
2011-10-22  2:01           ` Jameson Graef Rollins
2011-10-22 10:43             ` Alex Efros
2011-10-22 11:47               ` Laurent Bercot
2011-10-22 19:43                 ` Jameson Graef Rollins
2011-10-22 19:49                   ` Jameson Graef Rollins
2012-03-10 16:34                   ` Laurent Bercot
2011-10-22 19:16             ` Jameson Graef Rollins
2011-10-22  7:24         ` Laurent Bercot

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