From: ludo@gnu.org (Ludovic Courtès)
To: Carlo Zancanaro <carlo@zancanaro.id.au>
Cc: 22039@debbugs.gnu.org
Subject: bug#22039: [PATCH] 'guix system reconfigure' must start/restart/stop services
Date: Mon, 24 Sep 2018 10:58:58 +0200 [thread overview]
Message-ID: <877ejbxodp.fsf@gnu.org> (raw)
In-Reply-To: <87lg7ru83l.fsf@zancanaro.id.au> (Carlo Zancanaro's message of "Mon, 24 Sep 2018 09:06:38 +1000")
Hi Carlo,
Carlo Zancanaro <carlo@zancanaro.id.au> skribis:
> On Fri, Sep 21 2018, Ludovic Courtès wrote:
>> What would you put there? Do you have concrete examples?
>
> I would have three possible values: 'never, 'always, 'manual.
>
> 'never would mean that the service should never be restarted. This is
> for things like udev, or the filesystems, which should never be
> restarted on a running system.
>
> 'always would mean that the service is always safe to restart. I don't
> immediately know what services would fit in this category (maybe sshd,
> given Efraim's comment; maybe ntpd? I'm sure there are others). Things
> like nginx will probably not fall into this category, because they
> involve some downtime when restarting. Reloading their configuration
> (via a "reload" action, or similar) is not enough because the binary
> and/or libraries might have changed (and, in the worst case, might
> have an incompatible configuration format, although I would expect
> that to be exceedingly rare).
>
> 'manual would mean that the service should be restarted, but it need
> to be done at an appropriate time. This should prompt the user with
> the names of the services, and we should provide an option to guix
> system reconfigure to restart these services as part of the
> reconfigure. We could call the option "--restart-services".
OK, I see.
>> We can go with your patch and a message along the lines of what we
>> discussed above, and then work on the improvements you mentioned,
>> one at a time. That way we’ll have the warm feeling of having
>> achieved something, even if there’s more to come. :-)
>
> I won't be able to look at writing the code for this for a few weeks,
> but hopefully I'll get to it around mid- to late-October.
If that’s fine with you, I can apply the patch you initially posted so
we can start taking advantage of it (I’d like to push a Guix release by
the end of October.) WDYT?
Thanks!
Ludo’.
next prev parent reply other threads:[~2018-09-24 9:00 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-28 16:35 bug#22039: 'guix system reconfigure' must start/restart/stop services Ludovic Courtès
2016-01-08 10:04 ` Ludovic Courtès
2016-02-03 21:32 ` Ludovic Courtès
2016-02-03 21:34 ` Thompson, David
2018-01-16 11:17 ` bug#22039: ‘guix system reconfigure’ does not always load new services Ludovic Courtès
2018-08-26 12:15 ` bug#22039: [PATCH] 'guix system reconfigure' must start/restart/stop services Carlo Zancanaro
2018-09-01 10:49 ` Ludovic Courtès
2018-09-01 12:15 ` Carlo Zancanaro
2018-09-01 12:33 ` Carlo Zancanaro
2018-09-01 17:12 ` Ludovic Courtès
2018-09-02 3:43 ` Carlo Zancanaro
2018-09-02 20:39 ` Ludovic Courtès
2018-09-19 15:47 ` Ludovic Courtès
2018-09-19 20:56 ` Carlo Zancanaro
2018-09-20 9:47 ` Ludovic Courtès
2018-09-20 10:24 ` Carlo Zancanaro
2018-09-20 11:08 ` Ludovic Courtès
2018-09-20 11:50 ` Carlo Zancanaro
2018-09-21 11:58 ` Ludovic Courtès
2018-09-23 8:26 ` Efraim Flashner
2018-09-23 19:53 ` Ludovic Courtès
2018-09-23 23:06 ` Carlo Zancanaro
2018-09-24 8:58 ` Ludovic Courtès [this message]
2018-09-24 10:18 ` Carlo Zancanaro
2018-09-26 21:46 ` Ludovic Courtès
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