Bug#747743: systemd: After switching from sysvinit to systemd former disabled services are started

[Tollef Fog Heen <tfheen@err.no>]

]] Michael Biebl 

Hi,

> Am 11.05.2014 18:51, schrieb Tollef Fog Heen:
> > 
> > reassign 747743 openssh-server
> > thanks
> > 
> > ]] Julian Wollrath 
> > 
> >> I have the package openssh-server installed but disabled starting the server
> >> daemon via 'update-rc.d ssh disable', since I do not need it running all the
> >> time. When I switched to systemd suddenly the ssh service was started despite
> >> the fact, that I had disabled it. But I also had kdm only enabled for runlevel
> >> 5, systemd recognized that correctly and did not started it in different
> >> runlevels. Somehow the detection that ssh was totally disabled failed (or it
> >> was not even tried to detect that). The same holds for the bluetooth service,
> >> which I also disabled but which got started by systemd nevertheless.
> > 
> > This sounds like a bug in the SSH packaging, so reassigning to
> > openssh-server.
> > 
> > Colin, feel free to poke us if there's anything we can help with.  (Or
> > reassign back if you feel this is a bug in systemd/dh_systemd.)
> 
> Actually, I discussed that with Michael Stapelberg when we worked on the
> dh-systemd helper. The problem is, update-rc.d doesn't provide any API
> to query if a SysV init script is enabled or not. We filed a bug for
> that a while ago without any feedback so far from the sysvinit
> maintainers [0].
> So, when adding a native service file, it's not really possible to
> mirror the enabled state in a way which works universally and I don't
> think there is anything we can do in the dh_systemd helper regarding
> that. I'm also not sure if it is fixable manually.

Ok, seems like I might have misjudged then.

We should do the 98% solution, which is to check
/etc/rc[S2].d/S??$basename then, IMO.  If somebody comes up with code to
do the check for file-rc and other uncommon systems, that's fine, but
sysvinit will be the most common one by far.

-- 
Tollef Fog Heen
UNIX is user friendly, it's just picky about who its friends are