[systemd-devel] [PACKAGERS] rsyslog and systemd

[Lennart Poettering]

On Tue, 08.03.11 23:08, Andrey Borzenkov (arvidjaar at mail.ru) wrote:

> 
> On Tue, Mar 8, 2011 at 1:49 AM, Lennart Poettering
> <lennart at poettering.net> wrote:
> > Heya,
> >
> > in the past weeks a couple of folks have been asking about the rsyslog
> > and systemd glue in systemd, and I never responded since this was still
> > work in progress. Things should be all resolved now, so here's a
> > heads-up in how things should work now:
> >
> > I have just sent a patch to rsyslog upstream:
> >
> > http://0pointer.de/public/0001-systemd-use-standard-syslog.socket-unit.patch
> >
> > This has the effect of making rsyslog and systemd-kmsg-syslogd listen on
> > the exact same socket, so that we can start the latter during early boot
> > and then replace it with the former during late boot, thus providing
> > continuous logging from the point in time we systemd gets invoked up all
> > the way to the end. And since systemd-kmsg-syslogd writes all /dev/log
> > messages to kmsg and rsyslog flushes kmsg to disk as first thing we end
> > up with a full set of messages on disk.
> >
> > For this to work properly you need to run current git (I'll probably
> > release systemd 20 very soon though).
> >
> 
> Testing v20 + rsyslog 5.6.2 + above patch I lose at least startup
> message from rsyslog itself. Do I need newer version of rsyslog? I
> must admit that I applied this patch on top of another one which added
> systemd support, but it contained just systemd unit and suild-sys
> stuff. Is any magic in rsyslogd itself required?

Oh. Uh. I doubt that the startup message from rsyslog itself ever passes
through anything socket-like at all, or anything systemd could interfere
with. I'd assume this is is done in rsyslog internally.

I based my work on the current version 5.7.7.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.