Re: [gentoo-user] *draft* for setting up network bridge with systemd (for qemu/kvm)

[Stefan G. Weichinger]

Am 29.01.2013 20:33, schrieb Canek Peláez Valdés:
> On Tue, Jan 29, 2013 at 1:22 PM, Stefan G. Weichinger <lists@×××××.at> wrote:
>> When I debugged my way up to the current draft it was helpful to see
>> which line/command failed etc.
>
> That's my point; you don't need (and I would venture to say, you don't
> want) to debug this kind of stuff within systemd; you create your
> script, and you run it from the command line:
>
> $ /usr/local/bin/kvm-bridge start
>
> And see what is missing or what is failing; you debug it from here.

Ok, I understand your approach.

> When you have a working script, you just put it in a simple, concise
> systemd unit file, and everything should work (sans stuff like needing
> to put absolute paths for the executables, which BTW is easily
> solvable by putting PATH=/sbin:/usr/sbin in your
> /etc/conf.d/network_systemd file).

Yep, thanks.

> But, for the last time: if it works, it works. I just think that's not
> the philosophy behind systemd; the idea is to find the proper
> solution. Using ExecStart= commands to debug when a "service" fails is
> as bad as putting echo statements in SysV/OpenRC scripts to see what
> is failing, IMO. Don't use the bad practices from SysV/OpenRC in
> systemd, I'm just saying.
>
> Just my opinion. But great to know is working.

Thanks for sharing ... I quickly followed your suggestions and built
another service-file with your solution (you had typos btw -> "brigdge"
;-) ). It works as well and is maybe even slimmer in execution.

I will just keep both versions around and see where it gets me.

Thanks, Stefan