Re: [atomic-devel] Systemd, containers, and pid=host

[Clayton Coleman <ccoleman redhat com>]

Having systemd be able to run as a supervisors replacement in user space would be a killer feature for containers.


> On Mar 11, 2015, at 4:11 PM, Lars Kellogg-Stedman <lars redhat com> wrote:
> 
> Is it possible to design a container that utilizes systemd *and* that
> will run fine either with or without --pid=host?  As far as I can
> tell, at the moment the answer is "no": if you expect to run in the
> host pid namespace, you only get (a) a single process or (b) you use
> some suboptimal process supervisor like "supervisor"...
> 
> ...but I am looking for a second opinion.
> 
> As for why you would want to do this, the ability to "yum install foo;
> systemctl enable foo" is attractive, and I really like journald as a
> solution to application logging.
> 
> Thanks,
> 
> -- 
> Lars Kellogg-Stedman <lars redhat com> | larsks @ {freenode,twitter,github}
> Cloud Engineering / OpenStack          | http://blog.oddbit.com/
>