Service units for web applications

[Simo Sorce]

On Tue, 2014-02-25 at 22:41 +0100, Lennart Poettering wrote:
> On Tue, 25.02.14 15:49, Stephen Gallagher (sgallagh at redhat.com) wrote:
> 
> > In the specific case I'm looking at, I'm not (necessarily) talking
> > about separate httpd instances. Rather, I'm talking about either
> > different virtual hosts or different paths on the same virtual host.
> > 
> > For example, I might have
> > 
> > http://reviews.myserver.com/systemd-reviews/
> > http://reviews.myserver.com/networkmanager-reviews/
> > http://otherreviews.myserver.com/
> > 
> > All of these would be operating under a single HTTPD instance on port
> > 80, just with configuration enabling them to run different instances
> > of the same application in different paths and on different virtual hosts.
> > 
> > In the case of apache, it really amounts to something very similar to
> > what you explained about the service snippets above. You just drop a
> > file like the one copied below into the /etc/httpd/conf.d/ directory
> > and it gets merged together when apache starts. From my perspective as
> > a user, these really are individual services, they just happen to be
> > running inside the same process. So I would ideally want to be able to
> > enable and disable them the way I would the httpd service itself.
> 
> But a vhost is not a systemd concept, it's entirely foreign to it. It
> does not track it, maintain it, introspect it, know it. We really
> shouldn't turn systemd into something that can manage things that are
> inherently private property of other packages.
> 
> Mabye httpd.rpm wants to include a tool that has a similar "feel" like
> systemctl, maybe "httpdctl" or so, that covers this, but I am pretty
> strongly of the opinion that that has no place in systemd.

https://httpd.apache.org/docs/current/programs/apachectl.html

But it is nothing like systemd, and does not handle enabling individual
virtual hosts.

Simo.

-- 
Simo Sorce * Red Hat, Inc * New York