Ok, then I'll completly wright another systemd unit derivated from the one
provided by CentOS.

Yup, that what I thought about the CATALINA_HOME and BASE, so as you
suggested, I'll test to run individual units and saw how it's going on.

Many thanks guys.

2014-12-10 18:10 GMT+01:00 Daniel Mikusa <dmik...@pivotal.io>:

> On Wed, Dec 10, 2014 at 10:35 AM, Billy Bones <gael.ther...@gmail.com>
> wrote:
>
> > Hi Christopher,
> >
> > Many thanks for your answer, well, I'm pretty comfortable with systemd
> > myself as I rely on it for my Fedora box for a long time ago, but on this
> > particular topic regarding tomcat, I don't really understand the purpose
> of
> > this special sentence.
> > As you pointed it, for me too usually caps names == env variables but as
> on
> > the tomcat-sysd script it's simply called without futher sources I'm not
> > quite sure for now.
> >
> > Well, lets see if another *NIX Admin already had started multi-instances
> > tomcat on systemd distributions :D
> >
>
> Starting different instances of Tomcat is mostly just a matter of setting
> the CATALINA_HOME and CATALINA_BASE environment variables to the right
> locations.  I'm sure systemd has a way for you to set environment
> variables, so that should be sufficient to start different instances.
>
> For more details on CATALINA_HOME and CATALINA_BASE, check out the
> RUNNING.txt file in your download or look here.
>
>
> http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/RUNNING.txt?view=markup
>
> I'd suggest getting everything working with multiple instance first.  Once
> you can start the instances from the command line then worry about starting
> them with systemd.
>
>
> >
> > Another way would be to completly duplicate the tomcat directory and
> > service unit and start both at runtime but... doesn't seems too shiny
> for a
> > new server :D
> >
>
> Also an option, but not as efficient.
>
> Dan
>
>
> >
> > 2014-12-10 16:27 GMT+01:00 Christopher Schultz <
> > ch...@christopherschultz.net
> > >:
> >
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA256
> > >
> > > Billy,
> > >
> > > On 12/10/14 9:57 AM, Billy Bones wrote:
> > > > Hi guys,
> > > >
> > > > I'm currently preparing a migration of our Operating System which
> > > > handle our current tomcat installation from an OLD Linux using init
> > > > scripts to a CentOS7 release using sytemd.
> > >
> > > Hrm. Good luck getting help with systemd. The ASF doesn't even support
> > > init.d scripts, though I'm sure many *NIX admins here can help with
> > > init.d scripts (including myself). systemd is a bit new, to ... we'll
> > see.
> > >
> > > > Because I don't want to disturb the way the old server handle the
> > > > webapps (not yet :-) ), I have to start 2 separated instances of
> > > > tomcat on the new machine.
> > > >
> > > > Using init script to boot multiples instance is quite easy, but
> > > > know I'll use systemd and I have to adapt.
> > > >
> > > > I installed my OS and Tomcat from the CentOS repos, take a look at
> > > > the tomcat.service unit and tomcat-sysd script to see how the
> > > > things work. But now I'm a little bit disappointed, I don't
> > > > understand how to have multiple instances.
> > > >
> > > > I created a tomcat@jcr.service unit file on my systemd directory
> > > > and read about the steps to achieve.
> > > >
> > > > The first step said that *"by default SERVICE_NAME=tomcat. and must
> > > > be defined BEFORE tomcat-sysd is called"*
> > > >
> > > > Well, OK, but how am I suppose to do that? Using environnement
> > > > variables? PreStartExec directive? Environnement directive?
> > >
> > > I have no idea. Generally, whenever I see something in ALL_CAPS that
> > > needs to be set to a value, it's an environment variable. With
> > > systemd, it could mean just about anything.
> > >
> > > > I really don't get it, even looking at the tomcat-sysd wrapper
> > > > script which indicate me HOW the system run multiple instance don't
> > > > help me to understand WHERE am I suppose to put that information.
> > > >
> > > > I understand that I have to create a new unit file, a new
> > > > /etc/sysconfig/tomcat file named according to the systemd unit, but
> > > > I don't get it about the SERVICE_NAME.
> > > >
> > > > So if someone could help me a little bit, I'll be happy ^^
> > >
> > > Ultimately, it will all boil down to CATALINA_BASE and CATALINA_HOME
> > > as far as Tomcat is concerned. The SERVICE_NAME is probably a
> > > systemd-only thing.
> > >
> > > Good luck,
> > > - -chris
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> > >
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