Deploying multiple applications to a single environment?

[Marcos Barbosa]

And I can put all worpress stack in a ec2 instance and limesurvey stack in
another ec2 instance?


2012/11/12 Marco Ceppi <marco at ondina.co>

> The answer is yes. So there's several ways to tackle this within the
> scope of Juju. You can deploy multiple "application stacks" to a single
> environment and still have them separated, while it's not necessary, if
> a requirement was to have a loadbalancer, WordPress, and MySQL separated
> from another loadbalancer, Limesurvey, and MySQL server you could do
> that in the same environment like so:
>
> juju deploy <loadbalancer> wp-lb
> juju deploy <loadbalancer> lime-lb
> // Where loadbalancer is something like squid, haproxy, varnish, etc [1]
> juju deploy wordpress
> juju deploy limesurvey
> juju deploy mysql wp-mysql
> juju deploy mysql lime-mysql
>
> Since you can provide aliases to services in Juju enironments you can
> deploy one charm multiple times under different names. Now you can
> continue with the set up as you normally would, only using aliases:
>
> juju add-relation wp-lb wordpress
> juju add-relation wordpress wp-mysql
> juju expose wp-lb
>
> juju add-relation limesurvey lime-lb
> juju add-relation limesurvey lime-mysql
> juju expose lime-lb
>
> Now you have two application stacks in the same environment but still
> separated from each other. You can mix and match this as you see if,
> adding a relation from MySQL to multiple services is fine (and expected
> in the charm) MySQL will simply create a database per service connected.
>
> I like to think of environments as levels of access for people. So if
> you have one team that needs access to a certain stack of applications
> I'd create that environment for them, whereas another team might need
> access to different stacks, so they'd just be deploying to a different
> environment to manage their stacks. There's really no problem with
> deploying arbitrary services in an environment whether they're related
> to each other or not it makes no difference to juju.
>
> Thanks,
> Marco Ceppi
>
> [1]: http://jujucharms.com/interfaces/http
>
> On 11/12/2012 04:20 PM, Darryl Weaver wrote:
> > Hi All,
> >
> > So, here is an interesting question about deploying multiple
> > applications.  This is a question about best practises.
> >
> > Say, I am a system administrator who wants to deploy many similar web
> > applications.  But I want each one to have it's own environment on
> > different servers and all deployed using Juju, for performance, security
> > and DR reasons.
> >
> > So, for example, I would like to have a wordpress app node and mysql
> > database node (for wordpress only) and a load balancer (for wordpress
> > only), but I also want to have another application, such as limesurvey
> > app, db server and load balancer.
> >
> > So, do I create multiple environments to contain each of my applications
> > or do I deploy to the same environment?
> >
> > If I am deploying to the same environment, how do I specify separation
> > between applications and relationships between specific instances?
> >
> > Thanks in advance for any advice,
> >
>
>
> --
> Juju mailing list
> Juju at lists.ubuntu.com
> Modify settings or unsubscribe at:
> https://lists.ubuntu.com/mailman/listinfo/juju
>



-- 
Marcos Barbosa <marcosestevesbarbosa at gmail.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/juju/attachments/20121112/04724813/attachment.html>