mcloud-plugin-haproxy 1.0.4

Haproxy publishing
============================

Haproxy plugin install haproxy as a load balancer for mcloud. Plugin is useful when you need
deploy multiple applications on one server, or use complex application publishing


Multiple applications
-------------------------

.. uml::

cloud Internet {

}

package Docker {
[Haproxy] << Load Balancer >>

database App1 {
[nginx.myapp]
[another.myapp]
[something.myapp]
}

database App2 {
[nginx.another]
[another.another]
}

Haproxy ..> nginx.myapp
Haproxy ..> nginx.another

}

Internet ..> Haproxy


Multiple versions
-------------------------


.. uml::

cloud Internet {

}

package Docker {
[Haproxy] << Load Balancer >>

[nodejs.app_v1]
[nodejs.app_v2]

Haproxy ..> nodejs.app_v1
Haproxy -> nodejs.app_v2
}

Internet ..> Haproxy


Haproxy template
-----------------------

You can use your own template by placing it in /root/.mcloud/haproxy.tpl. Mcloud kindly places default config there.

.. highlights::

Template is Jinja2 template http://jinja.pocoo.org/docs/

To apply your changes to template restart mcloud::

$ docker restart mcloud

Default tamplate
^^^^^^^^^^^^^^^^^^

.. literalinclude:: mcloud_haproxy.py
:lines: 21-94
:language: jinja