# Overview 

This principle charm provides the OpenStack Neutron API service which was previously provided by the nova-cloud-controller charm.

When this charm is related to the nova-cloud-controller charm the nova-cloud controller charm will shutdown its api service, de-register it from keystone and inform the compute nodes of the new neutron url.

# Usage

To deploy (partial deployment only):

    juju deploy neutron-api
    juju deploy neutron-openvswitch

    juju add-relation neutron-api mysql
    juju add-relation neutron-api rabbitmq-server
    juju add-relation neutron-api neutron-openvswitch
    juju add-relation neutron-api nova-cloud-controller

This charm also supports scale out and high availability using the hacluster charm:

    juju deploy hacluster neutron-hacluster
    juju add-unit neutron-api
    juju set neutron-api vip=<VIP FOR ACCESS>
    juju add-relation neutron-hacluster neutron-api

# Restrictions

This charm only support deployment with OpenStack Icehouse or better.