Add ECMP support config for PGLib

As a part of the Neutron ECMP support being added in the PLUMgrid plugin,
the new CLI for PGLib requires a configuration file pgrc
which is installed under /etc/neutron/plugins/plumgrid

Change-Id: I8a492655ff53099057e4648c9c835cd7ae4d0d2a
Signed-off-by: Javeria Khan <javeriak@plumgrid.com>

playbooks/roles/os_neutron/tasks/plumgrid_config.yml

@@ -23,6 +23,15 @@
   tags:
     - neutron_config
 
+- name: Place pgrc file
+  template:
+    src: plugins/plumgrid/pgrc
+    dest: /etc/neutron/plugins/plumgrid/pgrc
+    owner: "{{ neutron_system_user_name }}"
+    group: "{{ neutron_system_group_name }}"
+  tags:
+    - neutron_config
+
 - name: Install plumgrid pip packages (venv)
   pip:
     name: "{{ item }}"

playbooks/roles/os_neutron/templates/plugins/plumgrid/pgrc

@@ -0,0 +1,9 @@
+# {{ ansible_managed }}
+#!/bin/sh
+export os_auth_url="{{ keystone_service_adminuri }}/v3"
+export os_admin_user="{{ keystone_admin_user_name }}"
+export os_admin_tenant="{{ keystone_admin_tenant_name }}"
+export os_admin_password="{{ keystone_auth_admin_password }}"
+export pg_virtual_ip="{{ pg_vip }}"
+export pg_username="{{ pg_username }}"
+export pg_password="{{ pg_password }}"