Add script to enable fake drivers for nova-compute

Change-Id: Ide5cac229d5862a770ec9b4fb71a82cbe114365a

ansible/controller.yaml

@@ -17,8 +17,7 @@
   when: not development
 - template: src=files/openrc.j2 dest=/home/vagrant/openrc owner=vagrant group=vagrant mode=0644
 - lineinfile: dest=/home/vagrant/.bashrc line='source $HOME/openrc'
-- copy: src=files/setup.sh dest=/home/vagrant/scripts/setup.sh owner=vagrant group=vagrant mode=0755
+- copy: src=files/scripts/ dest=/home/vagrant/scripts/ owner=vagrant group=vagrant mode=0755
-- copy: src=files/rally.sh dest=/home/vagrant/scripts/rally.sh owner=vagrant group=vagrant mode=0755
 - filesystem: fstype=xfs dev=/dev/sdb force=yes
 - filesystem: fstype=xfs dev=/dev/sdc force=yes
 - template: src=files/packstack.answers.j2 dest=/home/vagrant/packstack.answers owner=vagrant group=vagrant

doc/source/usage.rst

@@ -28,10 +28,23 @@ APIs
 All OpenStack API services are running on the controller node with the
 default IP address ``10.100.50.10``.
 
+Helper scripts
+--------------
+
+All helper scripts can be found on the ``controller`` node in the
+``/home/vagrant/scripts`` directory.
+
 Rally
------
+~~~~~
 
 Install `Rally <https://github.com/openstack/rally>`_, a framework for
 performance analysis and benchmarking of individual OpenStack components,
 with ``/home/vagrant/scripts/rally.sh`` to ``/opt/rally``. The directory
 is accessible through the webserver, by default at http://10.100.50.10/rally/.
+
+Fake Drivers
+~~~~~~~~~~~~
+
+To enable the `fake drivers <http://docs.openstack.org/developer/nova/devref/fakes.html>`_
+for the ``nova-compute`` service on all compute nodes run the
+script ``/home/vagrant/scripts/nova_fake.sh``.

files/scripts/nova_fake.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+for node in $(sed -n '/<<< Packstack >>>/{:a;n;/>>> Packstack <<</b;p;ba}' /etc/hosts | grep compute | awk '{ print $2 }'); do
+    ssh $node 'sudo crudini --set /etc/nova/nova.conf DEFAULT compute_driver fake.FakeDriver'
+    ssh $node 'sudo systemctl restart openstack-nova-compute.service'
+done