From fc415f506786ea390d2c3a72d72ae3bc98f34184 Mon Sep 17 00:00:00 2001
From: Christian Berendt <berendt@b1-systems.de>
Date: Thu, 7 May 2015 22:59:11 +0200
Subject: [PATCH] Add script to enable fake drivers for nova-compute

Change-Id: Ide5cac229d5862a770ec9b4fb71a82cbe114365a
---
 ansible/controller.yaml      |  3 +--
 doc/source/usage.rst         | 15 ++++++++++++++-
 files/scripts/nova_fake.sh   |  6 ++++++
 files/{ => scripts}/rally.sh |  0
 files/{ => scripts}/setup.sh |  0
 5 files changed, 21 insertions(+), 3 deletions(-)
 create mode 100755 files/scripts/nova_fake.sh
 rename files/{ => scripts}/rally.sh (100%)
 mode change 100644 => 100755
 rename files/{ => scripts}/setup.sh (100%)
 mode change 100644 => 100755

diff --git a/ansible/controller.yaml b/ansible/controller.yaml
index 476ef2b..d2d6683 100644
--- a/ansible/controller.yaml
+++ b/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/rally.sh dest=/home/vagrant/scripts/rally.sh owner=vagrant group=vagrant mode=0755
+- copy: src=files/scripts/ dest=/home/vagrant/scripts/ 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
diff --git a/doc/source/usage.rst b/doc/source/usage.rst
index 3aa9466..835e69a 100644
--- a/doc/source/usage.rst
+++ b/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``.
diff --git a/files/scripts/nova_fake.sh b/files/scripts/nova_fake.sh
new file mode 100755
index 0000000..ca316ca
--- /dev/null
+++ b/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
diff --git a/files/rally.sh b/files/scripts/rally.sh
old mode 100644
new mode 100755
similarity index 100%
rename from files/rally.sh
rename to files/scripts/rally.sh
diff --git a/files/setup.sh b/files/scripts/setup.sh
old mode 100644
new mode 100755
similarity index 100%
rename from files/setup.sh
rename to files/scripts/setup.sh