Have devstack plugin install Trove client

Using the Trove devstack plugin was dependent on having the
python-troveclient also enabled.  This change modifies the plugin.sh
file to install the client correctly, thus removing the need of
separately enabling a plugin for it.

Variables were set up in the devstack settings file, which can be
overridden as desired.

A README.rst file was added with instructions on how to set up the
plugin in devstack.

Change-Id: If5a76360249827c19759a5c90dc00f70c59c32cc

1 files changed, 45 insertions, 0 deletions

diff --git a/devstack/README.rst b/devstack/README.rst
new file mode 100644
index 00000000..a84ddfab
--- /dev/null
+++ b/devstack/README.rst
@@ -0,0 +1,45 @@
+===========================
+ Enabling Trove in DevStack
+===========================
+
+To enable Trove in DevStack, perform the following steps:
+
+::
+
+    Note: The python-troveclient is automatically installed.  If you need to
+    control how the client gets installed, set the TROVECLIENT_REPO,
+    TROVECLIENT_DIR and TROVECLIENT_BRANCH environment variables appropriately.
+
+
+Download DevStack
+=================
+
+.. sourcecode:: bash
+
+    export DEVSTACK_DIR=~/devstack
+    git clone git://git.openstack.org/openstack-dev/devstack.git $DEVSTACK_DIR
+
+Enable the Trove plugin
+=======================
+
+Enable the plugin by adding the following section to ``$DEVSTACK_DIR/local.conf``
+
+.. sourcecode:: bash
+
+     [[local|localrc]]
+     enable_plugin trove git://git.openstack.org/openstack/trove
+
+Optionally, a git refspec (branch or tag or commit) may be provided as follows:
+
+.. sourcecode:: bash
+
+     [[local|localrc]]
+     enable_plugin trove git://git.openstack.org/openstack/trove <refspec>
+
+Run the DevStack utility
+========================
+
+.. sourcecode:: bash
+
+     cd $DEVSTACK_DIR
+     ./stack.sh