From dc2d839c9dbd3d764372b6102be628d154bf4c10 Mon Sep 17 00:00:00 2001
From: MORITA Kazutaka <morita.kazutaka@gmail.com>
Date: Thu, 12 Feb 2015 00:58:02 +0900
Subject: [PATCH] Add support for cinder backend

This is necessary to use sheepdog as a backend of cinder.

Change-Id: I23639f4a4505d3b52baea4824b50f6cfba024675
---
 devstack/plugin.sh | 8 ++++++++
 devstack/settings  | 5 +++++
 2 files changed, 13 insertions(+)
 create mode 100644 devstack/settings

diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 7bdaaf5..6acc0f2 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -3,6 +3,7 @@
 # Dependencies:
 #
 # - ``functions`` file
+# - ``cinder`` configurations
 # - ``SHEEPDOG_DATA_DIR`` must be defined
 
 # ``stack.sh`` calls the entry points in this order (via ``extras.d/60-sheepdog.sh``):
@@ -94,6 +95,13 @@ function start_sheepdog {
     sudo dog cluster format -c 1
 }
 
+# configure_cinder_backend_sheepdog - Configure Cinder for Sheepdog backends
+function configure_cinder_backend_sheepdog {
+    local be_name=$1
+    iniset $CINDER_CONF $be_name volume_backend_name $be_name
+    iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.sheepdog.SheepdogDriver"
+}
+
 if [[ "$1" == "source" ]]; then
     # Initial source
     source $TOP_DIR/lib/sheepdog
diff --git a/devstack/settings b/devstack/settings
new file mode 100644
index 0000000..4eb27e6
--- /dev/null
+++ b/devstack/settings
@@ -0,0 +1,5 @@
+# Devstack settings
+
+# enable sheepdog cinder backend
+CINDER_ENABLED_BACKENDS=sheepdog:sheepdog
+TEMPEST_STORAGE_PROTOCOL=sheepdog