setup script for openstack cluster using rcbops

setup_on_rcbops-openstack.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+# - samalba
+
+[ ! $(which nova) ] && {
+    echo "ERROR: OpenStack is not installed"
+    exit 1
+}
+
+docker_check=$(ps -ef | grep -v grep | grep docker)
+
+[ -z "$docker_check" ] && {
+    echo "ERROR: Docker is not running or is not installed"
+    exit 1
+}
+
+ROOT=$(dirname $(readlink -f "$0"))
+
+update_config() {
+    file=$1
+    key=$2
+    value=$3
+    grep ^$key $file >/dev/null
+    [ $? -eq 0 ] && {
+        # Found the pattern, replacing
+        sed -i "s/^\($key[ ]*=\).*$/\1 $value/" $file
+    } || {
+        # Did not find the key, adding it after the beginning of [DEFAULT]
+        sed -i "s/^\(\[DEFAULT\].*\)$/\1\n$key = $value/" $file
+    }
+    echo "Applied changes to $file"
+}
+
+install_nova_driver() {
+    echo "Installing Docker driver for Nova"
+    ln -snf ${ROOT}/nova-driver /usr/lib/python2.7/dist-packages/nova/virt/docker 
+    ln -snf ${ROOT}/nova-driver/docker.filters /etc/nova/rootwrap.d/docker.filters
+    update_config /etc/nova/nova.conf compute_driver docker.DockerDriver
+}
+
+install_glance_backend() {
+    echo "Installing Docker image backend for Glance"
+    ln -snf ${ROOT}/glance-db-backend /usr/lib/python2.7/dist-packages/glance/db/docker
+    update_config /etc/glance/glance-registry.conf data_api glance.db.docker.api
+}
+
+install_nova_driver
+install_glance_backend
+echo "Please restart 'nova-compute' and 'glance-registry'"