stack.sh: updates for linuxbridge support

1. make use of uniform configuration files
2. enables agent and plugin to run on different hosts

Change-Id: I04bab95956e3733c48dcecb6a94042e9666778d3

stack.sh

@@ -1045,10 +1045,15 @@ if is_service_enabled q-svc; then
             ### FIXME(dtroyer): Find RPMs for OpenVSwitch
             echo "OpenVSwitch packages need to be located"
         fi
+
+        QUANTUM_OVS_CONF_DIR=$QUANTUM_CONF_DIR/plugins/openvswitch
+        QUANTUM_OVS_CONFIG_FILE=$QUANTUM_OVS_CONF_DIR/ovs_quantum_plugin.ini
+
         # Create database for the plugin/agent
         if is_service_enabled mysql; then
             mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'DROP DATABASE IF EXISTS ovs_quantum;'
             mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'CREATE DATABASE IF NOT EXISTS ovs_quantum CHARACTER SET utf8;'
+            sudo sed -i -e "s/^sql_connection =.*$/sql_connection = mysql:\/\/$MYSQL_USER:$MYSQL_PASSWORD@$MYSQL_HOST\/ovs_quantum?charset=utf8/g" $QUANTUM_OVS_CONFIG_FILE
         else
             echo "mysql must be enabled in order to use the $Q_PLUGIN Quantum plugin."
             exit 1
@@ -1063,17 +1068,22 @@ if is_service_enabled q-svc; then
         if is_service_enabled mysql; then
             mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'DROP DATABASE IF EXISTS quantum_linux_bridge;'
             mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'CREATE DATABASE IF NOT EXISTS quantum_linux_bridge;'
+            if grep -Fxq "user = " $QUANTUM_LB_CONFIG_FILE
+            then
+                sudo sed -i -e "s/^connection = sqlite$/#connection = sqlite/g" $QUANTUM_LB_CONFIG_FILE
+                sudo sed -i -e "s/^#connection = mysql$/connection = mysql/g" $QUANTUM_LB_CONFIG_FILE
+                sudo sed -i -e "s/^user = .*$/user = $MYSQL_USER/g" $QUANTUM_LB_CONFIG_FILE
+                sudo sed -i -e "s/^pass = .*$/pass = $MYSQL_PASSWORD/g" $QUANTUM_LB_CONFIG_FILE
+                sudo sed -i -e "s/^host = .*$/host = $MYSQL_HOST/g" $QUANTUM_LB_CONFIG_FILE
+            else
+                sudo sed -i -e "s/^sql_connection =.*$/sql_connection = mysql:\/\/$MYSQL_USER:$MYSQL_PASSWORD@$MYSQL_HOST\/quantum_linux_bridge?charset=utf8/g" $QUANTUM_LB_CONFIG_FILE
+            fi
         else
             echo "mysql must be enabled in order to use the $Q_PLUGIN Quantum plugin."
             exit 1
         fi
-        # Make sure we're using the linuxbridge plugin and set the mysql hostname, username and password in the config file
+        # Make sure we're using the linuxbridge plugin
         sudo sed -i -e "s/^provider =.*$/provider = quantum.plugins.linuxbridge.LinuxBridgePlugin.LinuxBridgePlugin/g" $QUANTUM_PLUGIN_INI_FILE
-        sudo sed -i -e "s/^connection = sqlite$/#connection = sqlite/g" $QUANTUM_LB_CONFIG_FILE
-        sudo sed -i -e "s/^#connection = mysql$/connection = mysql/g" $QUANTUM_LB_CONFIG_FILE
-        sudo sed -i -e "s/^user = .*$/user = $MYSQL_USER/g" $QUANTUM_LB_CONFIG_FILE
-        sudo sed -i -e "s/^pass = .*$/pass = $MYSQL_PASSWORD/g" $QUANTUM_LB_CONFIG_FILE
-        sudo sed -i -e "s/^host = .*$/host = $MYSQL_HOST/g" $QUANTUM_LB_CONFIG_FILE
     fi
     if [[ -e $QUANTUM_DIR/etc/quantum.conf ]]; then
         sudo mv $QUANTUM_DIR/etc/quantum.conf $QUANTUM_CONF_DIR/quantum.conf
@@ -1103,6 +1113,17 @@ if is_service_enabled q-agt; then
        # Start up the quantum <-> linuxbridge agent
        install_package bridge-utils
        sudo sed -i -e "s/^physical_interface = .*$/physical_interface = $QUANTUM_LB_PRIVATE_INTERFACE/g" $QUANTUM_LB_CONFIG_FILE
+       if grep -Fxq "user = " $QUANTUM_LB_CONFIG_FILE
+       then
+           sudo sed -i -e "s/^connection = sqlite$/#connection = sqlite/g" $QUANTUM_LB_CONFIG_FILE
+           sudo sed -i -e "s/^#connection = mysql$/connection = mysql/g" $QUANTUM_LB_CONFIG_FILE
+           sudo sed -i -e "s/^user = .*$/user = $MYSQL_USER/g" $QUANTUM_LB_CONFIG_FILE
+           sudo sed -i -e "s/^pass = .*$/pass = $MYSQL_PASSWORD/g" $QUANTUM_LB_CONFIG_FILE
+           sudo sed -i -e "s/^host = .*$/host = $MYSQL_HOST/g" $QUANTUM_LB_CONFIG_FILE
+       else
+           sudo sed -i -e "s/^sql_connection =.*$/sql_connection = mysql:\/\/$MYSQL_USER:$MYSQL_PASSWORD@$MYSQL_HOST\/quantum_linux_bridge?charset=utf8/g" $QUANTUM_LB_CONFIG_FILE
+       fi
+
        screen_it q-agt "sleep 4; sudo python $QUANTUM_DIR/quantum/plugins/linuxbridge/agent/linuxbridge_quantum_agent.py $QUANTUM_LB_CONFIG_FILE -v"
     fi
 fi