Merge pull request #31 from 2600hz/tmpfs

added configurable definition to prepare() for performance

system/sbin/kazoo-kamailio

@@ -29,15 +29,38 @@ prepare() {
 	mkdir -p /var/run/kamailio
 	chown -R ${USER} /var/run/kamailio
 	if [ -e ${PID_FILE} ]; then
-		rm -rf ${PID_FILE}
+	rm -rf ${PID_FILE}
 	fi
+	if ram_disk_enabled; then
+		if ! mount_point_exists; then 
+			if [ -f /etc/kazoo/kamailio/kazoo.db ]; then
+				mv /etc/kazoo/kamailio/db /etc/kazoo/kamailio/db-backup
+			fi
+			mount -t tmpfs -o size=256m tmpfs /etc/kazoo/kamailio/db
+			if [ -f /etc/kazoo/kamailio/db-backup/kazoo.db ]; then
+				cp -a /etc/kazoo/kamailio/db-backup/* /etc/kazoo/kamailio/db/
+			fi
+		fi
+	fi	
 	if [ ! -f /etc/kazoo/kamailio/db/kazoo.db ]; then
 		KazooDB -init /etc/kazoo/kamailio/kazoodb.sql
 	fi
-        chown -R ${USER} /etc/kazoo/kamailio/db
+	chown -R ${USER} /etc/kazoo/kamailio/db
 	RETVAL=$?
 }
 
+ram_disk_enabled() {
+	grep -e "^\s*enable_ram_disk\s*=\s*true" /etc/kazoo/kamailio/local.cfg &> /dev/null
+	return $?
+}
+
+mount_point_exists() {
+	mount | grep /etc/kazoo/kamailio/db &> /dev/null 
+	return $?
+}
+
+
+
 start() {
 	cd ${HOME}
 
@@ -62,6 +85,11 @@ start() {
 stop() {
 	killall ${BIN_FILE}
 	RETVAL=$?
+	if mount_point_exists; then 
+		if [ -f /etc/kazoo/kamailio/kazoo.db ]; then
+			mv /etc/kazoo/kamailio/db /etc/kazoo/kamailio/db-backup
+		fi
+	fi
 }
 
 restart() {