@ all variables and some empty character removal

templates/jenkins-slave.erb

@@ -15,23 +15,23 @@ LOCK_FILE=/var/lock/jenkins-slave
 
 slave_start() {
   echo Starting Jenkins Slave...
-  runuser - <%= slave_user -%> -c 'java -jar <%= slave_home -%>/<%= client_jar -%> <%= ui_user_flag -%> <%= ui_pass_flag -%> -name <%= fqdn -%> -executors <%= executors -%> <%= masterurl_flag -%> <%= labels_flag -%> &'
-  pgrep -f -u <%= slave_user -%> <%= client_jar -%> > $PID_FILE
+  runuser - <%= @slave_user -%> -c 'java -jar <%= @slave_home -%>/<%= @client_jar -%> <%= ui_user_flag -%> <%= @ui_pass_flag -%> -name <%= @fqdn -%> -executors <%= @executors -%> <%= masterurl_flag -%> <%= @labels_flag -%> &'
+  pgrep -f -u <%= @slave_user -%> <%= @client_jar -%> > $PID_FILE
   RETVAL=$?
   [ $RETVAL -eq 0 ] && touch $LOCK_FILE
 }
 slave_stop() {
   echo Stopping Jenkins Slave...
   pid=`cat $PID_FILE`
 
-  killproc -p $PID_FILE 
-  
+  killproc -p $PID_FILE
+
   # Wait until the monitor exits
   while (checkpid $pid)
   do
       usleep 100000
   done
-  
+
   RETVAL=$?
   [ $RETVAL -eq 0 ] && rm -f $LOCK_FILE
 }
@@ -40,7 +40,7 @@ slave_restart() {
   echo Restarting Jenkins Slave...
   slave_stop
   slave_start
-  
+
   RETVAL=$?
   [ $RETVAL -eq 0 ] && touch $LOCK_FILE
 }