Merge branch 'dosire-gitlab_init_script'

Author: dzaporozhets

init.d/gitlab

@@ -16,42 +16,106 @@
 
 
 APP_ROOT="/home/gitlab/gitlab"
-DAEMON_OPTS="-c $APP_ROOT/config/unicorn.rb -E production -D"
+DAEMON_OPTS="-c $APP_ROOT/config/unicorn.rb -E production"
+PID_PATH="$APP_ROOT/tmp/pids"
+UNICORN_PID="$PID_PATH/unicorn.pid"
+RESQUE_PID="$PID_PATH/resque_worker.pid"
 NAME="unicorn"
 DESC="Gitlab service"
-PID="$APP_ROOT/tmp/pids/unicorn.pid"
-RESQUE_PID="$APP_ROOT/tmp/pids/resque_worker.pid"
+
+check_pid(){
+  if [ -f $UNICORN_PID ]; then
+    PID=`cat $UNICORN_PID`
+    STATUS=`ps aux | grep $PID | grep -v grep | wc -l`
+  else
+    STATUS=0
+    PID=0
+  fi
+}
+
+start() {
+  cd $APP_ROOT
+  check_pid
+  if [ "$PID" -ne 0 -a "$STATUS" -ne 0 ]; then
+    # Program is running, exit with error code 1.
+    echo "Error! $DESC $NAME is currently running!"
+    exit 1
+  else
+    if [ `whoami` = root ]; then
+      sudo -u gitlab -H sh -l -c "nohup bundle exec unicorn_rails $DAEMON_OPTS  > /dev/null  2>&1 &"
+      sudo -u gitlab -H sh -l -c "mkdir -p $PID_PATH && nohup bundle exec rake environment resque:work QUEUE=post_receive,mailer,system_hook RAILS_ENV=production PIDFILE=$RESQUE_PID  > /dev/null  2>&1 &"
+      echo "$DESC started"
+    fi
+  fi
+}
+
+stop() {
+  cd $APP_ROOT
+  check_pid
+  if [ "$PID" -ne 0 -a "$STATUS" -ne 0 ]; then
+    ## Program is running, stop it.
+    kill -QUIT `cat $UNICORN_PID`
+    kill -QUIT `cat $RESQUE_PID`
+    rm "$UNICORN_PID" >> /dev/null
+    rm "$RESQUE_PID" >> /dev/null
+    echo "$DESC stopped"
+  else
+    ## Program is not running, exit with error.
+    echo "Error! $DESC not started!"
+    exit 1
+  fi
+}
+
+restart() {
+  cd $APP_ROOT
+  check_pid
+  if [ "$PID" -ne 0 -a "$STATUS" -ne 0 ]; then
+    echo -n "Restarting $DESC: "
+    kill -USR2 `cat $UNICORN_PID`
+    kill -USR2 `cat $RESQUE_PID`
+    echo "$NAME."
+  else
+    echo "Error, $NAME not running!"
+    exit 1
+  fi
+}
+
+status() {
+  cd $APP_ROOT
+  check_pid
+  if [ "$PID" -ne 0 -a "$STATUS" -ne 0 ]; then
+    echo "$DESC with PID $PID is running."
+  else
+    echo "$DESC is not running."
+    exit 1
+  fi
+}
+
+## Check to see if we are running as root first.
+## Found at http://www.cyberciti.biz/tips/shell-root-user-check-script.html
+if [ "$(id -u)" != "0" ]; then
+    echo "This script must be run as root"
+    exit 1
+fi
 
 case "$1" in
   start)
-        CD_TO_APP_DIR="cd $APP_ROOT"
-        START_DAEMON_PROCESS="bundle exec unicorn_rails $DAEMON_OPTS"
-        START_RESQUE_PROCESS="./resque.sh"
-
-        echo -n "Starting $DESC: "
-        if [ `whoami` = root ]; then
-          sudo -u gitlab -H sh -l -c "$CD_TO_APP_DIR && $START_DAEMON_PROCESS && $START_RESQUE_PROCESS"
-        else
-          $CD_TO_APP_DIR && $START_DAEMON_PROCESS && $START_RESQUE_PROCESS
-        fi
-        echo "$NAME."
+        start
         ;;
   stop)
-        echo -n "Stopping $DESC: "
-        kill -QUIT `cat $PID`
-        kill -QUIT `cat $RESQUE_PID`
-        echo "$NAME."
+        stop
         ;;
   restart)
-        echo -n "Restarting $DESC: "
-        kill -USR2 `cat $PID`
-        echo "$NAME."
+        restart
         ;;
-  reload)
+  reload|force-reload)
         echo -n "Reloading $DESC configuration: "
         kill -HUP `cat $PID`
         echo "$NAME."
         ;;
+  status)
+        status
+        ;;
   *)
         echo "Usage: $NAME {start|stop|restart|reload}" >&2
         exit 1