#!/bin/bash 

# setup env if needed. java 6 required
## JAVA_HOME=
  
############################## DO NOT EDIT BELOW ##########################

SNAME="Os Controller"
PNAME=openstack-controller-controller
CLASS=org.openecomp.ncomp.servers.openstack.OsOpenStackControllerServer

############################## COMMON BELOW ##########################

check_status ()
{
    if [ -f "${_PIDFILE}" ]; then
        _PID=`cat "${_PIDFILE}"`
        check_status_of_pid $_PID
    else
        _STATUS="$SNAME (no pidfile) is NOT running"
        _RUNNING=0
    fi
}


check_status_of_pid ()
{
    if [ -n "$1" ] && kill -0 $1 2>/dev/null ; then
        _STATUS="$SNAME (pid $1) is running"
        _RUNNING=1
    else
        _STATUS="$SNAME (pid $1) is NOT running"
        _RUNNING=0
    fi
}


check_status_of_pid ()
{
    if [ -n "$1" ] && kill -0 $1 2>/dev/null ; then
        _STATUS="$SNAME (pid $1) is running"
        _RUNNING=1
    else
        _STATUS="$SNAME (pid $1) is NOT running"
        _RUNNING=0
    fi
}

remove_pid_file ()
{
   if [ -f "${_PIDFILE}" ]; then
      rm "${_PIDFILE}"
   fi
}


_DIR=`dirname "$0"`
_DIR=`dirname "$_DIR"`

_PIDFILE=$_DIR/PID

CMD=$1
shift

check_status

CP=$(find $_DIR/lib/*/* -name \*.jar 2>/dev/null | xargs -I X printf ":%s" X)

JVMARGS=$(grep 'server.jvmargs' $_DIR/config/openstack.properties | sed -e 's/.*=//')

case $CMD in 
  status)
    echo $_STATUS
    exit 0
    ;;
  console)
    $GROOVY_HOME/bin/groovysh -cp $_DIR/config:$_DIR/lib:$_DIR/lib/\*:$CP 
    ;;
  run)
    $JAVA_HOME/bin/java -cp $_DIR/config:$_DIR/lib:$_DIR/lib/\*:$CP "$@"
    ;;
  groovy)
    $GROOVY_HOME/bin/groovy -cp $_DIR/config:$_DIR/lib:$_DIR/lib/\*:$CP "$@"
    ;;
   start)
    if [ "$_RUNNING" = "1" ]; then
      echo $_STATUS
      exit 0
    fi
    mkdir -p $_DIR/logs
    if [ -e $_DIR/logs/$PNAME.out.1 ]; then mv $_DIR/logs/$PNAME.out.1 $_DIR/logs/$PNAME.out.2; fi
    if [ -e $_DIR/logs/$PNAME.err.1 ]; then mv $_DIR/logs/$PNAME.err.1 $_DIR/logs/$PNAME.err.2; fi
    if [ -e $_DIR/logs/$PNAME.out ]; then mv $_DIR/logs/$PNAME.out $_DIR/logs/$PNAME.out.1; fi
    if [ -e $_DIR/logs/$PNAME.err ]; then mv $_DIR/logs/$PNAME.err $_DIR/logs/$PNAME.err.1; fi

    nohup $JAVA_HOME/bin/java $JVMARGS -cp $_DIR/config:$_DIR/lib:$_DIR/lib/\*:$CP "$@" $CLASS >> $_DIR/logs/$PNAME.out 2>> $_DIR/logs/$PNAME.err  &

    _PID=$!
    echo $_PID > $_PIDFILE
    sleep 5
    check_status
    echo $_STATUS
    if [ "$_RUNNING" = "1" ]; then
       exit 0
    else
       echo "Failed to start - make sure the $SNAME is fully configured properly"
       exit 1
    fi
    ;;
  stop)
    if [ "$_RUNNING" = "0" ]; then
       echo $_STATUS
       remove_pid_file
       exit 0
    fi
    echo "Stopping $SNAME..."
    _PID_TO_KILL=$_PID;
    echo "$SNAME (pid=${_PID_TO_KILL}) is stopping..."
    kill -TERM $_PID_TO_KILL
    sleep 5
    check_status_of_pid $_PID_TO_KILL
    if [ "$_RUNNING" = "1" ]; then
       kill -TERM $_PID_TO_KILL
    fi
    while [ "$_RUNNING" = "1" ]; do
       sleep 2
       check_status_of_pid $_PID_TO_KILL
    done
    remove_pid_file
    echo "$SNAME has stopped."
    exit 0
    ;;
  *)
    echo "$0 start|stop"
    ;;
esac