MySQL Cluster ndb_mgmd process init start script

ndb_mgmd.sh

#!/bin/bash

# chkconfig: 345 99 30
# description: ndb_mgmd start/stop script

### BEGIN INIT INFO
# Provides:             ndb_mgmd start/stop
# Required-Start:       $local_fs $network $remote_fs
# Required-Stop:        $local_fs $network $remote_fs
# Default-Start:        3 4 5
# Default-Stop:         0 1 6
# Short-Description:    ndb_mgmd start/stop script
### END INIT INFO

NODEID=1
basename=`basename $0`
LOG=/var/log/ndb_mgmd_start.log
CONFIGINI=<%=data_dir%>/config.ini
SBINDIR=<%=mysql_basedir%>/bin
PIDFILE=<%=data_dir%>/mgm_data/ndb_$NODEID.pid
TEE="/usr/bin/tee -a $LOG"
DATE=`date "+%Y-%m-%d %H:%M:%S"`
OPTIONS=" --ndb-nodeid=${NODEID} --config-file=$CONFIGINI --reload --config-cache=0"
PROGNAME="ndb_mgmd"
STARTNDBD="$SBINDIR/$PROGNAME $OPTIONS"
LOCKFILE=""
if [ -d /var/lock/subsys ]; then
  LOCKFILE=/var/lock/subsys/$basename
else
  LOCKFILE=/var/lock/$basename
fi
if [ -e /etc/init.d/functions ]; then
  . /etc/init.d/functions
else
  . /lib/lsb/init-functions
fi
if [ ! -f $SBINDIR/$PROGNAME ]; then
  echo -e "$PROGNAME executable not found in $SBINDIR"|$TEE
  exit 1
fi
RETVAL=0
start() {
    echo -e "$DATE: Starting $PROGNAME $OPTIONS !" |$TEE
    PID=`pgrep -f "$PROGNAME.+ndb-nodeid=$NODEID"`
    if [ -n "$PID" ]; then
        echo -e "$PROGNAME is already running with pid $PID\n" |$TEE
        return 0
    else
      $STARTNDBD $OPTIONS|$TEE
      RETVAL=$?
      [ $RETVAL -eq 0 ] && /bin/touch $LOCKFILE
      sleep 3
      PID=`pgrep -f "$PROGNAME.+ndb-nodeid=$NODEID"`
      if [ "$PID" ]; then
        echo -e "OK: Success to start $PROGNAME \n" | $TEE
          return 0
      else
        echo -e "Error: Failed to start $PROGNAME \n" | $TEE
          return 1
      fi
     fi
}
stop() {
    echo -e "$DATE: Stopping $PROGNAME : "|$TEE
    PID=`pgrep -f "$PROGNAME.+ndb-nodeid=$NODEID"`
    if [ -n "$PID" ]; then
       pkill -15 -f "$PROGNAME.+ndb-nodeid=$NODEID"
    else
      `rm -f ${PIDFILE}`
      `rm -f ${LOCKFILE}`
      echo -e "Error: Failed $PROGNAME not running !\n" | $TEE
      return 1
    fi
    i=1
    while [ `pgrep -f "$PROGNAME.+ndb-nodeid=$NODEID"` ];
    do
       if [ $i -eq 60 ]; then
        echo -e "giving up after 60 secods\n"| $TEE
         return 0
       fi
       i=`expr $i + 1`
       sleep 1
    done
    PID=`pgrep '$PROGNAME'`
    if [ -n "$PID" ]; then
      echo -e "Error: Failed $PROGNAME not running\n" | $TEE
       return 1
    else
      `rm -f ${PIDFILE}`
      echo -e "OK: Success to stop $PROGNAME\n" | $TEE
      return 0
    fi
}
case $1 in
  start)
        start
        RETVAL=$?
        ;;
  stop)
        stop
        RETVAL=$?
        ;;
  status)
        status -p $PIDFILE $PROGNAME
        RETVAL=$?
        ;;
  restart)
        stop
        start
        RETVAL=$?
        ;;
  *)
     echo "Usage: $basename {start|stop|restart|status}"
     exit 1
     ;;
esac
exit $RETVAL