autossh mysql

#!/bin/bash
# autossh init file for mysql perso
#
# chkconfig: - 81 81
# description: autossh port forward mysql 3307 to 3306
#
# processname: /usr/bin/autossh
# pidfile: /var/run/autossh_mysql_perso.pid

### BEGIN INIT INFO
# Provides: autossh
# Required-Start: $local_fs $network
# Required-Stop: $local_fs $network
# Should-Start:
# Should-Stop:
# Default-Start:
# Default-Stop:
# Short-Description: start and stop autossh to mysql server
# Description: autossh tunnel to mysql server
### END INIT INFO

RETVAL=0
prog="autossh"
binary=/usr/bin/autossh
pidfile=/var/run/autossh_mysql_perso.pid

start() {
        [ -x $binary ] || exit 5
        echo -n $"Starting $prog: "
        autossh -M 0 -q -f -N -o "Port 52001" -o "ServerAliveInterval 60" -o "ServerAliveCountMax 3" -L 3307:localhost:3306 host.domain.tld
        RETVAL=$?
        if [ $RETVAL -eq 0 ]; then
                touch /var/lock/subsys/autossh_mysql_perso
                ps -eaf | grep -v grep | grep "autossh" | grep "3307:localhost:3306" | awk '{print $2}' >${pidfile}
        fi
        echo
        return $RETVAL
}

stop() {
        echo -n $"Stopping $prog: "
        killproc -p $pidfile $binary
        RETVAL=$?
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/autossh_mysql_perso
        echo
        return $RETVAL
}

restart(){
        stop
        start
}

condrestart(){
    [ -e /var/lock/subsys/autossh_mysql_perso ] && restart
    return 0
}

case "$1" in
  start)
        start
        RETVAL=$?
        ;;
  stop)
        stop
        RETVAL=$?
        ;;
  restart)
        restart
        RETVAL=$?
        ;;
  condrestart|try-restart)
        condrestart
        RETVAL=$?
        ;;
  status)
        status autossh
        RETVAL=$?
        ;;
  *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart}"
        RETVAL=2
esac

exit $RETVAL