#!/bin/bash

MYSQLD_ROOT="/var/lib/mysql"
# source application-specific settings
[ -f /etc/conf.d/mysqld ] && . /etc/conf.d/mysqld

# general config
. /etc/rc.conf
. /etc/rc.d/functions

getPID() {
   if [ -f $MYSQLD_ROOT/$HOSTNAME.pid ]; then
       echo `pidof -o %PPID /usr/sbin/mysqld`;
   fi
}

if [ ! `egrep '^mysql:' /etc/group` ]; then
  stat_busy "Adding mysql group"
  groupadd -g 89 mysql
  stat_done
fi
if [ ! `egrep '^mysql:' /etc/passwd` ]; then
  stat_busy "Adding mysql user"
  useradd -u 89 -g mysql -d $MYSQLD_ROOT -s /bin/false mysql
  [ -d $MYSQLD_ROOT ] && chown -R mysql:mysql $MYSQLD_ROOT
  stat_done
fi

if [ ! -d $MYSQLD_ROOT ]; then
  mkdir $MYSQLD_ROOT
  /usr/bin/mysql_install_db --datadir=$MYSQLD_ROOT --user=mysql
  chown -R mysql:mysql $MYSQLD_ROOT
fi

case "$1" in
  start)
    stat_busy "Starting MySQL"
    if [ -z "$(getPID)" ]; then
       /usr/bin/mysqld_safe --datadir=$MYSQLD_ROOT &>/dev/null &
      if [ $? -gt 0 ]; then
        stat_fail
        exit 1
      else
        timeo=30
        while [ $timeo -gt 0 ]; do
          response=`/usr/bin/mysqladmin -uUNKNOWN_USER ping 2>&1` && break
          echo "$response" | grep -q "mysqld is alive" && break
          sleep 1
          let timeo=${timeo}-1
        done
        if [ $timeo -eq 0 ]; then
          stat_fail
          exit 1
        else
          echo $(getPID) >/var/run/mysqld.pid
          add_daemon mysqld
          stat_done
        fi
      fi
    else
      stat_fail
      exit 1
    fi
    ;;

  stop)
    stat_busy "Stopping MySQL"
    if [ ! -z "$(getPID)" ]; then
      kill $(getPID) &> /dev/null
      if [ $? -gt 0 ]; then
        stat_fail
        exit 1
      else
        rm -f /var/run/mysqld.pid &>/dev/null
        rm_daemon mysqld
        stat_done
      fi
    else
      stat_fail
      exit 1
    fi
    ;;

  restart)
    $0 stop
    sleep 3
    $0 start
    ;;
  *)
    echo "usage: $0 {start|stop|restart}"
esac
exit 0