#!/bin/sh
#
# chkconfig: - 80 20
#
# description:	The start/stop script for MySQL/MariaDB - \
#	very fast and reliable SQL database engine.
#
# processname: mysqld
# pidfile: /var/lib/mysql/mysqld.pid
### BEGIN INIT INFO
# Provides:       mysqld
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start:  3 5
# Default-Stop:
# Short-Description: Start the MySQL/MariaDB database server
# Description:    Start the MySQL/MariaDB database server
### END INIT INFO

WITHOUT_RC_COMPAT=1

# Source function library.
. /etc/init.d/functions

LOCKFILE="/var/lock/subsys/mysqld"
PIDFILE="/var/lib/mysql/mysqld.pid"
RETVAL=0

SourceIfNotEmpty /etc/sysconfig/mysqld

[ -z "$OPT" ] && OPT=""
[ -z "$WSREP_NEW_CLUSTER" ] && WSREP_NEW_CLUSTE=""

adjust()
{
	# Initiate databases.
	/usr/sbin/mysql_install_db

	action "Adjusting environment for mysqld:" /etc/chroot.d/mysql.all
	RETVAL=$?
	return $RETVAL
}

stop_wait()
{
    for (( i=$1; $i>0; i=(($i-1)) )); do
        start-stop-daemon --stop --name mysqld --pidfile "$PIDFILE" --user mysql --test >/dev/null 2>&1 || return
	printf '%5s' "$i"
	sleep 1
	printf "\b\b\b\b\b     \b\b\b\b\b"
    done
    return 255
}


start()
{
	adjust || return
	start_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -- safe_mysqld $OPT $WSREP_NEW_CLUSTE
	RETVAL=$?
	return $RETVAL
}

stop()
{
	echo -n "Sending TERM signal to mysqld: "
	stop_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -TERM -- mysqld

	echo -n "Waiting for mysqld to actually shut down: "
	stop_wait 300
	RETVAL=$?

	if [ $RETVAL == 255 ]; then
	    echo_failure
	    echo
	    stop_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -- mysqld
	    RETVAL=$?
	    return $RETVAL
	else
	    echo_success
	    echo
	    return $RETVAL
	fi
	return $RETVAL
}

restart()
{
	stop
	start
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	new-cluster)
		WSREP_NEW_CLUSTE=" --wsrep-new-cluster"
		echo -n "Starting new galera cluster: "
		start
		;;
	stop)
		stop
		;;
	restart|reload)
		restart
		;;
	adjust)
		adjust
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	status)
		status --pidfile "$PIDFILE" --expect-user mysql mysqld
		RETVAL=$?
		;;
	extendedstatus)
		if [ "$EUID" = 0 ]; then
			if [ -e "$LOCKFILE" ]; then
				mysqladmin status
			else
				$0 status
			fi
		else
				mysqladmin status	# may bark if mysqld is down
		fi
		;;
	*)
		msg_usage "${0##*/} {start|stop|reload|restart|condstop|condrestart|adjust|status|extendedstatus|new-cluster}"
		RETVAL=1
esac

exit $RETVAL
