#!/bin/sh

# $FreeBSD: head/databases/mariadb55-server/files/mysql-server.in 361647 2014-07-12 22:42:33Z rakuco $
#
# PROVIDE: mysql
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable mysql:
# mysql_(instance_)?enable (bool):	Set to "NO" by default.
#			Set it to "YES" to enable MySQL.
# mysql_(instance_)?limits (bool):	Set to "NO" by default.
#			Set it to yes to run `limits -e -U mysql`
#			just before mysql starts.
# mysql_(instance_)?dbdir (str):	Default to "/var/db/mysql"
#			Base database directory.
# mysql_(instance_)?args (str):	Custom additional arguments to be passed
#			to mysqld_safe (default empty).
# mysql_(instance_)?pidfile (str): Custum PID file path and name.
#			Default to "${mysql_dbdir}/${hostname}.pid".
# mysql_(instance_)?user (str): User to run mysqld as
#			Default to "mysql" created by the port
# mysql_(instance_)?optfile (str): Server-specific option file.
#			Default to "${mysql_dbdir}/my.cnf".
# mysql_instances (str): Set to "" by default. 
#			If defined, list of instances to enable

. /etc/rc.subr

name="mysql"
rcvar=mysql_enable

load_rc_config $name

: ${mysql_enable="NO"}
: ${mysql_limits="NO"}
: ${mysql_user="mysql"}
: ${mysql_limits_args="-e -U $mysql_user"}
: ${mysql_dbdir="/var/db/mysql"}
: ${mysql_optfile="${mysql_dbdir}/my.cnf"}

command="/usr/sbin/daemon"
procname="%%PREFIX%%/libexec/mysqld"
start_precmd="${name}_prestart"
start_postcmd="${name}_poststart"

if [ -n "$2" ]; then
	instance="$2"
	load_rc_config ${name}_${instance}
	case "$mysql_instances" in
	"$2 "*|*" $2 "*|*" $2"|"$2")
		eval mysql_args="\${mysql_${instance}_args:-\"${mysql_args}\"}"
		eval mysql_dbdir="\${mysql_${instance}_dbdir:-\"/var/db/mysql_${instance}\"}"
		eval mysql_limits="\${mysql_${instance}_limits:-\"${mysql_limits}\"}"
		eval mysql_user="\${mysql_${instance}_user:-\"${mysql_user}\"}"
		eval mysql_limits_args="\${mysql_${instance}_limits_args:-\"-e -U $mysql_user\"}"
		eval mysql_optfile="\${mysql_${instance}_optfile:-\"${mysql_dbdir}/my.cnf\"}"
		eval mysql_pidfile="\${mysql_${instance}_pidfile:-\"${mysql_dbdir}/`/bin/hostname`.pid\"}"
	;;
	*)
		err 1 "$2 not found in mysql_instances" ;;
	esac
else
	if [ -n "${mysql_instances}" -a -n "$1" ]; then
		for instance in ${mysql_instances}; do
			eval _enable="\${mysql_${instance}_enable}"
			case "${_enable:-${mysql_enable}}" in
			[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
				continue
			;;
			[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
			;;
			*)
				if [ -z "$_enable" ]; then
					_var=mysql_enable
				else
					_var=mysql_${instance}_enable
				fi
				warn "Bad value" \
					"'${_enable:-${mysql_enable}}'" \
					"for ${_var}. " \
					"Instance ${instance} skipped."
				continue
			;;
			esac
			echo "===> mysql instance: ${instance}"
			if %%PREFIX%%/etc/rc.d/mysql-server $1 ${instance}; then
				success="${instance} ${success}"
			else
				failed="${instance} (${retcode}) ${failed}"
			fi
		done
		exit 0
	else
		mysql_pidfile=${mysql_pidfile:-"${mysql_dbdir}/`/bin/hostname`.pid"}
	fi
fi

pidfile=$mysql_pidfile
mysql_install_db="%%PREFIX%%/bin/mysql_install_db"
mysql_install_db_args="--basedir=%%PREFIX%% --datadir=${mysql_dbdir} --force"
command_args="-c -f %%PREFIX%%/bin/mysqld_safe --defaults-extra-file=${mysql_optfile} --user=${mysql_user} --datadir=${mysql_dbdir} --pid-file=${pidfile} ${mysql_args}"

mysql_create_auth_tables()
{
	eval $mysql_install_db $mysql_install_db_args
        [ $? -eq 0 ] && chown -R ${mysql_user}:$(id -gn $mysql_user) ${mysql_dbdir}
}

mysql_prestart()
{
	local dir
	for dir in /etc /etc/mysql; do
		if [ -f "${dir}/my.cnf" ]; then
			echo "Please move existing my.cnf file from ${dir} to %%PREFIX%%${dir}"
			return 1
		fi
	done
	if [ ! -d "${mysql_dbdir}/mysql/." ]; then
		mysql_create_auth_tables || return 1
	fi
	if checkyesno mysql_limits; then
		eval `/usr/bin/limits ${mysql_limits_args:-"-e -U $mysql_user"}` 2>/dev/null
	else
		return 0
	fi
}

mysql_poststart()
{
	local timeout=15
	while [ ! -f "${pidfile}" -a ${timeout} -gt 0 ]; do
		timeout=$(( timeout - 1 ))
		sleep 1
	done
	return 0
}

run_rc_command "$1"