openwrt-packages-dist/utils/mariadb/files/mysqld.init

#!/bin/sh /etc/rc.common
# Copyright (C) 2010-2018 OpenWrt.org

START=95
STOP=10

USE_PROCD=1

#PROCD_DEBUG=1

MYSQLD=mysqld

DEFAULT=/etc/default/$MYSQLD
LOGGER="/usr/bin/logger -p user.err -s -t $MYSQLD"
PROG=/usr/bin/$MYSQLD

unset MY_ARGS MY_GROUP MY_USER

[ -f $DEFAULT ] && . $DEFAULT

my_user="${MY_USER:-mariadb}"
my_group="${MY_GROUP:-mariadb}"

start_service() {
	local conf='/etc/mysql/my.cnf'
	local datadir="$( sed -nE "s/^\s*datadir\s*=\s*('([^']*)'|\x22([^\x22]*)\x22|(.*\S))\s*$/\2\3\4/p" "$conf" )"

	[ -d "$datadir" ] || {
		$LOGGER "datadir '$datadir' in '$conf' does not exist"
		return 1
	}

	[ -f "$datadir/mysql/tables_priv.MYD" ] || {
		$LOGGER "cannot detect privileges table, you might need to"
		$LOGGER "run 'mysql_install_db --force' to initialize the system tables"
		return 1
	}

	mkdir -p /var/lib/mysql
	chown "$my_user":"$my_group" /var/lib/mysql

	mkdir -p /var/run/mysqld
	chown "$my_user":"$my_group" /var/run/mysqld

	procd_open_instance

	procd_set_param command $PROG $MY_ARGS
	procd_set_param pidfile /var/run/mysqld.pid
	# forward stderr to logd
	procd_set_param stderr 1

	procd_close_instance
}