start

#!/bin/bash -e

QCOMM=""
MYSQL_MODE_ARGS=""

# wait for services to startup
sleep 10

case "$1" in
	seed)
		# bootstrapping
		if [ ! -f /var/lib/mysql/skip-cluster-bootstrapping ]; then
			mysql_install_db
			if [ -z "$MYSQL_ROOT_PASSWORD" ]; then
				MYSQL_ROOT_PASSWORD=$(openssl rand -base64 32)
				echo "MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD"
			fi

			cat >/tmp/bootstrap.sql <<EOF
CREATE USER 'xtrabackup'@'127.0.0.1' IDENTIFIED BY '$XTRABACKUP_PASSWORD';
CREATE USER 'xtrabackup'@'localhost' IDENTIFIED BY '$XTRABACKUP_PASSWORD';
GRANT RELOAD,LOCK TABLES,REPLICATION CLIENT ON *.* TO 'xtrabackup'@'127.0.0.1';
GRANT RELOAD,LOCK TABLES,REPLICATION CLIENT ON *.* TO 'xtrabackup'@'localhost';
CREATE USER 'clustercheck'@'127.0.0.1' IDENTIFIED BY '$CLUSTERCHECK_PASSWORD';
GRANT PROCESS ON *.* TO 'clustercheck'@'127.0.0.1';
CREATE USER 'root'@'%' IDENTIFIED BY '$MYSQL_ROOT_PASSWORD';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;
FLUSH PRIVILEGES;
EOF
			MYSQL_MODE_ARGS+=" --init-file=/tmp/bootstrap.sql"
			touch /var/lib/mysql/skip-cluster-bootstrapping

			echo -n "Bootstrapping cluster. "
		fi

		MYSQL_MODE_ARGS+=" --wsrep-new-cluster"

		shift 1
		echo "Starting seed node"
		;;
	node)
		if [ -z "$2" ]; then
			echo "Missing master node address"
			exit 1
		fi
		ADDRS="$2"
		SEP=""
		for ADDR in ${ADDRS//,/ }; do
			if expr "$ADDR" : '^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$' >/dev/null; then
				QCOMM+="$SEP$ADDR"
			else
				QCOMM+="$SEP$(host -t A "$ADDR" | awk '{ print $4 }' | awk NF | paste -sd ",")"
			fi
			SEP=,
		done

		chown mysql:mysql /var/lib/mysql

		shift 2
		echo "Starting node, connecting to qcomm://$QCOMM"
		;;
	*)
		echo "seed|node <othernode>,..."
		exit 1
esac

# start processes
set +e -m

function shutdown () {
	echo Shutting down
	test -s /var/run/mysql/mysqld.pid && kill -TERM $(cat /var/run/mysql/mysqld.pid)
}
trap shutdown TERM INT

/usr/sbin/mysqld \
	$MYSQL_MODE_ARGS \
	--wsrep_cluster_name="$CLUSTER_NAME" \
	--wsrep_cluster_address="gcomm://$QCOMM" \
	--wsrep_sst_auth="xtrabackup:$XTRABACKUP_PASSWORD" \
	--default-time-zone="+05:00" \
	"$@" 2>&1 &
wait $!
RC=$?

exit $RC