create database mydb default character set utf8 collate utf8_bin;
grant all on mydb.* to 'cloud'@'%' identified by 'passwd' with grant option;
or
CREATE USER 'cloud'@'%' IDENTIFIED BY 'passwd';
grant all on mydb.* to 'cloud'@'%' with grant option;
flush privileges;
mysql mydb < mydb.sql
rabbitmqctl add_user rabbitmq rabbitmq
rabbitmqctl set_user_tags rabbitmq administrator
rabbitmqctl set_permissions -p "/" rabbitmq ".*" ".*" ".*"
rabbitmqctl list_permissions -p /
rabbitmq-plugins enable rabbitmq_management