mysql:master-infoConfigure a MySQL replication slave with information about the master.
url: Connection url.master_hostname: Host name or address of the Replication Master.replication_username: The name of the user account which will perform replication.replication_password: Password for the replication user.--log-name: Recorded binary log file name. Can be omitted when the master has not yet been started with biary logging enabled.--log-position: Recorded binary log file position. Can be omitted when the master has not yet been started with biary logging enabled.