MXS-1568 Rolling restart of slaves

- Regular master/slave setup.
- Each slave is in turn taken down and restarted.
- Checked that the slave state changes accordingly.

maxscale-system-test/cnf/maxscale.cnf.template.mysqlmon_failover_rolling_restart_slaves

@@ -0,0 +1,92 @@
+[maxscale]
+threads=###threads###
+
+[MySQL-Monitor]
+type=monitor
+module=mysqlmon
+servers= server1, server2, server3, server4
+user=maxskysql
+passwd= skysql
+monitor_interval=1000
+allow_cluster_recovery=true
+detect_standalone_master=true
+auto_failover=true
+auto_rejoin=true
+replication_user=repl
+replication_password=repl
+backend_connect_timeout=1
+
+[RW-Split-Router]
+type=service
+router= readwritesplit
+servers=server1, server2, server3, server4
+user=maxskysql
+passwd=skysql
+
+[Read-Connection-Router-Slave]
+type=service
+router=readconnroute
+router_options= slave
+servers=server1, server2, server3, server4
+user=maxskysql
+passwd=skysql
+
+[Read-Connection-Router-Master]
+type=service
+router=readconnroute
+router_options=master
+servers=server1, server2, server3, server4
+user=maxskysql
+passwd=skysql
+
+[RW-Split-Listener]
+type=listener
+service=RW-Split-Router
+protocol=MySQLClient
+port=4006
+
+[Read-Connection-Listener-Slave]
+type=listener
+service=Read-Connection-Router-Slave
+protocol=MySQLClient
+port=4009
+
+[Read-Connection-Listener-Master]
+type=listener
+service=Read-Connection-Router-Master
+protocol=MySQLClient
+port=4008
+
+[CLI]
+type=service
+router=cli
+
+[CLI Listener]
+type=listener
+service=CLI
+protocol=maxscaled
+socket=default
+
+[server1]
+type=server
+address=###node_server_IP_1###
+port=###node_server_port_1###
+protocol=MySQLBackend
+
+[server2]
+type=server
+address=###node_server_IP_2###
+port=###node_server_port_2###
+protocol=MySQLBackend
+
+[server3]
+type=server
+address=###node_server_IP_3###
+port=###node_server_port_3###
+protocol=MySQLBackend
+
+[server4]
+type=server
+address=###node_server_IP_4###
+port=###node_server_port_4###
+protocol=MySQLBackend