Make avrorouter testing faster

The slave part of the binlogrouter replication can be ignored for
avrorouter tests. This will speed up the testing by skipping the
unnecessary restarting and configuration of slave servers.

maxscale-system-test/testconnections.cpp

@@ -954,6 +954,44 @@ int TestConnections::start_binlog()
     return global_result;
 }
 
+bool TestConnections::replicate_from_master()
+{
+    bool rval = true;
+
+    /** Stop the binlogrouter */
+    MYSQL* conn = open_conn_no_db(binlog_port, maxscale_IP, repl->user_name, repl->password, ssl);
+
+    if (execute_query(conn, "stop slave"))
+    {
+        rval = false;
+    }
+    mysql_close(conn);
+
+    /** Clean up MaxScale directories */
+    prepare_binlog();
+    ssh_maxscale(true, "service maxscale restart");
+
+    char log_file[256] = "";
+    char log_pos[256] = "4";
+
+    repl->execute_query_all_nodes("STOP SLAVE");
+    repl->connect();
+    execute_query(repl->nodes[0], "RESET MASTER");
+
+    conn = open_conn_no_db(binlog_port, maxscale_IP, repl->user_name, repl->password, ssl);
+
+    if (find_field(repl->nodes[0], "show master status", "File", log_file) ||
+        repl->set_slave(conn, repl->IP[0], repl->port[0], log_file, log_pos) ||
+        execute_query(conn, "start slave"))
+    {
+        rval = false;
+    }
+
+    mysql_close(conn);
+
+    return rval;
+}
+
 int TestConnections::start_mm()
 {
     int i;