/** * @file kill_master.cpp Checks Maxscale behaviour in case if Master node is blocked * * - Connect to RWSplit * - block Mariadb server on Master node by Firewall * - try simple query *show processlist" expecting failure, but not a crash * - check if Maxscale is alive * - reconnect and check if query execution is ok */ #include "testconnections.h" int main(int argc, char *argv[]) { TestConnections * Test = new TestConnections(argc, argv); Test->set_timeout(20); Test->tprintf("Connecting to RWSplit %s\n", Test->maxscale_IP); Test->connect_rwsplit(); Test->set_timeout(30); Test->tprintf("Setup firewall to block mysql on master\n"); Test->repl->block_node(0); Test->tprintf("Trying query to RWSplit, expecting failure, but not a crash\n"); Test->set_timeout(30); execute_query(Test->conn_rwsplit, (char *) "show processlist;"); Test->set_timeout(30); Test->tprintf("Setup firewall back to allow mysql\n"); Test->repl->unblock_node(0); Test->stop_timeout(); sleep(10); Test->set_timeout(30); Test->tprintf("Reconnecting and trying query to RWSplit\n"); Test->connect_rwsplit(); Test->try_query(Test->conn_rwsplit, (char *) "show processlist;"); Test->close_rwsplit(); Test->check_maxscale_alive(); int rval = Test->global_result; delete Test; return rval; }