MaxScale/maxscale-system-test/failover_mysqlmon.cpp
Markus Mäkelä 2856b91077
Sync slaves before starting the test
Syncing the slaves should guarantee that the table exists on all servers.
2018-03-13 15:17:18 +02:00

79 lines
2.7 KiB
C++

/**
* @file failover_mysqlmon.cpp MySQL Monitor Failover Test
* - block all nodes, but one
* - wait for minitor (monitor_interval)
* - check maxadmin output
* - check that queries work
* - unblock backend nodes
* - wait for monitor
* - check that we are still using the last node to which we failed over to and that the old nodes are in maintenance mode
*/
#include <iostream>
#include "testconnections.h"
int main(int argc, char *argv[])
{
TestConnections * test = new TestConnections(argc, argv);
test->tprintf(" Create the test table and insert some data ");
test->connect_maxscale();
test->try_query(test->conn_rwsplit, "CREATE OR REPLACE TABLE test.t1 (id int)");
test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
test->close_maxscale_connections();
test->repl->connect();
test->repl->sync_slaves();
test->tprintf(" Block all but one node ");
test->repl->block_node(0);
test->repl->block_node(1);
test->repl->block_node(2);
execute_query(test->repl->nodes[3], "STOP SLAVE;RESET SLAVE ALL;");
test->tprintf(" Wait for the monitor to detect it ");
sleep(15);
test->tprintf(" Connect and insert should work ");
char *output = test->ssh_maxscale_output(true, "maxadmin list servers");
test->tprintf("%s", output);
free(output);
test->connect_maxscale();
test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
test->close_maxscale_connections();
test->tprintf(" Unblock nodes ");
test->repl->unblock_node(0);
test->repl->unblock_node(1);
test->repl->unblock_node(2);
test->tprintf(" Wait for the monitor to detect it ");
sleep(15);
test->tprintf("Check that we are still using the last node to which we failed over "
"to and that the old nodes are in maintenance mode");
test->connect_maxscale();
test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
char maxscale_id[256], real_id[256];
find_field(test->conn_rwsplit, "SELECT @@server_id", "@@server_id", maxscale_id);
test->repl->connect();
find_field(test->repl->nodes[3], "SELECT @@server_id", "@@server_id", real_id);
test->add_result(strcmp(maxscale_id, real_id) != 0,
"@@server_id is different: %s != %s", maxscale_id, real_id);
test->close_maxscale_connections();
test->ssh_maxscale(true, "maxadmin clear server server1 maintenance");
test->ssh_maxscale(true, "maxadmin clear server server2 maintenance");
test->ssh_maxscale(true, "maxadmin clear server server3 maintenance");
test->repl->fix_replication();
test->tprintf(" Check that MaxScale is running ");
test->check_maxscale_alive();
int rval = test->global_result;
delete test;
return rval;
}