MaxScale/maxscale-system-test/mysqlmon_failover_no_slaves.cpp
2018-09-10 12:29:00 +03:00

69 lines
2.3 KiB
C++

/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2022-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include "testconnections.h"
#include "fail_switch_rejoin_common.cpp"
int main(int argc, char** argv)
{
interactive = strcmp(argv[argc - 1], "interactive") == 0;
Mariadb_nodes::require_gtid(true);
TestConnections test(argc, argv);
delete_slave_binlogs(test);
basic_test(test);
MYSQL* conn = test.maxscales->open_rwsplit_connection(0);
if (!generate_traffic_and_check(test, conn, 5))
{
return test.global_result;
}
// Make all three slaves ineligible for promotion in different ways.
test.repl->connect();
MYSQL** nodes = test.repl->nodes;
// Slave 1. Just stop slave.
test.try_query(nodes[1], "STOP SLAVE;");
// Slave 2. Disable binlog.
test.repl->stop_node(2);
test.repl->stash_server_settings(2);
test.repl->disable_server_setting(2, "log-bin");
test.repl->start_node(2, (char*) "");
// Slave 3. Stop this slave as well. The monitor is quick to turn failover off it a slave has another
// slave connection or if a slave connection is not using gtid, so those situations are hard to test.
// This may change later when failover support for such situations is added, so add a more interesting
// test for node 3 then.
test.try_query(nodes[3], "STOP SLAVE");
test.maxscales->wait_for_monitor();
get_output(test);
test.tprintf(LINE);
test.tprintf("Stopping master. Failover should not happen.");
test.repl->block_node(0);
test.maxscales->wait_for_monitor();
get_output(test);
int master_id = get_master_server_id(test);
test.expect(master_id == -1, "Master was promoted even when no slave was eligible.");
test.repl->unblock_node(0);
// Restore normal settings.
test.try_query(nodes[1], "START SLAVE;");
test.repl->stop_node(2);
test.repl->restore_server_settings(2);
test.repl->start_node(2, (char*) "");
test.try_query(nodes[3], "START SLAVE;");
test.repl->fix_replication();
return test.global_result;
}