102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2020-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include "fail_switch_rejoin_common.cpp"
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#include <iostream>
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using std::string;
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using std::cout;
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using std::endl;
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int main(int argc, char** argv)
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{
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interactive = strcmp(argv[argc - 1], "interactive") == 0;
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Mariadb_nodes::require_gtid(true);
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TestConnections test(argc, argv);
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int ec;
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MYSQL* maxconn = test.maxscales->open_rwsplit_connection(0);
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// Set up test table
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basic_test(test);
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// Delete binlogs to sync gtid:s
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delete_slave_binlogs(test);
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char result_tmp[bufsize];
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// Advance gtid:s a bit to so gtid variables are updated.
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generate_traffic_and_check(test, maxconn, 10);
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sleep(1);
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test.tprintf(LINE);
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print_gtids(test);
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get_input();
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cout << "Stopping master and waiting for failover. Check that another server is promoted." << endl;
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const int old_master_id = get_master_server_id(test); // Read master id now before shutdown.
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const int master_index = test.repl->master;
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test.repl->stop_node(master_index);
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sleep(10);
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// Recreate maxscale session
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mysql_close(maxconn);
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maxconn = test.maxscales->open_rwsplit_connection(0);
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get_output(test);
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int master_id = get_master_server_id(test);
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cout << "Master server id is " << master_id << endl;
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const bool failover_ok = (master_id > 0 && master_id != old_master_id);
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test.assert(failover_ok, "Master did not change or no master detected.");
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string gtid_final;
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if (failover_ok)
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{
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cout << "Sending more inserts." << endl;
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generate_traffic_and_check(test, maxconn, 5);
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sleep(1);
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if (find_field(maxconn, GTID_QUERY, GTID_FIELD, result_tmp) == 0)
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{
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gtid_final = result_tmp;
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}
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print_gtids(test);
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cout << "Bringing old master back online..." << endl;
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test.repl->start_node(master_index, (char*) "");
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sleep(5);
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test.repl->connect();
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get_output(test);
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test.tprintf("and manually rejoining it to cluster.");
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const char REJOIN_CMD[] = "maxadmin call command mariadbmon rejoin MySQL-Monitor server1";
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test.maxscales->ssh_node_output(0, REJOIN_CMD , true, &ec);
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sleep(2);
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get_output(test);
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string gtid_old_master;
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if (find_field(test.repl->nodes[master_index], GTID_QUERY, GTID_FIELD, result_tmp) == 0)
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{
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gtid_old_master = result_tmp;
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}
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cout << LINE << "\n";
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print_gtids(test);
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cout << LINE << "\n";
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test.assert(gtid_final == gtid_old_master, "Old master did not successfully rejoin the cluster.");
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// Switch master back to server1 so last check is faster
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int ec;
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test.maxscales->ssh_node_output(0, "maxadmin call command mysqlmon switchover "
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"MySQL-Monitor server1 server2" , true, &ec);
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sleep(5); // Wait for monitor to update status
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get_output(test);
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master_id = get_master_server_id(test);
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test.assert(master_id == old_master_id, "Switchover back to server1 failed.");
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}
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else
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{
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test.repl->start_node(master_index, (char*) "");
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sleep(10);
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}
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test.repl->fix_replication();
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return test.global_result;
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}
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