Files
MaxScale/maxscale-system-test/mysqlmon_failover_no_slaves.cpp
Esa Korhonen ff2048625b MXS-2652 Add test
Test case added to an existing test.
2019-09-06 10:12:16 +03:00

136 lines
4.2 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.
*/
// MXS-2652: https://jira.mariadb.org/browse/MXS-2652
#include "testconnections.h"
#include "fail_switch_rejoin_common.cpp"
using std::string;
namespace
{
void expect_maintenance(TestConnections& test, std::string server_name, bool value);
void expect_running(TestConnections& test, std::string server_name, bool value);
const string running = "Running";
const string down = "Down";
const string maint = "Maintenance";
}
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*) "");
test.maxscales->wait_for_monitor();
// Slave 3. Set node to maintenance, then shut it down. Simultaneously check issue
// MXS-2652: Maintenance flag should persist when server goes down & comes back up.
int server_ind = 3;
int server_num = server_ind + 1;
string server_name = "server" + std::to_string(server_num);
expect_maintenance(test, server_name, false);
if (test.ok())
{
test.maxscales->ssh_node_f(0, true, "maxadmin set server %s maintenance", server_name.c_str());
test.maxscales->wait_for_monitor();
expect_running(test, server_name, true);
expect_maintenance(test, server_name, true);
test.repl->stop_node(server_ind);
test.maxscales->wait_for_monitor();
expect_running(test, server_name, false);
expect_maintenance(test, server_name, true);
test.repl->start_node(server_ind);
test.maxscales->wait_for_monitor();
expect_running(test, server_name, true);
expect_maintenance(test, server_name, true);
}
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.maxscales->ssh_node_f(0, true, "maxadmin clear server %s maintenance", server_name.c_str());
test.repl->fix_replication();
return test.global_result;
}
namespace
{
void expect_running(TestConnections& test, std::string server_name, bool value)
{
auto states = test.get_server_status(server_name.c_str());
if (value)
{
test.expect(states.count(running) == 1, "'%s' is not running when it should be.",
server_name.c_str());
}
else
{
test.expect(states.count(down) == 1, "'%s' is not down when it should be.",
server_name.c_str());
}
}
void expect_maintenance(TestConnections& test, std::string server_name, bool value)
{
auto states = test.get_server_status(server_name.c_str());
if (value)
{
test.expect(states.count(maint) == 1, "'%s' is not in maintenance when it should be.",
server_name.c_str());
}
else
{
test.expect(states.count(maint) == 0, "'%s' is in maintenance when it should not be.",
server_name.c_str());
}
}
}