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MXS-2325 Add test case

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Tests that a disabled event is not enabled.
This commit is contained in:
Esa Korhonen 2019-03-08 16:18:06 +02:00
parent 14890cb232
commit a3af8ffdd0
1 changed files with 109 additions and 31 deletions
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140
maxscale-system-test/mysqlmon_fail_switch_events.cpp
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@ -22,6 +22,12 @@ const char EVENT_SHCEDULER[] = "SET GLOBAL event_scheduler = %s;";
const char USE_TEST[] = "USE test;";
const char DELETE_EVENT[] = "DROP EVENT %s;";
const char EV_STATE_ENABLED[] = "ENABLED";
const char EV_STATE_DISABLED[] = "DISABLED";
const char EV_STATE_SLAVE_DISABLED[] = "SLAVESIDE_DISABLED";
const char WRONG_MASTER_FMT[] = "%s is not master as expected. Current master id: %i.";
int read_incremented_field(TestConnections& test)
{
int rval = -1;
@ -137,12 +143,57 @@ bool check_event_status(TestConnections& test, int node,
else
{
rval = true;
cout << "Event '" << event_name << "' is '" << status << "' as it should.\n";
cout << "Event '" << event_name << "' is '" << status << "' on node " << node <<
" as it should.\n";
}
}
return rval;
}
void set_event_state(TestConnections& test, const string& event_name, const string& new_state)
{
bool success = false;
test.maxscales->connect_maxscale(0);
MYSQL* conn = test.maxscales->conn_rwsplit[0];
const char query_fmt[] = "ALTER EVENT %s %s;";
if ((test.try_query(conn, USE_TEST) == 0)
&& (test.try_query(conn, query_fmt, event_name.c_str(), new_state.c_str()) == 0))
{
success = true;
}
test.expect(success, "ALTER EVENT failed: %s", mysql_error(conn));
if (success)
{
cout << "Event '" << event_name << "' set to '" << new_state << "'.\n";
}
}
void switchover(TestConnections& test, const string& new_master)
{
string switch_cmd = "call command mysqlmon switchover MySQL-Monitor " + new_master;
test.maxscales->execute_maxadmin_command_print(0, switch_cmd.c_str());
test.maxscales->wait_for_monitor(2);
// Check success.
auto new_master_status = test.get_server_status(new_master.c_str());
auto new_master_id = test.get_master_server_id();
string status_string;
for (auto elem : new_master_status)
{
status_string += elem + ", ";
}
bool success = (new_master_status.count("Master") == 1);
test.expect(success,
"%s is not master as expected. Status: %s. Current master id: %i",
new_master.c_str(), status_string.c_str(), new_master_id);
if (success)
{
cout << "Switchover success, " + new_master + " is new master.\n";
}
}
int main(int argc, char** argv)
{
Mariadb_nodes::require_gtid(true);
@ -154,10 +205,17 @@ int main(int argc, char** argv)
// Schedule a repeating event.
create_event(test);
int server1_ind = 0;
int server2_ind = 1;
int server1_id = test.repl->get_server_id(server1_ind);
const char* server_names[] = {"server1", "server2", "server3", "server4"};
auto server1_name = server_names[server1_ind];
auto server2_name = server_names[server2_ind];
int master_id_begin = test.get_master_server_id();
int node0_id = test.repl->get_server_id(0);
test.expect(master_id_begin == node0_id,
"First server is not the master: master id: %i", master_id_begin);
test.expect(master_id_begin == server1_id, WRONG_MASTER_FMT, server1_name, master_id_begin);
// If initialisation failed, fail the test immediately.
if (test.global_result != 0)
@ -167,8 +225,8 @@ int main(int argc, char** argv)
}
// Part 1: Do a failover
cout << "Step 1: Stop master and wait for failover. Check that another server is promoted.\n";
test.repl->stop_node(0);
cout << "\nStep 1: Stop master and wait for failover. Check that another server is promoted.\n";
test.repl->stop_node(server1_ind);
test.maxscales->wait_for_monitor(3);
get_output(test);
int master_id_failover = test.get_master_server_id();
@ -187,21 +245,21 @@ int main(int argc, char** argv)
}
// Part 2: Start node 0, let it join the cluster and check that the event is properly disabled.
cout << "Step 2: Restart node 0. It should join the cluster.\n";
test.repl->start_node(0);
cout << "\nStep 2: Restart " << server1_name << ". It should join the cluster.\n";
test.repl->start_node(server1_ind);
test.maxscales->wait_for_monitor(4);
get_output(test);
const char server_name[] = "server1";
auto states = test.get_server_status(server_name);
auto states = test.get_server_status(server1_name);
if (states.count("Slave") < 1)
{
test.expect(false, "%s is not a slave as expected. Status: %s",
server_name, string_set_to_string(states).c_str());
server1_name, string_set_to_string(states).c_str());
}
else
{
// Old master joined as slave, check that event is disabled.
check_event_status(test, 0, EVENT_NAME, "SLAVESIDE_DISABLED");
check_event_status(test, server1_ind, EVENT_NAME, EV_STATE_SLAVE_DISABLED);
}
if (test.global_result != 0)
@ -212,29 +270,49 @@ int main(int argc, char** argv)
// Part 3: Switchover back to server1 as master. The event will most likely not run because the old
// master doesn't have event scheduler on anymore.
cout << "Step 3: Switchover back to server1. Check that event is enabled. Don't check that the "
"event is running since the scheduler process is likely off.\n";
string switch_cmd = "call command mysqlmon switchover MySQL-Monitor server1";
test.maxscales->execute_maxadmin_command_print(0, switch_cmd.c_str());
test.maxscales->wait_for_monitor(1);
get_output(test);
// Check success.
int master_id_switchover = test.get_master_server_id();
test.expect(master_id_switchover == node0_id,
"server1 is not master as expected. Current master: %i.", master_id_switchover);
check_event_status(test, 0, EVENT_NAME, "ENABLED");
if (test.global_result != 0)
cout << "\nStep 3: Switchover back to " << server1_name << ". Check that event is enabled. "
"Don't check that the event is running since the scheduler process is likely off.\n";
switchover(test, server1_name);
if (test.ok())
{
try_delete_event(test);
return test.global_result;
check_event_status(test, server1_ind, EVENT_NAME, EV_STATE_ENABLED);
}
// Check that all other nodes are slaves.
for (int i = 1; i < test.repl->N; i++)
// Part 4: Disable the event on master. The event should still be "SLAVESIDE_DISABLED" on slaves.
// Check that after switchover, the event is not enabled.
cout << "\nStep 4: Disable event on master, switchover to " << server2_name << ". "
"Check that event is still disabled.\n";
if (test.ok())
{
string server_name = "server" + std::to_string(i + 1);
auto states = test.maxscales->get_server_status(server_name.c_str());
test.expect(states.count("Slave") == 1, "%s is not a slave.", server_name.c_str());
set_event_state(test, EVENT_NAME, "DISABLE");
test.maxscales->wait_for_monitor(); // Wait for the monitor to detect the change.
check_event_status(test, server1_ind, EVENT_NAME, EV_STATE_DISABLED);
check_event_status(test, server2_ind, EVENT_NAME, EV_STATE_SLAVE_DISABLED);
if (test.ok())
{
cout << "Event is disabled on master and slaveside-disabled on slave.\n";
switchover(test, server2_name);
if (test.ok())
{
// Event should not have been touched.
check_event_status(test, server2_ind, EVENT_NAME, EV_STATE_SLAVE_DISABLED);
}
// Switchover back.
switchover(test, server1_name);
}
}
if (test.ok())
{
// Check that all other nodes are slaves.
for (int i = 1; i < test.repl->N; i++)
{
string server_name = server_names[i];
auto states = test.maxscales->get_server_status(server_name.c_str());
test.expect(states.count("Slave") == 1, "%s is not a slave.", server_name.c_str());
}
}
try_delete_event(test);