6a1aba70e7
The test checks that failover works even when the master of the monitored cluster is a slave to an external masters. The test also verifies that the servers do not get unexpected status labels.
115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
/**
|
|
* Test monitoring and failover with ignore_external_masters=true
|
|
*/
|
|
#include "testconnections.h"
|
|
|
|
#include <thread>
|
|
|
|
#define DOWN "Down"
|
|
#define RUNNING "Running"
|
|
#define MASTER "Master"
|
|
#define SLAVE "Slave"
|
|
|
|
const StringSet master_running = {MASTER, RUNNING};
|
|
const StringSet slave_running = {SLAVE, RUNNING};
|
|
const StringSet running = {RUNNING};
|
|
const StringSet down = {DOWN};
|
|
|
|
void check_status(TestConnections& test, const char* server, const StringSet& expected, const char* message)
|
|
{
|
|
StringSet state = test.get_server_status(server);
|
|
test.assert(state == expected, "%s: %s", message, dump_status(state, expected).c_str());
|
|
}
|
|
|
|
static bool is_running = true;
|
|
|
|
void writer_func(TestConnections* test)
|
|
{
|
|
while (is_running)
|
|
{
|
|
MYSQL* conn = open_conn(test->maxscales->rwsplit_port[0], test->maxscales->IP[0],
|
|
"test", "test", false);
|
|
|
|
for (int i = 0; i < 100; i++)
|
|
{
|
|
if (execute_query_silent(conn, "INSERT INTO test.t1 VALUES (SELECT SLEEP(0.5))"))
|
|
{
|
|
sleep(1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mysql_close(conn);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
Mariadb_nodes::require_gtid(true);
|
|
TestConnections test(argc, argv);
|
|
|
|
// Create a table and a user and start a thread that does writes
|
|
test.repl->connect();
|
|
execute_query(test.repl->nodes[0], "CREATE OR REPLACE TABLE test.t1 (id INT)");
|
|
execute_query(test.repl->nodes[0], "DROP USER IF EXISTS 'test'@'%%'");
|
|
execute_query(test.repl->nodes[0], "CREATE USER 'test'@'%%' IDENTIFIED BY 'test'");
|
|
execute_query(test.repl->nodes[0], "GRANT INSERT, SELECT, UPDATE, DELETE ON *.* TO 'test'@'%%'");
|
|
test.repl->sync_slaves();
|
|
std::thread thr(writer_func, &test);
|
|
|
|
test.tprintf("Start by having the current master replicate from the external server");
|
|
test.repl->connect();
|
|
test.repl->replicate_from(0, 3);
|
|
sleep(5);
|
|
check_status(test, "server1", master_running, "server1 should be the master");
|
|
check_status(test, "server2", slave_running, "server2 should be a slave");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
test.tprintf("Stop server1, expect server2 to be promoted as the master");
|
|
test.repl->stop_node(0);
|
|
sleep(10);
|
|
|
|
check_status(test, "server1", down, "server1 should be down");
|
|
check_status(test, "server2", master_running, "server2 should be the master");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
test.tprintf("Configure master-master replication between server2 and the external server");
|
|
test.repl->replicate_from(1, 3);
|
|
test.repl->replicate_from(3, 1);
|
|
sleep(10);
|
|
check_status(test, "server2", master_running, "server2 should still be the master");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
test.tprintf("Start server1, expect it to rejoin the cluster");
|
|
test.repl->start_node(0);
|
|
sleep(10);
|
|
check_status(test, "server1", slave_running, "server1 should be a slave");
|
|
check_status(test, "server2", master_running, "server2 should still be the master");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
test.tprintf("Stop server2, expect server1 to be promoted as the master");
|
|
test.repl->stop_node(1);
|
|
test.repl->connect();
|
|
test.repl->replicate_from(0, 3);
|
|
test.repl->replicate_from(3, 0);
|
|
sleep(10);
|
|
|
|
check_status(test, "server1", master_running, "server1 should be the master");
|
|
check_status(test, "server2", down, "server2 should be down");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
test.tprintf("Start server2, expect it to rejoin the cluster");
|
|
test.repl->start_node(1);
|
|
sleep(10);
|
|
check_status(test, "server1", master_running, "server1 should still be the master");
|
|
check_status(test, "server2", slave_running, "server2 should be a slave");
|
|
check_status(test, "server3", slave_running, "server3 should be a slave");
|
|
|
|
// Cleanup
|
|
is_running = false;
|
|
thr.join();
|
|
execute_query(test.repl->nodes[0], "STOP SLAVE; RESET SLAVE ALL;");
|
|
|
|
return test.global_result;
|
|
}
|