94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/**
|
|
* MXS-359: Switch master mid-session
|
|
*
|
|
* https://jira.mariadb.org/browse/MXS-359
|
|
*/
|
|
#include <maxtest/testconnections.hh>
|
|
|
|
TestConnections* global_test;
|
|
|
|
void change_master(int next, int current)
|
|
{
|
|
TestConnections& test = *global_test;
|
|
test.maxscales->ssh_node_f(0, true, "maxadmin shutdown monitor MySQL-Monitor");
|
|
test.repl->connect();
|
|
test.repl->change_master(current, next);
|
|
test.repl->close_connections();
|
|
test.maxscales->ssh_node_f(0, true, "maxadmin restart monitor MySQL-Monitor");
|
|
}
|
|
|
|
struct Test
|
|
{
|
|
const char* query;
|
|
bool should_work;
|
|
|
|
Test(const char* q = NULL, bool works = true)
|
|
: query(q)
|
|
, should_work(works)
|
|
{
|
|
}
|
|
};
|
|
|
|
void do_test(Test pre, Test post)
|
|
{
|
|
TestConnections& test = *global_test;
|
|
int rc;
|
|
test.maxscales->connect();
|
|
|
|
if (pre.query)
|
|
{
|
|
rc = execute_query_silent(test.maxscales->conn_rwsplit[0], pre.query);
|
|
test.expect((rc == 0) == pre.should_work,
|
|
"Expected query '%s' to %s: %s",
|
|
pre.query,
|
|
pre.should_work ? "succeed" : "fail",
|
|
mysql_error(test.maxscales->conn_rwsplit[0]));
|
|
}
|
|
|
|
change_master(1, 0);
|
|
sleep(5);
|
|
|
|
rc = execute_query_silent(test.maxscales->conn_rwsplit[0], post.query);
|
|
test.expect((rc == 0) == post.should_work,
|
|
"Expected query '%s' to %s: %s",
|
|
post.query,
|
|
post.should_work ? "succeed" : "fail",
|
|
mysql_error(test.maxscales->conn_rwsplit[0]));
|
|
|
|
change_master(0, 1);
|
|
test.maxscales->disconnect();
|
|
|
|
sleep(5);
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
TestConnections test(argc, argv);
|
|
global_test = &test;
|
|
|
|
// Prepare a table for testing
|
|
test.maxscales->connect();
|
|
test.try_query(test.maxscales->conn_rwsplit[0], "CREATE OR REPLACE TABLE test.t1(id INT)");
|
|
test.repl->sync_slaves();
|
|
test.maxscales->disconnect();
|
|
|
|
test.tprintf("Check that write after change works");
|
|
do_test({}, {"INSERT INTO test.t1 VALUES (1)"});
|
|
|
|
test.tprintf("Check that write with open transaction fails");
|
|
do_test({"START TRANSACTION"}, {"INSERT INTO test.t1 VALUES (1)", false});
|
|
|
|
test.tprintf("Check that read with open read-only transaction works");
|
|
do_test({"START TRANSACTION READ ONLY"}, {"SELECT 1"});
|
|
|
|
test.tprintf("Check that write with autocommit=0 fails");
|
|
do_test({"SET autocommit=0"}, {"INSERT INTO test.t1 VALUES (1)", false});
|
|
|
|
test.maxscales->connect();
|
|
test.try_query(test.maxscales->conn_rwsplit[0], "DROP TABLE test.t1");
|
|
test.repl->fix_replication();
|
|
test.maxscales->disconnect();
|
|
|
|
return test.global_result;
|
|
}
|