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MXS-1514: Fix failover test

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Current failover code better detects weird situations and refuses to work in one.
The test server slaves have events far ahead of the master in their binlogs,
causing the failover to stop. To fix this, slave binlogs are now deleted when
a test begins.
This commit is contained in:
Esa Korhonen 2017-12-07 16:03:11 +02:00
parent b29a8eb4f8
commit 1ae05f0487
1 changed files with 11 additions and 0 deletions
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11
maxscale-system-test/failover_mysqlmon_mrm.cpp
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@ -103,6 +103,14 @@ void fix_replication_create_table(TestConnections& test)
get_output(test);
}
void delete_slave_binlogs(TestConnections& test)
{
const char RESET[] = "RESET MASTER;";
execute_query(test.repl->nodes[1], RESET);
execute_query(test.repl->nodes[2], RESET);
execute_query(test.repl->nodes[3], RESET);
}
int main(int argc, char** argv)
{
const char* LINE = "------------------------------------------";
@ -126,6 +134,7 @@ int main(int argc, char** argv)
get_output(test);
// Test 1
delete_slave_binlogs(test);
test.tprintf("Test 1: Stopping master and waiting for failover. Check that another server is promoted.\n"
"%s", LINE);
get_input();
@ -143,6 +152,7 @@ int main(int argc, char** argv)
test.repl->connect();
// Test 2
delete_slave_binlogs(test);
test.tprintf("Test 2: Disable replication on server 2 and kill master, check that server 3 or 4 is "
"promoted.\n%s", LINE);
get_input();
@ -164,6 +174,7 @@ int main(int argc, char** argv)
// Test 3
delete_slave_binlogs(test);
test.tprintf("Test3: Shutdown two slaves (servers 2 and 4). Disable log_bin on server 2, making it "
"invalid for promotion. Enable log-slave-updates on servers 2 and 4. Check that server 4 is "
"promoted on master failure.\n%s", LINE);