--source include/galera_cluster.inc --source include/have_innodb.inc # Check that `wsrep_allowlist` variable is loaded SELECT COUNT(*) = 3 FROM mysql.wsrep_allowlist; --connection node_2 # Check that non-bootstrap nodes doesn't populate `mysql.wsrep_allowlist` SELECT COUNT(*) = 3 FROM mysql.wsrep_allowlist; --let $galera_connection_name = node_3 --let $galera_server_number = 3 --source include/galera_connect.inc --connection node_3 # Desync and disconnect node 3 from the PC: SET @@global.wsrep_desync = 1; SET SESSION wsrep_sync_wait = 0; SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1'; --connection node_1 # Wait until node 3 disappears from the PC: --let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; --source include/wait_condition.inc # Delete node ip (127.0.0.3) from allowlist DELETE FROM mysql.wsrep_allowlist WHERE ip LIKE '127.0.0.3'; SELECT COUNT(*) = 2 FROM mysql.wsrep_allowlist; --connection node_2 SELECT COUNT(*) = 2 FROM mysql.wsrep_allowlist; --connection node_3 # Reconnect node 2 to the PC: SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0'; # We should reach Primary with cluster size = 1 because of `pc.ignore_quorum=TRUE and pc.wait_prim=FALSE` used in configuration --let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; --source include/wait_condition.inc # Resync should pass: SET @@global.wsrep_desync = 0; # Shutdown node --source include/shutdown_mysqld.inc --connection node_1 # Allow node 3 could be reconnected to cluster INSERT INTO mysql.wsrep_allowlist(ip) VALUES ('127.0.0.3'); --connection node_3 --source include/start_mysqld.inc --source include/wait_until_connected_again.inc --connection node_1 --let $wait_condition = SELECT VARIABLE_VALUE = 3 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; --source include/wait_condition.inc CALL mtr.add_suppression('WSREP: Connection not allowed'); --connection node_2 CALL mtr.add_suppression('WSREP: Connection not allowed'); --connection node_3 CALL mtr.add_suppression('WSREP: Ignoring lack of quorum');