# # Check the handling of @@wsrep_cluster_address # --source include/galera_cluster.inc --source include/have_innodb.inc # # Set to invalid value # --connection node_1 --let $wsrep_cluster_address_node1 = `SELECT @@wsrep_cluster_address` SET GLOBAL wsrep_cluster_address = 'foo://'; # With wsrep_sync_wait, this returns an error #--error ER_LOCK_WAIT_TIMEOUT #SHOW STATUS; SET SESSION wsrep_sync_wait=0; --error ER_UNKNOWN_COM_ERROR SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS; # Must return 'OFF' SHOW STATUS LIKE 'wsrep_ready'; # Must return 'Non-primary' SHOW STATUS LIKE 'wsrep_cluster_status'; # Must return 0 = 'Initialized' SHOW STATUS LIKE 'wsrep_local_state'; SHOW STATUS LIKE 'wsrep_local_state_comment'; --connection node_2 --sleep 1 # Node #2 thinks that it is now part of a single-node primary cluster SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status'; # # Reset everything as it was # --connection node_1 --disable_query_log --eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_node1'; --enable_query_log --connection node_2 SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address; --source include/wait_until_connected_again.inc --connection node_1 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status'; SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; # # Set to invalid host # --connection node_1 SET GLOBAL wsrep_cluster_address = 'gcomm://192.0.2.1'; --error ER_UNKNOWN_COM_ERROR SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS; # Must return 'OFF' SHOW STATUS LIKE 'wsrep_ready'; # Must return 'Non-primary' SHOW STATUS LIKE 'wsrep_cluster_status'; # Must return 0 = 'Initialized' SHOW STATUS LIKE 'wsrep_local_state'; SHOW STATUS LIKE 'wsrep_local_state_comment'; # # Reset everything as it was # --connection node_1 --disable_query_log --eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_node1'; --enable_query_log --connection node_2 SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address; --sleep 1 --connection node_1 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status'; SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';