# # Test the pc.weight wsrep provider option. We set Node #1 to have a high weight and then # suspend it. This will cause Nodes #2 and #3 to transition to non-primary component. # --source include/big_test.inc --source include/galera_cluster.inc --source include/have_innodb.inc --connection node_1 SET GLOBAL wsrep_provider_options = 'pc.weight=3'; --source include/galera_suspend.inc --sleep 10 --connection node_2 # Do not wait for causality as we are no longer in the primary component SET SESSION wsrep_sync_wait=0; SET SESSION wsrep_on=OFF; --let $wait_condition = SELECT VARIABLE_VALUE = 'non-Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status' --source include/wait_condition.inc SET SESSION wsrep_on=ON; # We can not use SELECT queries here, as only SHOW is allowed to run. # For nodes #2 and #3, we expect a non-primary component of size 2 SHOW STATUS LIKE 'wsrep_cluster_size'; SHOW STATUS LIKE 'wsrep_cluster_status'; SHOW STATUS LIKE 'wsrep_connected'; SHOW STATUS LIKE 'wsrep_ready'; SHOW STATUS LIKE 'wsrep_local_state'; SHOW STATUS LIKE 'wsrep_local_state_comment'; --let $galera_connection_name = node_3 --let $galera_server_number = 3 --source include/galera_connect.inc --connection node_3 SET SESSION wsrep_sync_wait=0; SHOW STATUS LIKE 'wsrep_cluster_size'; SHOW STATUS LIKE 'wsrep_cluster_status'; SHOW STATUS LIKE 'wsrep_connected'; SHOW STATUS LIKE 'wsrep_ready'; SHOW STATUS LIKE 'wsrep_local_state'; SHOW STATUS LIKE 'wsrep_local_state_comment'; --connection node_1 --source include/galera_resume.inc --sleep 10 --source include/wait_until_connected_again.inc # For Node #1, we expect a primary component of size 1 --let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size' --source include/wait_condition.inc SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_connected'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready'; SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state'; SELECT VARIABLE_VALUE = 'Synced' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_comment'; SET GLOBAL wsrep_provider_options = 'pc.weight=1'; # Restore the cluster by resetting wsrep_cluster_address on nodes #1 and #2 --connection node_2 --disable_query_log --eval SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address; --enable_query_log SET SESSION wsrep_sync_wait=0; --source include/wait_until_connected_again.inc --connection node_3 --disable_query_log --eval SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address; --enable_query_log SET SESSION wsrep_sync_wait=0; --source include/wait_until_connected_again.inc # On all nodes, we now expect a Primary component of size 3, Synced and ready --connection node_1 --source include/wait_until_connected_again.inc SELECT VARIABLE_VALUE = 3 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'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_connected'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready'; SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state'; SELECT VARIABLE_VALUE = 'Synced' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_comment'; --connection node_2 SELECT VARIABLE_VALUE = 3 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'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_connected'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready'; SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state'; SELECT VARIABLE_VALUE = 'Synced' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_comment'; --connection node_3 SELECT VARIABLE_VALUE = 3 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'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_connected'; SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready'; SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state'; SELECT VARIABLE_VALUE = 'Synced' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_comment'; --connection node_1 SET GLOBAL wsrep_provider_options = 'pc.weight=1'; --let $wait_condition = SELECT @@wsrep_provider_options LIKE '%pc.weight = 1%' --source include/wait_condition.inc CALL mtr.add_suppression('WSREP: gcs_caused\\(\\) returned -1'); --connection node_2 CALL mtr.add_suppression('overriding reported weight for'); --connection node_3 CALL mtr.add_suppression('WSREP: user message in state LEAVING'); CALL mtr.add_suppression('sending install message failed: Transport endpoint is not connected'); CALL mtr.add_suppression('overriding reported weight for');