mariadb/mysql-test/suite/galera_3nodes/t/galera_pc_weight.test

#
# 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/wait_until_connected_again.inc
--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;
--source include/wait_until_connected_again.inc

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;
--source include/wait_until_connected_again.inc

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');