mariadb/mysql-test/suite/galera/t/galera_ist_restart_joiner.test

#
# Test that a joiner performing IST can be killed and restarted with no adverse consequences.
# This is achieved by using the recv_IST_after_apply_trx Galera dbug sync point to block IST after 
# one transaction has been applied. When IST blocks, we kill and restart the joiner
#

--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_debug_sync.inc
--source suite/galera/include/galera_have_debug_sync.inc
# This could cause out of storage if run /dev/shm
--source include/big_test.inc

# Save original auto_increment_offset values.
--let $node_1=node_1
--let $node_2=node_2
--source include/auto_increment_offset_save.inc

CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));
INSERT INTO t1 VALUES (1, 'a'), (2, 'a'), (3, 'a'), (4, 'a'), (5, 'a'),(6, 'a');

# Disconnect node #2
--connection node_2
--source suite/galera/include/galera_unload_provider.inc

--connection node_1
UPDATE t1 SET f2 = 'b' WHERE f1 > 1;

# Wait until node #1 has left
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc

UPDATE t1 SET f2 = 'c' WHERE f1 > 2;

--connection node_2
# Write file to make mysql-test-run.pl expect the crash, but don't start it
--let $_server_id= `SELECT @@server_id`
--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
--exec echo "wait" > $_expect_file_name

--let KILL_NODE_PIDFILE = `SELECT @@pid_file`

# ... and restart provider to force IST
--echo Loading wsrep_provider ...
--disable_query_log
# base_port setting is lost for some reason when unloading provider, so we need to restore it
--eval SET GLOBAL wsrep_provider_options= 'base_port=$NODE_GALERAPORT_2';
--eval SET GLOBAL wsrep_provider = '$wsrep_provider_orig';
# Make sure IST will block ...
--let $galera_sync_point = recv_IST_after_apply_trx
--source include/galera_set_sync_point.inc
--eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_orig';
--enable_query_log

SET SESSION wsrep_on=OFF;
--let $wait_condition = SELECT VARIABLE_VALUE = 'recv_IST_after_apply_trx' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_debug_sync_waiters';
--source include/wait_condition.inc
SET SESSION wsrep_on=ON;

--connection node_1
# Perform DML while IST is in progress
UPDATE t1 SET f2 = 'd' WHERE f1 > 3;

# Kill node #2 while IST is in progress
--connection node_2

# Kill the connected server
--disable_reconnect

--perl
        my $pid_filename = $ENV{'KILL_NODE_PIDFILE'};
        my $mysqld_pid = `cat $pid_filename`;
        chomp($mysqld_pid);
        system("kill -9 $mysqld_pid");
        exit(0);
EOF

--source include/wait_until_disconnected.inc

--connection node_1
--source include/wait_until_connected_again.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc

# Perform DML while node #2 is down
UPDATE t1 SET f2 = 'e' WHERE f1 > 4;

--connection node_2

--let $galera_wsrep_recover_server_id=2
--source suite/galera/include/galera_wsrep_recover.inc

--echo Starting server ...
--source include/start_mysqld.inc

--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc

--connection node_1
UPDATE t1 SET f2 = 'f' WHERE f1 > 5;
SELECT * FROM t1;

--connection node_2
SELECT * FROM t1;

--connection node_1
DROP TABLE t1;

# Restore original auto_increment_offset values.
--source include/auto_increment_offset_restore.inc

--source include/galera_end.inc