Fixup for MDEV-27553

Update wsrep-lib which contains a fixup introduced with MDEV-27553.
Also, adapt the corresponding test: after apply failure on ROLLBACK,
node will disconnect from cluster

Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>

3 files changed, 75 insertions, 15 deletions

diff --git a/mysql-test/suite/galera_sr/r/MDEV-27553.result b/mysql-test/suite/galera_sr/r/MDEV-27553.result
index f6f81bd13f1..5a6a5bd4956 100644
--- a/mysql-test/suite/galera_sr/r/MDEV-27553.result
+++ b/mysql-test/suite/galera_sr/r/MDEV-27553.result
@@ -1,23 +1,36 @@
 connection node_2;
 connection node_1;
-CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
 connection node_1;
+connection node_2;
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
+connection node_2;
 SET SESSION wsrep_trx_fragment_size=1;
 START TRANSACTION;
 INSERT INTO t1 VALUES (1);
+SELECT COUNT(*) `Expect 1` FROM mysql.wsrep_streaming_log;
+Expect 1
+1
 SET @@global.debug_dbug="+d,ha_index_init_fail";
 ROLLBACK;
-connection node_2;
+connection node_1;
+SET SESSION wsrep_sync_wait = 0;
 SELECT COUNT(*) `Expect 0` FROM mysql.wsrep_streaming_log;
 Expect 0
 0
-connection node_1;
+connection node_2;
 SET @@global.debug_dbug="";
+SET SESSION wsrep_sync_wait = 0;
 SELECT COUNT(*) `Expect 1` FROM mysql.wsrep_streaming_log;
 Expect 1
 1
-SET SESSION wsrep_on=OFF;
-DELETE FROM mysql.wsrep_streaming_log;
-SET SESSION wsrep_on=ON;
+connection node_2;
+SET GLOBAL wsrep_on=OFF;
+# restart
+SELECT COUNT(*) `Expect 0` FROM mysql.wsrep_streaming_log;
+Expect 0
+0
 DROP TABLE t1;
 CALL mtr.add_suppression("WSREP: Failed to init table for index scan");
+CALL mtr.add_suppression("WSREP: Failed to apply write set");
+CALL mtr.add_suppression("Failed to report last committed");
diff --git a/mysql-test/suite/galera_sr/t/MDEV-27553.test b/mysql-test/suite/galera_sr/t/MDEV-27553.test
index d17af175512..5c557db9201 100644
--- a/mysql-test/suite/galera_sr/t/MDEV-27553.test
+++ b/mysql-test/suite/galera_sr/t/MDEV-27553.test
@@ -5,29 +5,76 @@
 --source include/galera_cluster.inc
 --source include/have_debug.inc
 
+--let $node_1=node_1
+--let $node_2=node_2
+--source suite/galera/include/auto_increment_offset_save.inc
+
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+
 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
 
---connection node_1
---let $wsrep_cluster_address_orig = `SELECT @@wsrep_cluster_address`
+--connection node_2
 SET SESSION wsrep_trx_fragment_size=1;
 START TRANSACTION;
 INSERT INTO t1 VALUES (1);
-# This will result in failure to remove fragments
-# from streaming log, in the following ROLLBACK.
+SELECT COUNT(*) `Expect 1` FROM mysql.wsrep_streaming_log;
+
+#
+# Issue ROLLBACK and make sure it fails to clean up
+# the streaming log. Failure to remove fragments
+# results in apply failure of the rollback fragment.
+# The node should disconnect from the cluster.
+#
 SET @@global.debug_dbug="+d,ha_index_init_fail";
 ROLLBACK;
 
---connection node_2
+
+#
+# Expect the cluster to shrink
+#
+--connection node_1
+SET SESSION wsrep_sync_wait = 0;
+--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
+--source include/wait_condition.inc
+
+#
+# ROLLBACK should clean up the streaming log just fine in node 1
+#
 SELECT COUNT(*) `Expect 0` FROM mysql.wsrep_streaming_log;
 
 
---connection node_1
+#
+# Expect the failure on ROLLBACK to leave a entry in streaming log
+#
+--connection node_2
 SET @@global.debug_dbug="";
+SET SESSION wsrep_sync_wait = 0;
+# Expect node to be disconnected
+--let wait_condition = SELECT VARIABLE_VALUE = 'Disconnected' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
+--source include/wait_condition.inc
+
 SELECT COUNT(*) `Expect 1` FROM mysql.wsrep_streaming_log;
 
-SET SESSION wsrep_on=OFF;
-DELETE FROM mysql.wsrep_streaming_log;
-SET SESSION wsrep_on=ON;
+
+#
+# Restart node 2, so that it joins the cluster back
+#
+--connection node_2
+SET GLOBAL wsrep_on=OFF;
+--source include/restart_mysqld.inc
+
+#
+# After restart, the streaming log is empty in node 2
+#
+SELECT COUNT(*) `Expect 0` FROM mysql.wsrep_streaming_log;
+
+#
+# Cleanup
+#
 DROP TABLE t1;
 
 CALL mtr.add_suppression("WSREP: Failed to init table for index scan");
+CALL mtr.add_suppression("WSREP: Failed to apply write set");
+CALL mtr.add_suppression("Failed to report last committed");
+
+--source suite/galera/include/auto_increment_offset_restore.inc
diff --git a/wsrep-lib b/wsrep-lib
-Subproject edd141127c11d78ef073f9f3ca61708821f20b3
+Subproject 23fb8624624c9144c77f3874647fa0f7394b0aa