Galera4

mysql-test/include/check-testcase.test

@@ -103,5 +103,56 @@ cat_file $datadir.tempfiles.txt;
 remove_file $datadir.tempfiles.txt;
 list_files $datadir/mysql #sql*;
 
+#
+# Check that SHOW ENGINE INNODB STATUS does not show any active transactions
+# We do this only if wsrep provider is loaded, to avoid disturbing any non-Galera MTR tests
+#
+if (`SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME = 'wsrep' AND PLUGIN_STATUS='ACTIVE'`) {
+  if (`SELECT @@wsrep_on`) {
+    if (`SELECT COUNT(*) FROM information_schema.innodb_trx WHERE trx_mysql_thread_id != 0`) {
+      if ($before) {
+        --echo Before test start.
+      }
+      if (!$before) {
+        --echo After test end.
+      }
+      --echo There is one or more active InnoDB transaction(s) when there should be none. Dumping some diagnostics.
+
+      --let $status_locks = `SELECT @@innodb_status_output_locks`
+      --let $status_output = `SELECT @@innodb_status_output`
+      --enable_query_log
+      SET GLOBAL innodb_status_output_locks=ON;
+      SHOW ENGINE INNODB STATUS;
+      --disable_query_log
+      --eval SET GLOBAL innodb_status_output_locks=$status_locks;
+      --eval SET GLOBAL innodb_status_output=$status_output;
+      --enable_query_log
+
+      --vertical_results
+      if ($before) {
+        --replace_regex /$/ /
+      }
+      SELECT * FROM information_schema.processlist;
+
+      if ($before) {
+        --replace_regex /$/ /
+      }
+      SELECT * FROM information_schema.innodb_trx;
+
+      if ($before) {
+        --replace_regex /$/ /
+      }
+      SELECT * FROM information_schema.innodb_locks;
+
+      if ($before) {
+        --replace_regex /$/ /
+      }
+      SELECT * FROM information_schema.innodb_lock_waits;
+      --horizontal_results
+      --disable_query_log
+    }
+  }
+}
+
 --enable_query_log
 

mysql-test/include/galera_cluster.inc

@@ -8,5 +8,11 @@
 
 --let $galera_cluster_size = 2
 --source include/galera_init.inc
-
 --source include/have_innodb.inc
+--source include/galera_wait_ready.inc
+
+--connection node_2
+--source include/galera_wait_ready.inc
+--source include/have_innodb.inc
+
+--connection node_1

mysql-test/include/galera_have_debug_sync.inc

@@ -0,0 +1,9 @@
+--disable_query_log
+
+--let $galera_have_debug_sync = `SELECT 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_debug_sync_waiters'`
+
+--if (!$galera_have_debug_sync) {
+	--skip "Test requires Galera debug library with debug_sync functionality"
+}
+
+--enable_query_log

mysql-test/include/galera_wait_sync_point.inc

@@ -1,6 +1,17 @@
 --let $wait_timeout = 10
 --let $wsrep_on_orig = `SELECT @@wsrep_on`
 SET SESSION wsrep_on = 0;
+
+#
+# following is only for debugging purposes
+# should be commented out when test wporks as planned
+#
+#--sleep 1
+# SHOW PROCESSLIST;
+#SHOW STATUS LIKE 'wsrep_%';
+#--echo $galera_sync_point
+
 --let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_debug_sync_waiters' AND VARIABLE_VALUE = '$galera_sync_point'
 --source include/wait_condition.inc
 --eval SET SESSION wsrep_on = $wsrep_on_orig
+

mysql-test/include/have_wsrep_enabled.inc

@@ -1,7 +1,6 @@
 # To be used in a test which requires wsrep plugin to be ACTIVE and enabled
 # (i.e. wsrep_on=ON). It includes have_wsrep.inc.
 
---source include/have_wsrep.inc
 --source include/have_innodb.inc
 
 if (`SELECT COUNT(*)=0 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME = 'wsrep_on' AND VARIABLE_VALUE='ON'`)

mysql-test/include/kill_galera.inc

@@ -0,0 +1,20 @@
+--echo Killing server ...
+
+# 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
+
+# Kill the connected server
+--disable_reconnect
+--let KILL_NODE_PIDFILE = `SELECT @@pid_file`
+
+--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

mysql-test/include/wsrep_wait_disconnect.inc

@@ -0,0 +1,20 @@
+let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready' AND VARIABLE_VALUE = 'OFF';
+# since this is called until AFTER provider disconnects,we need to allow
+# queries in non-prim
+#
+# We are also forced to use a hard-coded value for wsrep_sync_wait here because
+# we can not issue a SELECT query to obtain the original value and then restore
+# it
+disable_query_log;
+SET SESSION wsrep_sync_wait = 7;
+--let $restore_wsrep_on = `SHOW VARIABLES WHERE Variable_name = 'wsrep_on' AND Value = 'ON'`
+SET SESSION wsrep_on = OFF;
+
+--source include/wait_condition.inc
+
+if ($restore_wsrep_on != "")
+{
+  --eval SET SESSION wsrep_on = ON
+}
+SET SESSION wsrep_sync_wait = 15;
+enable_query_log;