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bb32acebf3
This issue seems to be already fixed. However, to avoid future problems: Wsrep_server_service::release_storage_service Add assertion that storage service is not nullptr and contains thd. In production binaries add guard to not use nullptr. Wsrep_server_service::release_high_priority_service Add assertion that high_priority service is not nullptr and contains thd. In production binaries add guard to not use nullptr. wsrep_is_BF_lock_timeout Remove printing of record lock because its page might not be latched leading to assertion in multi-master testing.
138 lines
4.7 KiB
Text
138 lines
4.7 KiB
Text
#
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# Test for MDEV-31517: Wrong variable name in the configuration leads
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# Galera to think SST/IST failed, at next restart will request a full
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# SST.
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#
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# To reproduce:
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#
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# 1. Start Galera cluster
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# 2. Stop a Node
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# 3. Start the node
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# 4. Stop a Node
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# 5. Add non_existing_variable=ON in the config
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# 6. Start the node, this will fail
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# 7 Remove non_existing_variable=ON from the config file
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# 8 Restart the server
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# 9. Observe a full SST happening
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#
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# This test checks that an IST takes place at Step 9 instead of a full SST.
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# Step 1: Start Galera cluster
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--source include/galera_cluster.inc
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--source include/have_mariabackup.inc
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--echo # Make sure that the test is operating on the right version of galera library.
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--let $galera_version=26.4.25
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source ../wsrep/include/check_galera_version.inc;
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# Save original auto_increment_offset values.
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--let $node_1=node_1
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--let $node_2=node_2
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--source include/auto_increment_offset_save.inc
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# Suppress expected errors and warnings:
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--connection node_2
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CALL mtr.add_suppression("unknown variable 'non_existing_variable=ON'");
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CALL mtr.add_suppression("Aborting");
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CALL mtr.add_suppression("sst_received failed: State wait was interrupted");
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CALL mtr.add_suppression("State transfer interrupted, shutting down gracefully");
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# Count the number of "SST completed" messages in the log file before
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# and after testing. To do this we need to save original log file
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# before testing:
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#
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--let TEST_LOG=$MYSQLTEST_VARDIR/log/mysqld.2.err
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--perl
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use strict;
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my $test_log=$ENV{'TEST_LOG'} or die "TEST_LOG not set";
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my $test_log_copy=$test_log . '.copy';
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if (-e $test_log_copy) {
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unlink $test_log_copy;
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}
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EOF
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--copy_file $TEST_LOG $TEST_LOG.copy
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--connection node_1
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CREATE TABLE t(i INT NOT NULL PRIMARY KEY) ENGINE INNODB;
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INSERT INTO t VALUES(1);
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# Step 2: Stop node 2
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--connection node_2
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--source include/shutdown_mysqld.inc
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--connection node_1
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--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
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--source include/wait_condition.inc
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# Step 3: Start node 2
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--connection node_2
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--source include/start_mysqld.inc
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--connection node_1
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--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
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--source include/wait_condition.inc
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# Step 4: Stop node 2
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--connection node_2
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let $MYSQLD_DATADIR= `SELECT @@datadir`;
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--source include/shutdown_mysqld.inc
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--connection node_1
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--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
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--source include/wait_condition.inc
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# Step 5: Add non_existing_variable=ON in the config
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--exec cp $MYSQLTEST_VARDIR/my.cnf $MYSQLTEST_VARDIR/my.cnf-orig
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--exec echo '[mysqld.2]' >> $MYSQLTEST_VARDIR/my.cnf
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--exec echo 'non_existing_variable=ON' >> $MYSQLTEST_VARDIR/my.cnf
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# Step 6: start the stopped node, this will fail
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--connection node_2
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--exec cp -p $MYSQLD_DATADIR/grastate.dat $MYSQLD_DATADIR/grastate.dat_before
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--echo Starting server ...
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--error 1
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--exec $MYSQLD --defaults-group-suffix=.2 --defaults-file=$MYSQLTEST_VARDIR/my.cnf | grep 'non_existing_variable'
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--exec cp -p $MYSQLD_DATADIR/grastate.dat $MYSQLD_DATADIR/grastate.dat_after
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# Step 7: remove the wrong variable in the config file
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--exec cp $MYSQLTEST_VARDIR/my.cnf-orig $MYSQLTEST_VARDIR/my.cnf
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# Step 8: Start the node
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--echo Starting server ...
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let $restart_noprint=2;
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--source include/start_mysqld.inc
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--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
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--source include/wait_condition.inc
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--let $wait_condition = SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready';
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--source include/wait_condition.inc
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# cleanup
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SET GLOBAL wsrep_mode = DEFAULT;
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--connection node_1
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DROP TABLE t;
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# Count the number of "SST completed" messages in the log file during
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# test phase - to print the error message if the number of such
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# messages in log file increased at the end of the test:
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#
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--perl
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use strict;
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my $test_log=$ENV{'TEST_LOG'} or die "TEST_LOG not set";
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my $test_log_copy=$test_log . '.copy';
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open(FILE, $test_log_copy) or die("Unable to open $test_log_copy: $!\n");
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my $initial=grep(/SST completed/gi,<FILE>);
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close(FILE);
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open(FILE, $test_log) or die("Unable to open $test_log: $!\n");
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my $final=grep(/SST completed/gi,<FILE>);
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close(FILE);
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if ($final != $initial) {
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my $diff=$final-$initial;
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print("Full WSREP SST performed $diff times.\n");
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}
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EOF
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--remove_file $TEST_LOG.copy
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--source include/auto_increment_offset_restore.inc
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--source include/galera_end.inc
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