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Test case for provisioning a slave with mariabackup --no-lock
Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
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‎mysql-test/suite/mariabackup/slave_provision_nolock.cnf

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[mysqld.1]
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log-slave-updates
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loose-innodb
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[mysqld.2]
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log-slave-updates
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loose-innodb
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[ENV]
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SERVER_MYPORT_1= @mysqld.1.port
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SERVER_MYSOCK_1= @mysqld.1.socket
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SERVER_MYPORT_2= @mysqld.2.port
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SERVER_MYSOCK_2= @mysqld.2.socket

‎mysql-test/suite/mariabackup/slave_provision_nolock.result

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RESET MASTER;
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CREATE TABLE t1(a varchar(60) PRIMARY KEY, b VARCHAR(60)) ENGINE INNODB;
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INSERT INTO t1 VALUES(1, NULL);
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CREATE TABLE t2 (val INT) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (0);
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connect con1,localhost,root,,;
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*** Start a background load...
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CALL gen_load();
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connection default;
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*** Doing backup...
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*** Doing prepare...
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*** Stop the background load...
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UPDATE t2 SET val=1;
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connection con1;
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connection default;
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disconnect con1;
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*** Provision a new slave from the backup
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connect server2,127.0.0.1,root,,,$SERVER_MYPORT_2;
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*** Stopping provisioned server
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*** Removing old datadir for provisioned server
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*** Provision new server from backup
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# restart
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*** Configure slave position from xtrabackup_binlog_pos_innodb
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CREATE TABLE t3 (file VARCHAR(255), pos INT) ENGINE=InnoDB;
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LOAD DATA LOCAL INFILE "BASEDIR/xtrabackup_binlog_pos_innodb"
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INTO TABLE t3 FIELDS ESCAPED BY '' (file, pos);
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CHANGE MASTER TO
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master_port=PORT, master_host='127.0.0.1', master_user='root',
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master_log_file= "MASTER_FILE",
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master_log_pos= MASTER_POS;
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START SLAVE;
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connection default;
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connection server2;
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connection server2;
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STOP SLAVE;
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RESET SLAVE ALL;
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DROP PROCEDURE gen_load;
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DROP TABLE t1, t2, t3;
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connection default;
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DROP PROCEDURE gen_load;
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DROP TABLE t1, t2;

‎mysql-test/suite/mariabackup/slave_provision_nolock.test

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--source include/have_innodb.inc
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--source include/have_log_bin.inc
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# Test provisioning a slave from an existing server, using mariabackup --no-lock
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# and the binlog position recovered from InnoDB redo log.
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let $basedir=$MYSQLTEST_VARDIR/tmp/backup;
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RESET MASTER;
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CREATE TABLE t1(a varchar(60) PRIMARY KEY, b VARCHAR(60)) ENGINE INNODB;
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INSERT INTO t1 VALUES(1, NULL);
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CREATE TABLE t2 (val INT) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (0);
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--disable_query_log
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--delimiter //
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CREATE PROCEDURE gen_load()
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MODIFIES SQL DATA
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BEGIN
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DECLARE i INT;
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DECLARE flag TYPE OF t2.val;
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SET i = 0;
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load_loop: LOOP
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SELECT val INTO flag FROM t2;
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IF NOT (flag=0) THEN
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LEAVE load_loop;
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END IF;
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START TRANSACTION;
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INSERT INTO t1 VALUES (CONCAT("AbAdCaFe", LPAD(i, 6, "0")), @@SESSION.last_gtid);
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COMMIT;
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SET i = i + 1;
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END LOOP;
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END
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//
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--delimiter ;
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--enable_query_log
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connect (con1,localhost,root,,);
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--echo *** Start a background load...
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send CALL gen_load();
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--connection default
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--echo *** Doing backup...
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--exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --target-dir=$basedir --no-lock
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--echo *** Doing prepare...
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--exec $XTRABACKUP --prepare --rollback-xa --binlog-info=1 --target-dir=$basedir
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--echo *** Stop the background load...
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UPDATE t2 SET val=1;
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--connection con1
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reap;
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--connection default
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disconnect con1;
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--let $count_master= `SELECT COUNT(*) FROM t1`
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--echo *** Provision a new slave from the backup
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--connect (server2,127.0.0.1,root,,,$SERVER_MYPORT_2)
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--let $datadir_2= `SELECT @@datadir`
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--echo *** Stopping provisioned server
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--source include/shutdown_mysqld.inc
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--echo *** Removing old datadir for provisioned server
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--rmdir $datadir_2
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--echo *** Provision new server from backup
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--exec $XTRABACKUP --copy-back --datadir=$datadir_2 --target-dir=$basedir
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--source include/start_mysqld.inc
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--echo *** Configure slave position from xtrabackup_binlog_pos_innodb
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CREATE TABLE t3 (file VARCHAR(255), pos INT) ENGINE=InnoDB;
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--replace_result $basedir BASEDIR
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--disable_warnings
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eval LOAD DATA LOCAL INFILE "$basedir/xtrabackup_binlog_pos_innodb"
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INTO TABLE t3 FIELDS ESCAPED BY '' (file, pos);
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--enable_warnings
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# Remove leading ./ from filename (leading .\ on windows).
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--let provision_master_file= `SELECT REGEXP_REPLACE(file, "^[.].", "") FROM t3`
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--let provision_master_pos= `SELECT pos FROM t3`
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--replace_result $SERVER_MYPORT_1 PORT $provision_master_file MASTER_FILE $provision_master_pos MASTER_POS
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eval CHANGE MASTER TO
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master_port=$SERVER_MYPORT_1, master_host='127.0.0.1', master_user='root',
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master_log_file= "$provision_master_file",
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master_log_pos= $provision_master_pos;
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START SLAVE;
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--connection default
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--save_master_pos
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--connection server2
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--sync_with_master
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--let $count_slave= `SELECT COUNT(*) FROM t1`
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if ($count_master != $count_slave) {
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--echo *** ERROR: Table on master has $count_master rows, but table on provisioned slave has $count_slave rows
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--die Row difference on provisioned slave.
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}
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# Cleanup
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--connection server2
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STOP SLAVE;
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RESET SLAVE ALL;
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DROP PROCEDURE gen_load;
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DROP TABLE t1, t2, t3;
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--connection default
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DROP PROCEDURE gen_load;
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DROP TABLE t1, t2;
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rmdir $basedir;

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