################################################################################################# # Create a backup from a member of GR group , which at later point can be restored successfully. # # 0. Start GR on with 2 servers # 1. Perform some DDL/DML operations on a member # 2. Create a backup from the member using mysqldump # 3. Verify if that backup can be later restored successfully on a 3rd server # 4. See if that 3rd server can then be added to GR group # 5. Perform some DDL/DML operations on the group # 6. Cleanup ################################################################################################# --source include/big_test.inc --source include/have_group_replication_plugin.inc --let $rpl_skip_group_replication_start= 1 --let $rpl_server_count= 3 --source include/group_replication.inc # Start group replication on thwo servers --echo --let $rpl_connection_name= server1 --source include/rpl_connection.inc --source include/start_and_bootstrap_group_replication.inc --echo --let $rpl_connection_name= server2 --source include/rpl_connection.inc --source include/start_group_replication.inc # Make sure number of servers in the group is 2 --let $group_replication_number_of_members= 2 --source include/gr_wait_for_number_of_members.inc # Create a table and insert data into it. CREATE DATABASE db; USE db; CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t1 VALUES (0); INSERT INTO t1 VALUES (1); UPDATE t1 SET c1=2 WHERE c1=0; # Create a backup using mysqldump --let $server2_datadir= `SELECT @@DATADIR` --let $server2_backup_file= backup_server2.sql # Use mysqldump client to get a dump of server2 # --single-transaction uses savepoints --exec $MYSQL_DUMP --user=root --host=127.0.0.1 --single-transaction --port=$SLAVE_MYPORT --databases db > $server2_datadir/$server2_backup_file # Restore the backup onto a 3rd server outside the GR group --echo --let $rpl_connection_name= server3 --source include/rpl_connection.inc --exec $MYSQL --user=root --host=127.0.0.1 --port=$SERVER_MYPORT_3 < $server2_datadir/$server2_backup_file # See if the data has been properly restored on server3 --echo --let $assert_text= 'There is a value 1 in table t1' --let $assert_cond= [SELECT COUNT(*) AS count FROM db.t1 WHERE t1.c1 = 1, count, 1] = 1 --source include/assert.inc --let $assert_text= 'There is a value 2 in table t1' --let $assert_cond= [SELECT COUNT(*) AS count FROM db.t1 WHERE t1.c1 = 2, count, 1] = 1 --source include/assert.inc # Add server3 to GR group --echo --source include/start_group_replication.inc # Make sure number of servers in the group is now 3 --echo --let $wait_timeout= 100 let $wait_condition=SELECT COUNT(*)=3 FROM performance_schema.replication_group_members where MEMBER_STATE="ONLINE"; --source include/wait_condition.inc # Now perform DDL/DML operations --echo # Create a table and insert data into it. USE db; CREATE TABLE t2 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t2 VALUES (0); INSERT INTO t2 VALUES (1); UPDATE t2 SET c1=2 WHERE c1=0; --source include/rpl_sync.inc # See if data has been successfully replicated across the group --echo --let $rpl_connection_name= server1 --source include/rpl_connection.inc --let $assert_text= 'Checking the number of records in db.t2' --let $assert_cond= [SELECT COUNT(*) as count FROM db.t2,count, 1] = 2 --source include/assert.inc --echo --let $rpl_connection_name= server2 --source include/rpl_connection.inc --let $assert_text= 'Checking the number of records in db.t2' --let $assert_cond= [SELECT COUNT(*) as count FROM db.t2,count, 1] = 2 --source include/assert.inc # Drop table --echo DROP DATABASE db; --remove_file $server2_datadir/$server2_backup_file --source include/group_replication_end.inc