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| Current File : //usr/opt/mysql57/mysql-test/suite/group_replication/t/gr_executed_sets_compatibility.test |
################################################################################
# Test that evaluates the safe guards that stop members from joining with
# transactions not present in the group.
#
# Here we test several cases where the joiner is allowed or not in the group
# based on its executed transaction set.
#
# Test guide:
# 0. The test requires three servers.
# Test case 1: A member that has an unrelated transaction fails to join
# 1) There is a group with a member that has some transactions
# 2) Insert a transaction on server 2 that acquires a local GTID
# 3) Server 2 fails to join because the group doesn't know that GTID
#
# Test case 2: A member that has more group transactions fails to join
# 1) Take server 1 out of the group.
# 2) Clean server 2 and boot the group again with it
# 3) Try to add server 1 to the group. It fails because server 1 has 5
# transaction and server 2 only has 1
#
# Test case 3: Test case 1 with a forced entry
# 1) Stop and clean server 2.
# 1) Boot the group with server 1
# 2) Insert a transaction on server 2 that acquires a local GTID
# 3) Set the allow_local_disjoint_gtids_join option to 1 in server 2
# 4) Start group replication on server 2, it should succeed.
#
# Test case 4: Add a member that has the transaction present on member 2
# 1) Insert a transaction on server 3 with the same GTID of that present on 2.
# 2) Start group replication on server 3, it should succeed since server 2, a
# member of the group knows this transaction.
#
# 5. Verify all is fine.
#
# 6. Clean up.
################################################################################
--source include/big_test.inc
--let $group_replication_group_name= b2b6cdc0-eb94-11e5-a837-0800200c9a66
--source ../inc/have_group_replication_plugin.inc
--let $rpl_gtid_utils= 1
--let $rpl_skip_group_replication_start= 1
--let $rpl_server_count= 3
--source ../inc/group_replication.inc
--let $errand_transaction_uuid= aaaaaaaa-bbbb-aaaa-bbbb-aaaaaaaaaaaa
# Suppress errors
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET SESSION sql_log_bin= 0;
call mtr.add_suppression(".*This member has more executed transactions *.*");
call mtr.add_suppression(".*The member contains transactions not present *.*");
SET SESSION sql_log_bin= 1;
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
SET SESSION sql_log_bin= 0;
call mtr.add_suppression(".*This member has more executed transactions *.*");
call mtr.add_suppression(".*The member contains transactions not present *.*");
SET SESSION sql_log_bin= 1;
--echo #
--echo # Setup the first member
--echo #
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--source ../inc/start_and_bootstrap_group_replication.inc
# Add some data for recovery
CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
--let $assert_text= The first member has 3 transaction belonging to the group
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$group_replication_group_name:1-3";
--source include/assert.inc
--echo #
--echo # Test case 1: Try to add a member with local data on it.
--echo # The start group replication command shall fail
--echo #
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--eval SET GTID_NEXT= "$errand_transaction_uuid:1"
CREATE TABLE t2 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
SET GTID_NEXT= "AUTOMATIC";
--let $assert_text= The member shall contain a local transaction
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$errand_transaction_uuid:1";
--source include/assert.inc
--eval SET GLOBAL group_replication_group_name= "$group_replication_group_name"
--error ER_GROUP_REPLICATION_CONFIGURATION
START GROUP_REPLICATION;
--echo # Test case 1 cleanup
--echo # Remove data on server 2
DROP TABLE t2;
RESET MASTER;
#For precaution, wait for server 2 to leave
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--let $group_replication_number_of_members= 1
--source ../inc/gr_wait_for_number_of_members.inc
# Wait until View_change_log_event from server 2 join is logged on binary log
--let $wait_condition= SELECT @@GLOBAL.GTID_EXECUTED = "$group_replication_group_name:1-4"
--source include/wait_condition.inc
--echo #
--echo # Test case 2: Try to add a member with more group transactions
--echo # The start group replication command shall fail
--echo #
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--source include/stop_group_replication.inc
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--source ../inc/start_and_bootstrap_group_replication.inc
--let $assert_text= The first member to join has only one transaction
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$group_replication_group_name:1";
--source include/assert.inc
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--let $assert_text= The second member to join has 4 transactions
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$group_replication_group_name:1-4";
--source include/assert.inc
--eval SET GLOBAL group_replication_group_name= "$group_replication_group_name"
--error ER_GROUP_REPLICATION_CONFIGURATION
START GROUP_REPLICATION;
--echo # Test case 2 cleanup
--echo # Put server 1 back in the group
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
#For precaution, wait for server 1 to leave
--let $group_replication_number_of_members= 1
--source ../inc/gr_wait_for_number_of_members.inc
--source include/stop_group_replication.inc
RESET MASTER;
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--source ../inc/start_and_bootstrap_group_replication.inc
--echo #
--echo # Test case 3: Repeat test case 1 again but now force the member to join
--echo # The start group replication command shall succeed.
--echo #
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--eval SET GTID_NEXT= "$errand_transaction_uuid:1"
CREATE TABLE t2 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
SET GTID_NEXT= "AUTOMATIC";
--let $assert_text= The member shall contain a local transaction
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$errand_transaction_uuid:1";
--source include/assert.inc
SET GLOBAL group_replication_allow_local_disjoint_gtids_join= 1;
--source include/start_group_replication.inc
--let $assert_text= The joiner shall contain both group and local transactions
--let $assert_cond= GTID_IS_EQUAL("[SELECT @@GLOBAL.GTID_EXECUTED]", "$errand_transaction_uuid:1,$group_replication_group_name:1-6")
--source include/assert.inc
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--let $assert_text= The old member shall only contain group transactions
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$group_replication_group_name:1-6";
--source include/assert.inc
--echo #
--echo # Test case 4: Member 3 joins the group with the same transaction as member 2
--echo # The start group replication command shall succeed without forcing it
--echo #
--let $rpl_connection_name= server3
--source include/rpl_connection.inc
--eval SET GTID_NEXT= "$errand_transaction_uuid:1"
CREATE TABLE t3 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
SET GTID_NEXT= "AUTOMATIC";
--let $assert_text= The third member to join has a local transaction
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$errand_transaction_uuid:1";
--source include/assert.inc
--source include/start_group_replication.inc
--echo #
--echo # Verify all is fine
--echo #
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
INSERT INTO t1 VALUES (2);
# We cannot use rpl_sync.inc because of errand transactions.
--let $sync_slave_connection= server2
--source include/sync_slave_sql_with_master.inc
--let $assert_text= 'There are two values in table t1'
--let $assert_cond= [SELECT COUNT(*) AS count FROM t1, count, 1] = 2
--source include/assert.inc
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--let $sync_slave_connection= server3
--source include/sync_slave_sql_with_master.inc
--let $assert_text= 'There are two values in table t1'
--let $assert_cond= [SELECT COUNT(*) AS count FROM t1, count, 1] = 2
--source include/assert.inc
--echo #
--echo # Cleaning up
--echo #
--let $rpl_connection_name= server3
--source include/rpl_connection.inc
--source include/stop_group_replication.inc
DROP TABLE t3;
DROP TABLE t1;
RESET MASTER;
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
SET GLOBAL group_replication_allow_local_disjoint_gtids_join= 0;
--source include/stop_group_replication.inc
DROP TABLE t2;
DROP TABLE t1;
RESET MASTER;
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
DROP TABLE t1;
--source ../inc/group_replication_end.inc