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################################################################################ # This test intends to prove that members can survive reset master commands. # These commands end up causing the members to purge their relay logs even when # the member has some provisioned data. # This test has 3 phases: # 1) Insert some data and sync both members # 2) Reset both members, insert some data on member one # Provision member two and start replication # Check that all data from phase 1 disappeared and the members are in sync. # 3) Restart group replication on member 2, testing that no data remains # from phase 1 # # Test: # 0. The test requires two servers: M1 and M2. # # Phase 1: Insert some data and sync both members. # 1. Bootstrap start a group on M1 and insert some data. Start GR on M2. # Validate both members have the same GTID set. # # Phase 2: Reset the group and provision a server. # 2. Stop GR and reset master on both members. # 3. On M1, add some data and bootstrap start group replication. # 4. On M2, fake the member being provisioned. Start group replication. # 5. Test that the group works by adding some data. # 6. Validate both members have the same data. # # Phase 3: Restart group replication on M3. # 7. Stop and start GR on M2. # 8. Add some data on M2. # 9. Validate both members have the same data. # # 10. Clean up. ################################################################################ --source include/big_test.inc --source ../inc/have_group_replication_gtid_assignment_block_size_1.inc --let $group_replication_group_name= c7ce5980-0851-11e4-9191-0800200c9a66 --source ../inc/have_group_replication_plugin.inc --let $rpl_skip_group_replication_start= 1 --source ../inc/group_replication.inc # # Phase 1: Start the group and insert data # --connection server1 --source ../inc/start_and_bootstrap_group_replication.inc #Create a table and insert some data --connection server1 CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; --connection server2 --source include/start_group_replication.inc --connection server1 INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (2); INSERT INTO t1 VALUES (3); INSERT INTO t1 VALUES (4); --let $sync_slave_connection= server2 --source include/sync_slave_sql_with_master.inc #Both members must have the same GTID set --let $server_count=2 while ($server_count) { --connection server$server_count --let $assert_text= On member $server_count, all executed GTID should belong to the group --let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "c7ce5980-0851-11e4-9191-0800200c9a66:1-7"; --source include/assert.inc --dec $server_count } DROP TABLE t1; --let $sync_slave_connection= server2 --source include/sync_slave_sql_with_master.inc # # Phase 2: Reset the group and provision a server # #Stop and reset both members --connection server1 --source include/stop_group_replication.inc RESET MASTER; --connection server2 --source include/stop_group_replication.inc RESET MASTER; --connection server1 CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t1 VALUES (1); --let $server_uuid= `SELECT @@GLOBAL.SERVER_UUID` --source ../inc/start_and_bootstrap_group_replication.inc --connection server2 #Fake the member being provisioned. --disable_result_log --disable_query_log eval SET @@SESSION.GTID_NEXT= '$server_uuid:1'; CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; eval SET @@SESSION.GTID_NEXT= '$server_uuid:2'; INSERT INTO t1 VALUES (1); --enable_result_log --enable_query_log SET GTID_NEXT = 'AUTOMATIC'; #Start the member --source include/start_group_replication.inc #Test that the group works --connection server1 INSERT INTO t1 VALUES (2); --connection server2 INSERT INTO t1 VALUES (3); --source include/rpl_sync.inc #Both members should possess the same data --let $server_count=2 while ($server_count) { --connection server$server_count --let $assert_text= On member $server_count, the table should exist and have 3 elements --let $assert_cond= [select count(*) from t1] = 3; --source include/assert.inc --dec $server_count } if(`SELECT "$server_uuid" < "$group_replication_group_name"`) { --let $wait_condition= SELECT transactions_committed_all_members like "$server_uuid:1-2,%$group_replication_group_name:1-4" from performance_schema.replication_group_member_stats; } if(`SELECT "$server_uuid" > "$group_replication_group_name"`) { --let $wait_condition= SELECT transactions_committed_all_members like "$group_replication_group_name:1-4,%$server_uuid:1-2" from performance_schema.replication_group_member_stats; } --let $wait_timeout= 150 --source include/wait_condition.inc --echo [ The value of stable_set should contain both provisioned and group GIIDs ] # # Phase 3: Restart group replication on member 2 # --connection server2 --source include/stop_group_replication.inc --source include/start_group_replication.inc INSERT INTO t1 VALUES (4); --source include/rpl_sync.inc #Both members should possess the same data --let $server_count=2 while ($server_count) { --connection server$server_count --let $assert_text= On member $server_count, the table should exist and have 4 elements --let $assert_cond= [select count(*) from t1] = 4; --source include/assert.inc --dec $server_count } # #Cleanup # DROP TABLE t1; --source ../inc/group_replication_end.inc