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| Current File : //usr/opt/mysql57/mysql-test/suite/group_replication/t/gr_recovery_channel.test |
################################################################################
# This test validates the behavior of the group replication recovery channel
# against common slave commands like START/STOP/RESET SLAVE.
#
# Test:
# 0. The test requires three servers: M1, M2 and M3.
# 1. Bootstrap start group replication on M2. Add some data for recovery.
# Start M1.
# 2. Stop replication on M1. On M2 lock a table to block recovery. Start M1.
# 3. Execute a STOP SLAVE command and see the recovery channel still active.
# 4. Execute a RESET SLAVE ALL command and see the recovery channel is not
# affected on M1 when GR node is active.
# 5. Kill the server M1. The recovery channel should still be there but it's
# not started. Recreate the slave channel to test that it started
# 6. Clean the created channels and tables.
################################################################################
# This test does crashes servers, thence we skip it on asan and valgrind.
--source include/not_asan.inc
--source include/not_valgrind.inc
--source include/big_test.inc
--source include/force_restart.inc
--source ../inc/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--let $rpl_server_count= 3
--source ../inc/group_replication.inc
#
# Phase 1: Start group replication on two servers
#
--connection server2
--echo server2
--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);
--connection server1
--echo server1
--source include/start_group_replication.inc
--let $member1_uuid= query_get_value(SELECT @@SERVER_UUID, @@SERVER_UUID, 1)
--connection server2
--let $group_replication_number_of_members= 2
--source ../inc/gr_wait_for_number_of_members.inc
#
# Phase 2: Stop replication on server 1
# On server 2 lock a table to block recovery
#
--connection server1
--source include/stop_group_replication.inc
--connection server2
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
#lock the table in a different connection
--connection server_1
LOCK TABLE t1 READ;
--connection server1
--let $group_replication_start_member_state= RECOVERING
--source include/start_group_replication.inc
#
# Phase 3: Execute a STOP SLAVE command and see the channel still active.
#
let $wait_condition=
SELECT COUNT(*)=1 FROM performance_schema.replication_connection_status where CHANNEL_NAME="group_replication_recovery" and SERVICE_STATE="ON";
--source include/wait_condition.inc
STOP SLAVE;
--let $assert_text= 'The group replication recovery channel is ON'
--let $assert_cond= [SELECT COUNT(*) AS count FROM performance_schema.replication_connection_status where CHANNEL_NAME="group_replication_recovery" and SERVICE_STATE="ON", count, 1] = 1
--source include/assert.inc
#
# Phase 4: Execute a RESET SLAVE ALL command and see the recovery channel is
# not affected as GR node is active.
#
--connection server1
SET GLOBAL SUPER_READ_ONLY=0; # Bug#22097534
--replace_result $SERVER_MYPORT_3 SERVER_3_PORT
--eval CHANGE MASTER TO MASTER_HOST="127.0.0.1", MASTER_USER="root", MASTER_PASSWORD="", MASTER_PORT=$SERVER_MYPORT_3, MASTER_AUTO_POSITION=1 FOR CHANNEL "channel_1"
--let $assert_text= 'The slave channel is present'
--let $assert_cond= [SELECT COUNT(*) AS count FROM mysql.slave_relay_log_info WHERE channel_name="channel_1", count, 1] = 1
--source include/assert.inc
--let $datadir_1= `SELECT @@GLOBAL.datadir`
--let $recovery_relay_log_file= `SELECT CONCAT('$datadir_1', 'mgr-group_replication_recovery.000001')`
--file_exists $recovery_relay_log_file
--let $recovery_relay_log_index= `SELECT CONCAT('$datadir_1', 'mgr-group_replication_recovery.index')`
--file_exists $recovery_relay_log_index
--error ER_SLAVE_CHANNEL_OPERATION_NOT_ALLOWED
RESET SLAVE ALL;
--let $assert_text= 'The group replication recovery channel is present'
--let $assert_cond= [SELECT COUNT(*) AS count FROM mysql.slave_relay_log_info WHERE channel_name="group_replication_recovery", count, 1] = 1
--source include/assert.inc
--let $assert_text= 'The group replication recovery channel is ON'
--let $assert_cond= [SELECT COUNT(*) AS count FROM performance_schema.replication_connection_status where CHANNEL_NAME="group_replication_recovery" and SERVICE_STATE="ON", count, 1] = 1
--source include/assert.inc
--file_exists $recovery_relay_log_file
--file_exists $recovery_relay_log_index
--let $assert_text= 'The slave channel is not present'
--let $assert_cond= [SELECT COUNT(*) AS count FROM mysql.slave_relay_log_info WHERE channel_name="channel_1", count, 1] = 0
--source include/assert.inc
#
# Phase 5: Kill the server
# The recovery channel should still be there but it's not started
# Recreate the slave channel to test that it started
#
--connection server1
--replace_result $SERVER_MYPORT_3 SERVER_3_PORT
--eval CHANGE MASTER TO MASTER_HOST="127.0.0.1", MASTER_USER="root", MASTER_PASSWORD="", MASTER_PORT=$SERVER_MYPORT_3, MASTER_AUTO_POSITION=1 FOR CHANNEL "channel_1"
--source include/start_slave.inc
--let $assert_text= 'The created slave channel is ON'
--let $assert_cond= [SELECT COUNT(*) AS count FROM performance_schema.replication_connection_status where CHANNEL_NAME="channel_1" and SERVICE_STATE="ON", count, 1] = 1
--source include/assert.inc
--let $_group_replication_local_address= `SELECT @@GLOBAL.group_replication_local_address`
--let $_group_replication_group_seeds= `SELECT @@GLOBAL.group_replication_group_seeds`
--let $_group_replication_group_whitelist= `SELECT @@GLOBAL.group_replication_ip_whitelist`
# kill server 1
--let $restart_parameters=restart:--group_replication_local_address=$_group_replication_local_address --group_replication_group_seeds=$_group_replication_group_seeds --group_replication_ip_whitelist=$_group_replication_group_whitelist
--replace_result $_group_replication_local_address GROUP_REPLICATION_LOCAL_ADDRESS $_group_replication_group_seeds GROUP_REPLICATION_GROUP_SEEDS $_group_replication_group_whitelist GROUP_REPLICATION_GROUP_WHITELIST
--source ../inc/kill_and_restart_mysqld.inc
#Needed as we are not using rpl_restart_server.inc
--let $rpl_server_number= 1
--source include/rpl_reconnect.inc
# Wait until group has only 1 member, that is, server1 death is detected by
# the group.
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--let $group_replication_member_state= UNREACHABLE
--let $group_replication_member_id= $member1_uuid
--source ../inc/gr_wait_for_member_state.inc
# unblock the group, since server1 has gone away and
# there were only two in the group - majority lost
--let $local_address_server2= `SELECT @@GLOBAL.group_replication_local_address`
--disable_query_log
# Reseting the group to server2 only
--eval SET GLOBAL group_replication_force_members= "$local_address_server2"
--enable_query_log
--let $group_replication_number_of_members= 1
--source ../inc/gr_wait_for_number_of_members.inc
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
# Wait for the slave channel start
--let $rpl_channel_name= channel_1
--source include/wait_for_slave_to_start.inc
--let $rpl_channel_name=
--let $assert_text= 'The group replication recovery channel is present'
--let $assert_cond= [SELECT COUNT(*) AS count FROM mysql.slave_relay_log_info WHERE channel_name="group_replication_recovery", count, 1] = 1
--source include/assert.inc
--let $assert_text= 'The group replication recovery channel is OFF'
--let $assert_cond= [SELECT COUNT(*) AS count FROM performance_schema.replication_connection_status where CHANNEL_NAME="group_replication_recovery" and SERVICE_STATE="OFF", count, 1] = 1
--source include/assert.inc
--let $assert_text= 'The created slave channel is ON'
--let $assert_cond= [SELECT COUNT(*) AS count FROM performance_schema.replication_connection_status where CHANNEL_NAME="channel_1" and SERVICE_STATE="ON", count, 1] = 1
--source include/assert.inc
#
# Phase 6: Clean the created channels and tables
#
--connection server2
DROP TABLE t1;
--connection server1
--source include/stop_slave.inc
CHANGE MASTER TO MASTER_AUTO_POSITION=0 FOR CHANNEL "channel_1";
--source include/start_group_replication.inc
--let $skip_restore_connection= 0
--source ../inc/group_replication_end.inc