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################################################################################
# This test checks that
# 1. The delayed thread is only running when the server starts on boot
# 2. Connections are possible when the server enters read mode but it is still
# connecting
# 3. Uninstalling the GR plugin fails while the server is still starting
#
# To test this:
# 0. The test requires one stopped server.
# 1. Check that the delayed thread is not running when the without start on boot
# 2. Start group replication. Check that the delayed thread is still not there
# 3. Restart server with start on boot. Check that
# 3.1.The read mode is one when connections are allowed
# 3.2.There is a delayed thread running
# 3.3 The join is stuck on debug so the member is still OFFLINE.
# 4. Read mode is disabled.
# 5. Issue request to uninstall GR, which fails.
# 6. Read mode is enabled.
# 7. Execute a parallel start request. Check it will fail when we unblock
# 8. Unblock join. Wait for the member to come ONLINE.
# 9. Clean up.
################################################################################
--source include/big_test.inc
--source include/have_debug_sync.inc
--source include/have_group_replication_plugin.inc
--source include/force_restart.inc
--let $rpl_skip_group_replication_start= 1
--source include/group_replication.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
SET @@GLOBAL.DEBUG= @debug_save;
--echo #
--echo # 1. Check that the delayed thread is not running
--echo #
--let $assert_text= The delayed initialization thread is not running
--let $assert_cond= "[SELECT COUNT(*) FROM performance_schema.threads WHERE NAME = \"thread/group_rpl/THD_delayed_initialization\"]" = 0;
--source include/assert.inc
--echo #
--echo # 2. Start group replication. Check the thread is still not there
--echo #
--source include/start_and_bootstrap_group_replication.inc
--let $assert_text= The delayed initialization thread is not running after start
--let $assert_cond= "[SELECT COUNT(*) FROM performance_schema.threads WHERE NAME = \"thread/group_rpl/THD_delayed_initialization\"]" = 0;
--source include/assert.inc
--echo #
--echo # 3. Restart the server with start on boot enabled
--echo #
--let $allow_rpl_inited=1
--let $_group_replication_local_address= `SELECT @@GLOBAL.group_replication_local_address`
--let $_group_replication_group_seeds= `SELECT @@GLOBAL.group_replication_group_seeds`
--let $restart_parameters=restart:--group_replication_local_address=$_group_replication_local_address --group_replication_group_seeds=$_group_replication_group_seeds --group_replication_start_on_boot=1 --group-replication-group-name=$group_replication_group_name --group_replication_bootstrap_group=1 --loose-debug="+d,group_replication_before_joining_the_group"
--replace_result $_group_replication_local_address GROUP_REPLICATION_LOCAL_ADDRESS $_group_replication_group_seeds GROUP_REPLICATION_GROUP_SEEDS $group_replication_group_name GROUP_REPLICATION_GROUP_NAME
--source include/restart_mysqld.inc
--let $rpl_server_number= 1
--source include/rpl_reconnect.inc
--echo #
--echo # 3.1 Check the super read only mode is enabled
--echo #
--let $assert_text= The super_read_only mode should be 1 here.
--let $assert_cond= "[SELECT @@GLOBAL.super_read_only]" = 1;
--source include/assert.inc
--echo #
--echo # 3.2 There is a delayed initialization thread running
--echo #
--let $assert_text= The delayed initialization thread is running after boot
--let $assert_cond= "[SELECT COUNT(*) FROM performance_schema.threads WHERE NAME = \"thread/group_rpl/THD_delayed_initialization\"]" = 1;
--source include/assert.inc
--echo #
--echo # 3.3 The member is OFFLINE as the join is stuck
--echo #
--echo # Asserting that the member here is offline.
--let $group_replication_member_state= OFFLINE
--source include/gr_wait_for_member_state.inc
--echo #
--echo # 4. Disable the read mode on the server
--echo #
SET GLOBAL read_only= 0;
--echo #
--echo # 5. Uninstall GR plugin should fail
--echo #
--error ER_PLUGIN_CANNOT_BE_UNINSTALLED
UNINSTALL PLUGIN group_replication;
--echo #
--echo # 6. Enable the read mode on the server
--echo #
SET GLOBAL super_read_only= 1;
--echo #
--echo # 7. Execute a parallel start request that will fail after join
--echo #
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--send START GROUP_REPLICATION;
--echo #
--echo # 8. Unblock. The above start should fail and the server should go ONLINE
--echo #
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET DEBUG_SYNC= "now SIGNAL signal.continue_group_join";
--echo # Wait for the server to be ONLINE
--let $group_replication_member_state= ONLINE
--source include/gr_wait_for_member_state.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--error ER_GROUP_REPLICATION_RUNNING
--reap
--echo #
--echo # Cleanup
--echo #
SET @@GLOBAL.DEBUG= @debug_save;
--source include/group_replication_end.inc
|
