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################################################################################
#
# exit_state_action sysvar specifies which action is taken by a server once it
# has involuntarily left the group. Currently there are only two actions:
# either the server continues running but with super_read_only enabled
# (READ_ONLY) or it aborts (ABORT_SERVER).
#
# This test verifies that the sysvar behaves as expected, meaning that the
# default value is the expected one (READ_ONLY), that we can change it
# and the value is maintained and that invalid values result in error.
#
# Test:
# 0) The test requires one server.
# 1) Check the default value. It should be READ_ONLY.
# 2) Set the sysvar to the possible valid values. Verify that the valid values
# are accepted with no error and the values are set correctly.
# 3) Set the sysvar to invalid values. There should be an error and the value of
# the sysvar should not be altered.
# 4) Cleanup.
#
################################################################################
--source include/have_debug.inc
--source include/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--source include/group_replication.inc
--echo
--echo #########################################################################
--echo # 0) The test requires one server.
--echo #########################################################################
--echo
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET @exit_state_action_saved = @@GLOBAL.group_replication_exit_state_action;
--echo
--echo #########################################################################
--echo # 1) Check the default value. It should be READ_ONLY.
--echo #########################################################################
--echo
SET @@GLOBAL.group_replication_exit_state_action = default;
--let $assert_text= The default of group_replication_exit_state_action should be READ_ONLY
--let $assert_cond= "[SELECT @@GLOBAL.group_replication_exit_state_action]" = "READ_ONLY"
--source include/assert.inc
--echo
--echo #########################################################################
--echo # 2) Set the sysvar to the possible valid values.
--echo #########################################################################
--echo
SET GLOBAL group_replication_exit_state_action = "OFFLINE_MODE";
--let $assert_text= The value of group_replication_exit_state_action should be OFFLINE_MODE
--let $assert_cond= "[SELECT @@GLOBAL.group_replication_exit_state_action]" = "OFFLINE_MODE"
--source include/assert.inc
SET GLOBAL group_replication_exit_state_action = "ABORT_SERVER";
--let $assert_text= The value of group_replication_exit_state_action should be ABORT_SERVER
--let $assert_cond= "[SELECT @@GLOBAL.group_replication_exit_state_action]" = "ABORT_SERVER"
--source include/assert.inc
SET GLOBAL group_replication_exit_state_action = "READ_ONLY";
--let $assert_text= The value of group_replication_exit_state_action should be READ_ONLY
--let $assert_cond= "[SELECT @@GLOBAL.group_replication_exit_state_action]" = "READ_ONLY"
--source include/assert.inc
--echo
--echo #########################################################################
--echo # 3) Set the sysvar to invalid values. There should be an error and the
--echo # value of the sysvar should not be altered.
--echo #########################################################################
--echo
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL group_replication_exit_state_action = 42;
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL group_replication_exit_state_action = on;
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL group_replication_exit_state_action = "abort";
--let $assert_text= The value of group_replication_exit_state_action should be READ_ONLY
--let $assert_cond= "[SELECT @@GLOBAL.group_replication_exit_state_action]" = "READ_ONLY"
--source include/assert.inc
--echo
--echo #########################################################################
--echo # 4) Cleanup.
--echo #########################################################################
--echo
SET GLOBAL group_replication_exit_state_action = @exit_state_action_saved;
--source include/group_replication_end.inc
|
