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|
################################################################################
# This test verifies that recovery aborts successfully if
# group_replication_recovery_retry_count is made smaller then connection
# retry count in middle of recovery donor connection attempts.
#
# Test:
# 0. The test requires two servers: M1 and M2.
# 1. Bootstrap start a group on M1.
# 2. Setup environment to fail donor connection and start GR on M2.
# Set DEBUG on M2 to block donor connection attempt when count reaches 3.
# Verify M2 is in recovery state.
# 3. Reset group_replication_recovery_retry_count to 2.
# Signal donor connection attempt to continue.
# 4. Verification.
# 5. Clean up.
################################################################################
--source include/have_debug_sync.inc
--source include/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--source include/group_replication.inc
--let $error_file = $MYSQLTEST_VARDIR/tmp/gr_recovery_lower_max_retry_count.2.err
--echo
--echo # 1. Bootstrap start a group on M1.
--echo
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET sql_log_bin=0;
CREATE USER 'user_with_no_priv_s1'@'%';
GRANT GROUP_REPLICATION_STREAM ON *.* TO 'user_with_no_priv_s1'@'%';
FLUSH PRIVILEGES;
SET sql_log_bin=1;
--source include/start_and_bootstrap_group_replication.inc
--echo
--echo # 2. Setup environment to fail donor connection and start GR on M2.
--echo # Set DEBUG on M2 to block donor connection attempt when count reaches 3.
--echo # Verify M2 is in recovery state.
--echo
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
SET @debug_save= @@GLOBAL.DEBUG;
SET @recovery_reconnect_interval_save= @@GLOBAL.GROUP_REPLICATION_RECOVERY_RECONNECT_INTERVAL;
SET @recovery_retry_count_save= @@GLOBAL.group_replication_recovery_retry_count;
--disable_warnings
SET sql_log_bin=0;
CREATE USER 'user_with_no_priv_s1'@'%';
GRANT GROUP_REPLICATION_STREAM ON *.* TO 'user_with_no_priv_s1'@'%';
FLUSH PRIVILEGES;
SET sql_log_bin=1;
CHANGE REPLICATION SOURCE TO SOURCE_USER="user_with_no_priv_s1" FOR CHANNEL "group_replication_recovery";
--enable_warnings
SET SESSION sql_log_bin = 0;
call mtr.add_suppression("Maximum number of retries when trying to connect to a donor reached. Aborting group replication incremental recovery.");
call mtr.add_suppression("Fatal error during the incremental recovery process of Group Replication. The server will leave the group.");
call mtr.add_suppression("Skipping leave operation: concurrent attempt to leave the group is on-going.");
SET SESSION sql_log_bin = 1;
SET @@GLOBAL.DEBUG='+d,gr_reset_max_connection_attempts_to_donors';
SET GLOBAL group_replication_recovery_reconnect_interval= 2;
--let $group_replication_start_member_state= RECOVERING
--source include/start_group_replication.inc
--echo
--echo # 3. Reset group_replication_recovery_retry_count to 2.
--echo # Signal donor connection attempt to continue.
--echo
SET DEBUG_SYNC= "now WAIT_FOR signal.connection_attempt_3";
SET GLOBAL group_replication_recovery_retry_count= 2;
SET DEBUG_SYNC= "now SIGNAL signal.reset_recovery_retry_count_done";
--echo
--echo # 4. Verification.
--echo
--let $group_replication_member_state= ERROR
--source include/gr_wait_for_member_state.inc
--let $assert_file = $error_file
--let $assert_text = 3 donor connections attempts were made.
--let $assert_select = Retrying group recovery connection with another donor. Attempt 3/10
--let $assert_count = 1
--source include/assert_grep.inc
--let $assert_file = $error_file
--let $assert_text = Post change of group_replication_recovery_retry_count, 4th donor connection attempt was not made.
--let $assert_select = Retrying group recovery connection with another donor. Attempt 4
--let $assert_count = 0
--source include/assert_grep.inc
--let $assert_file = $error_file
--let $assert_text = Recovery process aborted.
--let $assert_select = Maximum number of retries when trying to connect to a donor reached. Aborting group replication incremental recovery.
--let $assert_count = 1
--source include/assert_grep.inc
--echo
--echo # 5. Clean up.
--echo
SET @@GLOBAL.DEBUG= @debug_save;
SET @@GLOBAL.GROUP_REPLICATION_RECOVERY_RECONNECT_INTERVAL= @recovery_reconnect_interval_save;
SET @@GLOBAL.group_replication_recovery_retry_count= @recovery_retry_count_save;
SET sql_log_bin=0;
SET GLOBAL super_read_only = 0;
DROP USER user_with_no_priv_s1;
SET sql_log_bin=1;
--connection server1
SET sql_log_bin=0;
SET GLOBAL super_read_only = 0;
DROP USER user_with_no_priv_s1;
SET sql_log_bin=1;
--source include/group_replication_end.inc
|
