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################################################################################
# This test validates that in Group Replication, when the primary node leaves
# and quickly rejoins the group, the replication cluster remains operational
# and does not enter an unusable state. A primary should be elected, and
# the previously departed node should be permitted to rejoin the group.
#
# Test:
# 0. The test requires 3 servers: M1 , M2 and M3.
# 1. Prepare all the servers for crash such that when server crashes
# the crashed node joins the group immediately.
# 2. Start all servers.
# 3. Kill and re-start primary server 3 times.
# 4. Cleanup.
################################################################################
# Due to kill avoid valgind.
--source include/not_valgrind.inc
--source include/big_test.inc
--source include/have_group_replication_plugin.inc
--let $rpl_server_count= 3
--let $rpl_skip_group_replication_start= 1
--source include/group_replication.inc
--echo
--echo ############################################################
--echo # 1. Prepare all the servers for crash such that when server crashes
--echo # the crashed node joins the group immediately.
--let $loop=1
while ($loop < 4)
{
--let $rpl_connection_name= server$loop
--source include/rpl_connection.inc
# Suppressions
set session sql_log_bin=0;
call mtr.add_suppression("Members removed from the group*");
call mtr.add_suppression("Member with address*");
call mtr.add_suppression("\\[GCS\\]*");
call mtr.add_suppression("The group_replication_group_name option is mandatory");
call mtr.add_suppression("Unable to start Group Replication on boot");
set session sql_log_bin=1;
--disable_query_log
--eval SET PERSIST group_replication_group_name= "$group_replication_group_name"
--eval SET PERSIST group_replication_local_address= @@GLOBAL.group_replication_local_address
--eval SET PERSIST group_replication_group_seeds= @@GLOBAL.group_replication_group_seeds
--eval SET PERSIST group_replication_communication_stack= @@GLOBAL.group_replication_communication_stack
--enable_query_log
--inc $loop
}
--echo
--echo ############################################################
--echo # 2. Start all servers.
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--source include/start_and_bootstrap_group_replication.inc
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--source include/start_group_replication.inc
--let $rpl_connection_name= server3
--source include/rpl_connection.inc
--source include/start_group_replication.inc
--echo
--echo ############################################################
--echo # 3. Kill and re-start primary server 3 times.
--let $loop=3
while ($loop)
{
--echo #### $loop ####
--source include/gr_find_a_primary.inc
--let $rpl_connection_name= $group_replication_primary_connection_out_var
--source include/rpl_connection.inc
--source include/kill_and_restart_mysqld.inc
--let $rpl_server_number= $group_replication_primary_connection_number_out_var
--source include/rpl_reconnect.inc
--let $group_replication_member_state= ONLINE
--let $wait_timeout= 300
--source include/gr_wait_for_member_state.inc
--let $group_replication_number_of_members = 3
--let $wait_timeout= 300
--source include/gr_wait_for_number_of_members.inc
--dec $loop
}
--echo
--echo ############################################################
--echo # 4. Cleanup.
--let $loop=3
while ($loop)
{
--let $rpl_connection_name= server$loop
--source include/rpl_connection.inc
--disable_query_log
RESET PERSIST IF EXISTS group_replication_group_name;
RESET PERSIST IF EXISTS group_replication_local_address;
RESET PERSIST IF EXISTS group_replication_group_seeds;
RESET PERSIST IF EXISTS group_replication_communication_stack;
--enable_query_log
--source include/stop_group_replication.inc
--dec $loop
}
--source include/group_replication_end.inc
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