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| Current File : //usr/opt/mysql57/mysql-test/suite/group_replication/t/gr_multiple_version_members.test |
################################################################################
# This test validates the functioning of the version handshake algorithm on
# group replication.
# The test makes the group go through several changes involving different member
# versions validating the expected outcome on each case.
# The test script is:
# *) The test requires five servers: S1, S2, S3, S4 and S5.
#
# Server Step Version (to base) Outcome
#-------------------------------------------------------------------------------
# (S1) join member with a higher patch version* (patch version + 1) OK
# (S2) join member with a higher minor version (minor version + 1) OK
# (S3) join member with the base version (base version) OK
# (S3) member leaves
# (S3) join member with a higher major version (major version +1) OK
# (S4) join member with a higher minor version (minor version + 1) OK
# (S1) member leaves
# (S2) member leaves
# (S5) join member with the base version (base version) OK
# (S4) member leaves
# (S5) member leaves
# (S5) join member with the base version (base version) Failure
#
# *) The group start happens with Server 1 joining
#
# The base version is version of the plugin associated with this test:
# Version= MAJOR.MINOR.PATCH
#
################################################################################
--source include/not_valgrind.inc
--source include/big_test.inc
--source include/have_debug.inc
--let $group_replication_group_name= 8a1da670-05fa-11e5-b939-0800200c9a66
--source ../inc/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--let $rpl_server_count= 5
--source ../inc/group_replication.inc
--echo #
--echo # Check the version of member 1 is fully visible in the plugin table
--echo #
--let $assert_text= The plugin major and minor versions are visible in the version column
--let $assert_cond= [SELECT COUNT(*) FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= "group_replication" and PLUGIN_VERSION= "1.0" ] = 1;
--source include/assert.inc
--let $assert_text= The plugin total version can be seen in the description column
--let $assert_cond= [SELECT COUNT(*) FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= "group_replication" and PLUGIN_DESCRIPTION= "Group Replication (1.0.0)" ] = 1;
--source include/assert.inc
--echo #
--echo # Setup a new member with version a higher patch version
--echo # Version= Base version + 1 patch version
--echo #
--connection server1
--echo server1
SET @debug_saved_s1= @@GLOBAL.DEBUG;
SET @@GLOBAL.DEBUG= '+d,group_replication_compatibility_higher_patch_version';
--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);
--echo #
--echo # Try to add a new member with a higher minor version
--echo # Version = Base version + 1 minor version
--echo # The member will join the group as there are other members with the
--echo # same major version
--echo #
--connection server2
--echo server2
SET @debug_saved_s2= @@GLOBAL.DEBUG;
# Cause the member to broadcast and compare himself using a higher version
SET @@GLOBAL.DEBUG= '+d,group_replication_compatibility_higher_minor_version';
--source include/start_group_replication.inc
# Check the data is there
--let $assert_text= On the recovered member, the table should contain 1 elements
--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1;
--source include/assert.inc
--echo #
--echo # Try to add a new member with a base version.
--echo # Version = Base version
--echo # It will succeed since the major version is the same
--echo #
--connection server3
--echo server3
--source include/start_group_replication.inc
--echo #
--echo # Try to add a new member with a higher major version
--echo # Version = Base version + 1 major version
--echo # The member will join the group
--echo #
--source include/stop_group_replication.inc
SET @debug_saved_s3= @@GLOBAL.DEBUG;
# Cause the member to broadcast and compare himself using a higher version
SET @@GLOBAL.DEBUG= '+d,group_replication_compatibility_higher_major_version';
--source include/start_group_replication.inc
# Check the data is there
--let $assert_text= On the recovered member, the table should contain 1 elements
--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1;
--source include/assert.inc
--echo #
--echo # Add server 4 with a higher minor version than base
--echo # Version = Base version + 1 minor version
--echo # The member will join the group as there are other members with the
--echo # same major version
--echo #
--connection server4
--echo server4
SET @debug_saved_s4= @@GLOBAL.DEBUG;
SET @@GLOBAL.DEBUG= '+d,group_replication_compatibility_higher_minor_version';
--source include/start_group_replication.inc
# Check the data is there
--let $assert_text= On the recovered member, the table should contain 1 elements
--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1;
--source include/assert.inc
--echo #
--echo # Remove server 1 and server 2
--echo # Try to add a new member with a base version than member 1
--echo # Version = Base version
--echo # The member will join the group because of server 4 which has
--echo # same major version
--echo #
--connection server1
--echo server1
--source include/stop_group_replication.inc
--connection server2
--echo server2
--source include/stop_group_replication.inc
--connection server5
--echo server5
--source include/start_group_replication.inc
# Check the data is there
--let $assert_text= On the recovered member, the table should contain 1 elements
--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1;
--source include/assert.inc
--echo #
--echo # Remove all servers with base major version.
--echo # Try to add a new member with a base version.
--echo # Version = Base version
--echo # The member will not join the group because of server 3
--echo # has higher major version.
--echo #
--connection server4
--echo server4
--source include/stop_group_replication.inc
--connection server5
--echo server5
--source include/stop_group_replication.inc
SET session sql_log_bin=0;
call mtr.add_suppression("Member version is incompatible with the group");
SET session sql_log_bin=1;
--eval SET GLOBAL group_replication_group_name= "$group_replication_group_name"
--error ER_GROUP_REPLICATION_CONFIGURATION
START GROUP_REPLICATION;
--echo #
--echo # Clean up
--echo #
--connection server3
--echo server3
--source include/stop_group_replication.inc
SET @@GLOBAL.DEBUG= @debug_save_s3;
--source ../inc/start_and_bootstrap_group_replication.inc
--connection server1
--echo server1
SET @@GLOBAL.DEBUG= @debug_save_s1;
--source include/start_group_replication.inc
--connection server2
--echo server2
SET @@GLOBAL.DEBUG= @debug_save_s2;
--source include/start_group_replication.inc
--connection server4
--echo server4
SET @@GLOBAL.DEBUG= @debug_save_s4;
--source include/start_group_replication.inc
--connection server5
--echo server5
--source include/start_group_replication.inc
DROP TABLE t1;
--source ../inc/group_replication_end.inc