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# ==== Purpose ====
#
# This test will fake an upgrade from MySQL 5.6.30 to MySQL 5.7.13+, with
# respect to the slave_master_info table, certifying that all slave
# capabilities remain operational after the upgrade. It will also ensure that
# a slave with Tls_version field of mysql.slave_master_info table switched
# position with Channel_name field will handle the failure properly. Finally
# it will setup and use three channels (default + two), will change the
# repository table and will restart the slave to assert the expected errors
# on generating the slave infrastructure based on the repository during
# server initialization.
#
# First part: the upgrade
#
# The test case will drop the current slave_master_info table, creating one
# just like MySQL 5.6.30 installation would create.
#
# Then, the test case will call mysql_upgrade, and will restart the slave
# after the upgrade.
#
# The test case will create two additional channels, assert that the channels
# were created and are displayed at SHOW SLAVE STATUS, will execute a RESET
# SLAVE ALL and will recreate the default channel.
#
# Finally, the test will generate some workload on the master and will sync
# the slave before finishing the test case.
#
# Second part: switching positions of Tls_version and Channel_name
#
# For this part, the test case will alter the table and try to perform
# some channel operations.
#
# Notice that in this test case, because we need to run mysql_upgrade, we
# inverted the server's roles (slave is server #1 and master is server #2).
#
# Third part: switching positions of Tls_version and Channel_name after having
#             channels configured and used.
#
# For this part, the test case will create and use (generating workload on the
# master and waiting for it to be replicated) three channels (the default + two
# additional channels). Then, the test will stop the slave, will alter the
# repository table and will restart the slave server. After restarting, it will
# try to perform some channel operations.
#
# Notice that in this test case, because we need to run mysql_upgrade, we
# inverted the server's roles (slave is server #1 and master is server #2).
#
# ==== Related Bugs and Worklogs ====
#
# BUG#23180202 REPLICATION CHANNELS ARE GETTING SAME NAME IN MSR AFTER UPGRADE
#

--source include/not_group_replication_plugin.inc
--source include/not_gtid_enabled.inc
# This test case is binary log format agnostic
--source include/have_binlog_format_mixed.inc
# Using this unusual topology because of mysql_upgrade
--let $rpl_topology= 2->1
--source include/rpl_init.inc

# First part: the upgrade

--echo # DROP slave_master_info table and re-create it as of MySQL 5.6.30
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
CALL mtr.add_suppression('A slave with the same server_uuid/server_id as this slave has connected to the master');
--source include/stop_slave.inc
USE mysql;
DROP TABLE `slave_master_info`;
CREATE TABLE `slave_master_info` (
  `Number_of_lines` INT(10) UNSIGNED NOT NULL COMMENT 'Number of lines in the file.',
  `Master_log_name` TEXT CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'The name of the master binary log currently being read from the master.',
  `Master_log_pos` bigint(20) UNSIGNED NOT NULL COMMENT 'The master log position of the last read event.',
  `Host` CHAR(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '' COMMENT 'The host name of the master.',
  `User_name` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The user name used to connect to the master.',
  `User_password` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The password used to connect to the master.',
  `Port` INT(10) UNSIGNED NOT NULL COMMENT 'The network port used to connect to the master.',
  `Connect_retry` INT(10) UNSIGNED NOT NULL COMMENT 'The period (in seconds) that the slave will wait before trying to reconnect to the master.',
  `Enabled_ssl` TINYINT(1) NOT NULL COMMENT 'Indicates whether the server supports SSL connections.',
  `Ssl_ca` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The file used for the Certificate Authority (CA) certificate.',
  `Ssl_capath` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The path to the Certificate Authority (CA) certificates.',
  `Ssl_cert` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The name of the SSL certificate file.',
  `Ssl_cipher` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The name of the cipher in use for the SSL connection.',
  `Ssl_key` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The name of the SSL key file.',
  `Ssl_verify_server_cert` TINYINT(1) NOT NULL COMMENT 'Whether to verify the server certificate.',
  `Heartbeat` FLOAT NOT NULL,
  `Bind` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'Displays which interface is employed when connecting to the MySQL server',
  `Ignored_server_ids` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The number of server IDs to be ignored, followed by the actual server IDs',
  `Uuid` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The master server uuid.',
  `Retry_count` BIGINT(20) UNSIGNED NOT NULL COMMENT 'Number of reconnect attempts, to the master, before giving up.',
  `Ssl_crl` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The file used for the Certificate Revocation List (CRL)',
  `Ssl_crlpath` TEXT CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'The path used for Certificate Revocation List (CRL) files',
  `Enabled_auto_position` TINYINT(1) NOT NULL COMMENT 'Indicates whether GTIDs will be used to retrieve events from the master.',
  PRIMARY KEY (`Host`,`Port`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 STATS_PERSISTENT=0 COMMENT='Master Information';

--echo # Running mysql_upgrade to update slave_master_info table
--disable_result_log
--exec $MYSQL_UPGRADE --skip-verbose --skip-sys-schema --force 2>&1
--enable_result_log

--let $rpl_server_number= 1
--source include/rpl_restart_server.inc

# Create two additional channels on the slave
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc

--replace_result $SERVER_MYPORT_2 MASTER_PORT
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2 FOR CHANNEL 'channel_1'
--replace_result $SERVER_MYPORT_2 MASTER_PORT
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2 FOR CHANNEL 'channel_2'

# Assert that all three channels are reached by name in SHOW SLAVE STATUS
--let $channel_name= query_get_value(SHOW SLAVE STATUS, Channel_Name, 1)
--let $assert_text= Default channel name is ''
--let $assert_cond= "$channel_name" = ""
--source include/assert.inc

--let $channel_name= query_get_value(SHOW SLAVE STATUS, Channel_Name, 2)
--let $assert_text= Second channel name is 'channel_1'
--let $assert_cond= "$channel_name" = "channel_1"
--source include/assert.inc

--let $channel_name= query_get_value(SHOW SLAVE STATUS, Channel_Name, 3)
--let $assert_text= Third channel name is 'channel_2'
--let $assert_cond= "$channel_name" = "channel_2"
--source include/assert.inc

# Stop slave and reset the slave removing all channels
--source include/stop_slave.inc
RESET SLAVE ALL;

# Create the default channel again
--replace_result $SERVER_MYPORT_2 MASTER_PORT
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2
--source include/start_slave.inc

# Generate traffic on the master
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
CREATE TABLE t1 (c1 INT);
INSERT INTO t1 VALUES (1);
--source include/save_master_pos.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/sync_slave_sql.inc

# In order to make check-testcase.test happy, we need to do two small changes
# on mysql.slave_master_info table

ALTER TABLE slave_master_info
  MODIFY Host CHAR(64) CHARACTER SET utf8 COLLATE utf8_bin NULL COMMENT 'The host name of the master.',
  ALTER COLUMN Channel_name DROP DEFAULT;

# Second part: switching positions of Tls_version and Channel_name

--source include/stop_slave.inc

# The slave will throw the following errors:
CALL mtr.add_suppression('Info table has a problem with its key field.*slave_master_info');
CALL mtr.add_suppression('Error in checking mysql.slave_master_info repository info type of TABLE');
CALL mtr.add_suppression('Error creating master info');

# Change the position of the slave_master_info table primary key
ALTER TABLE slave_master_info
  MODIFY Channel_name CHAR(64) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
  COMMENT 'The channel on which the slave is connected to a source. Used in Multisource Replication'
  AFTER Tls_version;

# We cannot perform repository operations until the repository be fixed

--error ER_MASTER_INFO
RESET SLAVE ALL;

# File to GREP
--let $assert_file=$MYSQLTEST_VARDIR/tmp/slave.err
# Show entries only after the last occurrence of the following pattern
--let $assert_only_after=.* \[Note\] Shutting down slave threads
# Each test will log only one warning line
--let $assert_count= 1
# Assert that there is the expected warning log line but just after the last restart
--let $assert_select=.* \[ERROR\] Info table has a problem with its key field.*slave_master_info
--let $assert_text= Found the expected error line in the error log.
--source include/assert_grep.inc

--replace_result $SERVER_MYPORT_2 MASTER_PORT
--error ER_SLAVE_CONFIGURATION
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2

--error ER_SLAVE_CONFIGURATION
START SLAVE;

# Restore the position of the slave_master_info table primary key
ALTER TABLE slave_master_info
  MODIFY Channel_name CHAR(64) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
  COMMENT 'The channel on which the slave is connected to a source. Used in Multisource Replication'
  AFTER Enabled_auto_position;

--let $rpl_server_number= 1
--source include/rpl_restart_server.inc

# This now should work fine now
RESET SLAVE ALL;

# Create the default channel again
# to replicate from the last synced position
--replace_result $SERVER_MYPORT_2 MASTER_PORT $_saved_file FILE $_saved_pos POS
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2, MASTER_LOG_FILE='$_saved_file', MASTER_LOG_POS=$_saved_pos
--source include/start_slave.inc

# Third part: switching positions of Tls_version and Channel_name after having
#             channels configured and used.

# The slave will throw the following errors:
CALL mtr.add_suppression('Failed to create a channel from master info table repository');
CALL mtr.add_suppression('Could not create channel list');
CALL mtr.add_suppression('Failed to create or recover replication info repositories');

# Make each channel to replicate something
# On default channel
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
INSERT INTO t1 VALUES (2);
--let $sync_slave_connection= server_1
# [--let $rpl_channel_name= NAME]
--source include/sync_slave_sql_with_master.inc
--source include/stop_slave.inc

# On channel_1
--replace_result $SERVER_MYPORT_2 MASTER_PORT $_saved_file FILE $_saved_pos POS
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2, MASTER_LOG_FILE='$_saved_file', MASTER_LOG_POS=$_saved_pos FOR CHANNEL 'channel_1'
--let $rpl_channel_name= channel_1
--source include/start_slave.inc
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
INSERT INTO t1 VALUES (3);
--let $sync_slave_connection= server_1
--source include/sync_slave_sql_with_master.inc
--source include/stop_slave.inc

# On channel_2
--replace_result $SERVER_MYPORT_2 MASTER_PORT $_saved_file FILE $_saved_pos POS
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2, MASTER_LOG_FILE='$_saved_file', MASTER_LOG_POS=$_saved_pos FOR CHANNEL 'channel_2'
--let $rpl_channel_name= channel_2
--source include/start_slave.inc
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
INSERT INTO t1 VALUES (4);
--let $sync_slave_connection= server_1
--source include/sync_slave_sql_with_master.inc
--source include/stop_slave.inc

# Change the position of the slave_master_info table primary key
ALTER TABLE slave_master_info
  MODIFY Channel_name CHAR(64) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
  COMMENT 'The channel on which the slave is connected to a source. Used in Multisource Replication'
  AFTER Tls_version;

--let $rpl_server_number= 1
--source include/rpl_restart_server.inc

# We cannot perform repository operations until the repository be fixed
--error ER_SLAVE_CONFIGURATION
RESET SLAVE ALL;

# File to GREP
--let $assert_file=$MYSQLTEST_VARDIR/tmp/slave.err
# Show entries only after the last occurrence of the following pattern
--let $assert_only_after=.* \[Note\] Shutting down slave threads
# Each test will log only one warning line
--let $assert_count= 1
# Assert that there is the expected warning log line but just after the last restart
--let $assert_select=.* \[ERROR\] Slave: Failed to create a channel from master info table repository
--let $assert_text= Found the expected error line in the error log generated on server startup.
--source include/assert_grep.inc

# Restore the position of the slave_master_info table primary key
ALTER TABLE slave_master_info
  MODIFY Channel_name CHAR(64) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
  COMMENT 'The channel on which the slave is connected to a source. Used in Multisource Replication'
  AFTER Enabled_auto_position;

--let $rpl_server_number= 1
--source include/rpl_restart_server.inc

# This now should work fine now
--let $rpl_channel_name=
--let $slave_io_errno= convert_error(ER_MASTER_FATAL_ERROR_READING_BINLOG)
--source include/stop_slave.inc
RESET SLAVE ALL;

# Create the default channel again
# to replicate from the last synced position
--replace_result $SERVER_MYPORT_2 MASTER_PORT $_saved_file FILE $_saved_pos POS
--eval CHANGE MASTER TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=$SERVER_MYPORT_2, MASTER_LOG_FILE='$_saved_file', MASTER_LOG_POS=$_saved_pos
--source include/start_slave.inc

# Cleanup
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
DROP TABLE t1;
--source include/rpl_end.inc