mariadb/mysql-test/suite/binlog_encryption/encrypted_master_switch_to_unencrypted.test

#
# TODO: write here what the test checks after MDEV-11288 is fixed
#
# The test starts with unencrypted master. 
# It stops replication, generates a few statement and row events
# on the master, then restarts the server with encrypted binlog, 
# generates some more events and restarts it back without encryption 
# (no encryption plugin).
# Then it resumes replication and checks what happens when the server
# tries to feed the binary logs (included the encrypted ones) 
# to the slave.
#

--source include/have_binlog_format_mixed.inc

--echo #################
--echo # Initialization
--echo #################

--let $rpl_topology= 1->2
--source include/rpl_init.inc

--connection server_2
--source include/stop_slave.inc
CHANGE MASTER TO MASTER_USE_GTID=NO;
--source include/start_slave.inc

--connection server_1

--enable_connect_log

# We stop replication because we want it to happen after the switch

--connection server_2
--disable_connect_log
--source include/stop_slave.inc
--enable_connect_log

--echo #####################################################
--echo # Part 1: unencrypted master
--echo #####################################################

--connection server_1

call mtr.add_suppression("Got fatal error 1236 from master when reading data from binary log: 'Could not decrypt binlog: encryption key error;");

CREATE TABLE table1_no_encryption (
  pk INT AUTO_INCREMENT PRIMARY KEY,
  ts TIMESTAMP NULL,
  b BLOB
) ENGINE=MyISAM; 

INSERT INTO table1_no_encryption VALUES (NULL,NOW(),'data_no_encryption');
INSERT INTO table1_no_encryption SELECT NULL,NOW(),b FROM table1_no_encryption;
FLUSH BINARY LOGS;
SET binlog_format=ROW;
INSERT INTO table1_no_encryption SELECT NULL,NOW(),b FROM table1_no_encryption;
INSERT INTO table1_no_encryption SELECT NULL,NOW(),b FROM table1_no_encryption;

# Make sure that binary logs are not encrypted

--let SEARCH_RANGE = 500000
--let SEARCH_FILE= master-bin.0*
--let SEARCH_PATTERN= table1_no_encryption
--source include/search_pattern_in_file.inc

# We are storing the position now, because up to this point the slave
# should be able to synchronize with master
--save_master_pos

--echo #####################################################
--echo # Part 2: restart master, now with binlog encryption
--echo #####################################################

--let $rpl_server_parameters= --encrypt-binlog=1 --plugin-load-add=file_key_management --file-key-management --loose-file-key-management-filename=$MYSQL_TEST_DIR/std_data/keys.txt

--let $rpl_server_number= 1
--source restart_server.inc

CREATE TABLE table2_to_encrypt (
  pk INT AUTO_INCREMENT PRIMARY KEY,
  ts TIMESTAMP NULL,
  b BLOB
) ENGINE=MyISAM; 

INSERT INTO table2_to_encrypt VALUES (NULL,NOW(),'data_to_encrypt');
INSERT INTO table2_to_encrypt SELECT NULL,NOW(),b FROM table2_to_encrypt;
FLUSH BINARY LOGS;
SET binlog_format=ROW;
INSERT INTO table2_to_encrypt SELECT NULL,NOW(),b FROM table2_to_encrypt;
INSERT INTO table2_to_encrypt SELECT NULL,NOW(),b FROM table2_to_encrypt;

# Make sure that binary logs are encrypted

--let SEARCH_FILE= master-bin.0*
--let SEARCH_PATTERN= table2_to_encrypt
--source include/search_pattern_in_file.inc

--echo #####################################################
--echo # Part 3: restart master again without encryption
--echo #####################################################

--let $rpl_server_parameters= --encrypt-binlog=0
--let $rpl_server_number= 1
--source restart_server.inc

CREATE TABLE table3_no_encryption (
  pk INT AUTO_INCREMENT PRIMARY KEY,
  ts TIMESTAMP NULL,
  b BLOB
) ENGINE=MyISAM; 

INSERT INTO table3_no_encryption VALUES (NULL,NOW(),'data_no_encryption');
INSERT INTO table3_no_encryption SELECT NULL,NOW(),b FROM table3_no_encryption;
INSERT INTO table3_no_encryption SELECT NULL,NOW(),b FROM table3_no_encryption;

--echo #####################################################
--echo # Check: resume replication and check how it goes
--echo #####################################################

--connection server_2
start slave;
# The slave should be able to synchronize with master up to 
# the previously saved position (when the log was still unencrypted)
--sync_with_master

--connection server_1
# Now save the current position and make slave to try to syncrhonize.
# It shouldn't work, the slave IO thread is expected to abort with an error
--save_master_pos

--connection server_2
--let slave_io_errno=1236
--source include/wait_for_slave_io_error.inc

--sorted_result
SHOW TABLES;

--disable_connect_log
--source include/stop_slave.inc
--enable_connect_log
--let $master_use_gtid_option= No
--source include/reset_slave.inc

--echo ##########
--echo # Cleanup
--echo ##########

--connection server_1
reset master;

SELECT COUNT(*) FROM table1_no_encryption;
SELECT COUNT(*) FROM table2_to_encrypt;
SELECT COUNT(*) FROM table3_no_encryption;
DROP TABLE table1_no_encryption, table2_to_encrypt, table3_no_encryption;

--connection server_2
--disable_connect_log
--source include/start_slave.inc
--source include/rpl_end.inc