################################################################################
# Test script to test UNDO tablespace encryption setting to be displayed in
# INFORMATION_SCHEMA.INNODB_TABLESPACES.
################################################################################

--source include/have_debug.inc

# Note:
#  Due to encrypt options used below its not possible to return to clean
#  state: create and use separate datadir for this test

--echo #
--echo # Bug #31467626 : SERVER CRASH OBSERVED AT ROTATE_INNODB_MASTER_KEY
--echo #

let SEARCH_FILE = $MYSQLTEST_VARDIR/log/mysqld.1.err;
let $MYSQL_DATA_DIR = `select @@datadir`;

SHOW VARIABLES LIKE "%innodb_undo_log_encrypt%";

--let $INNODB_FILE_PER_TABLE= `SELECT @@innodb_file_per_table`
--let $PAGE_SIZE= `select @@innodb_page_size`
--let $LOG_SIZE= `select @@innodb_redo_log_capacity`

--let $MYSQL_ENC_DATADIR= $MYSQL_TMP_DIR/undo_tablespace_encrypt_dir
--mkdir $MYSQL_ENC_DATADIR

--let $BOOTSTRAP_LOG= $MYSQL_TMP_DIR/bootstrap_encrypt.log

--let $BOOTSTRAP_SQL= $MYSQL_TMP_DIR/boot.sql
--write_file $BOOTSTRAP_SQL
CREATE DATABASE test;
EOF

--source include/shutdown_mysqld.inc
--source include/wait_until_disconnected.inc

--let NEW_CMD = $MYSQLD --no-defaults --innodb_dedicated_server=OFF --initialize-insecure --innodb_redo_log_capacity=$LOG_SIZE --innodb_page_size=$PAGE_SIZE --datadir=$MYSQL_ENC_DATADIR --init-file=$BOOTSTRAP_SQL --secure-file-priv="" >>$BOOTSTRAP_LOG 2>&1
--exec $NEW_CMD

--echo ###############################################################################
--echo # With keyring plugin and innodb_undo_log_encrypt=ON
--echo ###############################################################################
--let $restart_parameters="restart: --datadir=$MYSQL_ENC_DATADIR --log_error_verbosity=3 --early-plugin-load="keyring_file=$KEYRING_PLUGIN" $KEYRING_PLUGIN_OPT --keyring_file_data=$MYSQL_TMP_DIR/my_keyfile --innodb_undo_log_encrypt=ON --log-error=$MYSQLTEST_VARDIR/log/mysqld.1.err "
--source include/start_mysqld_no_echo.inc

SHOW VARIABLES LIKE "%innodb_undo_log_encrypt%";

CREATE UNDO TABLESPACE undo_003 ADD DATAFILE 'undo_003.ibu';
CREATE UNDO TABLESPACE undo_004 ADD DATAFILE 'undo_004.ibu';
SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';
SHOW VARIABLES LIKE "%innodb_undo_log_encrypt%";

CREATE DATABASE crypt;
DROP PROCEDURE IF EXISTS crypt.rotate_and_truncate;
DELIMITER |;
CREATE PROCEDURE crypt.rotate_and_truncate(IN start BIGINT)
BEGIN
	SET @idx = start;
	SET global innodb_undo_log_encrypt=ON;
	WHILE (@idx > 0) DO
		ALTER UNDO TABLESPACE undo_003 SET ACTIVE;
		ALTER UNDO TABLESPACE undo_004 SET ACTIVE;
		ALTER INSTANCE ROTATE INNODB MASTER KEY;
		ALTER UNDO TABLESPACE undo_003 SET INACTIVE;
		ALTER UNDO TABLESPACE undo_004 SET INACTIVE;
		SET @idx = @idx - 1;
	END WHILE;
END|
DELIMITER ;|

call crypt.rotate_and_truncate(50);

ALTER UNDO TABLESPACE undo_003 SET ACTIVE;
ALTER UNDO TABLESPACE undo_004 SET ACTIVE;

SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';

--echo #
--echo # Make sure the rotation code recovers when
--echo # one of the tables cannot be rotated.
--echo #
SET SESSION DEBUG="+d,ib_encryption_rotate_skip";
ALTER INSTANCE ROTATE INNODB MASTER KEY;
SET SESSION DEBUG="-d,ib_encryption_rotate_skip";
let SEARCH_PATTERN = ib_encryption_rotate_skip;
--source include/search_pattern.inc

SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';

ALTER INSTANCE ROTATE INNODB MASTER KEY;
SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';

--echo #
--echo # Get the UNDO tablespaces ready to drop
--echo #
ALTER UNDO TABLESPACE undo_003 SET INACTIVE;
let $inactive_undo_space = undo_003;
source include/wait_until_undo_space_is_empty.inc;

SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';

--echo #
--echo # Be sure that undo tablespaces can be dropped when a concurrent
--echo # ENCRYPTION ROTATE is occurring
--echo #

--echo # Start and pause a ROTATE INNODB MASTER KEY in a second thread
connect (con2,localhost,root);
SET DEBUG_SYNC='ib_pause_encryption_rotate SIGNAL rotate_paused WAIT_FOR rotate_go';
# This ROTATE thread will get an exclusive backup lock and wait.
--send ALTER INSTANCE ROTATE INNODB MASTER KEY

connection default;
SET DEBUG_SYNC='now WAIT_FOR rotate_paused';

--echo # In a third thread, try to drop an undo tablespace
connect (con3,localhost,root);
# This command should wait for a shared backup lock
--send DROP UNDO TABLESPACE undo_003

--echo # In a fourth thread, try to set an undo tablespace inactive
--echo # which would cause the purge thread to truncate it.
connect (con4,localhost,root);
# This command should wait for a shared backup lock.
--send ALTER UNDO TABLESPACE undo_004 SET INACTIVE;

--echo # Switch to the default thread and check that the DDL are waiting
connection default;
--sleep 2

# This log message should NOT be found because the thread is
# waiting on the ROTATE thread which has an exclusive backup lock
let SEARCH_PATTERN = Dropped undo tablespace 'undo_003';
--source include/search_pattern.inc

# This should show that 'undo_004 is still active.
SELECT NAME, SPACE_TYPE, ENCRYPTION, STATE FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE SPACE_TYPE='Undo';

--echo # Resume the ROTATE thread.
SET DEBUG_SYNC='now SIGNAL rotate_go';

--echo # Reap the other three threads.
connection con2;
--reap
connection con3;
--reap
connection con4;
--reap

--echo # Return to the default thread and disconnect the other three.
connection default;
disconnect con2;
disconnect con3;
disconnect con4;

--echo #
--echo # Cleanup
--echo #
let $inactive_undo_space = undo_004;
source include/wait_until_undo_space_is_empty.inc;
DROP UNDO TABLESPACE undo_004;
DROP PROCEDURE crypt.rotate_and_truncate;
DROP DATABASE crypt;

--echo # Reset to initial state
--let $restart_parameters="restart:"
--source include/restart_mysqld.inc

# Now these log message should be found.
# The 'Encryption' message should occur in the log before the 'Dropped' messages.
let SEARCH_PATTERN = The InnoDB Encryption Master Key has been rotated;
--source include/search_pattern.inc
let SEARCH_PATTERN = Dropped undo tablespace 'undo_003';
--source include/search_pattern.inc
let SEARCH_PATTERN = Dropped undo tablespace 'undo_004';
--source include/search_pattern.inc

--remove_file $MYSQL_TMP_DIR/my_keyfile
--remove_file $BOOTSTRAP_LOG
--remove_file $BOOTSTRAP_SQL
--force-rmdir $MYSQL_ENC_DATADIR