#########
# SETUP #
#########

#########################################################################
# RESTART 1 : WITH KEYRING PLUGIN
#########################################################################
# Create a new 'unencrypted' tablespace 'encrypt_ts'
SELECT NAME, FLAG, SPACE_TYPE FROM information_schema.INNODB_TABLESPACES
where NAME="encrypt_ts";
NAME	FLAG	SPACE_TYPE
create tablespace encrypt_ts add datafile 'encrypt_ts.ibd'
	 engine=INNODB encryption='N';
SELECT NAME, FLAG, SPACE_TYPE FROM information_schema.INNODB_TABLESPACES
where NAME="encrypt_ts";
NAME	FLAG	SPACE_TYPE
encrypt_ts	18432	General
# Create a table test.t1 in 'encrypt_ts' tablespace and insert some records.
create table test.t1 (c char(20)) tablespace encrypt_ts;
insert into test.t1 values ("samplerecord");
set global innodb_buf_flush_list_now = 1;
#############################################################
# INITIAL SETUP : Tablespace is created as unencrypted      #
#                 A table is created and rows are inserted  #
#############################################################
# Check that tablespace file is not encrypted yet
# Print result
table space is Unencrypted.
############################################################
# ALTER TABLESPACE 1 :    Unencrypted => Encrypted         #
############################################################
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
set global innodb_buf_flush_list_now = 1;
# Check that tablespace file is encrypted now
# Print result
table space is Encrypted.
############################################################
# ALTER TABLESPACE 2 :    Encrypted => Unencrypted         #
############################################################
ALTER TABLESPACE encrypt_ts ENCRYPTION='N';
set global innodb_buf_flush_list_now = 1;
# Check that tablespace file is not encrypted now
# Print result
table space is Unencrypted.

################# CRASH/RECOVERY TESTING ###################

############################################################
# ALTER TABLESPACE 3 :    Unencrypted => Encrypted         #
#                         (crash at page 10)               #
############################################################
SELECT COUNT(*) FROM test.t1;
COUNT(*)
4096
set global innodb_buf_flush_list_now = 1;
# Check that tablespace file is still unencrypted
# Print result
table space is Unencrypted.
# Set Encryption process to crash at page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
# Wait for Encryption processing to finish in background thread
# After restart/recovery, check that Encryption was roll-forward and
# tablespace file is encrypted now
# Print result
table space is Encrypted.
############################################################
# ALTER TABLESPACE 4 :    Encrypted => Unencrypted         #
#                         (crash at page 10)               #
############################################################
SELECT COUNT(*) FROM test.t1;
COUNT(*)
4096
# Check that tablespace file is Encrypted
# Print result
table space is Encrypted.
# Set Encryption process to crash after page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';
ALTER TABLESPACE encrypt_ts ENCRYPTION='N';
# Wait for Unencryption processing to finish in background thread
# After restart/recovery, check that Unencryption was roll-forward and
# tablespace file is Unencrypted now
# Print result
table space is Unencrypted.
###########
# CLEANUP #
###########
DROP TABLE test.t1;
DROP TABLESPACE encrypt_ts;
# Restarting server without keyring to restore server state
# restart: