File: tablespace_encrypt_2.test

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (488 lines) | stat: -rw-r--r-- 20,453 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
################################################################################
# InnoDB transparent tablespace data encryption for general shared tablespace.
# This test case will test
#    - Crash during altering an encrypted tablespace
#        - encryption='y' to encryption='n'
#        - encryption='n' to encryption='y'
#    - Crash during altering an encrypted tablespace (Compressed)
#        - encryption='y' to encryption='n'
#        - encryption='n' to encryption='y'
#    - Crash
#        - just before encryption processing starts
#        - just after encryption processing finishes
#    - Crash during master key rotation
#    - Crash during creating an encrypted tablespace
#    - During alter tablespace encryption, DMLs are allowed and DDLs are blocked
################################################################################

--source include/big_test.inc
--source include/have_debug.inc
# --source include/no_valgrind_without_big.inc
# Disable in valgrind because of timeout, cf. Bug#22760145
--source include/not_valgrind.inc
# Waiting time when (re)starting the server
--let $explicit_default_wait_counter=10000

--disable_query_log
call mtr.add_suppression("ibd can't be decrypted, please confirm the keyring is loaded.");
call mtr.add_suppression("\\[Error\\] \\[[^]]*\\] \\[[^]]*\\] Encryption can't find master key, please check the keyring Is loaded.");
call mtr.add_suppression("\\[ERROR\\] \\[[^]]*\\] \\[[^]]*\\] Check keyring fail, please check the keyring is loaded.");
call mtr.add_suppression("\\[Warning\\] \\[MY-013674\\] \\[InnoDB\\] Decrypting a page in doublewrite file failed: space_id=");
call mtr.add_suppression("\\[Warning\\] \\[MY-013675\\] \\[InnoDB\\] Encryption key missing: space_id=");
call mtr.add_suppression("\\[ERROR\\] \\[[^]]*\\] \\[[^]]*\\] Encryption information in datafile: .* can't be decrypted, please confirm that keyring is loaded.");
--enable_query_log

--echo #########################################################################
--echo # START : WITHOUT KEYRING PLUGIN
--echo #########################################################################
--echo
--echo #########
--echo # SETUP #
--echo #########

# Create an Unencrypted tablespace
CREATE TABLESPACE encrypt_ts ADD DATAFILE 'encrypt_ts.ibd' ENGINE=InnoDB ENCRYPTION="N";
# Create an unencrypted table in tablespace
CREATE TABLE t1(c1 char(100)) ENGINE=InnoDB TABLESPACE encrypt_ts;
# Insert few rows in table
--disable_query_log
INSERT INTO t1 VALUES ("SOME VALUES");
let $counter=12;
while ($counter>0)
{
  INSERT INTO test.t1 SELECT * FROM test.t1;
  dec $counter;
}
--enable_query_log

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
SELECT * FROM t1 LIMIT 10;

# Try to alter tablespace to be encrypted. Should fail as keyring is not laoded.
--error ER_CANNOT_FIND_KEY_IN_KEYRING
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';

--echo #############################################################
--echo # TEST 1 : CRASH DURING ALTER ENCRYPT A TABLESPACE.
--echo #############################################################
--echo
--echo #########################################################################
--echo # RESTART 1 : WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

--echo ############################################################
--echo # ALTER TABLESPACE 1 :    Unencrypted => Encrypted         #
--echo #                         (crash at page 10)               #
--echo ############################################################
--echo # Set Encryption process to crash at page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';

--echo # Encrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Encryption processing to finish in background thread
let $wait_condition = SELECT ENCRYPTION = 'Y'
        FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
        WHERE NAME='encrypt_ts';
--source include/wait_condition.inc

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

--echo # After restart/recovery, check that Encryption was roll-forward
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
SELECT * FROM t1 LIMIT 10;

--echo #########################################################################
--echo # RESTART 2 : WITHOUT KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart:;
--source include/restart_mysqld_no_echo.inc

# We shouldn't be able to read t1 records as it is encrypted now and keyring
# plugin is not loaded.
--error ER_CANNOT_FIND_KEY_IN_KEYRING
SELECT * FROM t1 LIMIT 10;

--echo #########################################################################
--echo # RESTART 3 : WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
SELECT * FROM t1 LIMIT 10;

--echo ############################################################
--echo # ALTER TABLESPACE 2 :    Encrypted => Unencrypted         #
--echo #                         (crash at page 10)               #
--echo ############################################################
--echo # Set Unencryption process to crash at page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';

--echo # Unencrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE encrypt_ts ENCRYPTION='N';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Unencryption processing to finish in background thread
let $wait_condition = SELECT ENCRYPTION = 'N'
        FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
        WHERE NAME='encrypt_ts';
--source include/wait_condition.inc

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

--echo # After restart/recovery, check that Unencryption was roll-forward
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
SELECT * FROM t1 LIMIT 10;

--echo #########################################################################
--echo # RESTART 4 : WITHOUT KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart:;
--source include/restart_mysqld_no_echo.inc

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
# We should be able to read t1 records even without OKV keyring plugin as it should
# be unencrypted now.
SELECT * FROM t1 LIMIT 10;

--echo ####################################################################
--echo # TEST 2 : CRASH DURING ALTER ENCRYPT A TABLESPACE (Compressed).
--echo ####################################################################
--echo
# Create an Unencrypted compressed tablespace
CREATE TABLESPACE compress_ts ADD DATAFILE 'compress_ts.ibd' ENGINE=InnoDB
	ENCRYPTION="N" FILE_BLOCK_SIZE=8192;
# Create an unencrypted table in tablespace
CREATE TABLE t2(c1 char(100)) ENGINE=InnoDB TABLESPACE compress_ts
	ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8;
# Insert few rows in table
--disable_query_log
INSERT INTO t2 VALUES ("SOME VALUES");
let $counter=12;
while ($counter>0)
{
  INSERT INTO test.t2 SELECT * FROM test.t1;
  dec $counter;
}
--enable_query_log

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME='compress_ts';
SELECT * FROM t2 LIMIT 10;

--echo #########################################################################
--echo # RESTART 5 : WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

--echo ############################################################
--echo # ALTER TABLESPACE 1 :    Unencrypted => Encrypted         #
--echo #                         (crash at page 10)               #
--echo ############################################################
--echo # Set Encryption process to crash at page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';

--echo # Encrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE compress_ts ENCRYPTION='Y';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Encryption processing to finish in background thread
let $wait_condition = SELECT ENCRYPTION = 'Y'
        FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
        WHERE NAME='compress_ts';
--source include/wait_condition.inc

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

--echo # After restart/recovery, check that Encryption was roll-forward
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME='compress_ts';
SELECT * FROM t2 LIMIT 10;

--echo #########################################################################
--echo # RESTART 6 : WITHOUT KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart:;
--source include/restart_mysqld_no_echo.inc

# We shouldn't be able to read t2 records as it is encrypted now and keyring
# plugin is not loaded.
--error ER_CANNOT_FIND_KEY_IN_KEYRING
SELECT * FROM t2 LIMIT 10;

--echo #########################################################################
--echo # RESTART 7 WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME='compress_ts';
SELECT * FROM t2 LIMIT 10;

--echo ############################################################
--echo # ALTER TABLESPACE 2 :    Encrypted => Unencrypted         #
--echo #                         (crash at page 10)               #
--echo ############################################################
--echo # Set Unencryption process to crash at page 10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';

--echo # Unencrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE compress_ts ENCRYPTION='N';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Unencryption processing to finish in background thread
let $wait_condition = SELECT ENCRYPTION = 'N'
        FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
        WHERE NAME='compress_ts';
--source include/wait_condition.inc

# Make sure ts file is updated with new records in table
set global innodb_buf_flush_list_now = 1;

--echo # After restart/recovery, check that Unencryption was roll-forward
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME='compress_ts';
SELECT * FROM t2 LIMIT 10;

--echo #########################################################################
--echo # RESTART 8 : WITHOUT KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart:;
--source include/restart_mysqld_no_echo.inc

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
# We should be able to read t1 records even without keyring plugin as it should
# be unencrypted now.
SELECT * FROM t2 LIMIT 10;

DROP TABLE t2;
DROP TABLESPACE compress_ts;

--echo #############################################################
--echo # TEST 3 : CRASH BEFORE/AFTER ENCRYPTION PROCESSING.
--echo #############################################################
--echo
--echo #########################################################################
--echo # RESTART 9 : WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

# Encrypt tablespace
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
# Read rows from table
SELECT * FROM t1 LIMIT 10;

--echo # Set server to crash just before encryption processing starts
SET SESSION debug="+d,alter_encrypt_tablespace_crash_before_processing";

--echo # Unencrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE encrypt_ts ENCRYPTION='N';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Unencryption processing to finish in background thread
let $wait_condition = select count(*) = 0
        from performance_schema.events_stages_current
        where EVENT_NAME='stage/innodb/alter tablespace (encryption)';
--source include/wait_condition.inc

# Encrytion property of tablespace shouldn't have changed i.e. it should still
# be encrypted.
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';


--echo # Set server to crash just after encryption processing finishes
SET SESSION debug="-d,alter_encrypt_tablespace_crash_before_processing";
SET SESSION debug="+d,alter_encrypt_tablespace_crash_after_processing";

--echo # Unencrypt the tablespace. It will cause crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER TABLESPACE encrypt_ts ENCRYPTION='N';
--echo # Restart after crash
--source include/start_mysqld_no_echo.inc

--echo # Wait for Unencryption processing to finish in background thread
let $wait_condition = select count(*) = 0
        from performance_schema.events_stages_current
        where EVENT_NAME='stage/innodb/alter tablespace (encryption)';
--source include/wait_condition.inc

# Encrytion property of tablespace should have changed i.e. it should be
# unencrypted now.
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';

--echo #############################################################
--echo # TEST 4 : CRASH DURING KEY ROTATION.
--echo #############################################################
--echo
--echo #########################################################################
--echo # RESTART 10 : WITH KEYRING PLUGIN
--echo #########################################################################
let $restart_parameters = restart: --early-plugin-load=keyring_file=$KEYRING_PLUGIN --loose-keyring_file_data=$MYSQL_TMP_DIR/mysecret_keyring $KEYRING_PLUGIN_OPT;
--source include/restart_mysqld_no_echo.inc

# Encrypt tablespace
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
# Read rows from table
SELECT * FROM t1 LIMIT 10;

--echo # Set server to crash while rotating encryption
SET SESSION debug="+d,ib_crash_during_rotation_for_encryption";

# Rotate the key. It will cause server to crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
ALTER INSTANCE ROTATE INNODB MASTER KEY;

--echo # Restart after crash
--source include/start_mysqld_no_echo.inc
# Read rows from table
SELECT * FROM t1 LIMIT 10;

# Rotate the key.
SET SESSION debug="-d,ib_crash_during_rotation_for_encryption";
ALTER INSTANCE ROTATE INNODB MASTER KEY;
# Read rows from table
SELECT * FROM t1 LIMIT 10;

--echo ###############################################################
--echo # TEST 5 : CRASH DURING CREATING AN ENCRYPTED TABLESPACE
--echo ###############################################################
--echo
--echo # Set server to crash while creating an encrypted tablespace
SET SESSION debug="+d,ib_crash_during_create_tablespace_for_encryption";

--echo # Try to create an encrypted tablespace. It will cause server to crash.
--source include/expect_crash.inc
--error 0,CR_SERVER_LOST,ER_INTERNAL_ERROR
CREATE TABLESPACE encrypt_ts_2 ADD DATAFILE 'encrypt_ts_2.ibd' ENGINE=InnoDB ENCRYPTION="Y";

--echo # Restart after crash
--source include/start_mysqld_no_echo.inc
SET SESSION debug="-d,ib_crash_during_create_tablespace_for_encryption";

SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME LIKE "%encrypt_ts%";

--echo ###############################################################
--echo # TEST 6 : DMLs ALLOWED AND DDLs BLOCKED TEST
--echo ###############################################################

# Make sure metadata locks instrumentation is enabled
SELECT ENABLED FROM performance_schema.setup_instruments
	WHERE NAME='wait/lock/metadata/sql/mdl';

let $con_default_thread_id= `select THREAD_ID from performance_schema.threads
				where PROCESSLIST_ID = connection_id()`;

SET DEBUG_SYNC = 'innodb_alter_encrypt_tablespace SIGNAL s1 WAIT_FOR s2';
--send ALTER TABLESPACE encrypt_ts ENCRYPTION='N';

--echo # Session 2
connect(con2, localhost, root,,);
--connection con2
let $con2_thread_id= `select THREAD_ID from performance_schema.threads
			where PROCESSLIST_ID = connection_id()`;
SET DEBUG_SYNC = 'now WAIT_FOR s1';
# Make sure MDL on tablespace is GRANTED to 'default connection' thread.
--disable_query_log
eval SELECT OBJECT_TYPE, OBJECT_NAME, LOCK_TYPE, LOCK_DURATION, LOCK_STATUS
	FROM performance_schema.metadata_locks
	WHERE OBJECT_NAME='encrypt_ts' AND
	OWNER_THREAD_ID = $con_default_thread_id;
--enable_query_log
# Try to run some DMLs. Should be allowed.
DESCRIBE t1;
SHOW CREATE TABLE t1;
SELECT COUNT(*) FROM t1;
INSERT INTO t1 VALUES ("SOME VALUES");
SELECT COUNT(*) from t1;
# Try to run a DDL. Should be blocked.
--send ALTER TABLE t1 ADD COLUMN (c2 int);

--echo # Monitoring session
connect(conmon, localhost, root,,);
--connection conmon
# Make sure 'connection default' thread has MDL request GRANTED.
--disable_query_log
eval SELECT OBJECT_TYPE, OBJECT_NAME, LOCK_TYPE, LOCK_DURATION, LOCK_STATUS
	FROM performance_schema.metadata_locks
	WHERE OBJECT_NAME='encrypt_ts' AND
	OWNER_THREAD_ID = $con_default_thread_id;
--echo # Wait for MDL request by con2 to appear in metadata_locks table.
let $wait_condition = SELECT LOCK_STATUS = 'PENDING'
        FROM performance_schema.metadata_locks
        WHERE OBJECT_NAME='t1' AND
        OWNER_THREAD_ID = $con2_thread_id;
--source include/wait_condition.inc
# Make sure con2 thread has MDL request in PENDING state.
eval SELECT OBJECT_TYPE, OBJECT_NAME, LOCK_TYPE, LOCK_DURATION, LOCK_STATUS
	FROM performance_schema.metadata_locks
	WHERE OBJECT_NAME='t1' AND
	OWNER_THREAD_ID = $con2_thread_id;
--enable_query_log

# Allow 'default connection' thread to proceed
SET DEBUG_SYNC = 'now SIGNAL s2';

--echo # Connection default
--connection default
--reap

--echo # Connection con2
--connection con2
--reap

--echo # Connection default
--connection default
# Make sure Tablespace 'unencryption' is done.
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES
	WHERE NAME LIKE "%encrypt_ts%";
# Make sure table DDL is done.
DESCRIBE t1;
SHOW CREATE TABLE t1;

--echo ###########
--echo # Cleanup #
--echo ###########
--disconnect con2
--disconnect conmon

DROP TABLE t1;
DROP TABLESPACE encrypt_ts;
remove_file $MYSQL_TMP_DIR/mysecret_keyring;

--echo # Restarting server without keyring to restore server state
let $restart_parameters = restart: ;
--source include/restart_mysqld.inc