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make @@wsrep_provider and @@wsrep_notify_cmd read-only

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this should simplify run-time cluster management
This commit is contained in:
Sergei Golubchik
2021-02-18 14:20:48 +01:00
parent cbbbdb9c3b
commit ce3a2a688d
17 changed files with 24 additions and 313 deletions
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2
mysql-test/suite/wsrep/disabled.def
View File

@ -10,3 +10,5 @@
#
##############################################################################
mdev_6832: wsrep_provider is read-only for security reasons

12
mysql-test/suite/wsrep/r/variables.result
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@ -14,7 +14,6 @@ SET SESSION wsrep_replicate_myisam= ON;
ERROR HY000: Variable 'wsrep_replicate_myisam' is a GLOBAL variable and should be set with SET GLOBAL
SET GLOBAL wsrep_replicate_myisam= ON;
SET GLOBAL wsrep_replicate_myisam= OFF;
SET GLOBAL wsrep_provider=none;
#
# MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
# variables when using "_"
@ -26,7 +25,6 @@ wsrep_local_state_comment #
# Should show nothing.
SHOW STATUS LIKE 'x';
Variable_name Value
SET GLOBAL wsrep_provider=none;
SHOW STATUS LIKE 'wsrep_local_state_uuid';
Variable_name Value
@ -35,7 +33,6 @@ wsrep_local_state_uuid #
SHOW STATUS LIKE 'wsrep_last_committed';
Variable_name Value
wsrep_last_committed #
SET GLOBAL wsrep_provider=none;
#
# MDEV#6206: wsrep_slave_threads subtracts from max_connections
@ -49,7 +46,7 @@ SELECT @@global.wsrep_slave_threads;
1
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
gcomm://
SELECT @@global.wsrep_on;
@@global.wsrep_on
1
@ -58,14 +55,14 @@ Variable_name Value
Threads_connected 1
SHOW STATUS LIKE 'wsrep_thread_count';
Variable_name Value
wsrep_thread_count 0
wsrep_thread_count 2
SELECT @@global.wsrep_provider;
@@global.wsrep_provider
libgalera_smm.so
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
gcomm://
SELECT @@global.wsrep_on;
@@global.wsrep_on
1
@ -74,11 +71,10 @@ Variable_name Value
Threads_connected 1
SHOW STATUS LIKE 'wsrep_thread_count';
Variable_name Value
wsrep_thread_count 0
wsrep_thread_count 2
# Setting wsrep_cluster_address triggers the creation of
# applier/rollbacker threads.
SET GLOBAL wsrep_cluster_address= 'gcomm://';
# Wait for applier thread to get created 1.
# Wait for applier thread to get created 2.
SELECT VARIABLE_VALUE AS EXPECT_1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';

34
mysql-test/suite/wsrep/t/variables.test
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@ -22,7 +22,7 @@ SET GLOBAL wsrep_replicate_myisam= ON;
# Reset it back.
SET GLOBAL wsrep_replicate_myisam= OFF;
SET GLOBAL wsrep_provider=none;
#SET GLOBAL wsrep_provider=none;
--echo #
--echo # MDEV#5790: SHOW GLOBAL STATUS LIKE does not show the correct list of
@ -31,13 +31,9 @@ SET GLOBAL wsrep_provider=none;
CALL mtr.add_suppression("WSREP: Could not open saved state file for reading.*");
--disable_result_log
--disable_query_log
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--let $galera_version=25.3.24
source include/check_galera_version.inc;
--enable_result_log
--enable_query_log
--replace_column 2 #
SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
@ -46,11 +42,9 @@ SHOW GLOBAL STATUS LIKE 'wsrep_local_state_comment';
SHOW STATUS LIKE 'x';
# Reset it back.
SET GLOBAL wsrep_provider=none;
#SET GLOBAL wsrep_provider=none;
--disable_query_log
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--enable_query_log
#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
# The following 2 variables are used by mariabackup
# SST.
@ -62,7 +56,7 @@ SHOW STATUS LIKE 'wsrep_local_state_uuid';
SHOW STATUS LIKE 'wsrep_last_committed';
# Reset it back.
SET GLOBAL wsrep_provider=none;
#SET GLOBAL wsrep_provider=none;
--echo
--echo #
@ -70,9 +64,7 @@ SET GLOBAL wsrep_provider=none;
--echo #
call mtr.add_suppression("WSREP: Failed to get provider options");
--disable_query_log
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--enable_query_log
#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--replace_regex /.*libgalera_smm.*/libgalera_smm.so/
SELECT @@global.wsrep_provider;
@ -83,9 +75,7 @@ SHOW STATUS LIKE 'threads_connected';
SHOW STATUS LIKE 'wsrep_thread_count';
--echo
--disable_query_log
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--enable_query_log
#evalp SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--replace_regex /.*libgalera_smm.*/libgalera_smm.so/
SELECT @@global.wsrep_provider;
@ -97,7 +87,7 @@ SHOW STATUS LIKE 'wsrep_thread_count';
--echo # Setting wsrep_cluster_address triggers the creation of
--echo # applier/rollbacker threads.
SET GLOBAL wsrep_cluster_address= 'gcomm://';
#SET GLOBAL wsrep_cluster_address= 'gcomm://';
--echo # Wait for applier thread to get created 1.
--let $wait_timeout=600
@ -159,14 +149,6 @@ SET @@global.wsrep_sst_auth= NULL;
SELECT @@global.wsrep_sst_auth;
SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
# Reset (for mtr internal checks)
--disable_query_log
SET GLOBAL wsrep_slave_threads= @wsrep_slave_threads_saved;
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
SET GLOBAL wsrep_cluster_address= @wsrep_cluster_address_saved;
SET GLOBAL wsrep_provider_options= @wsrep_provider_options_saved;
--enable_query_log
--source include/galera_wait_ready.inc
--echo # End of test.