MDEV-21494 : Galera test sporadic failure on galera.galera_defaults

Make sure that we operate with correct Galera library version
and do not print wsrep_provider_options field.

mysql-test/suite/galera/r/galera#505.result

@@ -2,6 +2,7 @@ connection node_2;
 connection node_1;
 connection node_1;
 SET SESSION wsrep_sync_wait=0;
+# Correct Galera library found
 SET SESSION wsrep_sync_wait=DEFAULT;
 SET GLOBAL wsrep_provider_options = 'pc.weight=3';
 SHOW GLOBAL VARIABLES LIKE 'wsrep_provider_options';

mysql-test/suite/galera/r/galera_defaults.result

 connection node_2;
 connection node_1;
-SELECT COUNT(*) `expect 48` FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'wsrep_%';
-expect 48
+# Correct Galera library found
+SELECT COUNT(*) `expect 49` FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'wsrep_%';
+expect 49
 49
 SELECT VARIABLE_NAME, VARIABLE_VALUE
 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES

mysql-test/suite/galera/t/galera#505.test

@@ -5,12 +5,9 @@
 --connection node_1
 
 SET SESSION wsrep_sync_wait=0;
---disable_result_log
---disable_query_log
 --let $galera_version=25.3.24
 source ../../wsrep/include/check_galera_version.inc;
---enable_result_log
---enable_query_log
+
 SET SESSION wsrep_sync_wait=DEFAULT;
 
 # Convert "... pc.weight = N; ..." to "N; ..."

mysql-test/suite/galera/t/galera_defaults.cnf

+!include ../galera_2nodes.cnf
+
+[mysqld.1]
+wsrep_provider_options='base_port=@mysqld.1.#galera_port;gmcast.segment=1'
+
+[mysqld.2]
+wsrep_provider_options='base_port=@mysqld.2.#galera_port;gmcast.segment=1'

mysql-test/suite/galera/t/galera_defaults.test

 #
 # The purpose of this test is to preserve the current state of the following:
 # * SHOW VARIABLES LIKE 'wsrep%'
-# * wsrep_provider_options
 # * The names of the Galera status variables
 #
+# Note that wsrep_provider_options contains paths and other non-deterministic parts
+#
 # This way, if there is any change, inadvertent or not, the test will fail and the
 # developer and QA will be alerted.
 #
 
 --source include/galera_cluster.inc
---source include/have_innodb.inc
+--source include/force_restart.inc
 
 # Make sure that the test is operating on the right version of galera library.
---disable_query_log
---let $galera_version=25.3.20
+--let $galera_version=26.4.6
 source ../wsrep/include/check_galera_version.inc;
---enable_query_log
 
 # Global Variables
 
-SELECT COUNT(*) `expect 48` FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'wsrep_%';
+SELECT COUNT(*) `expect 49` FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'wsrep_%';
 
 SELECT VARIABLE_NAME, VARIABLE_VALUE
 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES

mysql-test/suite/wsrep/include/check_galera_version.inc

@@ -21,23 +21,27 @@ SELECT CAST(REGEXP_REPLACE(@GALERA_VERSION,'^(\\d+)\\.(\\d+)\\.(\\d+).*','\\3')
 
 # Actual
 SELECT VARIABLE_VALUE INTO @ACTUAL_GALERA_VERSION FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME LIKE 'wsrep_provider_version';
+SELECT CAST(REGEXP_REPLACE(@ACTUAL_GALERA_VERSION,'^(\\d+)\\.(\\d+).*','\\1') AS UNSIGNED) INTO @ACTUAL_GALERA_MAJOR_VERSION;
 SELECT CAST(REGEXP_REPLACE(@ACTUAL_GALERA_VERSION,'^[\\d\\.]*(\\d+)\\.\\d+.*','\\1') AS UNSIGNED) INTO @ACTUAL_GALERA_MINOR_VERSION;
 SELECT CAST(REGEXP_REPLACE(@ACTUAL_GALERA_VERSION,'^[\\d\\.]*\\.(\\d+).*','\\1') AS UNSIGNED) INTO @ACTUAL_GALERA_RELEASE_VERSION;
+--enable_query_log
 
 # For testing
 #SELECT @GALERA_MAJOR_VERSION;
 #SELECT @GALERA_MINOR_VERSION;
 #SELECT @GALERA_RELEASE_VERSION;
-#SELECT @ACTUAL_GALERA_VERSION;
+#SELECT @ACTUAL_GALERA_MAJOR_VERSION;
 #SELECT @ACTUAL_GALERA_MINOR_VERSION;
 #SELECT @ACTUAL_GALERA_RELEASE_VERSION;
 
-if (!`SELECT (@ACTUAL_GALERA_MINOR_VERSION > @GALERA_MINOR_VERSION) OR
-              (@ACTUAL_GALERA_MINOR_VERSION = @GALERA_MINOR_VERSION AND
+if (!`SELECT (@ACTUAL_GALERA_MAJOR_VERSION >= @GALERA_MAJOR_VERSION AND @ACTUAL_GALERA_MINOR_VERSION > @GALERA_MINOR_VERSION) OR
+              (@ACTUAL_GALERA_MAJOR_VERSION = @GALERA_MAJOR_VERSION AND
+	       @ACTUAL_GALERA_MINOR_VERSION = @GALERA_MINOR_VERSION AND
 	       @ACTUAL_GALERA_RELEASE_VERSION >= @GALERA_RELEASE_VERSION)
    `)
 {
     skip Test requires Galera library version >= $galera_version;
 }
 
---enable_query_log
+--echo # Correct Galera library found
+