Support redhat with mariadb
diff --git a/galera/files/my.cnf b/galera/files/my.cnf
index 91628d3..e5e2ab9 100644
--- a/galera/files/my.cnf
+++ b/galera/files/my.cnf
@@ -16,7 +16,7 @@
 socket=/var/run/mysqld/mysqld.sock
 pid_file=mysqld.pid
 port=3306
-log_error=/var/log/mysql.log
+log_error={{ service.log_file }}
 log_warnings=2
 #log_output=FILE
 ### INNODB OPTIONS 
@@ -184,6 +184,6 @@
 default_character_set=utf8
 [MYSQLD_SAFE]
 pid_file=mysqld.pid
-log_error=/var/log/mysql.log
+log_error={{ service.log_file }}
 basedir=/usr/
 datadir=/var/lib/mysql