diff -ru a/manifests/params.pp b/manifests/params.pp
--- a/manifests/params.pp	2020-03-05 19:24:51.246516534 +0800
+++ b/manifests/params.pp	2020-03-05 19:50:08.630557886 +0800
@@ -167,7 +167,7 @@
     }
 
     'Debian': {
-      if $::operatingsystem == 'Debian' and versioncmp($::operatingsystemrelease, '9') >= 0 {
+      if ($::operatingsystem == 'Debian' and versioncmp($::operatingsystemrelease, '9') >= 0 or $::operatingsystem == 'poky-stx' {
         $provider = 'mariadb'
       } else {
         $provider = 'mysql'
@@ -188,8 +188,13 @@
       }
 
       $basedir                 = '/usr'
-      $config_file             = '/etc/mysql/my.cnf'
-      $includedir              = '/etc/mysql/conf.d'
+      if $::operatingsystem == 'poky-stx' {
+        $config_file             = '/etc/my.cnf.d/server.cnf'
+        $includedir              = '/etc/my.cnf.d'
+      } else {
+        $config_file             = '/etc/mysql/my.cnf'
+        $includedir              = '/etc/mysql/conf.d'
+      }
       $datadir                 = '/var/lib/mysql'
       $log_error               = '/var/log/mysql/error.log'
       $pidfile                 = '/var/run/mysqld/mysqld.pid'