Galera cluster TLS Support

Change-Id: I07624681c53cef53de6c72de97a53b96ea52381b
diff --git a/metadata/service/ssl.yml b/metadata/service/ssl.yml
new file mode 100644
index 0000000..5b31b31
--- /dev/null
+++ b/metadata/service/ssl.yml
@@ -0,0 +1,21 @@
+# class to enable tls for galera.master and galera.slave
+
+parameters:
+  _param:
+    mysql_ssl_key_file: /etc/mysql/ssl/key.pem
+    mysql_ssl_cert_file: /etc/mysql/ssl/cert.pem
+    mysql_ssl_ca_file: /etc/mysql/ssl/ca.pem
+
+  galera:
+    master:
+      ssl:
+        enabled: True
+        key_file: ${_param:mysql_ssl_key_file}
+        cert_file: ${_param:mysql_ssl_cert_file}
+        ca_file: ${_param:mysql_ssl_ca_file}
+    slave:
+      ssl:
+        enabled: True
+        key_file: ${_param:mysql_ssl_key_file}
+        cert_file: ${_param:mysql_ssl_cert_file}
+        ca_file: ${_param:mysql_ssl_ca_file}