Fix mongodb salt resource auth
diff --git a/mongodb/server.sls b/mongodb/server.sls
index 6f33eed..fff8624 100644
--- a/mongodb/server.sls
+++ b/mongodb/server.sls
@@ -64,6 +64,8 @@
   mongodb_user.present:
   - name: {{ database_name }}
   - passwd: {{ database.password }}
+  - user: admin
+  - password: {{ server.admin.password }}
   {%- if server.members is defined %}
   require:
     - cmd: mongodb_setup_cluster