Support synchronize groups with over 1500 users in Active Directory server

config/sample-config2.yaml

@@ -38,6 +38,8 @@ ldap_groups:
   lowercase_name: false
   # this attribute must reference to all member DN's of the given group
   member_attribute: member
+  # must be true if group with over 1500 members for Active Directory server
+  need_member_range_retrieval: false
 
 # Connection parameters to PostgreSQL server
 # see also: http://rubydoc.info/gems/pg/PG/Connection#initialize-instance_method

config/schema.yaml

@@ -46,6 +46,9 @@ mapping:
       "member_attribute":
         type: str
         required:  yes
+      "need_member_range_retrieval":
+        type: bool
+        required:  no
 
   "pg_connection":
     type:      any