Add time configuration option for LDAP user daily sync.

config/gitlab.yml.example

@@ -210,6 +210,11 @@ production: &base
         #
         sync_ssh_keys: false
 
+        # GitLab will refresh LDAP user membership once a day.
+        # Default time of the day when this will happen is at 1:30am server time.
+        schedule_sync_hour: 1 # Hour of the day. Value from 0-23.
+        schedule_sync_minute: 30 # Minute of the hour. Value from 0-59.
+
       # GitLab EE only: add more LDAP servers
       # Choose an ID made of a-z and 0-9 . This ID will be stored in the database
       # so that GitLab can remember which LDAP server a user belongs to.

config/initializers/1_settings.rb

@@ -77,6 +77,8 @@ if Settings.ldap['enabled'] || Rails.env.test?
     server['provider_name'] ||= "ldap#{key}".downcase
     server['sync_time'] = 3600 if server['sync_time'].nil?
     server['provider_class'] = OmniAuth::Utils.camelize(server['provider_name'])
+    server['schedule_sync_hour'] = 1 if server['schedule_sync_hour'].nil?
+    server['schedule_sync_minute'] = 30  if server['schedule_sync_minute'].nil?
     Settings.ldap['servers'][key] = server
   end
 end