added pointer for hostgroup in service

lib/config/parser.py

@@ -251,4 +251,8 @@ class FullConfigParser(ConfigParser):
         id_get_func = lambda  hostgroup: hostgroup.get_name()
         self.replace_pointer(layouts, hostgroups, id_list_func, id_get_func)
 
+        for hg in hostgroups:
+            for service in hg.get_services():
+                service.set_hostgroup(hg)
+
         return layouts

lib/config/services.py

@@ -4,6 +4,10 @@ class Service:
         self.command = command
         self.comment = comment
         self.parser = parser
+        self.hostgroup = None
+
+    def set_hostgroup(self, hostgroup):
+        self.hostgroup = hostgroup
 
     def __str__(self):
         return "Service('Name: " + self.name + "', 'Command: " + self.command + ", 'Parser: " + self.parser + "')"