code: def configure(self):
          
          print('env.services:', self.genv.services)
          for service in list(self.genv.services):
              service = service.strip().upper()
              funcs = common.service_configurators.get(service, [])
              if funcs:
                  print('!'*80)
                  print('Configuring service %s...' % (service,))
                  for func in funcs:
                      print('Function:', func)
                      if not self.dryrun:
                          func()
docs: Applies one-time settings changes to the host, usually to initialize the service.