code: def do_setDesiredCapacity(self,args):
          
          parser = CommandArgumentParser("setDesiredCapacity")
          parser.add_argument(dest='value',type=int,help='new value');
          args = vars(parser.parse_args(args))
  
          value = int(args['value'])
          print "Setting desired capacity to {}".format(value)
          client = AwsConnectionFactory.getAsgClient()
          client.set_desired_capacity(AutoScalingGroupName=self.scalingGroup,DesiredCapacity=value,HonorCooldown=True)
          print "Scaling activity in progress"
docs: Set the desired capacity