def get_monthly_cost_estimate(self, instance):
manager = self.get_manager(instance)
try:
backend_instance = manager.get_node(instance.backend_id)
except Exception as e:
reraise(e)
size = self.get_size(backend_instance.extra['instance_type'], manager)
# calculate a price for current month based on hourly rate
return size.price * hours_in_month()
def monthly_rate(self):
return '%0.2f' % (self.value * core_utils.hours_in_month())