models.py 文件源码

def clean(self):
        # delete existing entry if exists
        machine = MachineData.objects(ip_address=self.ip_address)
        if machine:
            machine.delete()

        # add ip_address_decimal, aws, ec2 fields depending on the ip_address
        if self.ip_address_decimal is None:
            self.ip_address_decimal = int(ipaddress.IPv4Address(self.ip_address))
        if self.aws is None:
            self.aws = Validation.is_aws(self.ip_address)
        if self.aws:
            if self.status == 'OK':
                self.ec2 = {
                    'instance_id': EC2Client.ip_instance_map.get(self.ip_address, EC2Client.get_instance_id(self.ip_address)),
                    'state': "running"
                }
            else:
                self.ec2 = {
                    'instance_id': EC2Client.ip_instance_map.get(self.ip_address, EC2Client.get_instance_id(self.ip_address)),
                    'state': None
                }