def delete_default_vpc()

in AccountCreationLambda.py [0:0]

• 35 lines of code
• 9 McCabe index (conditional complexity)

def delete_default_vpc(credentials, currentregion):
    """Deletes default vpc from child account."""
    # print("Default VPC deletion in progress in {}".format(currentregion))

    ec2_client = boto3.client('ec2',
                              aws_access_key_id=credentials['AccessKeyId'],
                              aws_secret_access_key=credentials['SecretAccessKey'],
                              aws_session_token=credentials['SessionToken'],
                              region_name=currentregion)

    vpc_response = ec2_client.describe_vpcs()
    for i in range(0, len(vpc_response['Vpcs'])):
        if (vpc_response['Vpcs'][i]['InstanceTenancy']) == 'default':
            default_vpcid = vpc_response['Vpcs'][0]['VpcId']

    subnet_response = ec2_client.describe_subnets()
    subnet_delete_response = []
    default_subnets = []
    for i in range(0, len(subnet_response['Subnets'])):
        if subnet_response['Subnets'][i]['VpcId'] == default_vpcid:
            default_subnets.append(subnet_response['Subnets'][i]['SubnetId'])
    for i in range(0, len(default_subnets)):
        subnet_delete_response.append(ec2_client.delete_subnet(
            SubnetId=default_subnets[i], DryRun=False)
        )

    # print("Default Subnets" + currentregion + "Deleted.")

    igw_response = ec2_client.describe_internet_gateways()
    for i in range(0, len(igw_response['InternetGateways'])):
        for j in range(0, len(igw_response['InternetGateways'][i]['Attachments'])):
            if igw_response['InternetGateways'][i]['Attachments'][j]['VpcId'] == default_vpcid:
                default_igw = igw_response['InternetGateways'][i]['InternetGatewayId']
    # print(default_igw)
    response = ec2_client.detach_internet_gateway(
            InternetGatewayId=default_igw, VpcId=default_vpcid, DryRun=False
    )
    response = ec2_client.delete_internet_gateway(
                                        InternetGatewayId=default_igw
                                       )

    # print("Default IGW " + currentregion + "Deleted.")

    time.sleep(10)
    delete_vpc_response = ec2_client.delete_vpc(VpcId=default_vpcid, DryRun=False)
    print("Deleted Default VPC in {}".format(currentregion))
    return delete_vpc_response