def get_az_id_by_az_name_helper()

in src/mount_efs/__init__.py [0:0]

• 43 lines of code
• 11 McCabe index (conditional complexity)

def get_az_id_by_az_name_helper(ec2_client, az_name, dryrun=False):
    operation = "DescribeAvailabilityZones"
    kwargs = {"ZoneNames": [az_name]}
    if dryrun:
        kwargs["DryRun"] = True

    try:
        az_info = ec2_describe_availability_zones_helper(ec2_client, kwargs)
        logging.debug("Found the az information for %s: %s", az_name, az_info)
        return az_info
    except ClientError as e:
        exception = e.response["Error"]["Code"]
        exception_message = e.response["Error"]["Message"]

        if exception == "DryRunOperation":
            logging.debug("Describe availability zones dryrun succeed.")
            return
        elif exception == "UnauthorizedOperation":
            fallback_message = "Unauthorized to perform operation %s." % operation
        elif exception == "InvalidParameterValue":
            fallback_message = "Invalid availability zone %s" % az_name
        elif exception == "ServiceUnavailableException":
            fallback_message = (
                "The ec2 service cannot complete the request, %s" % exception_message
            )
        elif exception == "AccessDeniedException":
            fallback_message = exception_message
        else:
            fallback_message = "Unexpected error: %s" % exception_message
    except NoCredentialsError as e:
        fallback_message = (
            "%s when performing operation %s, please confirm your aws credentials are properly configured."
            % (e, operation)
        )
    except EndpointConnectionError as e:
        fallback_message = (
            "Could not connect to the endpoint when performing operation %s, %s"
            % (operation, e)
        )
    except Exception as e:
        fallback_message = "Unknown error when performing operation %s, %s." % (
            operation,
            e,
        )
    raise FallbackException(fallback_message)