vmware-nsx/neutron/plugins/embrane/common/utils.py
Gary Kotton 26707bdbe7 Remove @author(s) from copyright statements
We have git to track authorship, so let's not pad source files
with it as well.

A hacking check has been added for this. The value is N322.

Change-Id: Iab0b64d417e0bb41a6b455e2ac377deee64ec3ee
2014-09-15 21:40:09 +09:00

70 lines
2.5 KiB
Python

# Copyright 2013 Embrane, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from heleosapi import info as h_info
from neutron.common import constants
from neutron.db import models_v2
from neutron.openstack.common import log as logging
LOG = logging.getLogger(__name__)
def set_db_item_state(context, neutron_item, new_state):
with context.session.begin(subtransactions=True):
if neutron_item["status"] != new_state:
neutron_item["status"] = new_state
context.session.merge(neutron_item)
def retrieve_subnet(context, subnet_id):
return (context.session.query(
models_v2.Subnet).filter(models_v2.Subnet.id == subnet_id).one())
def retrieve_ip_allocation_info(context, neutron_port):
"""Retrieves ip allocation info for a specific port if any."""
try:
subnet_id = neutron_port["fixed_ips"][0]["subnet_id"]
except (KeyError, IndexError):
LOG.info(_("No ip allocation set"))
return
subnet = retrieve_subnet(context, subnet_id)
allocated_ip = neutron_port["fixed_ips"][0]["ip_address"]
is_gw_port = (neutron_port["device_owner"] ==
constants.DEVICE_OWNER_ROUTER_GW)
gateway_ip = subnet["gateway_ip"]
ip_allocation_info = h_info.IpAllocationInfo(
is_gw=is_gw_port,
ip_version=subnet["ip_version"],
prefix=subnet["cidr"].split("/")[1],
ip_address=allocated_ip,
port_id=neutron_port["id"],
gateway_ip=gateway_ip)
return ip_allocation_info
def retrieve_nat_info(context, fip, fixed_prefix, floating_prefix, router):
nat_info = h_info.NatInfo(source_address=fip["floating_ip_address"],
source_prefix=floating_prefix,
destination_address=fip["fixed_ip_address"],
destination_prefix=fixed_prefix,
floating_ip_id=fip["id"],
fixed_port_id=fip["port_id"])
return nat_info