nova/nova/api/openstack/compute/legacy_v2/contrib/fixed_ips.py

100 lines
3.6 KiB
Python

# Copyright 2012 IBM Corp.
#
# 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.
import webob
import webob.exc
from nova.api.openstack import extensions
from nova import exception
from nova.i18n import _
from nova import objects
authorize = extensions.extension_authorizer('compute', 'fixed_ips')
class FixedIPController(object):
def show(self, req, id):
"""Return data about the given fixed IP."""
context = req.environ['nova.context']
authorize(context)
attrs = ['network', 'instance']
try:
fixed_ip = objects.FixedIP.get_by_address(context, id,
expected_attrs=attrs)
except exception.FixedIpNotFoundForAddress as ex:
raise webob.exc.HTTPNotFound(explanation=ex.format_message())
except exception.FixedIpInvalid as ex:
raise webob.exc.HTTPBadRequest(explanation=ex.format_message())
fixed_ip_info = {"fixed_ip": {}}
if fixed_ip is None:
msg = _("Fixed IP %s has been deleted") % id
raise webob.exc.HTTPNotFound(explanation=msg)
fixed_ip_info['fixed_ip']['cidr'] = str(fixed_ip.network.cidr)
fixed_ip_info['fixed_ip']['address'] = str(fixed_ip.address)
if fixed_ip.instance:
fixed_ip_info['fixed_ip']['hostname'] = fixed_ip.instance.hostname
fixed_ip_info['fixed_ip']['host'] = fixed_ip.instance.host
else:
fixed_ip_info['fixed_ip']['hostname'] = None
fixed_ip_info['fixed_ip']['host'] = None
return fixed_ip_info
def action(self, req, id, body):
context = req.environ['nova.context']
authorize(context)
if 'reserve' in body:
return self._set_reserved(context, id, True)
elif 'unreserve' in body:
return self._set_reserved(context, id, False)
else:
raise webob.exc.HTTPBadRequest(
explanation="No valid action specified")
def _set_reserved(self, context, address, reserved):
try:
fixed_ip = objects.FixedIP.get_by_address(context, address)
fixed_ip.reserved = reserved
fixed_ip.save()
except exception.FixedIpNotFoundForAddress:
msg = _("Fixed IP %s not found") % address
raise webob.exc.HTTPNotFound(explanation=msg)
except exception.FixedIpInvalid as ex:
raise webob.exc.HTTPBadRequest(explanation=ex.format_message())
return webob.Response(status_int=202)
class Fixed_ips(extensions.ExtensionDescriptor):
"""Fixed IPs support."""
name = "FixedIPs"
alias = "os-fixed-ips"
namespace = "http://docs.openstack.org/compute/ext/fixed_ips/api/v2"
updated = "2012-10-18T19:25:27Z"
def get_resources(self):
member_actions = {'action': 'POST'}
resources = []
resource = extensions.ResourceExtension('os-fixed-ips',
FixedIPController(),
member_actions=member_actions)
resources.append(resource)
return resources