172 lines
6.1 KiB
Python
172 lines
6.1 KiB
Python
# Copyright 2012 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import netaddr
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from oslo_config import cfg
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import six
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import webob.exc
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from nova.api.openstack.compute.schemas import floating_ips_bulk
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova.api import validation
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from nova import exception
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from nova.i18n import _
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from nova import objects
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CONF = cfg.CONF
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CONF.import_opt('default_floating_pool', 'nova.network.floating_ips')
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CONF.import_opt('public_interface', 'nova.network.linux_net')
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ALIAS = 'os-floating-ips-bulk'
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authorize = extensions.os_compute_authorizer(ALIAS)
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class FloatingIPBulkController(wsgi.Controller):
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@extensions.expected_errors(404)
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def index(self, req):
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"""Return a list of all floating ips."""
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context = req.environ['nova.context']
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authorize(context)
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return self._get_floating_ip_info(context)
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@extensions.expected_errors(404)
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def show(self, req, id):
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"""Return a list of all floating ips for a given host."""
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context = req.environ['nova.context']
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authorize(context)
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return self._get_floating_ip_info(context, id)
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def _get_floating_ip_info(self, context, host=None):
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floating_ip_info = {"floating_ip_info": []}
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if host is None:
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try:
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floating_ips = objects.FloatingIPList.get_all(context)
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except exception.NoFloatingIpsDefined:
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return floating_ip_info
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else:
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try:
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floating_ips = objects.FloatingIPList.get_by_host(context,
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host)
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except exception.FloatingIpNotFoundForHost as e:
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raise webob.exc.HTTPNotFound(explanation=e.format_message())
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for floating_ip in floating_ips:
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instance_uuid = None
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fixed_ip = None
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if floating_ip.fixed_ip:
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instance_uuid = floating_ip.fixed_ip.instance_uuid
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fixed_ip = str(floating_ip.fixed_ip.address)
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result = {'address': str(floating_ip.address),
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'pool': floating_ip.pool,
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'interface': floating_ip.interface,
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'project_id': floating_ip.project_id,
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'instance_uuid': instance_uuid,
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'fixed_ip': fixed_ip}
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floating_ip_info['floating_ip_info'].append(result)
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return floating_ip_info
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@extensions.expected_errors((400, 409))
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@validation.schema(floating_ips_bulk.create)
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def create(self, req, body):
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"""Bulk create floating ips."""
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context = req.environ['nova.context']
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authorize(context)
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params = body['floating_ips_bulk_create']
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ip_range = params['ip_range']
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pool = params.get('pool', CONF.default_floating_pool)
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interface = params.get('interface', CONF.public_interface)
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try:
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ips = [objects.FloatingIPList.make_ip_info(addr, pool, interface)
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for addr in self._address_to_hosts(ip_range)]
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except exception.InvalidInput as exc:
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raise webob.exc.HTTPBadRequest(explanation=exc.format_message())
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try:
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objects.FloatingIPList.create(context, ips)
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except exception.FloatingIpExists as exc:
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raise webob.exc.HTTPConflict(explanation=exc.format_message())
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return {"floating_ips_bulk_create": {"ip_range": ip_range,
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"pool": pool,
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"interface": interface}}
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@extensions.expected_errors((400, 404))
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@validation.schema(floating_ips_bulk.delete)
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def update(self, req, id, body):
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"""Bulk delete floating IPs."""
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context = req.environ['nova.context']
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authorize(context)
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if id != "delete":
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msg = _("Unknown action")
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raise webob.exc.HTTPNotFound(explanation=msg)
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ip_range = body['ip_range']
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try:
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ips = (objects.FloatingIPList.make_ip_info(address, None, None)
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for address in self._address_to_hosts(ip_range))
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except exception.InvalidInput as exc:
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raise webob.exc.HTTPBadRequest(explanation=exc.format_message())
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objects.FloatingIPList.destroy(context, ips)
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return {"floating_ips_bulk_delete": ip_range}
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def _address_to_hosts(self, addresses):
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"""Iterate over hosts within an address range.
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If an explicit range specifier is missing, the parameter is
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interpreted as a specific individual address.
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"""
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try:
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return [netaddr.IPAddress(addresses)]
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except ValueError:
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net = netaddr.IPNetwork(addresses)
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if net.size < 4:
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reason = _("/%s should be specified as single address(es) "
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"not in cidr format") % net.prefixlen
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raise exception.InvalidInput(reason=reason)
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else:
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return net.iter_hosts()
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except netaddr.AddrFormatError as exc:
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raise exception.InvalidInput(reason=six.text_type(exc))
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class FloatingIpsBulk(extensions.V21APIExtensionBase):
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"""Bulk handling of Floating IPs."""
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name = "FloatingIpsBulk"
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alias = ALIAS
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version = 1
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def get_resources(self):
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resource = [extensions.ResourceExtension(ALIAS,
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FloatingIPBulkController())]
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return resource
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def get_controller_extensions(self):
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"""It's an abstract function V21APIExtensionBase and the extension
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will not be loaded without it.
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"""
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return []
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