203 lines
7.4 KiB
Python
203 lines
7.4 KiB
Python
# Copyright 2012 SINA 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.
|
|
|
|
"""The instance interfaces extension."""
|
|
|
|
import webob
|
|
from webob import exc
|
|
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack.compute.schemas.v3 import attach_interfaces
|
|
from nova.api.openstack import extensions
|
|
from nova.api import validation
|
|
from nova import compute
|
|
from nova import exception
|
|
from nova.i18n import _
|
|
from nova import network
|
|
from nova.openstack.common import log as logging
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
ALIAS = 'os-attach-interfaces'
|
|
authorize = extensions.extension_authorizer('compute',
|
|
'v3:' + ALIAS)
|
|
|
|
|
|
def _translate_interface_attachment_view(port_info):
|
|
"""Maps keys for interface attachment details view."""
|
|
return {
|
|
'net_id': port_info['network_id'],
|
|
'port_id': port_info['id'],
|
|
'mac_addr': port_info['mac_address'],
|
|
'port_state': port_info['status'],
|
|
'fixed_ips': port_info.get('fixed_ips', None),
|
|
}
|
|
|
|
|
|
class InterfaceAttachmentController(object):
|
|
"""The interface attachment API controller for the OpenStack API."""
|
|
|
|
def __init__(self):
|
|
self.compute_api = compute.API()
|
|
self.network_api = network.API()
|
|
super(InterfaceAttachmentController, self).__init__()
|
|
|
|
@extensions.expected_errors((404, 501))
|
|
def index(self, req, server_id):
|
|
"""Returns the list of interface attachments for a given instance."""
|
|
return self._items(req, server_id,
|
|
entity_maker=_translate_interface_attachment_view)
|
|
|
|
@extensions.expected_errors(404)
|
|
def show(self, req, server_id, id):
|
|
"""Return data about the given interface attachment."""
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
|
|
port_id = id
|
|
common.get_instance(self.compute_api, context, server_id)
|
|
|
|
try:
|
|
port_info = self.network_api.show_port(context, port_id)
|
|
except exception.NotFound:
|
|
raise exc.HTTPNotFound()
|
|
|
|
if port_info['port']['device_id'] != server_id:
|
|
raise exc.HTTPNotFound()
|
|
|
|
return {'interfaceAttachment': _translate_interface_attachment_view(
|
|
port_info['port'])}
|
|
|
|
@extensions.expected_errors((400, 404, 409, 500, 501))
|
|
@validation.schema(attach_interfaces.create)
|
|
def create(self, req, server_id, body):
|
|
"""Attach an interface to an instance."""
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
|
|
network_id = None
|
|
port_id = None
|
|
req_ip = None
|
|
if body:
|
|
attachment = body['interfaceAttachment']
|
|
network_id = attachment.get('net_id', None)
|
|
port_id = attachment.get('port_id', None)
|
|
try:
|
|
req_ip = attachment['fixed_ips'][0]['ip_address']
|
|
except Exception:
|
|
pass
|
|
|
|
if network_id and port_id:
|
|
raise exc.HTTPBadRequest()
|
|
if req_ip and not network_id:
|
|
raise exc.HTTPBadRequest()
|
|
|
|
instance = common.get_instance(self.compute_api, context,
|
|
server_id, want_objects=True)
|
|
LOG.audit(_("Attach interface to %s"), instance=instance)
|
|
|
|
try:
|
|
vif = self.compute_api.attach_interface(context,
|
|
instance, network_id, port_id, req_ip)
|
|
except (exception.PortNotFound,
|
|
exception.FixedIpAlreadyInUse,
|
|
exception.PortInUse,
|
|
exception.NetworkDuplicated,
|
|
exception.NetworkAmbiguous,
|
|
exception.NetworkNotFound) as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
except exception.InstanceIsLocked as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except NotImplementedError as e:
|
|
raise webob.exc.HTTPNotImplemented(explanation=e.format_message())
|
|
except exception.InterfaceAttachFailed as e:
|
|
LOG.exception(e)
|
|
raise webob.exc.HTTPInternalServerError(
|
|
explanation=e.format_message())
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'attach_interface')
|
|
|
|
return self.show(req, server_id, vif['id'])
|
|
|
|
@extensions.expected_errors((404, 409, 501))
|
|
def delete(self, req, server_id, id):
|
|
"""Detach an interface from an instance."""
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
port_id = id
|
|
|
|
instance = common.get_instance(self.compute_api, context, server_id,
|
|
want_objects=True)
|
|
LOG.audit(_("Detach interface %s"), port_id, instance=instance)
|
|
try:
|
|
self.compute_api.detach_interface(context,
|
|
instance, port_id=port_id)
|
|
except exception.PortNotFound:
|
|
raise exc.HTTPNotFound()
|
|
except exception.InstanceIsLocked as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except NotImplementedError as e:
|
|
raise webob.exc.HTTPNotImplemented(explanation=e.format_message())
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'detach_interface')
|
|
|
|
return webob.Response(status_int=202)
|
|
|
|
def _items(self, req, server_id, entity_maker):
|
|
"""Returns a list of attachments, transformed through entity_maker."""
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
|
|
instance = common.get_instance(self.compute_api, context, server_id)
|
|
results = []
|
|
search_opts = {'device_id': instance['uuid']}
|
|
|
|
try:
|
|
data = self.network_api.list_ports(context, **search_opts)
|
|
except exception.NotFound:
|
|
raise exc.HTTPNotFound()
|
|
except NotImplementedError:
|
|
msg = _("Network driver does not support this function.")
|
|
raise webob.exc.HTTPNotImplemented(explanation=msg)
|
|
|
|
ports = data.get('ports', [])
|
|
results = [entity_maker(port) for port in ports]
|
|
|
|
return {'interfaceAttachments': results}
|
|
|
|
|
|
class AttachInterfaces(extensions.V3APIExtensionBase):
|
|
"""Attach interface support."""
|
|
|
|
name = "AttachInterfaces"
|
|
alias = ALIAS
|
|
version = 1
|
|
|
|
def get_resources(self):
|
|
res = [extensions.ResourceExtension('os-interface',
|
|
InterfaceAttachmentController(),
|
|
parent=dict(
|
|
member_name='server',
|
|
collection_name='servers'))]
|
|
return res
|
|
|
|
def get_controller_extensions(self):
|
|
"""It's an abstract function V3APIExtensionBase and the extension
|
|
will not be loaded without it.
|
|
"""
|
|
return []
|