Source code for ironic.api.controllers.v1.port

# Copyright 2013 UnitedStack 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.

import datetime

from ironic_lib import metrics_utils
from oslo_utils import uuidutils
import pecan
from pecan import rest
from six.moves import http_client
import wsme
from wsme import types as wtypes

from ironic.api.controllers import base
from ironic.api.controllers import link
from ironic.api.controllers.v1 import collection
from ironic.api.controllers.v1 import notification_utils as notify
from ironic.api.controllers.v1 import types
from ironic.api.controllers.v1 import utils as api_utils
from ironic.api import expose
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import policy
from ironic.common import utils as common_utils
from ironic import objects

METRICS = metrics_utils.get_metrics_logger(__name__)


_DEFAULT_RETURN_FIELDS = ('uuid', 'address')


def hide_fields_in_newer_versions(obj):
    # if requested version is < 1.18, hide internal_info field
    if not api_utils.allow_port_internal_info():
        obj.internal_info = wsme.Unset
    # if requested version is < 1.19, hide local_link_connection and
    # pxe_enabled fields
    if not api_utils.allow_port_advanced_net_fields():
        obj.pxe_enabled = wsme.Unset
        obj.local_link_connection = wsme.Unset
    # if requested version is < 1.24, hide portgroup_uuid field
    if not api_utils.allow_portgroups_subcontrollers():
        obj.portgroup_uuid = wsme.Unset


[docs]class Port(base.APIBase): """API representation of a port. This class enforces type checking and value constraints, and converts between the internal object model and the API representation of a port. """ _node_uuid = None _portgroup_uuid = None def _get_node_uuid(self): return self._node_uuid def _set_node_uuid(self, value): if value and self._node_uuid != value: try: # FIXME(comstud): One should only allow UUID here, but # there seems to be a bug in that tests are passing an # ID. See bug #1301046 for more details. node = objects.Node.get(pecan.request.context, value) self._node_uuid = node.uuid # NOTE(lucasagomes): Create the node_id attribute on-the-fly # to satisfy the api -> rpc object # conversion. self.node_id = node.id except exception.NodeNotFound as e: # Change error code because 404 (NotFound) is inappropriate # response for a POST request to create a Port e.code = http_client.BAD_REQUEST # BadRequest raise elif value == wtypes.Unset: self._node_uuid = wtypes.Unset def _get_portgroup_uuid(self): return self._portgroup_uuid def _set_portgroup_uuid(self, value): if value and self._portgroup_uuid != value: if not api_utils.allow_portgroups_subcontrollers(): self._portgroup_uuid = wtypes.Unset return try: portgroup = objects.Portgroup.get(pecan.request.context, value) if portgroup.node_id != self.node_id: raise exception.BadRequest(_('Port can not be added to a ' 'portgroup belonging to a ' 'different node.')) self._portgroup_uuid = portgroup.uuid # NOTE(lucasagomes): Create the portgroup_id attribute # on-the-fly to satisfy the api -> # rpc object conversion. self.portgroup_id = portgroup.id except exception.PortgroupNotFound as e: # Change error code because 404 (NotFound) is inappropriate # response for a POST request to create a Port e.code = http_client.BAD_REQUEST # BadRequest raise e elif value == wtypes.Unset: self._portgroup_uuid = wtypes.Unset elif value is None and api_utils.allow_portgroups_subcontrollers(): # This is to output portgroup_uuid field if API version allows this self._portgroup_uuid = None uuid = types.uuid """Unique UUID for this port""" address = wsme.wsattr(types.macaddress, mandatory=True) """MAC Address for this port""" extra = {wtypes.text: types.jsontype} """This port's meta data""" internal_info = wsme.wsattr({wtypes.text: types.jsontype}, readonly=True) """This port's internal information maintained by ironic""" node_uuid = wsme.wsproperty(types.uuid, _get_node_uuid, _set_node_uuid, mandatory=True) """The UUID of the node this port belongs to""" portgroup_uuid = wsme.wsproperty(types.uuid, _get_portgroup_uuid, _set_portgroup_uuid, mandatory=False) """The UUID of the portgroup this port belongs to""" pxe_enabled = types.boolean """Indicates whether pxe is enabled or disabled on the node.""" local_link_connection = types.locallinkconnectiontype """The port binding profile for the port""" links = wsme.wsattr([link.Link], readonly=True) """A list containing a self link and associated port links""" def __init__(self, **kwargs): self.fields = [] fields = list(objects.Port.fields) # NOTE(lucasagomes): node_uuid is not part of objects.Port.fields # because it's an API-only attribute fields.append('node_uuid') # NOTE: portgroup_uuid is not part of objects.Port.fields # because it's an API-only attribute fields.append('portgroup_uuid') for field in fields: # Add fields we expose. if hasattr(self, field): self.fields.append(field) setattr(self, field, kwargs.get(field, wtypes.Unset)) # NOTE(lucasagomes): node_id is an attribute created on-the-fly # by _set_node_uuid(), it needs to be present in the fields so # that as_dict() will contain node_id field when converting it # before saving it in the database. self.fields.append('node_id') setattr(self, 'node_uuid', kwargs.get('node_id', wtypes.Unset)) # NOTE: portgroup_id is an attribute created on-the-fly # by _set_portgroup_uuid(), it needs to be present in the fields so # that as_dict() will contain portgroup_id field when converting it # before saving it in the database. self.fields.append('portgroup_id') setattr(self, 'portgroup_uuid', kwargs.get('portgroup_id', wtypes.Unset)) @staticmethod def _convert_with_links(port, url, fields=None): # NOTE(lucasagomes): Since we are able to return a specified set of # fields the "uuid" can be unset, so we need to save it in another # variable to use when building the links port_uuid = port.uuid if fields is not None: port.unset_fields_except(fields) # never expose the node_id attribute port.node_id = wtypes.Unset # never expose the portgroup_id attribute port.portgroup_id = wtypes.Unset port.links = [link.Link.make_link('self', url, 'ports', port_uuid), link.Link.make_link('bookmark', url, 'ports', port_uuid, bookmark=True) ] return port @classmethod @classmethod
[docs] def sample(cls, expand=True): sample = cls(uuid='27e3153e-d5bf-4b7e-b517-fb518e17f34c', address='fe:54:00:77:07:d9', extra={'foo': 'bar'}, internal_info={}, created_at=datetime.datetime.utcnow(), updated_at=datetime.datetime.utcnow(), pxe_enabled=True, local_link_connection={ 'switch_info': 'host', 'port_id': 'Gig0/1', 'switch_id': 'aa:bb:cc:dd:ee:ff'}) # NOTE(lucasagomes): node_uuid getter() method look at the # _node_uuid variable sample._node_uuid = '7ae81bb3-dec3-4289-8d6c-da80bd8001ae' sample._portgroup_uuid = '037d9a52-af89-4560-b5a3-a33283295ba2' fields = None if expand else _DEFAULT_RETURN_FIELDS return cls._convert_with_links(sample, 'http://localhost:6385', fields=fields)
[docs]class PortPatchType(types.JsonPatchType): _api_base = Port @staticmethod
[docs] def internal_attrs(): defaults = types.JsonPatchType.internal_attrs() return defaults + ['/internal_info']
[docs]class PortCollection(collection.Collection): """API representation of a collection of ports.""" ports = [Port] """A list containing ports objects""" def __init__(self, **kwargs): self._type = 'ports' @staticmethod @classmethod
[docs] def sample(cls): sample = cls() sample.ports = [Port.sample(expand=False)] return sample
[docs]class PortsController(rest.RestController): """REST controller for Ports.""" _custom_actions = { 'detail': ['GET'], } invalid_sort_key_list = ['extra', 'internal_info', 'local_link_connection'] advanced_net_fields = ['pxe_enabled', 'local_link_connection'] def __init__(self, node_ident=None, portgroup_ident=None): super(PortsController, self).__init__() self.parent_node_ident = node_ident self.parent_portgroup_ident = portgroup_ident def _get_ports_collection(self, node_ident, address, portgroup_ident, marker, limit, sort_key, sort_dir, resource_url=None, fields=None): limit = api_utils.validate_limit(limit) sort_dir = api_utils.validate_sort_dir(sort_dir) marker_obj = None if marker: marker_obj = objects.Port.get_by_uuid(pecan.request.context, marker) if sort_key in self.invalid_sort_key_list: raise exception.InvalidParameterValue( _("The sort_key value %(key)s is an invalid field for " "sorting") % {'key': sort_key}) node_ident = self.parent_node_ident or node_ident portgroup_ident = self.parent_portgroup_ident or portgroup_ident if node_ident and portgroup_ident: raise exception.OperationNotPermitted() if portgroup_ident: # FIXME: Since all we need is the portgroup ID, we can # make this more efficient by only querying # for that column. This will get cleaned up # as we move to the object interface. portgroup = api_utils.get_rpc_portgroup(portgroup_ident) ports = objects.Port.list_by_portgroup_id(pecan.request.context, portgroup.id, limit, marker_obj, sort_key=sort_key, sort_dir=sort_dir) elif node_ident: # FIXME(comstud): Since all we need is the node ID, we can # make this more efficient by only querying # for that column. This will get cleaned up # as we move to the object interface. node = api_utils.get_rpc_node(node_ident) ports = objects.Port.list_by_node_id(pecan.request.context, node.id, limit, marker_obj, sort_key=sort_key, sort_dir=sort_dir) elif address: ports = self._get_ports_by_address(address) else: ports = objects.Port.list(pecan.request.context, limit, marker_obj, sort_key=sort_key, sort_dir=sort_dir) return PortCollection.convert_with_links(ports, limit, url=resource_url, fields=fields, sort_key=sort_key, sort_dir=sort_dir) def _get_ports_by_address(self, address): """Retrieve a port by its address. :param address: MAC address of a port, to get the port which has this MAC address. :returns: a list with the port, or an empty list if no port is found. """ try: port = objects.Port.get_by_address(pecan.request.context, address) return [port] except exception.PortNotFound: return [] @METRICS.timer('PortsController.get_all') @expose.expose(PortCollection, types.uuid_or_name, types.uuid, types.macaddress, types.uuid, int, wtypes.text, wtypes.text, types.listtype, types.uuid_or_name)
[docs] def get_all(self, node=None, node_uuid=None, address=None, marker=None, limit=None, sort_key='id', sort_dir='asc', fields=None, portgroup=None): """Retrieve a list of ports. Note that the 'node_uuid' interface is deprecated in favour of the 'node' interface :param node: UUID or name of a node, to get only ports for that node. :param node_uuid: UUID of a node, to get only ports for that node. :param address: MAC address of a port, to get the port which has this MAC address. :param marker: pagination marker for large data sets. :param limit: maximum number of resources to return in a single result. This value cannot be larger than the value of max_limit in the [api] section of the ironic configuration, or only max_limit resources will be returned. :param sort_key: column to sort results by. Default: id. :param sort_dir: direction to sort. "asc" or "desc". Default: asc. :param fields: Optional, a list with a specified set of fields of the resource to be returned. :param portgroup: UUID or name of a portgroup, to get only ports for that portgroup. :raises: NotAcceptable, HTTPNotFound """ cdict = pecan.request.context.to_policy_values() policy.authorize('baremetal:port:get', cdict, cdict) api_utils.check_allow_specify_fields(fields) if fields: if (not api_utils.allow_port_advanced_net_fields() and set(fields).intersection(self.advanced_net_fields)): raise exception.NotAcceptable() if ('portgroup_uuid' in fields and not api_utils.allow_portgroups_subcontrollers()): raise exception.NotAcceptable() if portgroup and not api_utils.allow_portgroups_subcontrollers(): raise exception.NotAcceptable() if fields is None: fields = _DEFAULT_RETURN_FIELDS if not node_uuid and node: # We're invoking this interface using positional notation, or # explicitly using 'node'. Try and determine which one. # Make sure only one interface, node or node_uuid is used if (not api_utils.allow_node_logical_names() and not uuidutils.is_uuid_like(node)): raise exception.NotAcceptable() return self._get_ports_collection(node_uuid or node, address, portgroup, marker, limit, sort_key, sort_dir, fields=fields)
@METRICS.timer('PortsController.detail') @expose.expose(PortCollection, types.uuid_or_name, types.uuid, types.macaddress, types.uuid, int, wtypes.text, wtypes.text, types.uuid_or_name)
[docs] def detail(self, node=None, node_uuid=None, address=None, marker=None, limit=None, sort_key='id', sort_dir='asc', portgroup=None): """Retrieve a list of ports with detail. Note that the 'node_uuid' interface is deprecated in favour of the 'node' interface :param node: UUID or name of a node, to get only ports for that node. :param node_uuid: UUID of a node, to get only ports for that node. :param address: MAC address of a port, to get the port which has this MAC address. :param portgroup: UUID or name of a portgroup, to get only ports for that portgroup. :param marker: pagination marker for large data sets. :param limit: maximum number of resources to return in a single result. This value cannot be larger than the value of max_limit in the [api] section of the ironic configuration, or only max_limit resources will be returned. :param sort_key: column to sort results by. Default: id. :param sort_dir: direction to sort. "asc" or "desc". Default: asc. :raises: NotAcceptable, HTTPNotFound """ cdict = pecan.request.context.to_policy_values() policy.authorize('baremetal:port:get', cdict, cdict) if portgroup and not api_utils.allow_portgroups_subcontrollers(): raise exception.NotAcceptable() if not node_uuid and node: # We're invoking this interface using positional notation, or # explicitly using 'node'. Try and determine which one. # Make sure only one interface, node or node_uuid is used if (not api_utils.allow_node_logical_names() and not uuidutils.is_uuid_like(node)): raise exception.NotAcceptable() # NOTE(lucasagomes): /detail should only work against collections parent = pecan.request.path.split('/')[:-1][-1] if parent != "ports": raise exception.HTTPNotFound() resource_url = '/'.join(['ports', 'detail']) return self._get_ports_collection(node_uuid or node, address, portgroup, marker, limit, sort_key, sort_dir, resource_url)
@METRICS.timer('PortsController.get_one') @expose.expose(Port, types.uuid, types.listtype)
[docs] def get_one(self, port_uuid, fields=None): """Retrieve information about the given port. :param port_uuid: UUID of a port. :param fields: Optional, a list with a specified set of fields of the resource to be returned. :raises: NotAcceptable, HTTPNotFound """ cdict = pecan.request.context.to_policy_values() policy.authorize('baremetal:port:get', cdict, cdict) if self.parent_node_ident or self.parent_portgroup_ident: raise exception.OperationNotPermitted() api_utils.check_allow_specify_fields(fields) rpc_port = objects.Port.get_by_uuid(pecan.request.context, port_uuid) return Port.convert_with_links(rpc_port, fields=fields)
@METRICS.timer('PortsController.post') @expose.expose(Port, body=Port, status_code=http_client.CREATED)
[docs] def post(self, port): """Create a new port. :param port: a port within the request body. :raises: NotAcceptable, HTTPNotFound, Conflict """ context = pecan.request.context cdict = context.to_policy_values() policy.authorize('baremetal:port:create', cdict, cdict) if self.parent_node_ident or self.parent_portgroup_ident: raise exception.OperationNotPermitted() pdict = port.as_dict() if (not api_utils.allow_port_advanced_net_fields() and set(pdict).intersection(self.advanced_net_fields)): raise exception.NotAcceptable() if (not api_utils.allow_portgroups_subcontrollers() and 'portgroup_uuid' in pdict): raise exception.NotAcceptable() extra = pdict.get('extra') vif = extra.get('vif_port_id') if extra else None if vif: common_utils.warn_about_deprecated_extra_vif_port_id() if (pdict.get('portgroup_uuid') and (pdict.get('pxe_enabled') or vif)): rpc_pg = objects.Portgroup.get_by_uuid(context, pdict['portgroup_uuid']) if not rpc_pg.standalone_ports_supported: msg = _("Port group %s doesn't support standalone ports. " "This port cannot be created as a member of that " "port group because either 'extra/vif_port_id' " "was specified or 'pxe_enabled' was set to True.") raise exception.Conflict( msg % pdict['portgroup_uuid']) # NOTE(yuriyz): UUID is mandatory for notifications payload if not pdict.get('uuid'): pdict['uuid'] = uuidutils.generate_uuid() new_port = objects.Port(context, **pdict) notify.emit_start_notification(context, new_port, 'create', node_uuid=port.node_uuid) with notify.handle_error_notification(context, new_port, 'create', node_uuid=port.node_uuid): new_port.create() notify.emit_end_notification(context, new_port, 'create', node_uuid=port.node_uuid) # Set the HTTP Location Header pecan.response.location = link.build_url('ports', new_port.uuid) return Port.convert_with_links(new_port)
@METRICS.timer('PortsController.patch') @wsme.validate(types.uuid, [PortPatchType]) @expose.expose(Port, types.uuid, body=[PortPatchType])
[docs] def patch(self, port_uuid, patch): """Update an existing port. :param port_uuid: UUID of a port. :param patch: a json PATCH document to apply to this port. :raises: NotAcceptable, HTTPNotFound """ context = pecan.request.context cdict = context.to_policy_values() policy.authorize('baremetal:port:update', cdict, cdict) if self.parent_node_ident or self.parent_portgroup_ident: raise exception.OperationNotPermitted() fields_to_check = set() for field in self.advanced_net_fields + ['portgroup_uuid']: field_path = '/%s' % field if (api_utils.get_patch_values(patch, field_path) or api_utils.is_path_removed(patch, field_path)): fields_to_check.add(field) if (fields_to_check.intersection(self.advanced_net_fields) and not api_utils.allow_port_advanced_net_fields()): raise exception.NotAcceptable() if ('portgroup_uuid' in fields_to_check and not api_utils.allow_portgroups_subcontrollers()): raise exception.NotAcceptable() rpc_port = objects.Port.get_by_uuid(context, port_uuid) try: port_dict = rpc_port.as_dict() # NOTE(lucasagomes): # 1) Remove node_id because it's an internal value and # not present in the API object # 2) Add node_uuid port_dict['node_uuid'] = port_dict.pop('node_id', None) # NOTE(vsaienko): # 1) Remove portgroup_id because it's an internal value and # not present in the API object # 2) Add portgroup_uuid port_dict['portgroup_uuid'] = port_dict.pop('portgroup_id', None) port = Port(**api_utils.apply_jsonpatch(port_dict, patch)) except api_utils.JSONPATCH_EXCEPTIONS as e: raise exception.PatchError(patch=patch, reason=e) if api_utils.is_path_removed(patch, '/portgroup_uuid'): rpc_port.portgroup_id = None # Update only the fields that have changed for field in objects.Port.fields: try: patch_val = getattr(port, field) except AttributeError: # Ignore fields that aren't exposed in the API continue if patch_val == wtypes.Unset: patch_val = None if rpc_port[field] != patch_val: rpc_port[field] = patch_val rpc_node = objects.Node.get_by_id(context, rpc_port.node_id) notify.emit_start_notification(context, rpc_port, 'update', node_uuid=rpc_node.uuid) with notify.handle_error_notification(context, rpc_port, 'update', node_uuid=rpc_node.uuid): topic = pecan.request.rpcapi.get_topic_for(rpc_node) new_port = pecan.request.rpcapi.update_port(context, rpc_port, topic) api_port = Port.convert_with_links(new_port) notify.emit_end_notification(context, new_port, 'update', node_uuid=api_port.node_uuid) return api_port
@METRICS.timer('PortsController.delete') @expose.expose(None, types.uuid, status_code=http_client.NO_CONTENT)
[docs] def delete(self, port_uuid): """Delete a port. :param port_uuid: UUID of a port. :raises: OperationNotPermitted, HTTPNotFound """ context = pecan.request.context cdict = context.to_policy_values() policy.authorize('baremetal:port:delete', cdict, cdict) if self.parent_node_ident or self.parent_portgroup_ident: raise exception.OperationNotPermitted() rpc_port = objects.Port.get_by_uuid(context, port_uuid) rpc_node = objects.Node.get_by_id(context, rpc_port.node_id) notify.emit_start_notification(context, rpc_port, 'delete', node_uuid=rpc_node.uuid) with notify.handle_error_notification(context, rpc_port, 'delete', node_uuid=rpc_node.uuid): topic = pecan.request.rpcapi.get_topic_for(rpc_node) pecan.request.rpcapi.destroy_port(context, rpc_port, topic) notify.emit_end_notification(context, rpc_port, 'delete', node_uuid=rpc_node.uuid)