259 lines
10 KiB
Python
259 lines
10 KiB
Python
# Copyright 2014 Red Hat, Inc.
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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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from nova.db import api as db
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from nova.db.sqlalchemy import api as db_api
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from nova.db.sqlalchemy import models
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from nova import exception
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from nova import objects
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from nova.objects import base as obj_base
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from nova.objects import fields
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FLOATING_IP_OPTIONAL_ATTRS = ['fixed_ip']
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# TODO(berrange): Remove NovaObjectDictCompat
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@obj_base.NovaObjectRegistry.register
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class FloatingIP(obj_base.NovaPersistentObject, obj_base.NovaObject,
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obj_base.NovaObjectDictCompat):
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# Version 1.0: Initial version
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# Version 1.1: Added _get_addresses_by_instance_uuid()
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# Version 1.2: FixedIP <= version 1.2
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# Version 1.3: FixedIP <= version 1.3
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# Version 1.4: FixedIP <= version 1.4
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# Version 1.5: FixedIP <= version 1.5
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# Version 1.6: FixedIP <= version 1.6
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# Version 1.7: FixedIP <= version 1.11
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# Version 1.8: FixedIP <= version 1.12
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# Version 1.9: FixedIP <= version 1.13
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# Version 1.10: FixedIP <= version 1.14
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VERSION = '1.10'
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fields = {
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'id': fields.IntegerField(),
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'address': fields.IPAddressField(),
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'fixed_ip_id': fields.IntegerField(nullable=True),
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'project_id': fields.UUIDField(nullable=True),
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'host': fields.StringField(nullable=True),
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'auto_assigned': fields.BooleanField(),
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'pool': fields.StringField(nullable=True),
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'interface': fields.StringField(nullable=True),
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'fixed_ip': fields.ObjectField('FixedIP', nullable=True),
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}
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@staticmethod
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def _from_db_object(context, floatingip, db_floatingip,
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expected_attrs=None):
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if expected_attrs is None:
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expected_attrs = []
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for field in floatingip.fields:
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if field not in FLOATING_IP_OPTIONAL_ATTRS:
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floatingip[field] = db_floatingip[field]
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if ('fixed_ip' in expected_attrs and
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db_floatingip['fixed_ip'] is not None):
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floatingip.fixed_ip = objects.FixedIP._from_db_object(
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context, objects.FixedIP(context), db_floatingip['fixed_ip'])
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floatingip._context = context
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floatingip.obj_reset_changes()
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return floatingip
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def obj_load_attr(self, attrname):
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if attrname not in FLOATING_IP_OPTIONAL_ATTRS:
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raise exception.ObjectActionError(
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action='obj_load_attr',
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reason='attribute %s is not lazy-loadable' % attrname)
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if not self._context:
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raise exception.OrphanedObjectError(method='obj_load_attr',
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objtype=self.obj_name())
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if self.fixed_ip_id is not None:
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self.fixed_ip = objects.FixedIP.get_by_id(
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self._context, self.fixed_ip_id, expected_attrs=['network'])
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else:
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self.fixed_ip = None
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@obj_base.remotable_classmethod
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def get_by_id(cls, context, id):
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db_floatingip = db.floating_ip_get(context, id)
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# XXX joins fixed.instance
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return cls._from_db_object(context, cls(context), db_floatingip,
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expected_attrs=['fixed_ip'])
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@obj_base.remotable_classmethod
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def get_by_address(cls, context, address):
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db_floatingip = db.floating_ip_get_by_address(context, str(address))
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return cls._from_db_object(context, cls(context), db_floatingip)
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@obj_base.remotable_classmethod
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def get_pool_names(cls, context):
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return [x['name'] for x in db.floating_ip_get_pools(context)]
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@obj_base.remotable_classmethod
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def allocate_address(cls, context, project_id, pool, auto_assigned=False):
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return db.floating_ip_allocate_address(context, project_id, pool,
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auto_assigned=auto_assigned)
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@obj_base.remotable_classmethod
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def associate(cls, context, floating_address, fixed_address, host):
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db_fixed = db.floating_ip_fixed_ip_associate(context,
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str(floating_address),
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str(fixed_address),
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host)
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if db_fixed is None:
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return None
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floating = FloatingIP(
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context=context, address=floating_address, host=host,
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fixed_ip_id=db_fixed['id'],
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fixed_ip=objects.FixedIP._from_db_object(
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context, objects.FixedIP(context), db_fixed,
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expected_attrs=['network']))
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return floating
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@obj_base.remotable_classmethod
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def deallocate(cls, context, address):
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return db.floating_ip_deallocate(context, str(address))
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@obj_base.remotable_classmethod
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def destroy(cls, context, address):
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db.floating_ip_destroy(context, str(address))
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@obj_base.remotable_classmethod
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def disassociate(cls, context, address):
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db_fixed = db.floating_ip_disassociate(context, str(address))
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return cls(context=context, address=address,
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fixed_ip_id=db_fixed['id'],
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fixed_ip=objects.FixedIP._from_db_object(
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context, objects.FixedIP(context), db_fixed,
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expected_attrs=['network']))
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@obj_base.remotable_classmethod
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def _get_addresses_by_instance_uuid(cls, context, instance_uuid):
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return db.instance_floating_address_get_all(context, instance_uuid)
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@classmethod
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def get_addresses_by_instance(cls, context, instance):
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return cls._get_addresses_by_instance_uuid(context, instance['uuid'])
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@obj_base.remotable
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def save(self):
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updates = self.obj_get_changes()
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if 'address' in updates:
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raise exception.ObjectActionError(action='save',
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reason='address is not mutable')
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if 'fixed_ip_id' in updates:
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reason = 'fixed_ip_id is not mutable'
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raise exception.ObjectActionError(action='save', reason=reason)
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# NOTE(danms): Make sure we don't pass the calculated fixed_ip
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# relationship to the DB update method
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updates.pop('fixed_ip', None)
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db_floatingip = db.floating_ip_update(self._context, str(self.address),
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updates)
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self._from_db_object(self._context, self, db_floatingip)
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@obj_base.NovaObjectRegistry.register
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class FloatingIPList(obj_base.ObjectListBase, obj_base.NovaObject):
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# Version 1.3: FloatingIP 1.2
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# Version 1.4: FloatingIP 1.3
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# Version 1.5: FloatingIP 1.4
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# Version 1.6: FloatingIP 1.5
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# Version 1.7: FloatingIP 1.6
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# Version 1.8: FloatingIP 1.7
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# Version 1.9: FloatingIP 1.8
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# Version 1.10: FloatingIP 1.9
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# Version 1.11: FloatingIP 1.10
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# Version 1.12: Added get_count_by_project() for quotas
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fields = {
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'objects': fields.ListOfObjectsField('FloatingIP'),
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}
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VERSION = '1.12'
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@staticmethod
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@db_api.pick_context_manager_reader
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def _get_count_by_project_from_db(context, project_id):
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return context.session.query(models.FloatingIp.id).\
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filter_by(deleted=0).\
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filter_by(project_id=project_id).\
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filter_by(auto_assigned=False).\
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count()
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@obj_base.remotable_classmethod
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def get_all(cls, context):
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db_floatingips = db.floating_ip_get_all(context)
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return obj_base.obj_make_list(context, cls(context),
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objects.FloatingIP, db_floatingips)
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@obj_base.remotable_classmethod
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def get_by_host(cls, context, host):
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db_floatingips = db.floating_ip_get_all_by_host(context, host)
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return obj_base.obj_make_list(context, cls(context),
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objects.FloatingIP, db_floatingips)
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@obj_base.remotable_classmethod
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def get_by_project(cls, context, project_id):
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db_floatingips = db.floating_ip_get_all_by_project(context, project_id)
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return obj_base.obj_make_list(context, cls(context),
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objects.FloatingIP, db_floatingips)
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@obj_base.remotable_classmethod
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def get_by_fixed_address(cls, context, fixed_address):
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db_floatingips = db.floating_ip_get_by_fixed_address(
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context, str(fixed_address))
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return obj_base.obj_make_list(context, cls(context),
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objects.FloatingIP, db_floatingips)
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@obj_base.remotable_classmethod
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def get_by_fixed_ip_id(cls, context, fixed_ip_id):
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db_floatingips = db.floating_ip_get_by_fixed_ip_id(context,
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fixed_ip_id)
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return obj_base.obj_make_list(context, cls(), FloatingIP,
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db_floatingips)
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@staticmethod
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def make_ip_info(address, pool, interface):
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return {'address': str(address),
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'pool': pool,
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'interface': interface}
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@obj_base.remotable_classmethod
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def create(cls, context, ip_info, want_result=False):
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db_floatingips = db.floating_ip_bulk_create(context, ip_info,
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want_result=want_result)
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if want_result:
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return obj_base.obj_make_list(context, cls(), FloatingIP,
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db_floatingips)
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@obj_base.remotable_classmethod
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def destroy(cls, context, ips):
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db.floating_ip_bulk_destroy(context, ips)
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@obj_base.remotable_classmethod
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def get_count_by_project(cls, context, project_id):
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return cls._get_count_by_project_from_db(context, project_id)
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# We don't want to register this object because it will not be passed
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# around on RPC, it just makes our lives a lot easier in the API when
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# dealing with floating IP operations
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@obj_base.NovaObjectRegistry.register_if(False)
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class NeutronFloatingIP(FloatingIP):
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# Version 1.0: Initial Version
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VERSION = '1.0'
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fields = {
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'id': fields.UUIDField(),
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'fixed_ip_id': fields.UUIDField(nullable=True)
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}
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