81e03cc89e
H302 violation is reported by flake8 when importing separated objects from
modules instead of importing the whole module.
e.g. from package.module import function
function()
is changed to
from package import module
module.function()
Change-Id: I570eeee2a7633c1590b54ac98b411a71fc9d4f4e
Partial-Bug: #1291032
255 lines
9.0 KiB
Python
255 lines
9.0 KiB
Python
# Copyright 2012 VMware, Inc.
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# All rights reserved.
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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 abc
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from oslo.config import cfg
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from neutron.api import extensions
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from neutron.api.v2 import attributes as attr
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from neutron.api.v2 import resource_helper
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from neutron.common import exceptions as qexception
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from neutron.plugins.common import constants
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# L3 Exceptions
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class RouterNotFound(qexception.NotFound):
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message = _("Router %(router_id)s could not be found")
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class RouterInUse(qexception.InUse):
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message = _("Router %(router_id)s still has ports")
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class RouterInterfaceNotFound(qexception.NotFound):
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message = _("Router %(router_id)s does not have "
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"an interface with id %(port_id)s")
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class RouterInterfaceNotFoundForSubnet(qexception.NotFound):
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message = _("Router %(router_id)s has no interface "
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"on subnet %(subnet_id)s")
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class RouterInterfaceInUseByFloatingIP(qexception.InUse):
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message = _("Router interface for subnet %(subnet_id)s on router "
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"%(router_id)s cannot be deleted, as it is required "
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"by one or more floating IPs.")
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class FloatingIPNotFound(qexception.NotFound):
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message = _("Floating IP %(floatingip_id)s could not be found")
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class ExternalGatewayForFloatingIPNotFound(qexception.NotFound):
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message = _("External network %(external_network_id)s is not reachable "
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"from subnet %(subnet_id)s. Therefore, cannot associate "
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"Port %(port_id)s with a Floating IP.")
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class FloatingIPPortAlreadyAssociated(qexception.InUse):
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message = _("Cannot associate floating IP %(floating_ip_address)s "
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"(%(fip_id)s) with port %(port_id)s "
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"using fixed IP %(fixed_ip)s, as that fixed IP already "
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"has a floating IP on external network %(net_id)s.")
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class L3PortInUse(qexception.InUse):
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message = _("Port %(port_id)s has owner %(device_owner)s and therefore"
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" cannot be deleted directly via the port API.")
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class RouterExternalGatewayInUseByFloatingIp(qexception.InUse):
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message = _("Gateway cannot be updated for router %(router_id)s, since a "
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"gateway to external network %(net_id)s is required by one or "
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"more floating IPs.")
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ROUTERS = 'routers'
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EXTERNAL_GW_INFO = 'external_gateway_info'
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RESOURCE_ATTRIBUTE_MAP = {
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ROUTERS: {
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'id': {'allow_post': False, 'allow_put': False,
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'validate': {'type:uuid': None},
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'is_visible': True,
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'primary_key': True},
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'name': {'allow_post': True, 'allow_put': True,
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'validate': {'type:string': None},
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'is_visible': True, 'default': ''},
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'admin_state_up': {'allow_post': True, 'allow_put': True,
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'default': True,
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'convert_to': attr.convert_to_boolean,
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'is_visible': True},
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'status': {'allow_post': False, 'allow_put': False,
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'is_visible': True},
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'tenant_id': {'allow_post': True, 'allow_put': False,
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'required_by_policy': True,
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'validate': {'type:string': None},
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'is_visible': True},
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EXTERNAL_GW_INFO: {'allow_post': True, 'allow_put': True,
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'is_visible': True, 'default': None,
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'enforce_policy': True}
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},
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'floatingips': {
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'id': {'allow_post': False, 'allow_put': False,
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'validate': {'type:uuid': None},
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'is_visible': True,
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'primary_key': True},
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'floating_ip_address': {'allow_post': False, 'allow_put': False,
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'validate': {'type:ip_address_or_none': None},
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'is_visible': True},
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'floating_network_id': {'allow_post': True, 'allow_put': False,
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'validate': {'type:uuid': None},
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'is_visible': True},
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'router_id': {'allow_post': False, 'allow_put': False,
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'validate': {'type:uuid_or_none': None},
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'is_visible': True, 'default': None},
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'port_id': {'allow_post': True, 'allow_put': True,
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'validate': {'type:uuid_or_none': None},
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'is_visible': True, 'default': None,
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'required_by_policy': True},
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'fixed_ip_address': {'allow_post': True, 'allow_put': True,
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'validate': {'type:ip_address_or_none': None},
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'is_visible': True, 'default': None},
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'tenant_id': {'allow_post': True, 'allow_put': False,
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'required_by_policy': True,
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'validate': {'type:string': None},
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'is_visible': True},
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'status': {'allow_post': False, 'allow_put': False,
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'is_visible': True},
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},
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}
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l3_quota_opts = [
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cfg.IntOpt('quota_router',
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default=10,
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help=_('Number of routers allowed per tenant. '
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'A negative value means unlimited.')),
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cfg.IntOpt('quota_floatingip',
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default=50,
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help=_('Number of floating IPs allowed per tenant. '
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'A negative value means unlimited.')),
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]
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cfg.CONF.register_opts(l3_quota_opts, 'QUOTAS')
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class L3(extensions.ExtensionDescriptor):
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@classmethod
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def get_name(cls):
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return "Neutron L3 Router"
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@classmethod
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def get_alias(cls):
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return "router"
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@classmethod
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def get_description(cls):
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return ("Router abstraction for basic L3 forwarding"
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" between L2 Neutron networks and access to external"
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" networks via a NAT gateway.")
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@classmethod
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def get_namespace(cls):
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return "http://docs.openstack.org/ext/neutron/router/api/v1.0"
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@classmethod
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def get_updated(cls):
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return "2012-07-20T10:00:00-00:00"
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@classmethod
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def get_resources(cls):
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"""Returns Ext Resources."""
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plural_mappings = resource_helper.build_plural_mappings(
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{}, RESOURCE_ATTRIBUTE_MAP)
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attr.PLURALS.update(plural_mappings)
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action_map = {'router': {'add_router_interface': 'PUT',
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'remove_router_interface': 'PUT'}}
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return resource_helper.build_resource_info(plural_mappings,
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RESOURCE_ATTRIBUTE_MAP,
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constants.L3_ROUTER_NAT,
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action_map=action_map,
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register_quota=True)
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def update_attributes_map(self, attributes):
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super(L3, self).update_attributes_map(
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attributes, extension_attrs_map=RESOURCE_ATTRIBUTE_MAP)
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def get_extended_resources(self, version):
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if version == "2.0":
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return RESOURCE_ATTRIBUTE_MAP
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else:
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return {}
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class RouterPluginBase(object):
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@abc.abstractmethod
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def create_router(self, context, router):
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pass
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@abc.abstractmethod
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def update_router(self, context, id, router):
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pass
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@abc.abstractmethod
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def get_router(self, context, id, fields=None):
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pass
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@abc.abstractmethod
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def delete_router(self, context, id):
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pass
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@abc.abstractmethod
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def get_routers(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None, page_reverse=False):
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pass
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@abc.abstractmethod
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def add_router_interface(self, context, router_id, interface_info):
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pass
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@abc.abstractmethod
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def remove_router_interface(self, context, router_id, interface_info):
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pass
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@abc.abstractmethod
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def create_floatingip(self, context, floatingip):
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pass
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@abc.abstractmethod
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def update_floatingip(self, context, id, floatingip):
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pass
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@abc.abstractmethod
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def get_floatingip(self, context, id, fields=None):
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pass
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@abc.abstractmethod
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def delete_floatingip(self, context, id):
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pass
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@abc.abstractmethod
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def get_floatingips(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None,
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page_reverse=False):
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pass
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def get_routers_count(self, context, filters=None):
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raise NotImplementedError()
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def get_floatingips_count(self, context, filters=None):
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raise NotImplementedError()
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