90180300eb
Prefer single style of throwing instances and not classes. Change-Id: If159afcd092de5381309cbe217d64145ed5b45b4 Closes-Bug: #1364392
353 lines
14 KiB
Python
353 lines
14 KiB
Python
# Copyright 2011 VMware, 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.
|
|
|
|
"""
|
|
v2 Neutron Plug-in API specification.
|
|
|
|
:class:`NeutronPluginBaseV2` provides the definition of minimum set of
|
|
methods that needs to be implemented by a v2 Neutron Plug-in.
|
|
"""
|
|
|
|
import abc
|
|
import six
|
|
|
|
|
|
@six.add_metaclass(abc.ABCMeta)
|
|
class NeutronPluginBaseV2(object):
|
|
|
|
@abc.abstractmethod
|
|
def create_subnet(self, context, subnet):
|
|
"""Create a subnet.
|
|
|
|
Create a subnet, which represents a range of IP addresses
|
|
that can be allocated to devices
|
|
|
|
:param context: neutron api request context
|
|
:param subnet: dictionary describing the subnet, with keys
|
|
as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP` object
|
|
in :file:`neutron/api/v2/attributes.py`. All keys will
|
|
be populated.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def update_subnet(self, context, id, subnet):
|
|
"""Update values of a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the subnet to update.
|
|
:param subnet: dictionary with keys indicating fields to update.
|
|
valid keys are those that have a value of True for
|
|
'allow_put' as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_subnet(self, context, id, fields=None):
|
|
"""Retrieve a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the subnet to fetch.
|
|
:param fields: a list of strings that are valid keys in a
|
|
subnet dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_subnets(self, context, filters=None, fields=None,
|
|
sorts=None, limit=None, marker=None, page_reverse=False):
|
|
"""Retrieve a list of subnets.
|
|
|
|
The contents of the list depends on
|
|
the identity of the user making the request (as indicated by the
|
|
context) as well as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a subnet as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
|
|
object in :file:`neutron/api/v2/attributes.py`.
|
|
Values in this dictiontary are an iterable containing
|
|
values that will be used for an exact match comparison
|
|
for that value. Each result returned by this
|
|
function will have matched one of the values for each
|
|
key in filters.
|
|
:param fields: a list of strings that are valid keys in a
|
|
subnet dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
def get_subnets_count(self, context, filters=None):
|
|
"""Return the number of subnets.
|
|
|
|
The result depends on the identity of
|
|
the user making the request (as indicated by the context) as well as
|
|
any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a network as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Values in this
|
|
dictiontary are an iterable containing values that
|
|
will be used for an exact match comparison for that
|
|
value. Each result returned by this function will
|
|
have matched one of the values for each key in filters.
|
|
|
|
.. note:: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
@abc.abstractmethod
|
|
def delete_subnet(self, context, id):
|
|
"""Delete a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the subnet to delete.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def create_network(self, context, network):
|
|
"""Create a network.
|
|
|
|
Create a network, which represents an L2 network segment which
|
|
can have a set of subnets and ports associated with it.
|
|
|
|
:param context: neutron api request context
|
|
:param network: dictionary describing the network, with keys
|
|
as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP` object
|
|
in :file:`neutron/api/v2/attributes.py`. All keys will
|
|
be populated.
|
|
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def update_network(self, context, id, network):
|
|
"""Update values of a network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to update.
|
|
:param network: dictionary with keys indicating fields to update.
|
|
valid keys are those that have a value of True for
|
|
'allow_put' as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_network(self, context, id, fields=None):
|
|
"""Retrieve a network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to fetch.
|
|
:param fields: a list of strings that are valid keys in a
|
|
network dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_networks(self, context, filters=None, fields=None,
|
|
sorts=None, limit=None, marker=None, page_reverse=False):
|
|
"""Retrieve a list of networks.
|
|
|
|
The contents of the list depends on
|
|
the identity of the user making the request (as indicated by the
|
|
context) as well as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a network as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Values in this
|
|
dictiontary are an iterable containing values that will
|
|
be used for an exact match comparison for that value.
|
|
Each result returned by this function will have matched
|
|
one of the values for each key in filters.
|
|
:param fields: a list of strings that are valid keys in a
|
|
network dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
def get_networks_count(self, context, filters=None):
|
|
"""Return the number of networks.
|
|
|
|
The result depends on the identity
|
|
of the user making the request (as indicated by the context) as well
|
|
as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a network as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object
|
|
in :file:`neutron/api/v2/attributes.py`. Values in
|
|
this dictiontary are an iterable containing values that
|
|
will be used for an exact match comparison for that
|
|
value. Each result returned by this function will have
|
|
matched one of the values for each key in filters.
|
|
|
|
NOTE: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
@abc.abstractmethod
|
|
def delete_network(self, context, id):
|
|
"""Delete a network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to delete.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def create_port(self, context, port):
|
|
"""Create a port.
|
|
|
|
Create a port, which is a connection point of a device (e.g., a VM
|
|
NIC) to attach to a L2 neutron network.
|
|
|
|
:param context: neutron api request context
|
|
:param port: dictionary describing the port, with keys as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. All keys will be
|
|
populated.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def update_port(self, context, id, port):
|
|
"""Update values of a port.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to update.
|
|
:param port: dictionary with keys indicating fields to update.
|
|
valid keys are those that have a value of True for
|
|
'allow_put' as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
|
|
object in :file:`neutron/api/v2/attributes.py`.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_port(self, context, id, fields=None):
|
|
"""Retrieve a port.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to fetch.
|
|
:param fields: a list of strings that are valid keys in a port
|
|
dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def get_ports(self, context, filters=None, fields=None,
|
|
sorts=None, limit=None, marker=None, page_reverse=False):
|
|
"""Retrieve a list of ports.
|
|
|
|
The contents of the list depends on the identity of the user making
|
|
the request (as indicated by the context) as well as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a port as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
|
|
object in :file:`neutron/api/v2/attributes.py`. Values
|
|
in this dictiontary are an iterable containing values
|
|
that will be used for an exact match comparison for
|
|
that value. Each result returned by this function will
|
|
have matched one of the values for each key in filters.
|
|
:param fields: a list of strings that are valid keys in a
|
|
port dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
pass
|
|
|
|
def get_ports_count(self, context, filters=None):
|
|
"""Return the number of ports.
|
|
|
|
The result depends on the identity of the user making the request
|
|
(as indicated by the context) as well as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a network as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Values in this
|
|
dictiontary are an iterable containing values that will
|
|
be used for an exact match comparison for that value.
|
|
Each result returned by this function will have matched
|
|
one of the values for each key in filters.
|
|
|
|
.. note:: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
@abc.abstractmethod
|
|
def delete_port(self, context, id):
|
|
"""Delete a port.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to delete.
|
|
"""
|
|
pass
|
|
|
|
def start_rpc_listeners(self):
|
|
"""Start the RPC listeners.
|
|
|
|
Most plugins start RPC listeners implicitly on initialization. In
|
|
order to support multiple process RPC, the plugin needs to expose
|
|
control over when this is started.
|
|
|
|
.. note:: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
def rpc_workers_supported(self):
|
|
"""Return whether the plugin supports multiple RPC workers.
|
|
|
|
A plugin that supports multiple RPC workers should override the
|
|
start_rpc_listeners method to ensure that this method returns True and
|
|
that start_rpc_listeners is called at the appropriate time.
|
|
Alternately, a plugin can override this method to customize detection
|
|
of support for multiple rpc workers
|
|
|
|
.. note:: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
return (self.__class__.start_rpc_listeners !=
|
|
NeutronPluginBaseV2.start_rpc_listeners)
|