163 lines
4.6 KiB
Python
163 lines
4.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira Networks, 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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# @author: Somik Behera, Nicira Networks, Inc.
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"""
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Quantum Plug-in API specification.
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QuantumPluginBase provides the definition of minimum set of
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methods that needs to be implemented by a Quantum Plug-in.
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"""
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from abc import ABCMeta, abstractmethod
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class QuantumPluginBase(object):
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__metaclass__ = ABCMeta
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@abstractmethod
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def get_all_networks(self, tenant_id):
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"""
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Returns a dictionary containing all
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<network_uuid, network_name> for
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the specified tenant.
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"""
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pass
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@abstractmethod
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def create_network(self, tenant_id, net_name):
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"""
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Creates a new Virtual Network, and assigns it
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a symbolic name.
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"""
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pass
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@abstractmethod
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def delete_network(self, tenant_id, net_id):
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"""
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Deletes the network with the specified network identifier
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belonging to the specified tenant.
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"""
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pass
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@abstractmethod
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def get_network_details(self, tenant_id, net_id):
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"""
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retrieved a list of all the remote vifs that
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are attached to the network
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"""
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pass
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@abstractmethod
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def rename_network(self, tenant_id, net_id, new_name):
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"""
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Updates the symbolic name belonging to a particular
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Virtual Network.
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"""
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pass
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@abstractmethod
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def get_all_ports(self, tenant_id, net_id):
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"""
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Retrieves all port identifiers belonging to the
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specified Virtual Network.
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"""
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pass
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@abstractmethod
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def create_port(self, tenant_id, net_id, port_state=None):
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"""
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Creates a port on the specified Virtual Network.
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"""
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pass
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@abstractmethod
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def update_port(self, tenant_id, net_id, port_id, port_state):
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"""
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Updates the state of a specific port on the
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specified Virtual Network
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"""
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pass
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@abstractmethod
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def delete_port(self, tenant_id, net_id, port_id):
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"""
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Deletes a port on a specified Virtual Network,
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if the port contains a remote interface attachment,
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the remote interface is first un-plugged and then the port
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is deleted.
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"""
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pass
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@abstractmethod
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def get_port_details(self, tenant_id, net_id, port_id):
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"""
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This method allows the user to retrieve a remote interface
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that is attached to this particular port.
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"""
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pass
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@abstractmethod
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def plug_interface(self, tenant_id, net_id, port_id, remote_interface_id):
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"""
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Attaches a remote interface to the specified port on the
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specified Virtual Network.
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"""
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pass
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@abstractmethod
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def unplug_interface(self, tenant_id, net_id, port_id):
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"""
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Detaches a remote interface from the specified port on the
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specified Virtual Network.
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"""
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pass
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@abstractmethod
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def get_interface_details(self, tenant_id, net_id, port_id):
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"""
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Retrieves the remote interface that is attached at this
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particular port.
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"""
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pass
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@abstractmethod
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def get_all_attached_interfaces(self, tenant_id, net_id):
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"""
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Retrieves all remote interfaces that are attached to
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a particular Virtual Network.
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"""
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pass
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@classmethod
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def __subclasshook__(cls, klass):
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"""
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The __subclasshook__ method is a class method
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that will be called everytime a class is tested
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using issubclass(klass, Plugin).
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In that case, it will check that every method
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marked with the abstractmethod decorator is
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provided by the plugin class.
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"""
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if cls is QuantumPluginBase:
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for method in cls.__abstractmethods__:
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if any(method in base.__dict__ for base in klass.__mro__):
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continue
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return NotImplemented
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return True
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return NotImplemented
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