176 lines
6.8 KiB
Python
176 lines
6.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 Cisco Systems, Inc. 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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#
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# @author: Sumit Naiksatam, Cisco Systems, Inc.
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from copy import deepcopy
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import inspect
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import logging
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from quantum.openstack.common import importutils
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from quantum.plugins.cisco.common import cisco_constants as const
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from quantum.plugins.cisco.l2network_model_base import L2NetworkModelBase
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from quantum.plugins.cisco import l2network_plugin_configuration as conf
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LOG = logging.getLogger(__name__)
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class L2NetworkSingleBlade(L2NetworkModelBase):
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"""
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Implements the L2NetworkModelBase
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This implementation works with a single UCS blade
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"""
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_plugins = {}
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_inventory = {}
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def __init__(self):
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for key in conf.PLUGINS[const.PLUGINS].keys():
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plugin_obj = conf.PLUGINS[const.PLUGINS][key]
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self._plugins[key] = importutils.import_object(plugin_obj)
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LOG.debug("Loaded device plugin %s\n" %
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conf.PLUGINS[const.PLUGINS][key])
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if key in conf.PLUGINS[const.INVENTORY].keys():
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inventory_obj = conf.PLUGINS[const.INVENTORY][key]
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self._inventory[key] = importutils.import_object(inventory_obj)
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LOG.debug("Loaded device inventory %s\n" %
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conf.PLUGINS[const.INVENTORY][key])
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def _func_name(self, offset=0):
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"""Get the name of the calling function"""
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return inspect.stack()[1 + offset][3]
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def _invoke_plugin_per_device(self, plugin_key, function_name, args):
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"""Invoke only device plugin for all the devices in the system"""
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if not plugin_key in self._plugins.keys():
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LOG.info("No %s Plugin loaded" % plugin_key)
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LOG.info("%s: %s with args %s ignored" %
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(plugin_key, function_name, args))
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return
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device_params = self._invoke_inventory(plugin_key, function_name,
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args)
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device_ips = device_params[const.DEVICE_IP]
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if not device_ips:
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self._invoke_plugin(plugin_key, function_name, args,
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device_params)
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else:
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for device_ip in device_ips:
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new_device_params = deepcopy(device_params)
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new_device_params[const.DEVICE_IP] = device_ip
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self._invoke_plugin(plugin_key, function_name, args,
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new_device_params)
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def _invoke_inventory(self, plugin_key, function_name, args):
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"""Invoke only the inventory implementation"""
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if not plugin_key in self._inventory.keys():
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LOG.warn("No %s inventory loaded" % plugin_key)
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LOG.warn("%s: %s with args %s ignored" %
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(plugin_key, function_name, args))
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return {const.DEVICE_IP: []}
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else:
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return getattr(self._inventory[plugin_key], function_name)(args)
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def _invoke_plugin(self, plugin_key, function_name, args, kwargs):
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"""Invoke only the device plugin"""
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# If the last param is a dict, add it to kwargs
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if args and isinstance(args[-1], dict):
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kwargs.update(args.pop())
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return getattr(self._plugins[plugin_key],
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function_name)(*args, **kwargs)
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def get_all_networks(self, args):
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"""Not implemented for this model"""
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pass
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def create_network(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def delete_network(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def get_network_details(self, args):
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"""Not implemented for this model"""
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pass
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def update_network(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def get_all_ports(self, args):
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"""Not implemented for this model"""
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pass
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def create_port(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def delete_port(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def update_port(self, args):
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"""Not implemented for this model"""
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pass
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def get_port_details(self, args):
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"""Not implemented for this model"""
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pass
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def plug_interface(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def unplug_interface(self, args):
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"""Support for the Quantum core API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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def schedule_host(self, args):
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"""Provides the hostname on which a dynamic vnic is reserved"""
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LOG.debug("schedule_host() called\n")
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return self._invoke_inventory(const.UCS_PLUGIN, self._func_name(),
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args)
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def associate_port(self, args):
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"""
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Get the portprofile name and the device namei for the dynamic vnic
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"""
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LOG.debug("associate_port() called\n")
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return self._invoke_inventory(const.UCS_PLUGIN, self._func_name(),
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args)
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def detach_port(self, args):
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"""
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Remove the association of the VIF with the dynamic vnic
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"""
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LOG.debug("detach_port() called\n")
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return self._invoke_plugin_per_device(const.UCS_PLUGIN,
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self._func_name(), args)
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def create_multiport(self, args):
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"""Support for extension API call"""
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self._invoke_plugin_per_device(const.UCS_PLUGIN, self._func_name(),
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args)
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