cd88935bcc
Implements blueprint provider-network-extensions-cisco Change-Id: Ia22c21a7a66d22040811a9b43e7749892405e5e7
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Cisco Systems, 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 oslo.config import cfg
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from neutron.agent.common import config
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cisco_plugins_opts = [
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cfg.StrOpt('vswitch_plugin',
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default='neutron.plugins.openvswitch.ovs_neutron_plugin.'
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'OVSNeutronPluginV2',
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help=_("Virtual Switch to use")),
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cfg.StrOpt('nexus_plugin',
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default='neutron.plugins.cisco.nexus.cisco_nexus_plugin_v2.'
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'NexusPlugin',
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help=_("Nexus Switch to use")),
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]
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cisco_opts = [
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cfg.StrOpt('vlan_name_prefix', default='q-',
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help=_("VLAN Name prefix")),
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cfg.StrOpt('provider_vlan_name_prefix', default='p-',
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help=_("VLAN Name prefix for provider vlans")),
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cfg.BoolOpt('provider_vlan_auto_create', default=True,
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help='Provider VLANs are automatically created as needed '
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'on the Nexus switch'),
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cfg.BoolOpt('provider_vlan_auto_trunk', default=True,
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help='Provider VLANs are automatically trunked as needed '
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'on the ports of the Nexus switch'),
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cfg.BoolOpt('svi_round_robin', default=False,
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help=_("Distribute SVI interfaces over all switches")),
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cfg.StrOpt('model_class',
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default='neutron.plugins.cisco.models.virt_phy_sw_v2.'
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'VirtualPhysicalSwitchModelV2',
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help=_("Model Class")),
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cfg.StrOpt('nexus_driver',
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default='neutron.plugins.cisco.test.nexus.'
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'fake_nexus_driver.CiscoNEXUSFakeDriver',
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help=_("Nexus Driver Name")),
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]
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cfg.CONF.register_opts(cisco_opts, "CISCO")
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cfg.CONF.register_opts(cisco_plugins_opts, "CISCO_PLUGINS")
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config.register_root_helper(cfg.CONF)
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# shortcuts
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CONF = cfg.CONF
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CISCO = cfg.CONF.CISCO
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CISCO_PLUGINS = cfg.CONF.CISCO_PLUGINS
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#
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# When populated the nexus_dictionary format is:
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# {('<nexus ipaddr>', '<key>'): '<value>', ...}
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#
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# Example:
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# {('1.1.1.1', 'username'): 'admin',
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# ('1.1.1.1', 'password'): 'mySecretPassword',
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# ('1.1.1.1', 'ssh_port'): 22,
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# ('1.1.1.1', 'compute1'): '1/1', ...}
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#
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nexus_dictionary = {}
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class CiscoConfigOptions():
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"""Cisco Configuration Options Class."""
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def __init__(self):
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self._create_nexus_dictionary()
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def _create_nexus_dictionary(self):
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"""Create the Nexus dictionary.
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Reads data from cisco_plugins.ini NEXUS_SWITCH section(s).
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"""
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multi_parser = cfg.MultiConfigParser()
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read_ok = multi_parser.read(CONF.config_file)
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if len(read_ok) != len(CONF.config_file):
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raise cfg.Error("Some config files were not parsed properly")
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for parsed_file in multi_parser.parsed:
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for parsed_item in parsed_file.keys():
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nexus_name, sep, nexus_ip = parsed_item.partition(':')
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if nexus_name.lower() == "nexus_switch":
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for nexus_key, value in parsed_file[parsed_item].items():
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nexus_dictionary[nexus_ip, nexus_key] = value[0]
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def get_nexus_dictionary():
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return nexus_dictionary
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