1482 lines
68 KiB
Python
1482 lines
68 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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#
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# @author: Aruna Kushwaha, Cisco Systems, Inc.
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# @author: Rudrajit Tapadar, Cisco Systems, Inc.
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# @author: Abhishek Raut, Cisco Systems, Inc.
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# @author: Sergey Sudakovich, Cisco Systems, Inc.
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import eventlet
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from oslo.config import cfg as q_conf
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from neutron.agent import securitygroups_rpc as sg_rpc
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from neutron.api.rpc.agentnotifiers import dhcp_rpc_agent_api
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from neutron.api.rpc.agentnotifiers import l3_rpc_agent_api
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from neutron.api.v2 import attributes
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from neutron.common import exceptions as q_exc
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from neutron.common import rpc as q_rpc
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from neutron.common import topics
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from neutron.common import utils
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from neutron.db import agents_db
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from neutron.db import agentschedulers_db
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from neutron.db import db_base_plugin_v2
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from neutron.db import dhcp_rpc_base
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from neutron.db import l3_db
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from neutron.db import l3_rpc_base
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from neutron.db import securitygroups_rpc_base as sg_db_rpc
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from neutron.extensions import providernet
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from neutron.openstack.common import log as logging
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from neutron.openstack.common import rpc
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from neutron.openstack.common.rpc import proxy
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from neutron.openstack.common import uuidutils as uuidutils
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from neutron.plugins.cisco.common import cisco_constants as c_const
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from neutron.plugins.cisco.common import cisco_credentials_v2 as c_cred
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from neutron.plugins.cisco.common import cisco_exceptions
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from neutron.plugins.cisco.common import config as c_conf
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from neutron.plugins.cisco.db import n1kv_db_v2
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from neutron.plugins.cisco.db import network_db_v2
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from neutron.plugins.cisco.extensions import n1kv_profile
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from neutron.plugins.cisco.n1kv import n1kv_client
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LOG = logging.getLogger(__name__)
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class N1kvRpcCallbacks(dhcp_rpc_base.DhcpRpcCallbackMixin,
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l3_rpc_base.L3RpcCallbackMixin,
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sg_db_rpc.SecurityGroupServerRpcCallbackMixin):
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"""Class to handle agent RPC calls."""
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# Set RPC API version to 1.1 by default.
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RPC_API_VERSION = '1.1'
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def __init__(self, notifier):
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self.notifier = notifier
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def create_rpc_dispatcher(self):
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"""Get the rpc dispatcher for this rpc manager.
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If a manager would like to set an rpc API version, or support more than
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one class as the target of rpc messages, override this method.
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"""
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return q_rpc.PluginRpcDispatcher([self,
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agents_db.AgentExtRpcCallback()])
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class AgentNotifierApi(proxy.RpcProxy,
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sg_rpc.SecurityGroupAgentRpcApiMixin):
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"""Agent side of the N1kv rpc API.
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API version history:
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1.0 - Initial version.
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"""
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BASE_RPC_API_VERSION = '1.0'
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def __init__(self, topic):
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super(AgentNotifierApi, self).__init__(
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topic=topic, default_version=self.BASE_RPC_API_VERSION)
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self.topic_network_delete = topics.get_topic_name(topic,
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topics.NETWORK,
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topics.DELETE)
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self.topic_port_update = topics.get_topic_name(topic,
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topics.PORT,
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topics.UPDATE)
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self.topic_vxlan_update = topics.get_topic_name(topic,
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c_const.TUNNEL,
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topics.UPDATE)
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def network_delete(self, context, network_id):
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self.fanout_cast(context,
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self.make_msg('network_delete',
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network_id=network_id),
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topic=self.topic_network_delete)
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def port_update(self, context, port, network_type, segmentation_id,
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physical_network):
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self.fanout_cast(context,
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self.make_msg('port_update',
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port=port,
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network_type=network_type,
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segmentation_id=segmentation_id,
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physical_network=physical_network),
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topic=self.topic_port_update)
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def vxlan_update(self, context, vxlan_ip, vxlan_id):
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self.fanout_cast(context,
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self.make_msg('vxlan_update',
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vxlan_ip=vxlan_ip,
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vxlan_id=vxlan_id),
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topic=self.topic_vxlan_update)
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class N1kvNeutronPluginV2(db_base_plugin_v2.NeutronDbPluginV2,
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l3_db.L3_NAT_db_mixin,
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n1kv_db_v2.NetworkProfile_db_mixin,
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n1kv_db_v2.PolicyProfile_db_mixin,
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network_db_v2.Credential_db_mixin,
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agentschedulers_db.AgentSchedulerDbMixin):
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"""
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Implement the Neutron abstractions using Cisco Nexus1000V.
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Refer README file for the architecture, new features, and
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workflow
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"""
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# This attribute specifies whether the plugin supports or not
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# bulk operations.
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__native_bulk_support = False
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supported_extension_aliases = ["provider", "agent",
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"policy_profile_binding",
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"network_profile_binding",
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"n1kv_profile", "network_profile",
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"policy_profile", "router", "credential"]
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def __init__(self, configfile=None):
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"""
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Initialize Nexus1000V Neutron plugin.
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1. Initialize Nexus1000v and Credential DB
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2. Establish communication with Cisco Nexus1000V
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"""
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n1kv_db_v2.initialize()
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c_cred.Store.initialize()
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self._initialize_network_ranges()
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# If no api_extensions_path is provided set the following
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if not q_conf.CONF.api_extensions_path:
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q_conf.CONF.set_override(
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'api_extensions_path',
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'extensions:neutron/plugins/cisco/extensions')
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self._setup_vsm()
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self._setup_rpc()
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def _setup_rpc(self):
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# RPC support
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self.topic = topics.PLUGIN
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self.conn = rpc.create_connection(new=True)
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self.notifier = AgentNotifierApi(topics.AGENT)
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self.callbacks = N1kvRpcCallbacks(self.notifier)
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self.dispatcher = self.callbacks.create_rpc_dispatcher()
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self.conn.create_consumer(self.topic, self.dispatcher,
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fanout=False)
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# Consume from all consumers in a thread
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self.dhcp_agent_notifier = dhcp_rpc_agent_api.DhcpAgentNotifyAPI()
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self.l3_agent_notifier = l3_rpc_agent_api.L3AgentNotify
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self.conn.consume_in_thread()
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def _setup_vsm(self):
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"""
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Setup Cisco Nexus 1000V related parameters and pull policy profiles.
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Retreive all the policy profiles from the VSM when the plugin is
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is instantiated for the first time and then continue to poll for
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policy profile updates.
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"""
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LOG.debug(_('_setup_vsm'))
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self.agent_vsm = True
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# Retrieve all the policy profiles from VSM.
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self._populate_policy_profiles()
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# Continue to poll VSM for any create/delete of policy profiles.
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eventlet.spawn(self._poll_policy_profiles)
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def _poll_policy_profiles(self):
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"""Start a green thread to pull policy profiles from VSM."""
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while True:
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self._poll_policies(event_type='port_profile')
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eventlet.sleep(int(c_conf.CISCO_N1K.poll_duration))
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def _populate_policy_profiles(self):
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"""
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Populate all the policy profiles from VSM.
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The tenant id is not available when the policy profiles are polled
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from the VSM. Hence we associate the policy profiles with fake
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tenant-ids.
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"""
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LOG.debug(_('_populate_policy_profiles'))
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try:
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n1kvclient = n1kv_client.Client()
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policy_profiles = n1kvclient.list_port_profiles()
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LOG.debug(_('_populate_policy_profiles %s'), policy_profiles)
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if policy_profiles:
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for profile in policy_profiles['body'][c_const.SET]:
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if c_const.ID and c_const.NAME in profile:
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profile_id = profile[c_const.PROPERTIES][c_const.ID]
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profile_name = profile[c_const.
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PROPERTIES][c_const.NAME]
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self._add_policy_profile(profile_name, profile_id)
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self._remove_all_fake_policy_profiles()
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except (cisco_exceptions.VSMError,
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cisco_exceptions.VSMConnectionFailed):
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LOG.warning(_('No policy profile populated from VSM'))
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def _poll_policies(self, event_type=None, epoch=None, tenant_id=None):
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"""
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Poll for Policy Profiles from Cisco Nexus1000V for any update/delete.
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"""
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LOG.debug(_('_poll_policies'))
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try:
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n1kvclient = n1kv_client.Client()
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policy_profiles = n1kvclient.list_events(event_type, epoch)
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if policy_profiles:
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for profile in policy_profiles['body'][c_const.SET]:
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if c_const.NAME in profile:
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# Extract commands from the events XML.
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cmd = profile[c_const.PROPERTIES]['cmd']
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cmds = cmd.split(';')
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cmdwords = cmds[1].split()
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profile_name = profile[c_const.
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PROPERTIES][c_const.NAME]
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# Delete the policy profile from db if deleted on VSM
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if 'no' in cmdwords[0]:
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p = self._get_policy_profile_by_name(profile_name)
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if p:
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self._delete_policy_profile(p['id'])
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# Add policy profile to neutron DB idempotently
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elif c_const.ID in profile[c_const.PROPERTIES]:
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profile_id = profile[c_const.
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PROPERTIES][c_const.ID]
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self._add_policy_profile(
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profile_name, profile_id, tenant_id)
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# Replace tenant-id for profile bindings with admin's tenant-id
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self._remove_all_fake_policy_profiles()
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except (cisco_exceptions.VSMError,
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cisco_exceptions.VSMConnectionFailed):
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LOG.warning(_('No policy profile updated from VSM'))
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def _initialize_network_ranges(self):
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self.network_vlan_ranges = {}
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self.vxlan_id_ranges = []
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network_profiles = n1kv_db_v2._get_network_profiles()
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for network_profile in network_profiles:
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seg_min, seg_max = self._get_segment_range(
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network_profile['segment_range'])
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if network_profile['segment_type'] == c_const.NETWORK_TYPE_VLAN:
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self._add_network_vlan_range(network_profile[
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'physical_network'], int(seg_min), int(seg_max))
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elif network_profile['segment_type'] == (c_const.
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NETWORK_TYPE_OVERLAY):
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self.vxlan_id_ranges.append((int(seg_min), int(seg_max)))
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def _add_network_vlan_range(self, physical_network, vlan_min, vlan_max):
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self._add_network(physical_network)
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self.network_vlan_ranges[physical_network].append((vlan_min, vlan_max))
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def _add_network(self, physical_network):
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if physical_network not in self.network_vlan_ranges:
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self.network_vlan_ranges[physical_network] = []
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def _extend_network_dict_provider(self, context, network):
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"""Add extended network parameters."""
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binding = n1kv_db_v2.get_network_binding(context.session,
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network['id'])
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network[providernet.NETWORK_TYPE] = binding.network_type
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if binding.network_type == c_const.NETWORK_TYPE_OVERLAY:
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network[providernet.PHYSICAL_NETWORK] = None
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network[providernet.SEGMENTATION_ID] = binding.segmentation_id
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network[n1kv_profile.MULTICAST_IP] = binding.multicast_ip
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elif binding.network_type == c_const.NETWORK_TYPE_VLAN:
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network[providernet.PHYSICAL_NETWORK] = binding.physical_network
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network[providernet.SEGMENTATION_ID] = binding.segmentation_id
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elif binding.network_type == c_const.NETWORK_TYPE_TRUNK:
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network[providernet.PHYSICAL_NETWORK] = binding.physical_network
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network[providernet.SEGMENTATION_ID] = None
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network[n1kv_profile.MULTICAST_IP] = None
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elif binding.network_type == c_const.NETWORK_TYPE_MULTI_SEGMENT:
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network[providernet.PHYSICAL_NETWORK] = None
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network[providernet.SEGMENTATION_ID] = None
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network[n1kv_profile.MULTICAST_IP] = None
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def _process_provider_create(self, context, attrs):
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network_type = attrs.get(providernet.NETWORK_TYPE)
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physical_network = attrs.get(providernet.PHYSICAL_NETWORK)
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segmentation_id = attrs.get(providernet.SEGMENTATION_ID)
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network_type_set = attributes.is_attr_set(network_type)
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physical_network_set = attributes.is_attr_set(physical_network)
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segmentation_id_set = attributes.is_attr_set(segmentation_id)
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if not (network_type_set or physical_network_set or
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segmentation_id_set):
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return (None, None, None)
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if not network_type_set:
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msg = _("provider:network_type required")
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raise q_exc.InvalidInput(error_message=msg)
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elif network_type == c_const.NETWORK_TYPE_VLAN:
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if not segmentation_id_set:
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msg = _("provider:segmentation_id required")
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raise q_exc.InvalidInput(error_message=msg)
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if segmentation_id < 1 or segmentation_id > 4094:
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msg = _("provider:segmentation_id out of range "
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"(1 through 4094)")
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raise q_exc.InvalidInput(error_message=msg)
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elif network_type == c_const.NETWORK_TYPE_OVERLAY:
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if physical_network_set:
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msg = _("provider:physical_network specified for Overlay "
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"network")
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raise q_exc.InvalidInput(error_message=msg)
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else:
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physical_network = None
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if not segmentation_id_set:
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msg = _("provider:segmentation_id required")
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raise q_exc.InvalidInput(error_message=msg)
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if segmentation_id < 5000:
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msg = _("provider:segmentation_id out of range "
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"(5000+)")
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raise q_exc.InvalidInput(error_message=msg)
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else:
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msg = _("provider:network_type %s not supported"), network_type
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raise q_exc.InvalidInput(error_message=msg)
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if network_type == c_const.NETWORK_TYPE_VLAN:
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if physical_network_set:
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if physical_network not in self.network_vlan_ranges:
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msg = (_("Unknown provider:physical_network %s") %
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physical_network)
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raise q_exc.InvalidInput(error_message=msg)
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elif 'default' in self.network_vlan_ranges:
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physical_network = 'default'
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else:
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msg = _("provider:physical_network required")
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raise q_exc.InvalidInput(error_message=msg)
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return (network_type, physical_network, segmentation_id)
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def _check_provider_update(self, context, attrs):
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"""Handle Provider network updates."""
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network_type = attrs.get(providernet.NETWORK_TYPE)
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physical_network = attrs.get(providernet.PHYSICAL_NETWORK)
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segmentation_id = attrs.get(providernet.SEGMENTATION_ID)
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network_type_set = attributes.is_attr_set(network_type)
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physical_network_set = attributes.is_attr_set(physical_network)
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segmentation_id_set = attributes.is_attr_set(segmentation_id)
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if not (network_type_set or physical_network_set or
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segmentation_id_set):
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return
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# TBD : Need to handle provider network updates
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msg = _("Plugin does not support updating provider attributes")
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raise q_exc.InvalidInput(error_message=msg)
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def _get_cluster(self, segment1, segment2, clusters):
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"""
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Returns a cluster to apply the segment mapping
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:param segment1: UUID of segment to be mapped
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:param segment2: UUID of segment to be mapped
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:param clusters: List of clusters
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"""
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for cluster in sorted(clusters, key=lambda k: k['size']):
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for mapping in cluster[c_const.MAPPINGS]:
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for segment in mapping[c_const.SEGMENTS]:
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if segment1 in segment or segment2 in segment:
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break
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else:
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cluster['size'] += 2
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return cluster['encapProfileName']
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break
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return
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def _extend_mapping_dict(self, context, mapping_dict, segment):
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"""
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Extend a mapping dictionary with dot1q tag and bridge-domain name.
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:param context: neutron api request context
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:param mapping_dict: dictionary to populate values
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:param segment: id of the segment being populated
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"""
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net = self.get_network(context, segment)
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if net[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_VLAN:
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mapping_dict['dot1q'] = str(net[providernet.SEGMENTATION_ID])
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else:
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mapping_dict['bridgeDomain'] = (net['name'] +
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c_const.BRIDGE_DOMAIN_SUFFIX)
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def _send_add_multi_segment_request(self, context, net_id, segment_pairs):
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"""
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Send Add multi-segment network request to VSM.
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:param context: neutron api request context
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:param net_id: UUID of the multi-segment network
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:param segment_pairs: List of segments in UUID pairs
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that need to be bridged
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"""
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if not segment_pairs:
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return
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session = context.session
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n1kvclient = n1kv_client.Client()
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clusters = n1kvclient.get_clusters()
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online_clusters = []
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encap_dict = {}
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for cluster in clusters['body'][c_const.SET]:
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cluster = cluster[c_const.PROPERTIES]
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if cluster[c_const.STATE] == c_const.ONLINE:
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cluster['size'] = 0
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for mapping in cluster[c_const.MAPPINGS]:
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cluster['size'] += (
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len(mapping[c_const.SEGMENTS]))
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online_clusters.append(cluster)
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for (segment1, segment2) in segment_pairs:
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encap_profile = self._get_cluster(segment1, segment2,
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online_clusters)
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if encap_profile is not None:
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if encap_profile in encap_dict:
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profile_dict = encap_dict[encap_profile]
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else:
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profile_dict = {'name': encap_profile,
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'addMappings': [],
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'delMappings': []}
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encap_dict[encap_profile] = profile_dict
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mapping_dict = {}
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self._extend_mapping_dict(context,
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mapping_dict, segment1)
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self._extend_mapping_dict(context,
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mapping_dict, segment2)
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profile_dict['addMappings'].append(mapping_dict)
|
|
n1kv_db_v2.add_multi_segment_encap_profile_name(session,
|
|
net_id,
|
|
(segment1,
|
|
segment2),
|
|
encap_profile)
|
|
else:
|
|
raise cisco_exceptions.NoClusterFound
|
|
|
|
for profile in encap_dict:
|
|
n1kvclient.update_encapsulation_profile(context, profile,
|
|
encap_dict[profile])
|
|
|
|
def _send_del_multi_segment_request(self, context, net_id, segment_pairs):
|
|
"""
|
|
Send Delete multi-segment network request to VSM.
|
|
|
|
:param context: neutron api request context
|
|
:param net_id: UUID of the multi-segment network
|
|
:param segment_pairs: List of segments in UUID pairs
|
|
whose bridging needs to be removed
|
|
"""
|
|
if not segment_pairs:
|
|
return
|
|
session = context.session
|
|
encap_dict = {}
|
|
n1kvclient = n1kv_client.Client()
|
|
for (segment1, segment2) in segment_pairs:
|
|
binding = (
|
|
n1kv_db_v2.get_multi_segment_network_binding(session, net_id,
|
|
(segment1,
|
|
segment2)))
|
|
encap_profile = binding['encap_profile_name']
|
|
if encap_profile in encap_dict:
|
|
profile_dict = encap_dict[encap_profile]
|
|
else:
|
|
profile_dict = {'name': encap_profile,
|
|
'addMappings': [],
|
|
'delMappings': []}
|
|
encap_dict[encap_profile] = profile_dict
|
|
mapping_dict = {}
|
|
self._extend_mapping_dict(context,
|
|
mapping_dict, segment1)
|
|
self._extend_mapping_dict(context,
|
|
mapping_dict, segment2)
|
|
profile_dict['delMappings'].append(mapping_dict)
|
|
|
|
for profile in encap_dict:
|
|
n1kvclient.update_encapsulation_profile(context, profile,
|
|
encap_dict[profile])
|
|
|
|
def _get_encap_segments(self, context, segment_pairs):
|
|
"""
|
|
Get the list of segments in encapsulation profile format.
|
|
|
|
:param context: neutron api request context
|
|
:param segment_pairs: List of segments that need to be bridged
|
|
"""
|
|
member_list = []
|
|
for pair in segment_pairs:
|
|
(segment, dot1qtag) = pair
|
|
member_dict = {}
|
|
net = self.get_network(context, segment)
|
|
member_dict['bridgeDomain'] = (net['name'] +
|
|
c_const.BRIDGE_DOMAIN_SUFFIX)
|
|
member_dict['dot1q'] = dot1qtag
|
|
member_list.append(member_dict)
|
|
return member_list
|
|
|
|
def _populate_member_segments(self, context, network, segment_pairs, oper):
|
|
"""
|
|
Populate trunk network dict with member segments.
|
|
|
|
:param context: neutron api request context
|
|
:param network: Dictionary containing the trunk network information
|
|
:param segment_pairs: List of segments in UUID pairs
|
|
that needs to be trunked
|
|
:param oper: Operation to be performed
|
|
"""
|
|
LOG.debug(_('_populate_member_segments %s'), segment_pairs)
|
|
trunk_list = []
|
|
for (segment, dot1qtag) in segment_pairs:
|
|
net = self.get_network(context, segment)
|
|
member_dict = {'segment': net['name'],
|
|
'dot1qtag': dot1qtag}
|
|
trunk_list.append(member_dict)
|
|
if oper == n1kv_profile.SEGMENT_ADD:
|
|
network['add_segment_list'] = trunk_list
|
|
elif oper == n1kv_profile.SEGMENT_DEL:
|
|
network['del_segment_list'] = trunk_list
|
|
|
|
def _parse_multi_segments(self, context, attrs, param):
|
|
"""
|
|
Parse the multi-segment network attributes.
|
|
|
|
:param context: neutron api request context
|
|
:param attrs: Attributes of the network
|
|
:param param: Additional parameter indicating an add
|
|
or del operation
|
|
:returns: List of segment UUIDs in set pairs
|
|
"""
|
|
pair_list = []
|
|
valid_seg_types = [c_const.NETWORK_TYPE_VLAN,
|
|
c_const.NETWORK_TYPE_OVERLAY]
|
|
segments = attrs.get(param)
|
|
if not attributes.is_attr_set(segments):
|
|
return pair_list
|
|
for pair in segments.split(','):
|
|
segment1, sep, segment2 = pair.partition(':')
|
|
if (uuidutils.is_uuid_like(segment1) and
|
|
uuidutils.is_uuid_like(segment2)):
|
|
binding1 = n1kv_db_v2.get_network_binding(context.session,
|
|
segment1)
|
|
binding2 = n1kv_db_v2.get_network_binding(context.session,
|
|
segment2)
|
|
if (binding1.network_type not in valid_seg_types or
|
|
binding2.network_type not in valid_seg_types or
|
|
binding1.network_type == binding2.network_type):
|
|
msg = _("Invalid pairing supplied")
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
else:
|
|
pair_list.append((segment1, segment2))
|
|
else:
|
|
LOG.debug(_('Invalid UUID supplied in %s'), pair)
|
|
msg = _("Invalid UUID supplied")
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
return pair_list
|
|
|
|
def _parse_trunk_segments(self, context, attrs, param, physical_network,
|
|
sub_type):
|
|
"""
|
|
Parse the trunk network attributes.
|
|
|
|
:param context: neutron api request context
|
|
:param attrs: Attributes of the network
|
|
:param param: Additional parameter indicating an add
|
|
or del operation
|
|
:param physical_network: Physical network of the trunk segment
|
|
:param sub_type: Sub-type of the trunk segment
|
|
:returns: List of segment UUIDs and dot1qtag (for vxlan) in set pairs
|
|
"""
|
|
pair_list = []
|
|
segments = attrs.get(param)
|
|
if not attributes.is_attr_set(segments):
|
|
return pair_list
|
|
for pair in segments.split(','):
|
|
segment, sep, dot1qtag = pair.partition(':')
|
|
if sub_type == c_const.NETWORK_TYPE_VLAN:
|
|
dot1qtag = ''
|
|
if uuidutils.is_uuid_like(segment):
|
|
binding = n1kv_db_v2.get_network_binding(context.session,
|
|
segment)
|
|
if binding.network_type == c_const.NETWORK_TYPE_TRUNK:
|
|
msg = _("Cannot add a trunk segment '%s' as a member of "
|
|
"another trunk segment") % segment
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
elif binding.network_type == c_const.NETWORK_TYPE_VLAN:
|
|
if sub_type == c_const.NETWORK_TYPE_OVERLAY:
|
|
msg = _("Cannot add vlan segment '%s' as a member of "
|
|
"a vxlan trunk segment") % segment
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
if not physical_network:
|
|
physical_network = binding.physical_network
|
|
elif physical_network != binding.physical_network:
|
|
msg = _("Network UUID '%s' belongs to a different "
|
|
"physical network") % segment
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
elif binding.network_type == c_const.NETWORK_TYPE_OVERLAY:
|
|
if sub_type == c_const.NETWORK_TYPE_VLAN:
|
|
msg = _("Cannot add vxlan segment '%s' as a member of "
|
|
"a vlan trunk segment") % segment
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
try:
|
|
if not utils.is_valid_vlan_tag(int(dot1qtag)):
|
|
msg = _("Vlan tag '%s' is out of range") % dot1qtag
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
except ValueError:
|
|
msg = _("Vlan tag '%s' is not an integer "
|
|
"value") % dot1qtag
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
pair_list.append((segment, dot1qtag))
|
|
else:
|
|
LOG.debug(_('%s is not a valid uuid'), segment)
|
|
msg = _("'%s' is not a valid UUID") % segment
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
return pair_list
|
|
|
|
def _extend_network_dict_member_segments(self, context, network):
|
|
"""Add the extended parameter member segments to the network."""
|
|
members = []
|
|
binding = n1kv_db_v2.get_network_binding(context.session,
|
|
network['id'])
|
|
if binding.network_type == c_const.NETWORK_TYPE_TRUNK:
|
|
members = n1kv_db_v2.get_trunk_members(context.session,
|
|
network['id'])
|
|
elif binding.network_type == c_const.NETWORK_TYPE_MULTI_SEGMENT:
|
|
members = n1kv_db_v2.get_multi_segment_members(context.session,
|
|
network['id'])
|
|
network[n1kv_profile.MEMBER_SEGMENTS] = members
|
|
|
|
def _extend_network_dict_profile(self, context, network):
|
|
"""Add the extended parameter network profile to the network."""
|
|
binding = n1kv_db_v2.get_network_binding(context.session,
|
|
network['id'])
|
|
network[n1kv_profile.PROFILE_ID] = binding.profile_id
|
|
|
|
def _extend_port_dict_profile(self, context, port):
|
|
"""Add the extended parameter port profile to the port."""
|
|
binding = n1kv_db_v2.get_port_binding(context.session,
|
|
port['id'])
|
|
port[n1kv_profile.PROFILE_ID] = binding.profile_id
|
|
|
|
def _process_network_profile(self, context, network):
|
|
"""Validate network profile exists."""
|
|
profile_id = network.get(n1kv_profile.PROFILE_ID)
|
|
profile_id_set = attributes.is_attr_set(profile_id)
|
|
if not profile_id_set:
|
|
profile_name = c_conf.CISCO_N1K.default_network_profile
|
|
net_p = self._get_network_profile_by_name(context.session,
|
|
profile_name)
|
|
profile_id = net_p['id']
|
|
network['n1kv:profile_id'] = profile_id
|
|
return profile_id
|
|
|
|
def _process_policy_profile(self, context, attrs):
|
|
"""Validates whether policy profile exists."""
|
|
profile_id = attrs.get(n1kv_profile.PROFILE_ID)
|
|
profile_id_set = attributes.is_attr_set(profile_id)
|
|
if not profile_id_set:
|
|
msg = _("n1kv:profile_id does not exist")
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
if not self._policy_profile_exists(profile_id):
|
|
msg = _("n1kv:profile_id does not exist")
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
|
|
return profile_id
|
|
|
|
def _send_create_logical_network_request(self, network_profile):
|
|
"""
|
|
Send create logical network request to VSM.
|
|
|
|
:param network_profile: network profile dictionary
|
|
"""
|
|
LOG.debug(_('_send_create_logical_network'))
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.create_logical_network(network_profile)
|
|
|
|
def _send_delete_logical_network_request(self, network_profile):
|
|
"""
|
|
Send delete logical network request to VSM.
|
|
|
|
:param network_profile: network profile dictionary
|
|
"""
|
|
LOG.debug('_send_delete_logical_network')
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.delete_logical_network(network_profile)
|
|
|
|
def _send_create_network_profile_request(self, context, profile):
|
|
"""
|
|
Send create network profile request to VSM.
|
|
|
|
:param context: neutron api request context
|
|
:param profile: network profile dictionary
|
|
"""
|
|
LOG.debug(_('_send_create_network_profile_request: %s'), profile['id'])
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.create_network_segment_pool(profile)
|
|
|
|
def _send_delete_network_profile_request(self, profile):
|
|
"""
|
|
Send delete network profile request to VSM.
|
|
|
|
:param profile: network profile dictionary
|
|
"""
|
|
LOG.debug(_('_send_delete_network_profile_request: %s'),
|
|
profile['name'])
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.delete_network_segment_pool(profile['name'])
|
|
|
|
def _send_create_network_request(self, context, network, segment_pairs):
|
|
"""
|
|
Send create network request to VSM.
|
|
|
|
Create a bridge domain for network of type Overlay.
|
|
:param context: neutron api request context
|
|
:param network: network dictionary
|
|
:param segment_pairs: List of segments in UUID pairs
|
|
that need to be bridged
|
|
"""
|
|
LOG.debug(_('_send_create_network_request: %s'), network['id'])
|
|
profile = self.get_network_profile(context,
|
|
network[n1kv_profile.PROFILE_ID])
|
|
n1kvclient = n1kv_client.Client()
|
|
if network[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_OVERLAY:
|
|
n1kvclient.create_bridge_domain(network, profile['sub_type'])
|
|
if network[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_TRUNK:
|
|
self._populate_member_segments(context, network, segment_pairs,
|
|
n1kv_profile.SEGMENT_ADD)
|
|
network['del_segment_list'] = []
|
|
if profile['sub_type'] == c_const.NETWORK_TYPE_OVERLAY:
|
|
encap_dict = {'name': (network['name'] +
|
|
c_const.ENCAPSULATION_PROFILE_SUFFIX),
|
|
'add_segment_list': (
|
|
self._get_encap_segments(context,
|
|
segment_pairs)),
|
|
'del_segment_list': []}
|
|
n1kvclient.create_encapsulation_profile(encap_dict)
|
|
n1kvclient.create_network_segment(network, profile)
|
|
|
|
def _send_update_network_request(self, context, network, add_segments,
|
|
del_segments):
|
|
"""
|
|
Send update network request to VSM.
|
|
|
|
:param context: neutron api request context
|
|
:param network: network dictionary
|
|
:param add_segments: List of segments bindings
|
|
that need to be deleted
|
|
:param del_segments: List of segments bindings
|
|
that need to be deleted
|
|
"""
|
|
LOG.debug(_('_send_update_network_request: %s'), network['id'])
|
|
db_session = context.session
|
|
profile = n1kv_db_v2.get_network_profile(
|
|
db_session, network[n1kv_profile.PROFILE_ID])
|
|
n1kvclient = n1kv_client.Client()
|
|
body = {'name': network['name'],
|
|
'id': network['id'],
|
|
'networkDefinition': profile['name'],
|
|
'vlan': network[providernet.SEGMENTATION_ID],
|
|
'mode': 'access',
|
|
'segmentType': profile['segment_type'],
|
|
'addSegments': [],
|
|
'delSegments': []}
|
|
if network[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_TRUNK:
|
|
self._populate_member_segments(context, network, add_segments,
|
|
n1kv_profile.SEGMENT_ADD)
|
|
self._populate_member_segments(context, network, del_segments,
|
|
n1kv_profile.SEGMENT_DEL)
|
|
body['mode'] = c_const.NETWORK_TYPE_TRUNK
|
|
body['segmentType'] = profile['sub_type']
|
|
body['addSegments'] = network['add_segment_list']
|
|
body['delSegments'] = network['del_segment_list']
|
|
LOG.debug(_('add_segments=%s'), body['addSegments'])
|
|
LOG.debug(_('del_segments=%s'), body['delSegments'])
|
|
if profile['sub_type'] == c_const.NETWORK_TYPE_OVERLAY:
|
|
encap_profile = (network['name'] +
|
|
c_const.ENCAPSULATION_PROFILE_SUFFIX)
|
|
encap_dict = {'name': encap_profile,
|
|
'addMappings': (
|
|
self._get_encap_segments(context,
|
|
add_segments)),
|
|
'delMappings': (
|
|
self._get_encap_segments(context,
|
|
del_segments))}
|
|
n1kvclient.update_encapsulation_profile(context, encap_profile,
|
|
encap_dict)
|
|
n1kvclient.update_network_segment(network['name'], body)
|
|
|
|
def _send_delete_network_request(self, context, network):
|
|
"""
|
|
Send delete network request to VSM.
|
|
|
|
Delete bridge domain if network is of type Overlay.
|
|
Delete encapsulation profile if network is of type OVERLAY Trunk.
|
|
:param context: neutron api request context
|
|
:param network: network dictionary
|
|
"""
|
|
LOG.debug(_('_send_delete_network_request: %s'), network['id'])
|
|
n1kvclient = n1kv_client.Client()
|
|
session = context.session
|
|
if network[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_OVERLAY:
|
|
name = network['name'] + c_const.BRIDGE_DOMAIN_SUFFIX
|
|
n1kvclient.delete_bridge_domain(name)
|
|
elif network[providernet.NETWORK_TYPE] == c_const.NETWORK_TYPE_TRUNK:
|
|
profile = self.get_network_profile(
|
|
context, network[n1kv_profile.PROFILE_ID])
|
|
if profile['sub_type'] == c_const.NETWORK_TYPE_OVERLAY:
|
|
profile_name = (network['name'] +
|
|
c_const.ENCAPSULATION_PROFILE_SUFFIX)
|
|
n1kvclient.delete_encapsulation_profile(profile_name)
|
|
elif (network[providernet.NETWORK_TYPE] ==
|
|
c_const.NETWORK_TYPE_MULTI_SEGMENT):
|
|
encap_dict = n1kv_db_v2.get_multi_segment_encap_dict(session,
|
|
network['id'])
|
|
for profile in encap_dict:
|
|
profile_dict = {'name': profile,
|
|
'addSegments': [],
|
|
'delSegments': []}
|
|
for segment_pair in encap_dict[profile]:
|
|
mapping_dict = {}
|
|
(segment1, segment2) = segment_pair
|
|
self._extend_mapping_dict(context,
|
|
mapping_dict, segment1)
|
|
self._extend_mapping_dict(context,
|
|
mapping_dict, segment2)
|
|
profile_dict['delSegments'].append(mapping_dict)
|
|
n1kvclient.update_encapsulation_profile(context, profile,
|
|
profile_dict)
|
|
n1kvclient.delete_network_segment(network['name'])
|
|
|
|
def _send_create_subnet_request(self, context, subnet):
|
|
"""
|
|
Send create subnet request to VSM.
|
|
|
|
:param context: neutron api request context
|
|
:param subnet: subnet dictionary
|
|
"""
|
|
LOG.debug(_('_send_create_subnet_request: %s'), subnet['id'])
|
|
network = self.get_network(context, subnet['network_id'])
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.create_ip_pool(subnet)
|
|
body = {'ipPoolName': subnet['name']}
|
|
n1kvclient.update_network_segment(network['name'], body=body)
|
|
|
|
def _send_delete_subnet_request(self, context, subnet):
|
|
"""
|
|
Send delete subnet request to VSM.
|
|
|
|
:param context: neutron api request context
|
|
:param subnet: subnet dictionary
|
|
"""
|
|
LOG.debug(_('_send_delete_subnet_request: %s'), subnet['name'])
|
|
network = self.get_network(context, subnet['network_id'])
|
|
body = {'ipPoolName': subnet['name'], 'deleteSubnet': True}
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.update_network_segment(network['name'], body=body)
|
|
n1kvclient.delete_ip_pool(subnet['name'])
|
|
|
|
def _send_create_port_request(self, context, port):
|
|
"""
|
|
Send create port request to VSM.
|
|
|
|
Create a VM network for a network and policy profile combination.
|
|
If the VM network already exists, bind this port to the existing
|
|
VM network and increment its port count.
|
|
:param context: neutron api request context
|
|
:param port: port dictionary
|
|
"""
|
|
LOG.debug(_('_send_create_port_request: %s'), port)
|
|
try:
|
|
vm_network = n1kv_db_v2.get_vm_network(
|
|
context.session,
|
|
port[n1kv_profile.PROFILE_ID],
|
|
port['network_id'])
|
|
except cisco_exceptions.VMNetworkNotFound:
|
|
policy_profile = n1kv_db_v2.get_policy_profile(
|
|
context.session, port[n1kv_profile.PROFILE_ID])
|
|
network = self.get_network(context, port['network_id'])
|
|
vm_network_name = (c_const.VM_NETWORK_NAME_PREFIX +
|
|
str(port[n1kv_profile.PROFILE_ID]) +
|
|
"_" + str(port['network_id']))
|
|
port_count = 1
|
|
n1kv_db_v2.add_vm_network(context.session,
|
|
vm_network_name,
|
|
port[n1kv_profile.PROFILE_ID],
|
|
port['network_id'],
|
|
port_count)
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.create_vm_network(port,
|
|
vm_network_name,
|
|
policy_profile,
|
|
network['name'])
|
|
n1kvclient.create_n1kv_port(port, vm_network_name)
|
|
else:
|
|
vm_network_name = vm_network['name']
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.create_n1kv_port(port, vm_network_name)
|
|
vm_network['port_count'] += 1
|
|
n1kv_db_v2.update_vm_network_port_count(
|
|
context.session, vm_network_name, vm_network['port_count'])
|
|
|
|
def _send_update_port_request(self, port_id, mac_address, vm_network_name):
|
|
"""
|
|
Send update port request to VSM.
|
|
|
|
:param port_id: UUID representing port to update
|
|
:param mac_address: string representing the mac address
|
|
:param vm_network_name: VM network name to which the port is bound
|
|
"""
|
|
LOG.debug(_('_send_update_port_request: %s'), port_id)
|
|
body = {'portId': port_id,
|
|
'macAddress': mac_address}
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.update_n1kv_port(vm_network_name, port_id, body)
|
|
|
|
def _send_delete_port_request(self, context, id):
|
|
"""
|
|
Send delete port request to VSM.
|
|
|
|
Decrement the port count of the VM network after deleting the port.
|
|
If the port count reaches zero, delete the VM network.
|
|
:param context: neutron api request context
|
|
:param id: UUID of the port to be deleted
|
|
"""
|
|
LOG.debug(_('_send_delete_port_request: %s'), id)
|
|
port = self.get_port(context, id)
|
|
vm_network = n1kv_db_v2.get_vm_network(context.session,
|
|
port[n1kv_profile.PROFILE_ID],
|
|
port['network_id'])
|
|
vm_network['port_count'] -= 1
|
|
n1kv_db_v2.update_vm_network_port_count(
|
|
context.session, vm_network['name'], vm_network['port_count'])
|
|
n1kvclient = n1kv_client.Client()
|
|
n1kvclient.delete_n1kv_port(vm_network['name'], id)
|
|
if vm_network['port_count'] == 0:
|
|
n1kv_db_v2.delete_vm_network(context.session,
|
|
port[n1kv_profile.PROFILE_ID],
|
|
port['network_id'])
|
|
n1kvclient.delete_vm_network(vm_network['name'])
|
|
|
|
def _get_segmentation_id(self, context, id):
|
|
"""
|
|
Retreive segmentation ID for a given network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID of the network
|
|
:returns: segmentation ID for the network
|
|
"""
|
|
session = context.session
|
|
binding = n1kv_db_v2.get_network_binding(session, id)
|
|
return binding.segmentation_id
|
|
|
|
def create_network(self, context, network):
|
|
"""
|
|
Create network based on network profile.
|
|
|
|
:param context: neutron api request context
|
|
:param network: network dictionary
|
|
:returns: network object
|
|
"""
|
|
(network_type, physical_network,
|
|
segmentation_id) = self._process_provider_create(context,
|
|
network['network'])
|
|
self._add_dummy_profile_only_if_testing(network)
|
|
profile_id = self._process_network_profile(context, network['network'])
|
|
segment_pairs = None
|
|
LOG.debug(_('Create network: profile_id=%s'), profile_id)
|
|
session = context.session
|
|
with session.begin(subtransactions=True):
|
|
if not network_type:
|
|
# tenant network
|
|
(physical_network, network_type, segmentation_id,
|
|
multicast_ip) = n1kv_db_v2.alloc_network(session,
|
|
profile_id)
|
|
LOG.debug(_('Physical_network %(phy_net)s, '
|
|
'seg_type %(net_type)s, '
|
|
'seg_id %(seg_id)s, '
|
|
'multicast_ip %(multicast_ip)s'),
|
|
{'phy_net': physical_network,
|
|
'net_type': network_type,
|
|
'seg_id': segmentation_id,
|
|
'multicast_ip': multicast_ip})
|
|
if network_type == c_const.NETWORK_TYPE_MULTI_SEGMENT:
|
|
segment_pairs = (
|
|
self._parse_multi_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_ADD))
|
|
LOG.debug(_('Seg list %s '), segment_pairs)
|
|
elif network_type == c_const.NETWORK_TYPE_TRUNK:
|
|
network_profile = self.get_network_profile(context,
|
|
profile_id)
|
|
segment_pairs = (
|
|
self._parse_trunk_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_ADD,
|
|
physical_network,
|
|
network_profile['sub_type']
|
|
))
|
|
LOG.debug(_('Seg list %s '), segment_pairs)
|
|
else:
|
|
if not segmentation_id:
|
|
raise q_exc.TenantNetworksDisabled()
|
|
else:
|
|
# provider network
|
|
if network_type == c_const.NETWORK_TYPE_VLAN:
|
|
network_profile = self.get_network_profile(context,
|
|
profile_id)
|
|
seg_min, seg_max = self._get_segment_range(
|
|
network_profile['segment_range'])
|
|
if not seg_min <= segmentation_id <= seg_max:
|
|
raise cisco_exceptions.VlanIDOutsidePool
|
|
n1kv_db_v2.reserve_specific_vlan(session,
|
|
physical_network,
|
|
segmentation_id)
|
|
multicast_ip = "0.0.0.0"
|
|
net = super(N1kvNeutronPluginV2, self).create_network(context,
|
|
network)
|
|
n1kv_db_v2.add_network_binding(session,
|
|
net['id'],
|
|
network_type,
|
|
physical_network,
|
|
segmentation_id,
|
|
multicast_ip,
|
|
profile_id,
|
|
segment_pairs)
|
|
self._process_l3_create(context, net, network['network'])
|
|
self._extend_network_dict_provider(context, net)
|
|
self._extend_network_dict_profile(context, net)
|
|
|
|
try:
|
|
if network_type == c_const.NETWORK_TYPE_MULTI_SEGMENT:
|
|
self._send_add_multi_segment_request(context, net['id'],
|
|
segment_pairs)
|
|
else:
|
|
self._send_create_network_request(context, net, segment_pairs)
|
|
# note - exception will rollback entire transaction
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
super(N1kvNeutronPluginV2, self).delete_network(context, net['id'])
|
|
else:
|
|
# note - exception will rollback entire transaction
|
|
LOG.debug(_("Created network: %s"), net['id'])
|
|
return net
|
|
|
|
def update_network(self, context, id, network):
|
|
"""
|
|
Update network parameters.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to update
|
|
:returns: updated network object
|
|
"""
|
|
self._check_provider_update(context, network['network'])
|
|
add_segments = []
|
|
del_segments = []
|
|
|
|
session = context.session
|
|
with session.begin(subtransactions=True):
|
|
net = super(N1kvNeutronPluginV2, self).update_network(context, id,
|
|
network)
|
|
self._process_l3_update(context, net, network['network'])
|
|
binding = n1kv_db_v2.get_network_binding(session, id)
|
|
if binding.network_type == c_const.NETWORK_TYPE_MULTI_SEGMENT:
|
|
add_segments = (
|
|
self._parse_multi_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_ADD))
|
|
n1kv_db_v2.add_multi_segment_binding(session,
|
|
net['id'], add_segments)
|
|
del_segments = (
|
|
self._parse_multi_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_DEL))
|
|
self._send_add_multi_segment_request(context, net['id'],
|
|
add_segments)
|
|
self._send_del_multi_segment_request(context, net['id'],
|
|
del_segments)
|
|
n1kv_db_v2.del_multi_segment_binding(session,
|
|
net['id'], del_segments)
|
|
elif binding.network_type == c_const.NETWORK_TYPE_TRUNK:
|
|
network_profile = self.get_network_profile(context,
|
|
binding.profile_id)
|
|
add_segments = (
|
|
self._parse_trunk_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_ADD,
|
|
binding.physical_network,
|
|
network_profile['sub_type']))
|
|
n1kv_db_v2.add_trunk_segment_binding(session,
|
|
net['id'], add_segments)
|
|
del_segments = (
|
|
self._parse_trunk_segments(context, network['network'],
|
|
n1kv_profile.SEGMENT_DEL,
|
|
binding.physical_network,
|
|
network_profile['sub_type']))
|
|
n1kv_db_v2.del_trunk_segment_binding(session,
|
|
net['id'], del_segments)
|
|
self._extend_network_dict_provider(context, net)
|
|
self._extend_network_dict_profile(context, net)
|
|
if binding.network_type not in [c_const.NETWORK_TYPE_MULTI_SEGMENT]:
|
|
self._send_update_network_request(context, net, add_segments,
|
|
del_segments)
|
|
LOG.debug(_("Updated network: %s"), net['id'])
|
|
return net
|
|
|
|
def delete_network(self, context, id):
|
|
"""
|
|
Delete a network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to delete
|
|
"""
|
|
session = context.session
|
|
with session.begin(subtransactions=True):
|
|
binding = n1kv_db_v2.get_network_binding(session, id)
|
|
network = self.get_network(context, id)
|
|
if n1kv_db_v2.is_trunk_member(session, id):
|
|
msg = _("Cannot delete network '%s' "
|
|
"that is member of a trunk segment") % network['name']
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
if n1kv_db_v2.is_multi_segment_member(session, id):
|
|
msg = _("Cannot delete network '%s' that is a member of a "
|
|
"multi-segment network") % network['name']
|
|
raise q_exc.InvalidInput(error_message=msg)
|
|
if self.agent_vsm:
|
|
try:
|
|
self._send_delete_network_request(context, network)
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
LOG.debug(_('Delete failed in VSM'))
|
|
super(N1kvNeutronPluginV2, self).delete_network(context, id)
|
|
if binding.network_type == c_const.NETWORK_TYPE_OVERLAY:
|
|
n1kv_db_v2.release_vxlan(session, binding.segmentation_id,
|
|
self.vxlan_id_ranges)
|
|
elif binding.network_type == c_const.NETWORK_TYPE_VLAN:
|
|
n1kv_db_v2.release_vlan(session, binding.physical_network,
|
|
binding.segmentation_id,
|
|
self.network_vlan_ranges)
|
|
# the network_binding record is deleted via cascade from
|
|
# the network record, so explicit removal is not necessary
|
|
LOG.debug(_("Deleted network: %s"), id)
|
|
|
|
def get_network(self, context, id, fields=None):
|
|
"""
|
|
Retreive a Network.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the network to fetch
|
|
:returns: requested network dictionary
|
|
"""
|
|
LOG.debug(_("Get network: %s"), id)
|
|
net = super(N1kvNeutronPluginV2, self).get_network(context, id, None)
|
|
self._extend_network_dict_provider(context, net)
|
|
self._extend_network_dict_profile(context, net)
|
|
self._extend_network_dict_member_segments(context, net)
|
|
return self._fields(net, fields)
|
|
|
|
def get_networks(self, context, filters=None, fields=None):
|
|
"""
|
|
Retreive a list of networks.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for a
|
|
network object. 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
|
|
:params fields: a list of strings that are valid keys in a network
|
|
dictionary. Only these fields will be returned.
|
|
:returns: list of network dictionaries.
|
|
"""
|
|
LOG.debug(_("Get networks"))
|
|
nets = super(N1kvNeutronPluginV2, self).get_networks(context, filters,
|
|
None)
|
|
for net in nets:
|
|
self._extend_network_dict_provider(context, net)
|
|
self._extend_network_dict_profile(context, net)
|
|
|
|
return [self._fields(net, fields) for net in nets]
|
|
|
|
def create_port(self, context, port):
|
|
"""
|
|
Create neutron port.
|
|
|
|
Create a port. Use a default policy profile for ports created for dhcp
|
|
and router interface. Default policy profile name is configured in the
|
|
/etc/neutron/cisco_plugins.ini file.
|
|
|
|
:param context: neutron api request context
|
|
:param port: port dictionary
|
|
:returns: port object
|
|
"""
|
|
self._add_dummy_profile_only_if_testing(port)
|
|
|
|
if ('device_id' in port['port'] and port['port']['device_owner'] in
|
|
['network:dhcp', 'network:router_interface']):
|
|
p_profile_name = c_conf.CISCO_N1K.network_node_policy_profile
|
|
p_profile = self._get_policy_profile_by_name(p_profile_name)
|
|
if p_profile:
|
|
port['port']['n1kv:profile_id'] = p_profile['id']
|
|
|
|
profile_id_set = False
|
|
if n1kv_profile.PROFILE_ID in port['port']:
|
|
profile_id = port['port'].get(n1kv_profile.PROFILE_ID)
|
|
profile_id_set = attributes.is_attr_set(profile_id)
|
|
|
|
if not profile_id_set:
|
|
p_profile_name = c_conf.CISCO_N1K.default_policy_profile
|
|
p_profile = self._get_policy_profile_by_name(p_profile_name)
|
|
if p_profile:
|
|
port['port']['n1kv:profile_id'] = p_profile['id']
|
|
profile_id_set = True
|
|
|
|
if profile_id_set:
|
|
profile_id = self._process_policy_profile(context,
|
|
port['port'])
|
|
LOG.debug(_('Create port: profile_id=%s'), profile_id)
|
|
session = context.session
|
|
with session.begin(subtransactions=True):
|
|
pt = super(N1kvNeutronPluginV2, self).create_port(context,
|
|
port)
|
|
n1kv_db_v2.add_port_binding(session, pt['id'], profile_id)
|
|
self._extend_port_dict_profile(context, pt)
|
|
try:
|
|
self._send_create_port_request(context, pt)
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
super(N1kvNeutronPluginV2, self).delete_port(context, pt['id'])
|
|
else:
|
|
LOG.debug(_("Created port: %s"), pt)
|
|
return pt
|
|
|
|
def _add_dummy_profile_only_if_testing(self, obj):
|
|
"""
|
|
Method to be patched by the test_n1kv_plugin module to
|
|
inject n1kv:profile_id into the network/port object, since the plugin
|
|
tests for its existence. This method does not affect
|
|
the plugin code in any way.
|
|
"""
|
|
pass
|
|
|
|
def update_port(self, context, id, port):
|
|
"""
|
|
Update port parameters.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to update
|
|
:returns: updated port object
|
|
"""
|
|
LOG.debug(_("Update port: %s"), id)
|
|
if self.agent_vsm:
|
|
super(N1kvNeutronPluginV2, self).get_port(context, id)
|
|
port = super(N1kvNeutronPluginV2, self).update_port(context, id, port)
|
|
self._extend_port_dict_profile(context, port)
|
|
return port
|
|
|
|
def delete_port(self, context, id):
|
|
"""
|
|
Delete a port.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to delete
|
|
:returns: deleted port object
|
|
"""
|
|
self._send_delete_port_request(context, id)
|
|
return super(N1kvNeutronPluginV2, self).delete_port(context, id)
|
|
|
|
def get_port(self, context, id, fields=None):
|
|
"""
|
|
Retrieve a port.
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to retrieve
|
|
:param fields: a list of strings that are valid keys in a port
|
|
dictionary. Only these fields will be returned.
|
|
:returns: port dictionary
|
|
"""
|
|
LOG.debug(_("Get port: %s"), id)
|
|
port = super(N1kvNeutronPluginV2, self).get_port(context, id, fields)
|
|
self._extend_port_dict_profile(context, port)
|
|
return self._fields(port, fields)
|
|
|
|
def get_ports(self, context, filters=None, fields=None):
|
|
"""
|
|
Retrieve a list of ports.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for a
|
|
port object. 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
|
|
:params fields: a list of strings that are valid keys in a port
|
|
dictionary. Only these fields will be returned.
|
|
:returns: list of port dictionaries
|
|
"""
|
|
LOG.debug(_("Get ports"))
|
|
ports = super(N1kvNeutronPluginV2, self).get_ports(context, filters,
|
|
fields)
|
|
for port in ports:
|
|
self._extend_port_dict_profile(context, port)
|
|
|
|
return [self._fields(port, fields) for port in ports]
|
|
|
|
def create_subnet(self, context, subnet):
|
|
"""
|
|
Create subnet for a given network.
|
|
|
|
:param context: neutron api request context
|
|
:param subnet: subnet dictionary
|
|
:returns: subnet object
|
|
"""
|
|
LOG.debug(_('Create subnet'))
|
|
sub = super(N1kvNeutronPluginV2, self).create_subnet(context, subnet)
|
|
try:
|
|
self._send_create_subnet_request(context, sub)
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
super(N1kvNeutronPluginV2, self).delete_subnet(context, sub['id'])
|
|
else:
|
|
LOG.debug(_("Created subnet: %s"), sub['id'])
|
|
return sub
|
|
|
|
def update_subnet(self, context, id, subnet):
|
|
"""
|
|
Update a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing subnet to update
|
|
:returns: updated subnet object
|
|
"""
|
|
LOG.debug(_('Update subnet'))
|
|
sub = super(N1kvNeutronPluginV2, self).update_subnet(context,
|
|
id,
|
|
subnet)
|
|
return sub
|
|
|
|
def delete_subnet(self, context, id):
|
|
"""
|
|
Delete a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing subnet to delete
|
|
:returns: deleted subnet object
|
|
"""
|
|
LOG.debug(_('Delete subnet: %s'), id)
|
|
subnet = self.get_subnet(context, id)
|
|
self._send_delete_subnet_request(context, subnet)
|
|
return super(N1kvNeutronPluginV2, self).delete_subnet(context, id)
|
|
|
|
def get_subnet(self, context, id, fields=None):
|
|
"""
|
|
Retrieve a subnet.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing subnet to retrieve
|
|
:params fields: a list of strings that are valid keys in a subnet
|
|
dictionary. Only these fields will be returned.
|
|
:returns: subnet object
|
|
"""
|
|
LOG.debug(_("Get subnet: %s"), id)
|
|
subnet = super(N1kvNeutronPluginV2, self).get_subnet(context, id,
|
|
fields)
|
|
return self._fields(subnet, fields)
|
|
|
|
def get_subnets(self, context, filters=None, fields=None):
|
|
"""
|
|
Retrieve a list of subnets.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for a
|
|
subnet object. 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
|
|
:params fields: a list of strings that are valid keys in a subnet
|
|
dictionary. Only these fields will be returned.
|
|
:returns: list of dictionaries of subnets
|
|
"""
|
|
LOG.debug(_("Get subnets"))
|
|
subnets = super(N1kvNeutronPluginV2, self).get_subnets(context,
|
|
filters,
|
|
fields)
|
|
return [self._fields(subnet, fields) for subnet in subnets]
|
|
|
|
def create_network_profile(self, context, network_profile):
|
|
"""
|
|
Create a network profile.
|
|
|
|
Create a network profile, which represents a pool of networks
|
|
belonging to one type (VLAN or Overlay). On creation of network
|
|
profile, we retrieve the admin tenant-id which we use to replace
|
|
the previously stored fake tenant-id in tenant-profile bindings.
|
|
:param context: neutron api request context
|
|
:param network_profile: network profile dictionary
|
|
:returns: network profile object
|
|
"""
|
|
self._replace_fake_tenant_id_with_real(context)
|
|
_network_profile = super(
|
|
N1kvNeutronPluginV2, self).create_network_profile(context,
|
|
network_profile)
|
|
if _network_profile['segment_type'] in [c_const.NETWORK_TYPE_VLAN,
|
|
c_const.NETWORK_TYPE_OVERLAY]:
|
|
seg_min, seg_max = self._get_segment_range(
|
|
_network_profile['segment_range'])
|
|
if _network_profile['segment_type'] == c_const.NETWORK_TYPE_VLAN:
|
|
self._add_network_vlan_range(
|
|
_network_profile['physical_network'], int(seg_min),
|
|
int(seg_max))
|
|
n1kv_db_v2.sync_vlan_allocations(context.session,
|
|
self.network_vlan_ranges)
|
|
else:
|
|
self.vxlan_id_ranges = [(int(seg_min), int(seg_max))]
|
|
n1kv_db_v2.sync_vxlan_allocations(context.session,
|
|
self.vxlan_id_ranges)
|
|
try:
|
|
self._send_create_logical_network_request(_network_profile)
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
super(N1kvNeutronPluginV2, self).delete_network_profile(
|
|
context, _network_profile['id'])
|
|
try:
|
|
self._send_create_network_profile_request(context,
|
|
_network_profile)
|
|
except(cisco_exceptions.VSMError,
|
|
cisco_exceptions.VSMConnectionFailed):
|
|
self._send_delete_logical_network_request(_network_profile)
|
|
super(N1kvNeutronPluginV2, self).delete_network_profile(
|
|
context, _network_profile['id'])
|
|
else:
|
|
return _network_profile
|
|
|
|
def delete_network_profile(self, context, id):
|
|
"""
|
|
Delete a network profile.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID of the network profile to delete
|
|
:returns: deleted network profile object
|
|
"""
|
|
_network_profile = super(
|
|
N1kvNeutronPluginV2, self).delete_network_profile(context, id)
|
|
seg_min, seg_max = self._get_segment_range(
|
|
_network_profile['segment_range'])
|
|
if _network_profile['segment_type'] == c_const.NETWORK_TYPE_VLAN:
|
|
self._add_network_vlan_range(_network_profile['physical_network'],
|
|
int(seg_min),
|
|
int(seg_max))
|
|
n1kv_db_v2.delete_vlan_allocations(context.session,
|
|
self.network_vlan_ranges)
|
|
elif _network_profile['segment_type'] == c_const.NETWORK_TYPE_OVERLAY:
|
|
self.delete_vxlan_ranges = []
|
|
self.delete_vxlan_ranges.append((int(seg_min), int(seg_max)))
|
|
n1kv_db_v2.delete_vxlan_allocations(context.session,
|
|
self.delete_vxlan_ranges)
|
|
self._send_delete_network_profile_request(_network_profile)
|