A set of Neutron drivers for the VMware NSX.
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# Copyright 2016 VMware, Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from oslo_config import cfg
from neutron.db import db_base_plugin_v2
from neutron.db import l3_dvr_db # noqa
from neutron import manager
from neutron_lib import context
from neutron_lib.plugins import constants as const
from neutron_lib.plugins import directory
from vmware_nsx.common import config
from vmware_nsx.db import db as nsx_db
from vmware_nsx.extensions import projectpluginmap
from vmware_nsx.plugins.common_v3 import utils as v3_utils
from vmware_nsx.plugins.nsx_v3 import plugin
from vmware_nsx.services.fwaas.nsx_v3 import fwaas_callbacks_v2
from vmware_nsx.shell.admin.plugins.common import utils as admin_utils
from vmware_nsxlib.v3 import nsx_constants
_NSXLIB = None
def get_nsxv3_client(nsx_username=None, nsx_password=None,
use_basic_auth=False,
plugin_conf=None):
return get_connected_nsxlib(nsx_username,
nsx_password,
use_basic_auth,
plugin_conf).client
def reset_global_nsxlib():
global _NSXLIB
_NSXLIB = None
def get_connected_nsxlib(nsx_username=None, nsx_password=None,
use_basic_auth=False,
plugin_conf=None,
allow_overwrite_header=False,
retriable_exceptions=None,
verbose=False):
global _NSXLIB
if not verbose:
# Suppress logs for nsxlib init
logging.disable(logging.INFO)
# for non-default arguments, initiate new lib
if nsx_username or use_basic_auth:
if not verbose:
# Return logs to normal
logging.disable(logging.NOTSET)
return v3_utils.get_nsxlib_wrapper(
nsx_username, nsx_password, use_basic_auth,
plugin_conf=plugin_conf,
retriable_exceptions=retriable_exceptions,
allow_overwrite_header=allow_overwrite_header)
if _NSXLIB is None:
_NSXLIB = v3_utils.get_nsxlib_wrapper(
plugin_conf=plugin_conf,
allow_overwrite_header=allow_overwrite_header,
retriable_exceptions=retriable_exceptions)
if not verbose:
# Return logs to normal
logging.disable(logging.NOTSET)
return _NSXLIB
def get_plugin_filters(ctx):
return admin_utils.get_plugin_filters(
ctx, projectpluginmap.NsxPlugins.NSX_T)
class NeutronDbClient(db_base_plugin_v2.NeutronDbPluginV2):
def __init__(self):
super(NeutronDbClient, self).__init__()
self.context = context.get_admin_context()
self.filters = get_plugin_filters(self.context)
def _update_filters(self, requested_filters):
filters = self.filters.copy()
if requested_filters:
filters.update(requested_filters)
return filters
def get_ports(self, filters=None, fields=None):
filters = self._update_filters(filters)
return super(NeutronDbClient, self).get_ports(
self.context, filters=filters, fields=fields)
def get_networks(self, filters=None, fields=None):
filters = self._update_filters(filters)
return super(NeutronDbClient, self).get_networks(
self.context, filters=filters, fields=fields)
def get_network(self, ctx, network_id):
if not ctx:
ctx = self.context
return super(NeutronDbClient, self).get_network(ctx, network_id)
def get_subnet(self, ctx, subnet_id):
if not ctx:
ctx = self.context
return super(NeutronDbClient, self).get_subnet(ctx, subnet_id)
def get_lswitch_and_lport_id(self, port_id):
return nsx_db.get_nsx_switch_and_port_id(self.context.session, port_id)
def net_id_to_lswitch_id(self, net_id):
lswitch_ids = nsx_db.get_nsx_switch_ids(self.context.session, net_id)
return lswitch_ids[0] if lswitch_ids else None
def add_dhcp_service_binding(self, network_id, port_id, server_id):
return nsx_db.add_neutron_nsx_service_binding(
self.context.session, network_id, port_id,
nsx_constants.SERVICE_DHCP, server_id)
def add_dhcp_static_binding(self, port_id, subnet_id, ip_address,
server_id, binding_id):
return nsx_db.add_neutron_nsx_dhcp_binding(
self.context.session, port_id, subnet_id, ip_address, server_id,
binding_id)
class NsxV3PluginWrapper(plugin.NsxV3Plugin):
def __init__(self, verbose=False):
if not verbose:
# Suppress logs for plugin init
logging.disable(logging.INFO)
# initialize the availability zones
config.register_nsxv3_azs(cfg.CONF, cfg.CONF.nsx_v3.availability_zones)
super(NsxV3PluginWrapper, self).__init__()
self.context = context.get_admin_context()
admin_utils._init_plugin_mock_quota()
if not verbose:
# Return logs to normal
logging.disable(logging.NOTSET)
def __enter__(self):
directory.add_plugin(const.CORE, self)
return self
def __exit__(self, exc_type, exc_value, traceback):
directory.add_plugin(const.CORE, None)
def _cleanup_duplicates(self, ns_group_id, section_id):
# Do not remove DFW sections during dummy plugin initialization
pass
def _init_fwaas_plugin(self, provider, callbacks_class, plugin_callbacks):
fwaas_plugin_class = manager.NeutronManager.load_class_for_provider(
'neutron.service_plugins', provider)
fwaas_plugin = fwaas_plugin_class()
self.fwaas_callbacks = callbacks_class(False)
# override the fwplugin_rpc since there is no RPC support in adminutils
if plugin_callbacks:
self.fwaas_callbacks.fwplugin_rpc = plugin_callbacks(fwaas_plugin)
self.init_is_complete = True
def init_fwaas_for_admin_utils(self):
# initialize the FWaaS plugin and callbacks
self.fwaas_callbacks = None
# This is an ugly patch to find out if it is v1 or v2
service_plugins = cfg.CONF.service_plugins
for srv_plugin in service_plugins:
if 'firewall' in srv_plugin or 'fwaas' in srv_plugin:
if 'v2' in srv_plugin:
# FWaaS V2
self._init_fwaas_plugin(
'firewall_v2',
fwaas_callbacks_v2.Nsxv3FwaasCallbacksV2,
None)
return
def _init_dhcp_metadata(self):
pass
def _extend_get_network_dict_provider(self, ctx, net):
self._extend_network_dict_provider(ctx, net)
# skip getting the Qos policy ID because get_object calls
# plugin init again on admin-util environment
def _extend_get_port_dict_binding(self, ctx, port):
self._extend_port_dict_binding(ctx, port)
# skip getting the Qos policy ID because get_object calls
# plugin init again on admin-util environment
def delete_network(self, ctx, network_id):
if not ctx:
ctx = self.context
return super(NsxV3PluginWrapper, self).delete_network(
ctx, network_id)
def remove_router_interface(self, ctx, router_id, interface):
if not ctx:
ctx = self.context
return super(NsxV3PluginWrapper, self).remove_router_interface(
ctx, router_id, interface)