4252b617ed
If a host in the cluster is down we should still configure the network. That is, the VC will configure it on the hosts that are up. Change-Id: I8498c92d5e4f81ba5c03631a3edc9631858f22c1
498 lines
23 KiB
Python
498 lines
23 KiB
Python
# Copyright 2012 VMware, Inc.
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# All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import uuid
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from neutron_lib.api.definitions import allowedaddresspairs as addr_apidef
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from neutron_lib.api.definitions import port as port_def
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from neutron_lib.api.definitions import port_security as psec
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from neutron_lib.exceptions import allowedaddresspairs as addr_exc
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from neutron_lib.exceptions import port_security as psec_exc
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from oslo_log import log as logging
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from oslo_utils import excutils
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from neutron.api import extensions as neutron_extensions
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from neutron.db import _resource_extend as resource_extend
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from neutron.db import _utils as db_utils
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from neutron.db import agentschedulers_db
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from neutron.db import allowedaddresspairs_db as addr_pair_db
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from neutron.db import api as db_api
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from neutron.db import dns_db
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from neutron.db import external_net_db
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from neutron.db import l3_db
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from neutron.db.models import securitygroup as securitygroup_model # noqa
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from neutron.db import models_v2
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from neutron.db import portbindings_db
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from neutron.db import portsecurity_db
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from neutron.db import securitygroups_db
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from neutron.db import vlantransparent_db as vlan_ext_db
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from neutron.extensions import multiprovidernet as mpnet
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from neutron.extensions import providernet
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from neutron.extensions import securitygroup as ext_sg
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from neutron.extensions import vlantransparent as vlan_ext
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from neutron.plugins.common import utils
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from neutron.quota import resource_registry
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from neutron_lib.api.definitions import portbindings as pbin
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from neutron_lib.api.definitions import provider_net as pnet
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from neutron_lib.api import validators
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from neutron_lib import constants
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from neutron_lib import exceptions as n_exc
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import vmware_nsx
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from vmware_nsx._i18n import _
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from vmware_nsx.common import config # noqa
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from vmware_nsx.common import managers as nsx_managers
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from vmware_nsx.common import nsx_constants
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from vmware_nsx.common import utils as c_utils
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from vmware_nsx.db import db as nsx_db
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from vmware_nsx.db import nsxv_db
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from vmware_nsx.dhcp_meta import modes as dhcpmeta_modes
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from vmware_nsx.dvs import dvs
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from vmware_nsx.dvs import dvs_utils
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from vmware_nsx.plugins.common import plugin as nsx_plugin_common
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LOG = logging.getLogger(__name__)
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@resource_extend.has_resource_extenders
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class NsxDvsV2(addr_pair_db.AllowedAddressPairsMixin,
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agentschedulers_db.DhcpAgentSchedulerDbMixin,
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nsx_plugin_common.NsxPluginBase,
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dhcpmeta_modes.DhcpMetadataAccess,
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external_net_db.External_net_db_mixin,
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l3_db.L3_NAT_dbonly_mixin,
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portbindings_db.PortBindingMixin,
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portsecurity_db.PortSecurityDbMixin,
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securitygroups_db.SecurityGroupDbMixin,
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dns_db.DNSDbMixin,
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vlan_ext_db.Vlantransparent_db_mixin):
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supported_extension_aliases = ["allowed-address-pairs",
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"binding",
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"external-net",
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"multi-provider",
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"port-security",
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"provider",
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"quotas",
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"router",
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"security-group",
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"vlan-transparent"]
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__native_bulk_support = True
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__native_pagination_support = True
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__native_sorting_support = True
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@resource_registry.tracked_resources(
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network=models_v2.Network,
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port=models_v2.Port,
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subnet=models_v2.Subnet,
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subnetpool=models_v2.SubnetPool,
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security_group=securitygroup_model.SecurityGroup,
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security_group_rule=securitygroup_model.SecurityGroupRule)
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def __init__(self):
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dvs_utils.dvs_register_exceptions()
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self._extension_manager = nsx_managers.ExtensionManager()
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super(NsxDvsV2, self).__init__()
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LOG.debug('Driver support: DVS: %s' % dvs_utils.dvs_is_enabled())
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self._extension_manager.initialize()
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self.supported_extension_aliases.extend(
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self._extension_manager.extension_aliases())
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neutron_extensions.append_api_extensions_path(
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[vmware_nsx.NSX_EXT_PATH])
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self.cfg_group = 'dvs' # group name for dvs section in nsx.ini
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self._dvs = dvs.SingleDvsManager()
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self.setup_dhcpmeta_access()
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@staticmethod
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@resource_extend.extends([port_def.COLLECTION_NAME])
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def _extend_port_dict_binding(result, portdb):
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result[pbin.VIF_TYPE] = nsx_constants.VIF_TYPE_DVS
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port_attr = portdb.get('nsx_port_attributes')
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if port_attr:
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result[pbin.VNIC_TYPE] = port_attr.vnic_type
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else:
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result[pbin.VNIC_TYPE] = pbin.VNIC_NORMAL
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result[pbin.VIF_DETAILS] = {
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# TODO(rkukura): Replace with new VIF security details
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# security-groups extension supported by this plugin
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pbin.CAP_PORT_FILTER: True}
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def _extend_network_dict_provider(self, context, network,
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multiprovider=None, bindings=None):
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if not bindings:
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bindings = nsx_db.get_network_bindings(context.session,
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network['id'])
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if not multiprovider:
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multiprovider = nsx_db.is_multiprovider_network(context.session,
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network['id'])
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# With NSX plugin 'normal' overlay networks will have no binding
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# TODO(salvatore-orlando) make sure users can specify a distinct
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# phy_uuid as 'provider network' for STT net type
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if bindings:
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if not multiprovider:
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# network came in through provider networks api
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network[pnet.NETWORK_TYPE] = bindings[0].binding_type
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network[pnet.PHYSICAL_NETWORK] = bindings[0].phy_uuid
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network[pnet.SEGMENTATION_ID] = bindings[0].vlan_id
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else:
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# network come in though multiprovider networks api
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network[mpnet.SEGMENTS] = [
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{pnet.NETWORK_TYPE: binding.binding_type,
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pnet.PHYSICAL_NETWORK: binding.phy_uuid,
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pnet.SEGMENTATION_ID: binding.vlan_id}
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for binding in bindings]
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def _dvs_get_id(self, net_data):
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if net_data['name'] == '':
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return net_data['id']
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else:
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# Maximum name length is 80 characters. 'id' length is 36
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# maximum prefix for name is 43
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return '%s-%s' % (net_data['name'][:43], net_data['id'])
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def _dvs_create_network(self, context, network):
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net_data = network['network']
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if net_data['admin_state_up'] is False:
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LOG.warning("Network with admin_state_up=False are not yet "
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"supported by this plugin. Ignoring setting for "
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"network %s", net_data.get('name', '<unknown>'))
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net_data['id'] = str(uuid.uuid4())
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vlan_tag = 0
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if net_data.get(pnet.NETWORK_TYPE) == c_utils.NetworkTypes.VLAN:
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vlan_tag = net_data.get(pnet.SEGMENTATION_ID, 0)
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trunk_mode = False
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# vlan transparent can be an object if not set.
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if net_data.get(vlan_ext.VLANTRANSPARENT) is True:
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trunk_mode = True
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net_id = None
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if net_data.get(pnet.NETWORK_TYPE) == c_utils.NetworkTypes.PORTGROUP:
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net_id = net_data.get(pnet.PHYSICAL_NETWORK)
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pg_info = self._dvs.get_port_group_info(net_id)
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if pg_info.get('name') != net_data.get('name'):
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err_msg = (_("Portgroup name %(dvpg)s must match network "
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"name %(network)s") % {'dvpg': pg_info.get('name'),
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'network': net_data.get('name')})
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raise n_exc.InvalidInput(error_message=err_msg)
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dvpg_moref = self._dvs.net_id_to_moref(net_id)
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dvs_id = dvpg_moref.value
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else:
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dvs_id = self._dvs_get_id(net_data)
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try:
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self._dvs.add_port_group(dvs_id, vlan_tag,
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trunk_mode=trunk_mode)
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except dvs_utils.DvsOperationBulkFault:
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LOG.warning('One or more hosts may not be configured')
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try:
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with db_api.context_manager.writer.using(context):
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new_net = super(NsxDvsV2, self).create_network(context,
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network)
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self._extension_manager.process_create_network(
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context, net_data, new_net)
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# Process port security extension
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self._process_network_port_security_create(
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context, net_data, new_net)
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# Process vlan transparent extension
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net_db = self._get_network(context, new_net['id'])
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net_db['vlan_transparent'] = trunk_mode
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net_data['vlan_transparent'] = trunk_mode
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resource_extend.apply_funcs('networks', net_data, net_db)
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nsx_db.add_network_binding(
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context.session, new_net['id'],
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net_data.get(pnet.NETWORK_TYPE),
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net_id or 'dvs',
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vlan_tag)
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.exception('Failed to create network')
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if (net_data.get(pnet.NETWORK_TYPE) !=
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c_utils.NetworkTypes.PORTGROUP):
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self._dvs.delete_port_group(dvs_id)
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new_net[pnet.NETWORK_TYPE] = net_data.get(pnet.NETWORK_TYPE)
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new_net[pnet.PHYSICAL_NETWORK] = net_id or 'dvs'
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new_net[pnet.SEGMENTATION_ID] = vlan_tag
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# this extra lookup is necessary to get the
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# latest db model for the extension functions
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net_model = self._get_network(context, net_data['id'])
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resource_extend.apply_funcs('networks', new_net, net_model)
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self.handle_network_dhcp_access(context, new_net,
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action='create_network')
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return new_net
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def _validate_network(self, context, net_data):
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network_type = net_data.get(pnet.NETWORK_TYPE)
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segmentation_id = net_data.get(pnet.SEGMENTATION_ID)
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segmentation_id_set = validators.is_attr_set(segmentation_id)
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if not context.is_admin:
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err_msg = _("Only an admin can create a DVS provider "
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"network")
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raise n_exc.InvalidInput(error_message=err_msg)
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err_msg = None
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if (network_type == c_utils.NetworkTypes.FLAT or
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network_type == c_utils.NetworkTypes.PORTGROUP):
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if segmentation_id_set:
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err_msg = (_("Segmentation ID cannot be specified with "
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"%s network type"), network_type)
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elif network_type == c_utils.NetworkTypes.VLAN:
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if not segmentation_id_set:
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err_msg = _("Segmentation ID must be specified with "
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"vlan network type")
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if (segmentation_id_set and
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not utils.is_valid_vlan_tag(segmentation_id)):
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err_msg = (_("%(segmentation_id)s out of range "
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"(%(min_id)s through %(max_id)s)") %
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{'segmentation_id': segmentation_id,
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'min_id': constants.MIN_VLAN_TAG,
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'max_id': constants.MAX_VLAN_TAG})
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else:
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err_msg = (_("%(net_type_param)s %(net_type_value)s not "
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"supported") %
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{'net_type_param': pnet.NETWORK_TYPE,
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'net_type_value': network_type})
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if err_msg:
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raise n_exc.InvalidInput(error_message=err_msg)
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def create_network(self, context, network):
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self._validate_network(context, network['network'])
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return self._dvs_create_network(context, network)
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def _dvs_delete_network(self, context, id):
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network = self._get_network(context, id)
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dvs_id = self._dvs_get_id(network)
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bindings = nsx_db.get_network_bindings(context.session, id)
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with db_api.context_manager.writer.using(context):
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nsx_db.delete_network_bindings(context.session, id)
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super(NsxDvsV2, self).delete_network(context, id)
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try:
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if (not bindings or
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bindings[0].binding_type != c_utils.NetworkTypes.PORTGROUP):
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self._dvs.delete_port_group(dvs_id)
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except Exception:
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LOG.exception('Unable to delete DVS port group %s', id)
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self.handle_network_dhcp_access(context, id, action='delete_network')
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def delete_network(self, context, id):
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self._dvs_delete_network(context, id)
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def _dvs_get_network(self, context, id, fields=None):
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with db_api.context_manager.reader.using(context):
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# goto to the plugin DB and fetch the network
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network = self._get_network(context, id)
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# Don't do field selection here otherwise we won't be able
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# to add provider networks fields
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net_result = self._make_network_dict(network,
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context=context)
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self._extend_network_dict_provider(context, net_result)
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return db_utils.resource_fields(net_result, fields)
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def get_network(self, context, id, fields=None):
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return self._dvs_get_network(context, id, fields=None)
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def get_networks(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None,
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page_reverse=False):
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filters = filters or {}
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with db_api.context_manager.reader.using(context):
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networks = (
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super(NsxDvsV2, self).get_networks(
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context, filters, fields, sorts,
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limit, marker, page_reverse))
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for net in networks:
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self._extend_network_dict_provider(context, net)
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return (networks if not fields else
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[db_utils.resource_fields(network,
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fields) for network in networks])
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def update_network(self, context, id, network):
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net_attrs = network['network']
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providernet._raise_if_updates_provider_attributes(net_attrs)
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with db_api.context_manager.writer.using(context):
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net_res = super(NsxDvsV2, self).update_network(context, id,
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network)
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self._extension_manager.process_update_network(context, net_attrs,
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net_res)
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# Process port security extension
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self._process_network_port_security_update(
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context, net_attrs, net_res)
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self._extend_network_dict_provider(context, net_res)
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return net_res
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def _process_vnic_type(self, context, port_data, port_id):
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vnic_type = port_data.get(pbin.VNIC_TYPE)
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if validators.is_attr_set(vnic_type):
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if (vnic_type != pbin.VNIC_NORMAL and
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vnic_type != pbin.VNIC_DIRECT and
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vnic_type != pbin.VNIC_DIRECT_PHYSICAL):
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err_msg = _("Only direct, direct-physical and normal VNIC "
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"types supported")
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raise n_exc.InvalidInput(error_message=err_msg)
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nsxv_db.update_nsxv_port_ext_attributes(
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session=context.session,
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port_id=port_id,
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vnic_type=vnic_type)
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def create_port(self, context, port):
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# If PORTSECURITY is not the default value ATTR_NOT_SPECIFIED
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# then we pass the port to the policy engine. The reason why we don't
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# pass the value to the policy engine when the port is
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# ATTR_NOT_SPECIFIED is for the case where a port is created on a
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# shared network that is not owned by the tenant.
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port_data = port['port']
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with db_api.context_manager.writer.using(context):
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# First we allocate port in neutron database
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neutron_db = super(NsxDvsV2, self).create_port(context, port)
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self._extension_manager.process_create_port(
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context, port_data, neutron_db)
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port_security = self._get_network_security_binding(
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context, neutron_db['network_id'])
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port_data[psec.PORTSECURITY] = port_security
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self._process_port_port_security_create(
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context, port_data, neutron_db)
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# Update fields obtained from neutron db (eg: MAC address)
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port["port"].update(neutron_db)
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has_ip = self._ip_on_port(neutron_db)
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# security group extension checks
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if has_ip:
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self._ensure_default_security_group_on_port(context, port)
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elif validators.is_attr_set(port_data.get(ext_sg.SECURITYGROUPS)):
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raise psec_exc.PortSecurityAndIPRequiredForSecurityGroups()
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port_data[ext_sg.SECURITYGROUPS] = (
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self._get_security_groups_on_port(context, port))
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self._process_port_create_security_group(
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context, port_data, port_data[ext_sg.SECURITYGROUPS])
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self._process_portbindings_create_and_update(context,
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port['port'],
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port_data)
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# allowed address pair checks
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if validators.is_attr_set(port_data.get(
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addr_apidef.ADDRESS_PAIRS)):
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if not port_security:
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raise addr_exc.AddressPairAndPortSecurityRequired()
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else:
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self._process_create_allowed_address_pairs(
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context, neutron_db,
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port_data[addr_apidef.ADDRESS_PAIRS])
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else:
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# remove ATTR_NOT_SPECIFIED
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port_data[addr_apidef.ADDRESS_PAIRS] = []
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self._process_portbindings_create_and_update(context,
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port['port'],
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port_data)
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self._process_vnic_type(context, port_data, neutron_db['id'])
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LOG.debug("create_port completed on NSX for tenant "
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"%(tenant_id)s: (%(id)s)", port_data)
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# DB Operation is complete, perform DVS operation
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port_data = port['port']
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# this extra lookup is necessary to get the
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# latest db model for the extension functions
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port_model = self._get_port(context, port_data['id'])
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resource_extend.apply_funcs('ports', port_data, port_model)
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self.handle_port_dhcp_access(context, port_data, action='create_port')
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return port_data
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def update_port(self, context, id, port):
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delete_addr_pairs = self._check_update_deletes_allowed_address_pairs(
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port)
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has_addr_pairs = self._check_update_has_allowed_address_pairs(port)
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with db_api.context_manager.writer.using(context):
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ret_port = super(NsxDvsV2, self).update_port(
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context, id, port)
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|
# Save current mac learning state to check whether it's
|
|
# being updated or not
|
|
# copy values over - except fixed_ips as
|
|
# they've already been processed
|
|
port['port'].pop('fixed_ips', None)
|
|
ret_port.update(port['port'])
|
|
|
|
# populate port_security setting
|
|
if psec.PORTSECURITY not in port['port']:
|
|
ret_port[psec.PORTSECURITY] = self._get_port_security_binding(
|
|
context, id)
|
|
# validate port security and allowed address pairs
|
|
if not ret_port[psec.PORTSECURITY]:
|
|
# has address pairs in request
|
|
if has_addr_pairs:
|
|
raise addr_exc.AddressPairAndPortSecurityRequired()
|
|
elif not delete_addr_pairs:
|
|
# check if address pairs are in db
|
|
ret_port[addr_apidef.ADDRESS_PAIRS] = (
|
|
self.get_allowed_address_pairs(context, id))
|
|
if ret_port[addr_apidef.ADDRESS_PAIRS]:
|
|
raise addr_exc.AddressPairAndPortSecurityRequired()
|
|
|
|
if delete_addr_pairs or has_addr_pairs:
|
|
# delete address pairs and read them in
|
|
self._delete_allowed_address_pairs(context, id)
|
|
self._process_create_allowed_address_pairs(
|
|
context, ret_port, ret_port[addr_apidef.ADDRESS_PAIRS])
|
|
|
|
if psec.PORTSECURITY in port['port']:
|
|
self._process_port_port_security_update(
|
|
context, port['port'], ret_port)
|
|
self._process_vnic_type(context, port['port'], id)
|
|
LOG.debug("Updating port: %s", port)
|
|
self._extension_manager.process_update_port(
|
|
context, port['port'], ret_port)
|
|
self._process_portbindings_create_and_update(context,
|
|
port['port'],
|
|
ret_port)
|
|
return ret_port
|
|
|
|
def delete_port(self, context, id, l3_port_check=True,
|
|
nw_gw_port_check=True):
|
|
"""Deletes a port on a specified Virtual Network.
|
|
|
|
If the port contains a remote interface attachment, the remote
|
|
interface is first un-plugged and then the port is deleted.
|
|
|
|
:returns: None
|
|
:raises: exception.PortInUse
|
|
:raises: exception.PortNotFound
|
|
:raises: exception.NetworkNotFound
|
|
"""
|
|
neutron_db_port = self.get_port(context, id)
|
|
|
|
with db_api.context_manager.writer.using(context):
|
|
# metadata_dhcp_host_route
|
|
self.handle_port_metadata_access(
|
|
context, neutron_db_port, is_delete=True)
|
|
super(NsxDvsV2, self).delete_port(context, id)
|
|
self.handle_port_dhcp_access(
|
|
context, neutron_db_port, action='delete_port')
|
|
|
|
def create_router(self, context, router):
|
|
# DVS backend cannot support logical router
|
|
msg = (_("Unable to create router %s with DVS") %
|
|
router['router']['name'])
|
|
raise n_exc.BadRequest(resource="router", msg=msg)
|