77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
# Copyright 2017 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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from oslo_log import log as logging
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from vmware_nsx._i18n import _
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from vmware_nsx.common import exceptions as nsx_exc
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from vmware_nsx.services.vpnaas.common_v3 import ipsec_utils
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from vmware_nsx.services.vpnaas.common_v3 import ipsec_validator
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from vmware_nsxlib.v3 import nsx_constants as consts
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LOG = logging.getLogger(__name__)
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class IPsecV3Validator(ipsec_validator.IPsecCommonValidator):
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"""Validator methods for Vmware NSX-V3 VPN support"""
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def __init__(self, service_plugin):
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super(IPsecV3Validator, self).__init__(service_plugin)
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@property
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def nsxlib(self):
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return self._core_plugin.nsxlib
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def check_backend_version(self):
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if not self.nsxlib.feature_supported(consts.FEATURE_IPSEC_VPN):
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# ipsec vpn is not supported
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LOG.warning("VPNaaS is not supported by the NSX backend (version "
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"%s)",
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self.nsxlib.get_version())
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self.backend_support = False
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else:
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self.backend_support = True
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def _validate_backend_version(self):
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if not self.backend_support:
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msg = (_("VPNaaS is not supported by the NSX backend "
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"(version %s)") % self.nsxlib.get_version())
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raise nsx_exc.NsxVpnValidationError(details=msg)
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@property
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def auth_algorithm_map(self):
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return ipsec_utils.AUTH_ALGORITHM_MAP
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@property
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def pfs_map(self):
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return ipsec_utils.PFS_MAP
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def _validate_t0_ha_mode(self, tier0_uuid):
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# TODO(asarfaty): cache this result
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tier0_router = self.nsxlib.logical_router.get(tier0_uuid)
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if (not tier0_router or
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tier0_router.get('high_availability_mode') != 'ACTIVE_STANDBY'):
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msg = _("The router GW should be connected to a TIER-0 router "
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"with ACTIVE_STANDBY HA mode")
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raise nsx_exc.NsxVpnValidationError(details=msg)
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def _validate_router(self, context, router_id):
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super(IPsecV3Validator, self)._validate_router(context, router_id)
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# Verify that this is a no-snat router
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router_db = self._core_plugin._get_router(context, router_id)
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if router_db.enable_snat:
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msg = _("VPN is supported only for routers with disabled SNAT")
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raise nsx_exc.NsxVpnValidationError(details=msg)
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