673 lines
30 KiB
Python
673 lines
30 KiB
Python
# Copyright 2014 Rackspace
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# Copyright 2016 Blue Box, an IBM Company
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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 octavia_lib.api.drivers import data_models as driver_dm
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from oslo_config import cfg
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from oslo_db import exception as odb_exceptions
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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 pecan import expose as pecan_expose
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from pecan import request as pecan_request
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from wsme import types as wtypes
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from wsmeext import pecan as wsme_pecan
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from octavia.api.drivers import driver_factory
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from octavia.api.drivers import utils as driver_utils
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from octavia.api.v2.controllers import base
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from octavia.api.v2.controllers import l7policy
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from octavia.api.v2.types import listener as listener_types
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from octavia.common import constants
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from octavia.common import data_models
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from octavia.common import exceptions
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from octavia.common import stats
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from octavia.common import utils as common_utils
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from octavia.common import validate
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from octavia.db import api as db_api
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from octavia.db import prepare as db_prepare
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from octavia.i18n import _
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class ListenersController(base.BaseController):
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RBAC_TYPE = constants.RBAC_LISTENER
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def __init__(self):
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super().__init__()
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@wsme_pecan.wsexpose(listener_types.ListenerRootResponse, wtypes.text,
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[wtypes.text], ignore_extra_args=True)
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def get_one(self, id, fields=None):
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"""Gets a single listener's details."""
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context = pecan_request.context.get('octavia_context')
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db_listener = self._get_db_listener(context.session, id,
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show_deleted=False)
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if not db_listener:
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raise exceptions.NotFound(resource=data_models.Listener._name(),
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id=id)
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self._auth_validate_action(context, db_listener.project_id,
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constants.RBAC_GET_ONE)
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result = self._convert_db_to_type(db_listener,
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listener_types.ListenerResponse)
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if fields is not None:
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result = self._filter_fields([result], fields)[0]
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return listener_types.ListenerRootResponse(listener=result)
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@wsme_pecan.wsexpose(listener_types.ListenersRootResponse, wtypes.text,
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[wtypes.text], ignore_extra_args=True)
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def get_all(self, project_id=None, fields=None):
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"""Lists all listeners."""
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pcontext = pecan_request.context
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context = pcontext.get('octavia_context')
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query_filter = self._auth_get_all(context, project_id)
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db_listeners, links = self.repositories.listener.get_all_API_list(
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context.session, show_deleted=False,
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pagination_helper=pcontext.get(constants.PAGINATION_HELPER),
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**query_filter)
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result = self._convert_db_to_type(
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db_listeners, [listener_types.ListenerResponse])
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if fields is not None:
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result = self._filter_fields(result, fields)
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return listener_types.ListenersRootResponse(
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listeners=result, listeners_links=links)
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def _test_lb_and_listener_statuses(
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self, session, lb_id, id=None,
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listener_status=constants.PENDING_UPDATE):
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"""Verify load balancer is in a mutable state."""
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lb_repo = self.repositories.load_balancer
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if id:
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if not self.repositories.test_and_set_lb_and_listeners_prov_status(
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session, lb_id, constants.PENDING_UPDATE,
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listener_status, listener_ids=[id]):
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LOG.info("Load Balancer %s is immutable.", lb_id)
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db_lb = lb_repo.get(session, id=lb_id)
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raise exceptions.ImmutableObject(resource=db_lb._name(),
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id=lb_id)
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else:
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if not lb_repo.test_and_set_provisioning_status(
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session, lb_id, constants.PENDING_UPDATE):
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db_lb = lb_repo.get(session, id=lb_id)
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LOG.info("Load Balancer %s is immutable.", db_lb.id)
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raise exceptions.ImmutableObject(resource=db_lb._name(),
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id=lb_id)
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def _validate_pool(self, session, lb_id, pool_id, listener_protocol):
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"""Validate pool given exists on same load balancer as listener."""
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db_pool = self.repositories.pool.get(
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session, load_balancer_id=lb_id, id=pool_id)
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if not db_pool:
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raise exceptions.NotFound(
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resource=data_models.Pool._name(), id=pool_id)
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self._validate_protocol(listener_protocol, db_pool.protocol)
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def _has_tls_container_refs(self, listener_dict):
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return (listener_dict.get('tls_certificate_id') or
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listener_dict.get('client_ca_tls_container_id') or
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listener_dict.get('sni_containers'))
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def _is_tls_or_insert_header(self, listener_dict):
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return (self._has_tls_container_refs(listener_dict) or
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listener_dict.get('insert_headers'))
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def _validate_insert_headers(self, insert_header_list, listener_protocol):
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if (listener_protocol not in
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constants.LISTENER_PROTOCOLS_SUPPORTING_HEADER_INSERTION):
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raise exceptions.InvalidOption(
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value='insert-headers',
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option=('a %s protocol listener.' % listener_protocol))
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if list(set(insert_header_list) - (
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set(constants.SUPPORTED_HTTP_HEADERS +
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constants.SUPPORTED_SSL_HEADERS))):
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raise exceptions.InvalidOption(
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value=insert_header_list,
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option='insert_headers')
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if not listener_protocol == constants.PROTOCOL_TERMINATED_HTTPS:
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is_matched = len(
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constants.SUPPORTED_SSL_HEADERS) > len(
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list(set(constants.SUPPORTED_SSL_HEADERS) - set(
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insert_header_list)))
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if is_matched:
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headers = []
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for header_name in insert_header_list:
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if header_name in constants.SUPPORTED_SSL_HEADERS:
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headers.append(header_name)
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raise exceptions.InvalidOption(
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value=headers,
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option=('%s protocol listener.' % listener_protocol))
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def _validate_cidr_compatible_with_vip(self, vip, allowed_cidrs):
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for cidr in allowed_cidrs:
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# Check if CIDR IP version matches VIP IP version
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if common_utils.is_cidr_ipv6(cidr) != common_utils.is_ipv6(vip):
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msg = _("CIDR %(cidr)s IP version incompatible with VIP "
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"%(vip)s IP version.")
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raise exceptions.ValidationException(
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detail=msg % {'cidr': cidr, 'vip': vip})
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def _validate_create_listener(self, lock_session, listener_dict):
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"""Validate listener for wrong protocol or duplicate listeners
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Update the load balancer db when provisioning status changes.
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"""
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listener_protocol = listener_dict.get('protocol')
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if listener_dict and listener_dict.get('insert_headers'):
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self._validate_insert_headers(
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listener_dict['insert_headers'].keys(), listener_protocol)
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# Check for UDP compatibility
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if (listener_protocol == constants.PROTOCOL_UDP and
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self._is_tls_or_insert_header(listener_dict)):
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raise exceptions.ValidationException(
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detail=_("%s protocol listener does not "
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"support TLS.") % constants.PROTOCOL_UDP)
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# Check for TLS disabled
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if (not CONF.api_settings.allow_tls_terminated_listeners and
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listener_protocol == constants.PROTOCOL_TERMINATED_HTTPS):
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raise exceptions.DisabledOption(
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value=constants.PROTOCOL_TERMINATED_HTTPS, option='protocol')
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# Check for certs when not TERMINATED_HTTPS
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if (listener_protocol != constants.PROTOCOL_TERMINATED_HTTPS and
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self._has_tls_container_refs(listener_dict)):
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raise exceptions.ValidationException(detail=_(
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"Certificate container references are only allowed on "
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"%s protocol listeners.") %
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constants.PROTOCOL_TERMINATED_HTTPS)
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# Make sure a base certificate exists if specifying a client ca
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if (listener_dict.get('client_ca_tls_certificate_id') and
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not (listener_dict.get('tls_certificate_id') or
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listener_dict.get('sni_containers'))):
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raise exceptions.ValidationException(detail=_(
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"An SNI or default certificate container reference must "
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"be provided with a client CA container reference."))
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# Make sure a certificate container is specified for TERMINATED_HTTPS
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if (listener_protocol == constants.PROTOCOL_TERMINATED_HTTPS and
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not (listener_dict.get('tls_certificate_id') or
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listener_dict.get('sni_containers'))):
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raise exceptions.ValidationException(detail=_(
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"An SNI or default certificate container reference must "
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"be provided for %s protocol listeners.") %
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constants.PROTOCOL_TERMINATED_HTTPS)
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# Make sure we have a client CA cert if they enable client auth
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if (listener_dict.get('client_authentication') !=
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constants.CLIENT_AUTH_NONE and not
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listener_dict.get('client_ca_tls_certificate_id')):
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raise exceptions.ValidationException(detail=_(
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"Client authentication setting %s requires a client CA "
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"container reference.") %
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listener_dict.get('client_authentication'))
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# Make sure we have a client CA if they specify a CRL
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if (listener_dict.get('client_crl_container_id') and
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not listener_dict.get('client_ca_tls_certificate_id')):
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raise exceptions.ValidationException(detail=_(
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"A client authentication CA reference is required to "
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"specify a client authentication revocation list."))
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# Check TLS cipher prohibit list
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if 'tls_ciphers' in listener_dict and listener_dict['tls_ciphers']:
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rejected_ciphers = validate.check_cipher_prohibit_list(
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listener_dict['tls_ciphers'])
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if rejected_ciphers:
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raise exceptions.ValidationException(detail=_(
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'The following ciphers have been prohibited by an '
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'administrator: ' + ', '.join(rejected_ciphers)))
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# Validate the TLS containers
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sni_containers = listener_dict.pop('sni_containers', [])
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tls_refs = [sni['tls_container_id'] for sni in sni_containers]
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if listener_dict.get('tls_certificate_id'):
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tls_refs.append(listener_dict.get('tls_certificate_id'))
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self._validate_tls_refs(tls_refs)
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# Validate the client CA cert and optional client CRL
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if listener_dict.get('client_ca_tls_certificate_id'):
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self._validate_client_ca_and_crl_refs(
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listener_dict.get('client_ca_tls_certificate_id'),
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listener_dict.get('client_crl_container_id', None))
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# Validate that the L4 protocol (UDP or TCP) is not already used for
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# the specified protocol_port in this load balancer
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pcontext = pecan_request.context
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query_filter = {
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'project_id': listener_dict['project_id'],
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'load_balancer_id': listener_dict['load_balancer_id'],
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'protocol_port': listener_dict['protocol_port']
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}
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# Get listeners on the same load balancer that use the same
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# protocol port
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db_listeners = self.repositories.listener.get_all_API_list(
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lock_session, show_deleted=False,
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pagination_helper=pcontext.get(constants.PAGINATION_HELPER),
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**query_filter)[0]
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if db_listeners:
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l4_protocol = constants.L4_PROTOCOL_MAP[listener_protocol]
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# List supported protocols that share the same L4 protocol as our
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# new listener
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disallowed_protocols = [
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p
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for p in constants.L4_PROTOCOL_MAP
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if constants.L4_PROTOCOL_MAP[p] == l4_protocol
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]
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for db_l in db_listeners:
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# Check if l4 protocol ports conflict
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if db_l.protocol in disallowed_protocols:
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raise exceptions.DuplicateListenerEntry(
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protocol=db_l.protocol,
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port=listener_dict.get('protocol_port'))
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# Validate allowed CIDRs
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allowed_cidrs = listener_dict.get('allowed_cidrs', []) or []
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lb_id = listener_dict.get('load_balancer_id')
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vip_db = self.repositories.vip.get(
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lock_session, load_balancer_id=lb_id)
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vip_address = vip_db.ip_address
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self._validate_cidr_compatible_with_vip(vip_address, allowed_cidrs)
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if listener_protocol == constants.PROTOCOL_TERMINATED_HTTPS:
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# Validate TLS version list
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validate.check_tls_version_list(listener_dict['tls_versions'])
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# Validate TLS versions against minimum
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validate.check_tls_version_min(listener_dict['tls_versions'])
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try:
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db_listener = self.repositories.listener.create(
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lock_session, **listener_dict)
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if sni_containers:
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for container in sni_containers:
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sni_dict = {'listener_id': db_listener.id,
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'tls_container_id': container.get(
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'tls_container_id')}
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self.repositories.sni.create(lock_session, **sni_dict)
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# DB listener needs to be refreshed
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db_listener = self.repositories.listener.get(
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lock_session, id=db_listener.id)
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return db_listener
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except odb_exceptions.DBDuplicateEntry as de:
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column_list = ['load_balancer_id', 'protocol', 'protocol_port']
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constraint_list = ['uq_listener_load_balancer_id_protocol_port']
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if ['id'] == de.columns:
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raise exceptions.IDAlreadyExists()
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if (set(column_list) == set(de.columns) or
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set(constraint_list) == set(de.columns)):
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raise exceptions.DuplicateListenerEntry(
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protocol=listener_dict.get('protocol'),
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port=listener_dict.get('protocol_port'))
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except odb_exceptions.DBError as e:
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raise exceptions.InvalidOption(value=listener_dict.get('protocol'),
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option='protocol') from e
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@wsme_pecan.wsexpose(listener_types.ListenerRootResponse,
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body=listener_types.ListenerRootPOST, status_code=201)
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def post(self, listener_):
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"""Creates a listener on a load balancer."""
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listener = listener_.listener
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context = pecan_request.context.get('octavia_context')
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load_balancer_id = listener.loadbalancer_id
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listener.project_id, provider = self._get_lb_project_id_provider(
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context.session, load_balancer_id)
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self._auth_validate_action(context, listener.project_id,
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constants.RBAC_POST)
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# Load the driver early as it also provides validation
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driver = driver_factory.get_driver(provider)
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lock_session = db_api.get_session(autocommit=False)
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try:
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if self.repositories.check_quota_met(
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context.session,
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lock_session,
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data_models.Listener,
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listener.project_id):
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raise exceptions.QuotaException(
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resource=data_models.Listener._name())
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listener_dict = db_prepare.create_listener(
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listener.to_dict(render_unsets=True), None)
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if listener_dict['default_pool_id']:
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self._validate_pool(context.session, load_balancer_id,
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listener_dict['default_pool_id'],
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listener.protocol)
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self._test_lb_and_listener_statuses(
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lock_session, lb_id=load_balancer_id)
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db_listener = self._validate_create_listener(
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lock_session, listener_dict)
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# Prepare the data for the driver data model
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provider_listener = (
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driver_utils.db_listener_to_provider_listener(db_listener))
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# re-inject the sni container references lost due to SNI
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# being a separate table in the DB
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if listener.sni_container_refs != wtypes.Unset:
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provider_listener.sni_container_refs = (
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listener.sni_container_refs)
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# Dispatch to the driver
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LOG.info("Sending create Listener %s to provider %s",
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db_listener.id, driver.name)
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driver_utils.call_provider(
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driver.name, driver.listener_create, provider_listener)
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lock_session.commit()
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except Exception:
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with excutils.save_and_reraise_exception():
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lock_session.rollback()
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db_listener = self._get_db_listener(context.session, db_listener.id)
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result = self._convert_db_to_type(db_listener,
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listener_types.ListenerResponse)
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return listener_types.ListenerRootResponse(listener=result)
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def _graph_create(self, lock_session, listener_dict,
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l7policies=None, pool_name_ids=None):
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load_balancer_id = listener_dict['load_balancer_id']
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listener_dict = db_prepare.create_listener(
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listener_dict, load_balancer_id)
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l7policies = listener_dict.pop('l7policies', l7policies)
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if listener_dict.get('default_pool_id'):
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self._validate_pool(lock_session, load_balancer_id,
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listener_dict['default_pool_id'],
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listener_dict['protocol'])
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db_listener = self._validate_create_listener(
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lock_session, listener_dict)
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# Now create l7policies
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new_l7ps = []
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for l7p in l7policies:
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l7p['project_id'] = db_listener.project_id
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l7p['load_balancer_id'] = load_balancer_id
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l7p['listener_id'] = db_listener.id
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redirect_pool = l7p.pop('redirect_pool', None)
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if redirect_pool:
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pool_name = redirect_pool['name']
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pool_id = pool_name_ids.get(pool_name)
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if not pool_id:
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raise exceptions.SingleCreateDetailsMissing(
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type='Pool', name=pool_name)
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l7p['redirect_pool_id'] = pool_id
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new_l7ps.append(l7policy.L7PolicyController()._graph_create(
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lock_session, l7p))
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db_listener.l7policies = new_l7ps
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return db_listener
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def _validate_listener_PUT(self, listener, db_listener):
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# TODO(rm_work): Do we need something like this? What do we do on an
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# empty body for a PUT?
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if not listener:
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raise exceptions.ValidationException(
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detail='No listener object supplied.')
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# Check for UDP compatibility
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if (db_listener.protocol == constants.PROTOCOL_UDP and
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self._is_tls_or_insert_header(listener.to_dict())):
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raise exceptions.ValidationException(detail=_(
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"%s protocol listener does not support TLS or header "
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"insertion.") % constants.PROTOCOL_UDP)
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# Check for certs when not TERMINATED_HTTPS
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if (db_listener.protocol != constants.PROTOCOL_TERMINATED_HTTPS and
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self._has_tls_container_refs(listener.to_dict())):
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raise exceptions.ValidationException(detail=_(
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"Certificate container references are only allowed on "
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"%s protocol listeners.") %
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constants.PROTOCOL_TERMINATED_HTTPS)
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# Make sure we have a client CA cert if they enable client auth
|
|
if ((listener.client_authentication != wtypes.Unset and
|
|
listener.client_authentication != constants.CLIENT_AUTH_NONE) and
|
|
not (db_listener.client_ca_tls_certificate_id or
|
|
listener.client_ca_tls_container_ref)):
|
|
raise exceptions.ValidationException(detail=_(
|
|
"Client authentication setting %s requires a client CA "
|
|
"container reference.") %
|
|
listener.client_authentication)
|
|
|
|
if listener.insert_headers:
|
|
self._validate_insert_headers(
|
|
list(listener.insert_headers.keys()), db_listener.protocol)
|
|
|
|
sni_containers = listener.sni_container_refs or []
|
|
tls_refs = list(sni_containers)
|
|
if listener.default_tls_container_ref:
|
|
tls_refs.append(listener.default_tls_container_ref)
|
|
self._validate_tls_refs(tls_refs)
|
|
|
|
ca_ref = None
|
|
if (listener.client_ca_tls_container_ref and
|
|
listener.client_ca_tls_container_ref != wtypes.Unset):
|
|
ca_ref = listener.client_ca_tls_container_ref
|
|
elif db_listener.client_ca_tls_certificate_id:
|
|
ca_ref = db_listener.client_ca_tls_certificate_id
|
|
|
|
crl_ref = None
|
|
if (listener.client_crl_container_ref and
|
|
listener.client_crl_container_ref != wtypes.Unset):
|
|
crl_ref = listener.client_crl_container_ref
|
|
elif db_listener.client_crl_container_id:
|
|
crl_ref = db_listener.client_crl_container_id
|
|
|
|
if crl_ref and not ca_ref:
|
|
raise exceptions.ValidationException(detail=_(
|
|
"A client authentication CA reference is required to "
|
|
"specify a client authentication revocation list."))
|
|
|
|
if ca_ref or crl_ref:
|
|
self._validate_client_ca_and_crl_refs(ca_ref, crl_ref)
|
|
|
|
# Validate allowed CIDRs
|
|
if (listener.allowed_cidrs and listener.allowed_cidrs != wtypes.Unset):
|
|
vip_address = db_listener.load_balancer.vip.ip_address
|
|
self._validate_cidr_compatible_with_vip(
|
|
vip_address, listener.allowed_cidrs)
|
|
|
|
# Check TLS cipher prohibit list
|
|
if listener.tls_ciphers:
|
|
rejected_ciphers = validate.check_cipher_prohibit_list(
|
|
listener.tls_ciphers)
|
|
if rejected_ciphers:
|
|
raise exceptions.ValidationException(detail=_(
|
|
'The following ciphers have been prohibited by an '
|
|
'administrator: ' + ', '.join(rejected_ciphers)))
|
|
|
|
if listener.tls_versions is not wtypes.Unset:
|
|
# Validate TLS version list
|
|
validate.check_tls_version_list(listener.tls_versions)
|
|
# Validate TLS versions against minimum
|
|
validate.check_tls_version_min(listener.tls_versions)
|
|
|
|
def _set_default_on_none(self, listener):
|
|
"""Reset settings to their default values if None/null was passed in
|
|
|
|
A None/null value can be passed in to clear a value. PUT values
|
|
that were not provided by the user have a type of wtypes.UnsetType.
|
|
If the user is attempting to clear values, they should either
|
|
be set to None (for example in the name field) or they should be
|
|
reset to their default values.
|
|
This method is intended to handle those values that need to be set
|
|
back to a default value.
|
|
"""
|
|
if listener.connection_limit is None:
|
|
listener.connection_limit = constants.DEFAULT_CONNECTION_LIMIT
|
|
if listener.timeout_client_data is None:
|
|
listener.timeout_client_data = (
|
|
CONF.haproxy_amphora.timeout_client_data)
|
|
if listener.timeout_member_connect is None:
|
|
listener.timeout_member_connect = (
|
|
CONF.haproxy_amphora.timeout_member_connect)
|
|
if listener.timeout_member_data is None:
|
|
listener.timeout_member_data = (
|
|
CONF.haproxy_amphora.timeout_member_data)
|
|
if listener.timeout_tcp_inspect is None:
|
|
listener.timeout_tcp_inspect = (
|
|
CONF.haproxy_amphora.timeout_tcp_inspect)
|
|
if listener.client_authentication is None:
|
|
listener.client_authentication = constants.CLIENT_AUTH_NONE
|
|
|
|
@wsme_pecan.wsexpose(listener_types.ListenerRootResponse, wtypes.text,
|
|
body=listener_types.ListenerRootPUT, status_code=200)
|
|
def put(self, id, listener_):
|
|
"""Updates a listener on a load balancer."""
|
|
listener = listener_.listener
|
|
context = pecan_request.context.get('octavia_context')
|
|
db_listener = self._get_db_listener(context.session, id,
|
|
show_deleted=False)
|
|
load_balancer_id = db_listener.load_balancer_id
|
|
|
|
project_id, provider = self._get_lb_project_id_provider(
|
|
context.session, load_balancer_id)
|
|
|
|
self._auth_validate_action(context, project_id, constants.RBAC_PUT)
|
|
|
|
self._validate_listener_PUT(listener, db_listener)
|
|
|
|
self._set_default_on_none(listener)
|
|
|
|
if listener.default_pool_id:
|
|
self._validate_pool(context.session, load_balancer_id,
|
|
listener.default_pool_id, db_listener.protocol)
|
|
|
|
# Load the driver early as it also provides validation
|
|
driver = driver_factory.get_driver(provider)
|
|
|
|
with db_api.get_lock_session() as lock_session:
|
|
self._test_lb_and_listener_statuses(lock_session,
|
|
load_balancer_id, id=id)
|
|
|
|
# Prepare the data for the driver data model
|
|
listener_dict = listener.to_dict(render_unsets=False)
|
|
listener_dict['id'] = id
|
|
|
|
provider_listener_dict = (
|
|
driver_utils.listener_dict_to_provider_dict(listener_dict))
|
|
|
|
# Also prepare the baseline object data
|
|
old_provider_listener = (
|
|
driver_utils.db_listener_to_provider_listener(db_listener,
|
|
for_delete=True))
|
|
|
|
# Dispatch to the driver
|
|
LOG.info("Sending update Listener %s to provider %s", id,
|
|
driver.name)
|
|
driver_utils.call_provider(
|
|
driver.name, driver.listener_update,
|
|
old_provider_listener,
|
|
driver_dm.Listener.from_dict(provider_listener_dict))
|
|
|
|
# Update the database to reflect what the driver just accepted
|
|
self.repositories.listener.update(
|
|
lock_session, id, **listener.to_dict(render_unsets=False))
|
|
|
|
# Force SQL alchemy to query the DB, otherwise we get inconsistent
|
|
# results
|
|
context.session.expire_all()
|
|
db_listener = self._get_db_listener(context.session, id)
|
|
result = self._convert_db_to_type(db_listener,
|
|
listener_types.ListenerResponse)
|
|
return listener_types.ListenerRootResponse(listener=result)
|
|
|
|
@wsme_pecan.wsexpose(None, wtypes.text, status_code=204)
|
|
def delete(self, id):
|
|
"""Deletes a listener from a load balancer."""
|
|
context = pecan_request.context.get('octavia_context')
|
|
db_listener = self._get_db_listener(context.session, id,
|
|
show_deleted=False)
|
|
load_balancer_id = db_listener.load_balancer_id
|
|
|
|
project_id, provider = self._get_lb_project_id_provider(
|
|
context.session, load_balancer_id)
|
|
|
|
self._auth_validate_action(context, project_id, constants.RBAC_DELETE)
|
|
|
|
# Load the driver early as it also provides validation
|
|
driver = driver_factory.get_driver(provider)
|
|
|
|
with db_api.get_lock_session() as lock_session:
|
|
|
|
self._test_lb_and_listener_statuses(
|
|
lock_session, load_balancer_id,
|
|
id=id, listener_status=constants.PENDING_DELETE)
|
|
|
|
LOG.info("Sending delete Listener %s to provider %s", id,
|
|
driver.name)
|
|
provider_listener = (
|
|
driver_utils.db_listener_to_provider_listener(
|
|
db_listener, for_delete=True))
|
|
driver_utils.call_provider(driver.name, driver.listener_delete,
|
|
provider_listener)
|
|
|
|
@pecan_expose()
|
|
def _lookup(self, id, *remainder):
|
|
"""Overridden pecan _lookup method for custom routing.
|
|
|
|
Currently it checks if this was a stats request and routes
|
|
the request to the StatsController.
|
|
"""
|
|
if id and remainder and remainder[0] == 'stats':
|
|
return StatisticsController(listener_id=id), remainder[1:]
|
|
return None
|
|
|
|
|
|
class StatisticsController(base.BaseController, stats.StatsMixin):
|
|
RBAC_TYPE = constants.RBAC_LISTENER
|
|
|
|
def __init__(self, listener_id):
|
|
super().__init__()
|
|
self.id = listener_id
|
|
|
|
@wsme_pecan.wsexpose(listener_types.StatisticsRootResponse, wtypes.text,
|
|
status_code=200)
|
|
def get(self):
|
|
context = pecan_request.context.get('octavia_context')
|
|
db_listener = self._get_db_listener(context.session, self.id,
|
|
show_deleted=False)
|
|
if not db_listener:
|
|
LOG.info("Listener %s not found.", id)
|
|
raise exceptions.NotFound(
|
|
resource=data_models.Listener._name(),
|
|
id=id)
|
|
|
|
self._auth_validate_action(context, db_listener.project_id,
|
|
constants.RBAC_GET_STATS)
|
|
|
|
listener_stats = self.get_listener_stats(context.session, self.id)
|
|
|
|
result = self._convert_db_to_type(
|
|
listener_stats, listener_types.ListenerStatisticsResponse)
|
|
return listener_types.StatisticsRootResponse(stats=result)
|