2c55108ef4
The platform side finalized the API for LbRule including LbRuleAction, LbRuleCondition and LbRuleMatchType. Also it enforces LB rule deletion that the rule cannot be deleted with if it is still attached to a virtual server. This patch fix these based on platform changes. Change-Id: Id3709c480eb92a7d369851248f302267da0a64ef
82 lines
3.4 KiB
Python
82 lines
3.4 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 neutron_lib import exceptions as n_exc
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from oslo_log import helpers as log_helpers
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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.db import db as nsx_db
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from vmware_nsx.services.lbaas import base_mgr
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from vmware_nsxlib.v3 import exceptions as nsxlib_exc
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LOG = logging.getLogger(__name__)
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class EdgeL7PolicyManager(base_mgr.Nsxv3LoadbalancerBaseManager):
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@log_helpers.log_method_call
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def __init__(self):
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super(EdgeL7PolicyManager, self).__init__()
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@log_helpers.log_method_call
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def _l7policy_action(self, context, policy, action, delete=False):
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try:
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self.lbv2_driver.l7policy.successful_completion(
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context, policy, delete=delete)
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except Exception as e:
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self.lbv2_driver.l7policy.failed_completion(context, policy)
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msg = (_('Failed to %(action)s l7policy %(err)s') %
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{'action': action, 'err': e})
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resource = 'lbaas-l7policy-%s' % action
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raise n_exc.BadRequest(resource=resource, msg=msg)
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@log_helpers.log_method_call
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def create(self, context, policy):
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self._l7policy_action(context, policy, 'create')
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@log_helpers.log_method_call
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def update(self, context, old_policy, new_policy):
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self._l7policy_action(context, new_policy, 'update')
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@log_helpers.log_method_call
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def delete(self, context, policy):
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lb_id = policy.listener.loadbalancer_id
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vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
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rule_client = self.core_plugin.nsxlib.load_balancer.rule
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for rule in policy.rules:
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binding = nsx_db.get_nsx_lbaas_l7rule_binding(
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context.session, lb_id, policy.id, rule.id)
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if binding:
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vs_id = binding['lb_vs_id']
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rule_id = binding['lb_rule_id']
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try:
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# Update virtual server to remove lb rule
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vs_client.remove_rule(vs_id, rule_id)
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rule_client.delete(rule_id)
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except nsxlib_exc.ResourceNotFound:
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LOG.warning('LB rule %(rule)s is not found on NSX',
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{'rule': rule_id})
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except nsxlib_exc.ManagerError:
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self.lbv2_driver.l7policy.failed_completion(
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context, policy)
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msg = (_('Failed to delete lb rule: %(rule)s') %
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{'rule': rule.id})
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raise n_exc.BadRequest(resource='lbaas-l7rule-delete',
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msg=msg)
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nsx_db.delete_nsx_lbaas_l7rule_binding(
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context.session, lb_id, policy.id, rule.id)
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self.lbv2_driver.l7policy.successful_completion(
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context, policy, delete=True)
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