2256459aa1
Supporting L7 policies and rules in LBAAS-v2 Including a new db table nsxv_lbaas_l7policy_bindings for mapping between the lbaas policy ID and the nsx application rules. Depends-on: I3b14d107dbe0a72a6e24239f06bd6c3ac597cfbb Change-Id: Ic760be8956cea00b972b5f11f6acff294630892d
68 lines
2.7 KiB
Python
68 lines
2.7 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 helpers as log_helpers
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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 vmware_nsx._i18n import _LE
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from vmware_nsx.common import locking
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from vmware_nsx.services.lbaas.nsx_v.v2 import base_mgr
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from vmware_nsx.services.lbaas.nsx_v.v2 import l7policy_mgr
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LOG = logging.getLogger(__name__)
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class EdgeL7RuleManager(base_mgr.EdgeLoadbalancerBaseManager):
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@log_helpers.log_method_call
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def __init__(self, vcns_driver):
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super(EdgeL7RuleManager, self).__init__(vcns_driver)
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def _handle_l7policy_rules_change(self, context, rule, delete=False):
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# Get the nsx application rule id and edge id
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edge_id, app_rule_id = l7policy_mgr.policy_to_edge_and_rule_id(
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context, rule.l7policy_id)
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# Create the script for the new policy data.
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# The policy obj on the rule is already updated with the
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# created/updated/deleted rule.
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app_rule = l7policy_mgr.policy_to_application_rule(rule.policy)
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try:
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with locking.LockManager.get_lock(edge_id):
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# update the backend application rule for the updated policy
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self.vcns.update_app_rule(edge_id, app_rule_id, app_rule)
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except Exception as e:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.l7rule.failed_completion(context, rule)
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LOG.error(_LE('Failed to update L7rules on edge %(edge)s: '
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'%(err)s'),
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{'edge': edge_id, 'err': e})
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# complete the transaction
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self.lbv2_driver.l7rule.successful_completion(context, rule,
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delete=delete)
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@log_helpers.log_method_call
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def create(self, context, rule):
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self._handle_l7policy_rules_change(context, rule)
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@log_helpers.log_method_call
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def update(self, context, old_rule, new_rule):
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self._handle_l7policy_rules_change(context, new_rule)
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@log_helpers.log_method_call
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def delete(self, context, rule):
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self._handle_l7policy_rules_change(context, rule, delete=True)
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