aa9da74ca7
This patch adds support for LBaaS layer7 and implement the following LBaaS resources: - L7 Policy - L7 Rule Change-Id: If5a0fbeecae7c7d6e98667a1feb3a15aff3f7d70
118 lines
5.1 KiB
Python
118 lines
5.1 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 oslo_utils import excutils
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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.db import db as nsx_db
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from vmware_nsx.services.lbaas import base_mgr
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from vmware_nsx.services.lbaas import lb_const
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from vmware_nsx.services.lbaas.nsx_v3 import lb_utils
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from vmware_nsxlib.v3 import exceptions as nsxlib_exc
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from vmware_nsxlib.v3 import utils
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LOG = logging.getLogger(__name__)
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class EdgePoolManager(base_mgr.Nsxv3LoadbalancerBaseManager):
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@log_helpers.log_method_call
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def __init__(self):
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super(EdgePoolManager, self).__init__()
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@log_helpers.log_method_call
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def create(self, context, pool):
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listener_id = pool.listener.id
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lb_id = pool.loadbalancer_id
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pool_client = self.core_plugin.nsxlib.load_balancer.pool
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vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
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pool_name = utils.get_name_and_uuid(pool.name, pool.id)
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tags = lb_utils.get_tags(self.core_plugin, pool.id,
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lb_const.LB_POOL_TYPE, pool.tenant_id,
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context.project_name)
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try:
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snat_translation = {'type': "LbSnatAutoMap"}
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lb_pool = pool_client.create(display_name=pool_name,
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tags=tags,
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algorithm=pool.lb_algorithm,
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snat_translation=snat_translation)
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except nsxlib_exc.ManagerError:
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self.lbv2_driver.pool.failed_completion(context, pool)
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msg = (_('Failed to create pool on NSX backend: %(pool)s') %
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{'pool': pool.id})
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raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
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binding = nsx_db.get_nsx_lbaas_listener_binding(
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context.session, lb_id, listener_id)
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if binding:
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vs_id = binding['lb_vs_id']
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try:
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vs_client.update(vs_id, pool_id=lb_pool['id'])
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except nsxlib_exc.ManagerError:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.pool.failed_completion(context, pool)
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LOG.error('Failed to attach pool %s to virtual server %s',
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lb_pool['id'], vs_id)
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nsx_db.add_nsx_lbaas_pool_binding(
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context.session, lb_id, pool.id, lb_pool['id'], vs_id)
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else:
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msg = (_("Couldn't find binding on the listener: %s") %
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listener_id)
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raise nsx_exc.NsxPluginException(err_msg=msg)
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self.lbv2_driver.pool.successful_completion(context, pool)
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@log_helpers.log_method_call
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def update(self, context, old_pool, new_pool):
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try:
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self.lbv2_driver.pool.successful_completion(context, new_pool)
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except Exception:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.pool.failed_completion(context, new_pool)
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@log_helpers.log_method_call
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def delete(self, context, pool):
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lb_id = pool.loadbalancer_id
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pool_client = self.core_plugin.nsxlib.load_balancer.pool
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vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
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binding = nsx_db.get_nsx_lbaas_pool_binding(
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context.session, lb_id, pool.id)
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if binding:
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vs_id = binding['lb_vs_id']
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lb_pool_id = binding['lb_pool_id']
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try:
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vs_client.update(vs_id, pool_id='')
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except nsxlib_exc.ManagerError:
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self.lbv2_driver.pool.failed_completion(context, pool)
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msg = _('Failed to remove lb pool %(pool)s from virtual '
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'server %(vs)s') % {'pool': lb_pool_id,
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'vs': vs_id}
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raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
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try:
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pool_client.delete(lb_pool_id)
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except nsxlib_exc.ManagerError:
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self.lbv2_driver.pool.failed_completion(context, pool)
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msg = (_('Failed to delete lb pool from nsx: %(pool)s') %
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{'pool': lb_pool_id})
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raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
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nsx_db.delete_nsx_lbaas_pool_binding(context.session,
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lb_id, pool.id)
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self.lbv2_driver.pool.successful_completion(
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context, pool, delete=True)
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