fc4a3d4376
Fix listener/pool update. Depends-on: I296ff540f36a4072e9c774d201a6728878bc2b44 Change-Id: Ie6546681dda79384db17f9f29f24219446e3af87
165 lines
7.3 KiB
Python
165 lines
7.3 KiB
Python
# Copyright 2017 VMware, Inc.
|
|
# All Rights Reserved
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
from neutron_lib import exceptions as n_exc
|
|
from oslo_log import helpers as log_helpers
|
|
from oslo_log import log as logging
|
|
from oslo_utils import excutils
|
|
|
|
from vmware_nsx._i18n import _
|
|
from vmware_nsx.common import exceptions as nsx_exc
|
|
from vmware_nsx.db import db as nsx_db
|
|
from vmware_nsx.services.lbaas import base_mgr
|
|
from vmware_nsx.services.lbaas import lb_const
|
|
from vmware_nsx.services.lbaas.nsx_v3 import lb_utils
|
|
from vmware_nsxlib.v3 import exceptions as nsxlib_exc
|
|
from vmware_nsxlib.v3 import utils
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class EdgePoolManager(base_mgr.Nsxv3LoadbalancerBaseManager):
|
|
@log_helpers.log_method_call
|
|
def __init__(self):
|
|
super(EdgePoolManager, self).__init__()
|
|
|
|
def _get_pool_kwargs(self, name=None, tags=None, algorithm=None,
|
|
session_persistence=None):
|
|
kwargs = {}
|
|
if name:
|
|
kwargs['display_name'] = name
|
|
if tags:
|
|
kwargs['tags'] = tags
|
|
if algorithm:
|
|
kwargs['algorithm'] = algorithm
|
|
if session_persistence:
|
|
kwargs['session_persistence'] = session_persistence
|
|
kwargs['snat_translation'] = {'type': "LbSnatAutoMap"}
|
|
return kwargs
|
|
|
|
def _get_pool_tags(self, context, pool):
|
|
return lb_utils.get_tags(self.core_plugin, pool.id,
|
|
lb_const.LB_POOL_TYPE, pool.tenant_id,
|
|
context.project_name)
|
|
|
|
@log_helpers.log_method_call
|
|
def create(self, context, pool):
|
|
lb_id = pool.loadbalancer_id
|
|
pool_client = self.core_plugin.nsxlib.load_balancer.pool
|
|
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
|
|
pool_name = utils.get_name_and_uuid(pool.name or 'pool', pool.id)
|
|
tags = self._get_pool_tags(context, pool)
|
|
|
|
lb_algorithm = lb_const.LB_POOL_ALGORITHM_MAP.get(pool.lb_algorithm)
|
|
try:
|
|
kwargs = self._get_pool_kwargs(pool_name, tags, lb_algorithm)
|
|
lb_pool = pool_client.create(**kwargs)
|
|
nsx_db.add_nsx_lbaas_pool_binding(
|
|
context.session, lb_id, pool.id, lb_pool['id'])
|
|
except nsxlib_exc.ManagerError:
|
|
self.lbv2_driver.pool.failed_completion(context, pool)
|
|
msg = (_('Failed to create pool on NSX backend: %(pool)s') %
|
|
{'pool': pool.id})
|
|
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
|
|
|
|
# The pool object can be created with either --listener or
|
|
# --loadbalancer option. If listener is present, the virtual server
|
|
# will be updated with the pool. Otherwise, just return. The binding
|
|
# will be added later when the pool is associated with layer7 rule.
|
|
if pool.listener:
|
|
listener_id = pool.listener.id
|
|
binding = nsx_db.get_nsx_lbaas_listener_binding(
|
|
context.session, lb_id, listener_id)
|
|
if binding:
|
|
vs_id = binding['lb_vs_id']
|
|
try:
|
|
vs_client.update(vs_id, pool_id=lb_pool['id'])
|
|
except nsxlib_exc.ManagerError:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv2_driver.pool.failed_completion(context, pool)
|
|
LOG.error('Failed to attach pool %s to virtual '
|
|
'server %s', lb_pool['id'], vs_id)
|
|
nsx_db.update_nsx_lbaas_pool_binding(
|
|
context.session, lb_id, pool.id, vs_id)
|
|
else:
|
|
msg = (_("Couldn't find binding on the listener: %s") %
|
|
listener_id)
|
|
raise nsx_exc.NsxPluginException(err_msg=msg)
|
|
self.lbv2_driver.pool.successful_completion(context, pool)
|
|
|
|
@log_helpers.log_method_call
|
|
def update(self, context, old_pool, new_pool):
|
|
pool_client = self.core_plugin.nsxlib.load_balancer.pool
|
|
pool_name = None
|
|
tags = None
|
|
lb_algorithm = None
|
|
if new_pool.name != old_pool.name:
|
|
pool_name = utils.get_name_and_uuid(new_pool.name or 'pool',
|
|
new_pool.id)
|
|
tags = self._get_pool_tags(context, new_pool)
|
|
if new_pool.lb_algorithm != old_pool.lb_algorithm:
|
|
lb_algorithm = lb_const.LB_POOL_ALGORITHM_MAP.get(
|
|
new_pool.lb_algorithm)
|
|
binding = nsx_db.get_nsx_lbaas_pool_binding(
|
|
context.session, old_pool.loadbalancer_id, old_pool.id)
|
|
if not binding:
|
|
msg = (_('Cannot find pool %(pool)s binding on NSX db '
|
|
'mapping'), {'pool': old_pool.id})
|
|
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
|
|
try:
|
|
lb_pool_id = binding['lb_pool_id']
|
|
kwargs = self._get_pool_kwargs(pool_name, tags, lb_algorithm)
|
|
pool_client.update(lb_pool_id, **kwargs)
|
|
self.lbv2_driver.pool.successful_completion(context, new_pool)
|
|
except Exception as e:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv2_driver.pool.failed_completion(context, new_pool)
|
|
LOG.error('Failed to update pool %(pool)s with '
|
|
'error %(error)s',
|
|
{'pool': old_pool.id, 'error': e})
|
|
|
|
@log_helpers.log_method_call
|
|
def delete(self, context, pool):
|
|
lb_id = pool.loadbalancer_id
|
|
pool_client = self.core_plugin.nsxlib.load_balancer.pool
|
|
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
|
|
|
|
binding = nsx_db.get_nsx_lbaas_pool_binding(
|
|
context.session, lb_id, pool.id)
|
|
if binding:
|
|
vs_id = binding.get('lb_vs_id')
|
|
lb_pool_id = binding.get('lb_pool_id')
|
|
if vs_id:
|
|
try:
|
|
vs_client.update(vs_id, pool_id='')
|
|
except nsxlib_exc.ManagerError:
|
|
self.lbv2_driver.pool.failed_completion(context, pool)
|
|
msg = _('Failed to remove lb pool %(pool)s from virtual '
|
|
'server %(vs)s') % {'pool': lb_pool_id,
|
|
'vs': vs_id}
|
|
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
|
|
try:
|
|
pool_client.delete(lb_pool_id)
|
|
except nsxlib_exc.ManagerError:
|
|
self.lbv2_driver.pool.failed_completion(context, pool)
|
|
msg = (_('Failed to delete lb pool from nsx: %(pool)s') %
|
|
{'pool': lb_pool_id})
|
|
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
|
|
nsx_db.delete_nsx_lbaas_pool_binding(context.session,
|
|
lb_id, pool.id)
|
|
|
|
self.lbv2_driver.pool.successful_completion(
|
|
context, pool, delete=True)
|