5a3008b75b
When backend if inconsistent with the Neutron DB, we should still be able to delete the LB, while posting a proper error message. Change-Id: Ice5b2bba255297711a620f61e75cafce0115ae93 Fixes-bug: #1663602
107 lines
4.3 KiB
Python
107 lines
4.3 KiB
Python
# Copyright 2015 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 _, _LE
|
|
from vmware_nsx.db import nsxv_db
|
|
from vmware_nsx.plugins.nsx_v.vshield.common import exceptions as nsxv_exc
|
|
from vmware_nsx.services.lbaas.nsx_v import lbaas_common as lb_common
|
|
from vmware_nsx.services.lbaas.nsx_v.v2 import base_mgr
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class EdgeLoadBalancerManager(base_mgr.EdgeLoadbalancerBaseManager):
|
|
@log_helpers.log_method_call
|
|
def __init__(self, vcns_driver):
|
|
super(EdgeLoadBalancerManager, self).__init__(vcns_driver)
|
|
|
|
@log_helpers.log_method_call
|
|
def create(self, context, lb):
|
|
edge_id = lb_common.get_lbaas_edge_id_for_subnet(
|
|
context, self.core_plugin, lb.vip_subnet_id, lb.tenant_id)
|
|
|
|
if not edge_id:
|
|
msg = _(
|
|
'No suitable Edge found for subnet %s') % lb.vip_subnet_id
|
|
raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
|
|
|
|
try:
|
|
if not nsxv_db.get_nsxv_lbaas_loadbalancer_binding_by_edge(
|
|
context.session, edge_id):
|
|
lb_common.enable_edge_acceleration(self.vcns, edge_id)
|
|
|
|
lb_common.add_vip_as_secondary_ip(self.vcns, edge_id,
|
|
lb.vip_address)
|
|
edge_fw_rule_id = lb_common.add_vip_fw_rule(
|
|
self.vcns, edge_id, lb.id, lb.vip_address)
|
|
|
|
nsxv_db.add_nsxv_lbaas_loadbalancer_binding(
|
|
context.session, lb.id, edge_id, edge_fw_rule_id,
|
|
lb.vip_address)
|
|
self.lbv2_driver.load_balancer.successful_completion(context, lb)
|
|
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv2_driver.load_balancer.failed_completion(context, lb)
|
|
LOG.error(_LE('Failed to create pool %s'), lb.id)
|
|
|
|
@log_helpers.log_method_call
|
|
def update(self, context, old_lb, new_lb):
|
|
self.lbv2_driver.load_balancer.successful_completion(context, new_lb)
|
|
|
|
@log_helpers.log_method_call
|
|
def delete(self, context, lb):
|
|
binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
|
|
context.session, lb.id)
|
|
if binding:
|
|
try:
|
|
lb_common.del_vip_fw_rule(self.vcns, binding['edge_id'],
|
|
binding['edge_fw_rule_id'])
|
|
except nsxv_exc.VcnsApiException as e:
|
|
LOG.error(_LE('Failed to delete loadbalancer %(lb)s FW rule. '
|
|
'exception is %(exc)s'), {'lb': lb.id, 'exc': e})
|
|
try:
|
|
lb_common.del_vip_as_secondary_ip(self.vcns,
|
|
binding['edge_id'],
|
|
lb.vip_address)
|
|
except Exception as e:
|
|
LOG.error(_LE('Failed to delete loadbalancer %(lb)s interface'
|
|
' IP. exception is %(exc)s'),
|
|
{'lb': lb.id, 'exc': e})
|
|
|
|
nsxv_db.del_nsxv_lbaas_loadbalancer_binding(context.session, lb.id)
|
|
self.lbv2_driver.load_balancer.successful_completion(context, lb,
|
|
delete=True)
|
|
|
|
@log_helpers.log_method_call
|
|
def refresh(self, context, lb):
|
|
# TODO(kobis): implememnt
|
|
pass
|
|
|
|
@log_helpers.log_method_call
|
|
def stats(self, context, lb):
|
|
# TODO(kobis): implement
|
|
stats = {'bytes_in': 0,
|
|
'bytes_out': 0,
|
|
'active_connections': 0,
|
|
'total_connections': 0}
|
|
|
|
return stats
|