0503979ca4
For older lbaas objects, which are still on an exclusive router edges, there is no need to add an interface to the edge when a member is created. If we do try to add the edge - the nsx backend will issue an error. Change-Id: I8819aaafabdd8deaa4e5423b1da3c366bc42ab47
194 lines
8.0 KiB
Python
194 lines
8.0 KiB
Python
# Copyright 2015 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 neutron_lib import exceptions as n_exc
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from vmware_nsx.common import locking
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from vmware_nsx.db import nsxv_db
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from vmware_nsx.plugins.nsx_v.vshield.common import exceptions as nsxv_exc
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from vmware_nsx.services.lbaas import base_mgr
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from vmware_nsx.services.lbaas.nsx_v import lbaas_common as lb_common
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LOG = logging.getLogger(__name__)
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class EdgeMemberManager(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(EdgeMemberManager, self).__init__(vcns_driver)
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self._fw_section_id = None
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def _get_pool_lb_id(self, member):
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listener = member.pool.listener
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if listener:
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lb_id = listener.loadbalancer_id
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else:
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lb_id = member.pool.loadbalancer.id
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return lb_id
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@log_helpers.log_method_call
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def create(self, context, member):
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lb_id = self._get_pool_lb_id(member)
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lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
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context.session, lb_id)
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edge_id = lb_binding['edge_id']
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pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
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context.session, lb_id, member.pool_id)
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if not pool_binding:
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self.lbv2_driver.member.failed_completion(
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context, member)
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msg = _('Failed to create member on edge: %s. '
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'Binding not found') % edge_id
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LOG.error(msg)
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raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
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edge_pool_id = pool_binding['edge_pool_id']
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with locking.LockManager.get_lock(edge_id):
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if not lb_common.is_lb_on_router_edge(
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context.elevated(), self.core_plugin, edge_id):
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# Verify that Edge appliance is connected to the member's
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# subnet (only if this is a dedicated loadbalancer edge)
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if not lb_common.get_lb_interface(
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context, self.core_plugin, lb_id, member.subnet_id):
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lb_common.create_lb_interface(
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context, self.core_plugin, lb_id, member.subnet_id,
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member.tenant_id)
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edge_pool = self.vcns.get_pool(edge_id, edge_pool_id)[1]
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edge_member = {
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'ipAddress': member.address,
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'weight': member.weight,
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'port': member.protocol_port,
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'monitorPort': member.protocol_port,
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'name': lb_common.get_member_id(member.id),
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'condition':
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'enabled' if member.admin_state_up else 'disabled'}
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if edge_pool.get('member'):
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edge_pool['member'].append(edge_member)
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else:
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edge_pool['member'] = [edge_member]
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try:
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self.vcns.update_pool(edge_id, edge_pool_id, edge_pool)
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self.lbv2_driver.member.successful_completion(context, member)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.member.failed_completion(context, member)
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LOG.error('Failed to create member on edge: %s',
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edge_id)
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@log_helpers.log_method_call
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def update(self, context, old_member, new_member):
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lb_id = self._get_pool_lb_id(new_member)
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lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
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context.session, lb_id)
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pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(context.session,
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lb_id,
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new_member.pool_id)
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edge_id = lb_binding['edge_id']
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edge_pool_id = pool_binding['edge_pool_id']
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edge_member = {
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'ipAddress': new_member.address,
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'weight': new_member.weight,
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'port': new_member.protocol_port,
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'monitorPort': new_member.protocol_port,
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'name': lb_common.get_member_id(new_member.id),
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'condition':
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'enabled' if new_member.admin_state_up else 'disabled'}
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with locking.LockManager.get_lock(edge_id):
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edge_pool = self.vcns.get_pool(edge_id, edge_pool_id)[1]
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if edge_pool.get('member'):
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for i, m in enumerate(edge_pool['member']):
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if m['name'] == lb_common.get_member_id(new_member.id):
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edge_pool['member'][i] = edge_member
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break
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try:
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self.vcns.update_pool(edge_id, edge_pool_id, edge_pool)
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self.lbv2_driver.member.successful_completion(
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context, new_member)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.member.failed_completion(
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context, new_member)
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LOG.error('Failed to update member on edge: %s',
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edge_id)
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else:
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LOG.error('Pool %(pool_id)s on Edge %(edge_id)s has no '
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'members to update',
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{'pool_id': new_member.pool.id,
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'edge_id': edge_id})
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@log_helpers.log_method_call
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def delete(self, context, member):
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lb_id = self._get_pool_lb_id(member)
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lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
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context.session, lb_id)
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pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
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context.session, lb_id, member.pool_id)
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edge_id = lb_binding['edge_id']
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with locking.LockManager.get_lock(edge_id):
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# we should remove LB subnet interface if no members are attached
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# and this is not the LB's VIP interface
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remove_interface = True
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if member.subnet_id == member.pool.loadbalancer.vip_subnet_id:
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remove_interface = False
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else:
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for m in member.pool.members:
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if m.subnet_id == member.subnet_id and m.id != member.id:
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remove_interface = False
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if remove_interface:
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lb_common.delete_lb_interface(context, self.core_plugin, lb_id,
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member.subnet_id)
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if not pool_binding:
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self.lbv2_driver.member.successful_completion(
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context, member, delete=True)
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return
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edge_pool_id = pool_binding['edge_pool_id']
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edge_pool = self.vcns.get_pool(edge_id, edge_pool_id)[1]
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for i, m in enumerate(edge_pool['member']):
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if m['name'] == lb_common.get_member_id(member.id):
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edge_pool['member'].pop(i)
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break
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try:
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self.vcns.update_pool(edge_id, edge_pool_id, edge_pool)
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self.lbv2_driver.member.successful_completion(
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context, member, delete=True)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv2_driver.member.failed_completion(context, member)
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LOG.error('Failed to delete member on edge: %s',
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edge_id)
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