174 lines
7.2 KiB
Python
174 lines
7.2 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 vmware_nsx._i18n import _LE
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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.nsx_v import lbaas_common as lb_common
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from vmware_nsx.services.lbaas.nsx_v.v2 import base_mgr
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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_member_ips(self, pool, operation, address):
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member_ips = [member.address for member in pool.members]
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if operation == 'add' and address not in member_ips:
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member_ips.append(address)
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elif operation == 'del' and address in member_ips:
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member_ips.remove(address)
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return member_ips
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def _get_lbaas_fw_section_id(self):
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if not self._fw_section_id:
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self._fw_section_id = lb_common.get_lbaas_fw_section_id(self.vcns)
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return self._fw_section_id
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@log_helpers.log_method_call
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def create(self, context, member):
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listener = member.pool.listener
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lb_id = listener.loadbalancer_id
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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, listener.id, 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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with locking.LockManager.get_lock(edge_id, external=True):
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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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member_ips = self._get_pool_member_ips(member.pool, 'add',
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member.address)
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lb_common.update_pool_fw_rule(self.vcns, member.pool_id,
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edge_id,
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self._get_lbaas_fw_section_id(),
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member_ips)
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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(_LE('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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listener = new_member.pool.listener
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lb_id = listener.loadbalancer_id
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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, listener.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, external=True):
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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(_LE('Failed to update member on edge: %s'),
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edge_id)
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else:
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LOG.error(_LE('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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listener = member.pool.listener
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lb_id = listener.loadbalancer_id
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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, listener.id, 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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with locking.LockManager.get_lock(edge_id, external=True):
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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(_LE('Failed to delete member on edge: %s'),
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edge_id)
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