636 lines
27 KiB
Python
636 lines
27 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 neutron.common import exceptions as n_exc
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from neutron import manager
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from neutron.plugins.common import constants
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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.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 import lbaas_const as lb_const
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LOG = logging.getLogger(__name__)
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def convert_lbaas_pool(lbaas_pool):
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"""
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Transform OpenStack pool dict to NSXv pool dict.
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"""
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edge_pool = {
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'name': 'pool_' + lbaas_pool['id'],
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'description': lbaas_pool.get('description',
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lbaas_pool.get('name')),
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'algorithm': lb_const.BALANCE_MAP.get(
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lbaas_pool.get('lb_method'), 'round-robin'),
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'transparent': False
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}
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return edge_pool
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def convert_lbaas_app_profile(name, sess_persist, protocol):
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"""
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Create app profile dict for lbaas VIP.
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Neutron-lbaas VIP objects breaks into an application profile object, and
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a virtual server object in NSXv.
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"""
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vcns_app_profile = {
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'insertXForwardedFor': False,
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'name': name,
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'serverSslEnabled': False,
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'sslPassthrough': False,
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'template': protocol,
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}
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# Since SSL Termination is not supported right now, so just use
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# sslPassthrough method if the protocol is HTTPS.
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if protocol == lb_const.LB_PROTOCOL_HTTPS:
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vcns_app_profile['sslPassthrough'] = True
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if sess_persist:
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persist_type = sess_persist.get('type')
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if persist_type:
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# If protocol is not HTTP, only source_ip is supported
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if (protocol != lb_const.LB_PROTOCOL_HTTP and
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persist_type != lb_const.LB_SESSION_PERSISTENCE_SOURCE_IP):
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msg = (_('Invalid %(protocol)s persistence method: %(type)s') %
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{'protocol': protocol,
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'type': persist_type})
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raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
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persistence = {
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'method':
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lb_const.SESSION_PERSISTENCE_METHOD_MAP.get(persist_type)}
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if persist_type in lb_const.SESSION_PERSISTENCE_COOKIE_MAP:
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persistence.update({
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'cookieName': sess_persist.get('cookie_name',
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'default_cookie_name'),
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'cookieMode':
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lb_const.SESSION_PERSISTENCE_COOKIE_MAP[persist_type]})
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vcns_app_profile['persistence'] = persistence
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return vcns_app_profile
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def convert_lbaas_vip(vip, app_profile_id, pool_mapping):
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"""
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Transform OpenStack VIP dict to NSXv virtual server dict.
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"""
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pool_id = pool_mapping['edge_pool_id']
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return {
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'name': 'vip_' + vip['id'],
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'description': vip['description'],
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'ipAddress': vip['address'],
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'protocol': vip.get('protocol'),
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'port': vip['protocol_port'],
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'connectionLimit': max(0, vip.get('connection_limit')),
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'defaultPoolId': pool_id,
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'applicationProfileId': app_profile_id}
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def convert_lbaas_member(member):
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"""
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Transform OpenStack pool member dict to NSXv pool member dict.
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"""
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return {
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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': 'enabled' if member['admin_state_up'] else 'disabled'}
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def convert_lbaas_monitor(monitor):
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"""
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Transform OpenStack health monitor dict to NSXv health monitor dict.
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"""
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mon = {
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'type': lb_const.HEALTH_MONITOR_MAP.get(monitor['type'], 'icmp'),
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'interval': monitor['delay'],
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'timeout': monitor['timeout'],
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'maxRetries': monitor['max_retries'],
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'name': monitor['id']}
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if monitor.get('http_method'):
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mon['method'] = monitor['http_method']
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if monitor.get('url_path'):
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mon['url'] = monitor['url_path']
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return mon
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class EdgeLbDriver(object):
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def __init__(self):
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super(EdgeLbDriver, self).__init__()
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LOG.debug('Initializing Edge loadbalancer')
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# self.vcns is initialized by subclass
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self.vcns = None
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self._fw_section_id = None
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self._lb_plugin = None
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self._lbv1_driver_prop = None
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def _get_lb_plugin(self):
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if not self._lb_plugin:
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loaded_plugins = manager.NeutronManager.get_service_plugins()
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self._lb_plugin = loaded_plugins[constants.LOADBALANCER]
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return self._lb_plugin
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@property
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def lbv1_driver(self):
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if not self._lbv1_driver_prop:
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plugin = self._get_lb_plugin()
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self._lbv1_driver_prop = plugin.drivers['vmwareedge']
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return self._lbv1_driver_prop
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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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def _get_pool_member_ips(self, context, pool_id, operation, address):
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plugin = self._get_lb_plugin()
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members = plugin.get_members(
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context,
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filters={'pool_id': [pool_id]},
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fields=['address'])
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member_ips = {member['address'] for member in members}
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if operation == 'add':
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member_ips.add(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 list(member_ips)
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def create_pool(self, context, pool):
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LOG.debug('Creating pool %s', pool)
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edge_id = lb_common.get_lbaas_edge_id_for_subnet(
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context, self.callbacks.plugin, pool['subnet_id'])
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if edge_id is None:
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self.lbv1_driver.pool_failed(context, pool)
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msg = _(
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'No suitable Edge found for subnet %s') % pool['subnet_id']
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raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
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# If Edge appliance is used for the 1st time for LB,
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# enable LB acceleration
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if not self.is_edge_in_use(context,
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edge_id):
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lb_common.enable_edge_acceleration(self.vcns, edge_id)
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edge_pool = convert_lbaas_pool(pool)
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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h = self.vcns.create_pool(edge_id, edge_pool)[0]
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edge_pool_id = lb_common.extract_resource_id(h['location'])
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self.lbv1_driver.create_pool_successful(
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context, pool, edge_id, edge_pool_id)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.pool_failed(context, pool)
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LOG.error(_LE('Failed to create pool %s'), pool['id'])
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def update_pool(self, context, old_pool, pool, pool_mapping):
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LOG.debug('Updating pool %s to %s', old_pool, pool)
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edge_pool = convert_lbaas_pool(pool)
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try:
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with locking.LockManager.get_lock(pool_mapping['edge_id'],
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external=True):
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curr_pool = self.vcns.get_pool(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'])[1]
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curr_pool.update(edge_pool)
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self.vcns.update_pool(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'],
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curr_pool)
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self.lbv1_driver.pool_successful(context, pool)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.pool_failed(context, pool)
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LOG.error(_LE('Failed to update pool %s'), pool['id'])
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def delete_pool(self, context, pool, pool_mapping):
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LOG.debug('Deleting pool %s', pool)
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if pool_mapping:
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try:
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with locking.LockManager.get_lock(pool_mapping['edge_id'],
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external=True):
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self.vcns.delete_pool(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'])
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.pool_failed(context, pool)
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LOG.error(_LE('Failed to delete pool %s'), pool['id'])
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else:
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LOG.error(_LE('No mapping found for pool %s'), pool['id'])
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self.lbv1_driver.delete_pool_successful(context, pool)
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def create_vip(self, context, vip, pool_mapping):
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LOG.debug('Create VIP %s', vip)
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app_profile = convert_lbaas_app_profile(
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vip['id'], vip.get('session_persistence', {}),
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vip.get('protocol'))
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if not pool_mapping:
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msg = _('Pool %s in not mapped to any Edge appliance') % (
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vip['pool_id'])
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raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
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edge_id = pool_mapping['edge_id']
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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h = (self.vcns.create_app_profile(edge_id, app_profile))[0]
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app_profile_id = lb_common.extract_resource_id(h['location'])
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(_LE('Failed to create app profile on edge: %s'),
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edge_id)
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edge_vip = convert_lbaas_vip(vip, app_profile_id, pool_mapping)
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try:
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lb_common.add_vip_as_secondary_ip(self.vcns, edge_id,
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vip['address'])
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with locking.LockManager.get_lock(edge_id, external=True):
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h = self.vcns.create_vip(edge_id, edge_vip)[0]
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edge_vip_id = lb_common.extract_resource_id(h['location'])
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edge_fw_rule_id = lb_common.add_vip_fw_rule(self.vcns,
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edge_id, vip['id'],
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vip['address'])
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self.lbv1_driver.create_vip_successful(
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context, vip, edge_id, app_profile_id, edge_vip_id,
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edge_fw_rule_id)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(_LE('Failed to create vip on Edge: %s'), edge_id)
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with locking.LockManager.get_lock(edge_id, external=True):
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self.vcns.delete_app_profile(edge_id, app_profile_id)
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def update_vip(self, context, old_vip, vip, pool_mapping, vip_mapping):
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LOG.debug('Updating VIP %s to %s', old_vip, vip)
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edge_id = vip_mapping['edge_id']
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edge_vip_id = vip_mapping['edge_vse_id']
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app_profile_id = vip_mapping['edge_app_profile_id']
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app_profile = convert_lbaas_app_profile(
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vip['name'], vip.get('session_persistence', {}),
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vip.get('protocol'))
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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self.vcns.update_app_profile(edge_id, app_profile_id,
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app_profile)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(_LE('Failed to update app profile on edge: %s'),
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edge_id)
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edge_vip = convert_lbaas_vip(vip, app_profile_id, pool_mapping)
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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self.vcns.update_vip(edge_id, edge_vip_id, edge_vip)
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self.lbv1_driver.vip_successful(context, vip)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(_LE('Failed to update vip on edge: %s'), edge_id)
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def delete_vip(self, context, vip, vip_mapping):
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LOG.debug('Deleting VIP %s', vip)
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if not vip_mapping:
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LOG.error(_LE('No mapping found for vip %s'), vip['id'])
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else:
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edge_id = vip_mapping['edge_id']
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edge_vse_id = vip_mapping['edge_vse_id']
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app_profile_id = vip_mapping['edge_app_profile_id']
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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self.vcns.delete_vip(edge_id, edge_vse_id)
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lb_common.del_vip_as_secondary_ip(self.vcns, edge_id,
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vip['address'])
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lb_common.del_vip_fw_rule(self.vcns, edge_id,
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vip_mapping['edge_fw_rule_id'])
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except nsxv_exc.ResourceNotFound:
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LOG.error(_LE('vip not found on edge: %s'), edge_id)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(
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_LE('Failed to delete vip on edge: %s'), edge_id)
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try:
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with locking.LockManager.get_lock(edge_id, external=True):
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self.vcns.delete_app_profile(edge_id, app_profile_id)
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except nsxv_exc.ResourceNotFound:
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LOG.error(_LE('app profile not found on edge: %s'), edge_id)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.vip_failed(context, vip)
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LOG.error(
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_LE('Failed to delete app profile on Edge: %s'),
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edge_id)
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self.lbv1_driver.delete_vip_successful(context, vip)
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def create_member(self, context, member, pool_mapping):
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LOG.debug('Creating member %s', member)
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with locking.LockManager.get_lock(pool_mapping['edge_id'],
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external=True):
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edge_pool = self.vcns.get_pool(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'])[1]
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edge_member = convert_lbaas_member(member)
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if edge_pool['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(
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pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'],
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edge_pool)
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member_ips = self._get_pool_member_ips(
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context, member['pool_id'], 'add', member['address'])
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lb_common.update_pool_fw_rule(
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self.vcns, member['pool_id'], pool_mapping['edge_id'],
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self._get_lbaas_fw_section_id(), member_ips)
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self.lbv1_driver.member_successful(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.lbv1_driver.member_failed(context, member)
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LOG.error(_LE('Failed to create member on edge: %s'),
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pool_mapping['edge_id'])
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def update_member(self, context, old_member, member, pool_mapping):
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LOG.debug('Updating member %s to %s', old_member, member)
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with locking.LockManager.get_lock(pool_mapping['edge_id'],
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external=True):
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edge_pool = self.vcns.get_pool(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'])[1]
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edge_member = convert_lbaas_member(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(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(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'],
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edge_pool)
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self.lbv1_driver.member_successful(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.lbv1_driver.member_failed(context, member)
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LOG.error(_LE('Failed to update member on edge: %s'),
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pool_mapping['edge_id'])
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def delete_member(self, context, member, pool_mapping):
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LOG.debug('Deleting member %s', member)
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if pool_mapping:
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with locking.LockManager.get_lock(pool_mapping['edge_id'],
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external=True):
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edge_pool = self.vcns.get_pool(
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pool_mapping['edge_id'],
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pool_mapping['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(pool_mapping['edge_id'],
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pool_mapping['edge_pool_id'],
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edge_pool)
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member_ips = self._get_pool_member_ips(
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context, member['pool_id'], 'del', member['address'])
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lb_common.update_pool_fw_rule(
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self.vcns, member['pool_id'], pool_mapping['edge_id'],
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self._get_lbaas_fw_section_id(), member_ips)
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except nsxv_exc.VcnsApiException:
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with excutils.save_and_reraise_exception():
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self.lbv1_driver.member_failed(context, member)
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LOG.error(_LE('Failed to update member on edge: %s'),
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pool_mapping['edge_id'])
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lb_plugin = self._get_lb_plugin()
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|
lb_plugin._delete_db_member(context, member['id'])
|
|
|
|
def create_pool_health_monitor(self, context, health_monitor, pool_id,
|
|
pool_mapping, mon_mappings):
|
|
LOG.debug('Create HM %s', health_monitor)
|
|
|
|
edge_mon_id = None
|
|
with locking.LockManager.get_lock(pool_mapping['edge_id'],
|
|
external=True):
|
|
# 1st, we find if we already have a pool with the same monitor, on
|
|
# the same Edge appliance.
|
|
# If there is no pool on this Edge which is already associated with
|
|
# this monitor, create this monitor on Edge
|
|
if mon_mappings:
|
|
edge_mon_id = mon_mappings['edge_monitor_id']
|
|
else:
|
|
edge_monitor = convert_lbaas_monitor(health_monitor)
|
|
try:
|
|
h = self.vcns.create_health_monitor(
|
|
pool_mapping['edge_id'], edge_monitor)[0]
|
|
edge_mon_id = lb_common.extract_resource_id(h['location'])
|
|
|
|
except nsxv_exc.VcnsApiException:
|
|
self.lbv1_driver.pool_health_monitor_failed(context,
|
|
health_monitor,
|
|
pool_id)
|
|
with excutils.save_and_reraise_exception():
|
|
LOG.error(
|
|
_LE('Failed to associate monitor on edge: %s'),
|
|
pool_mapping['edge_id'])
|
|
|
|
try:
|
|
# Associate monitor with Edge pool
|
|
edge_pool = self.vcns.get_pool(pool_mapping['edge_id'],
|
|
pool_mapping['edge_pool_id'])[1]
|
|
if edge_pool['monitorId']:
|
|
edge_pool['monitorId'].append(edge_mon_id)
|
|
else:
|
|
edge_pool['monitorId'] = [edge_mon_id]
|
|
|
|
self.vcns.update_pool(pool_mapping['edge_id'],
|
|
pool_mapping['edge_pool_id'],
|
|
edge_pool)
|
|
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv1_driver.pool_health_monitor_failed(context,
|
|
health_monitor,
|
|
pool_id)
|
|
LOG.error(
|
|
_LE('Failed to associate monitor on edge: %s'),
|
|
pool_mapping['edge_id'])
|
|
|
|
self.lbv1_driver.create_pool_health_monitor_successful(
|
|
context, health_monitor, pool_id, pool_mapping['edge_id'],
|
|
edge_mon_id)
|
|
|
|
def update_pool_health_monitor(self, context, old_health_monitor,
|
|
health_monitor, pool_id, mon_mapping):
|
|
LOG.debug('Update HM %s to %s', old_health_monitor, health_monitor)
|
|
|
|
edge_monitor = convert_lbaas_monitor(health_monitor)
|
|
|
|
try:
|
|
with locking.LockManager.get_lock(mon_mapping['edge_id'],
|
|
external=True):
|
|
self.vcns.update_health_monitor(
|
|
mon_mapping['edge_id'],
|
|
mon_mapping['edge_monitor_id'],
|
|
edge_monitor)
|
|
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv1_driver.pool_health_monitor_failed(context,
|
|
health_monitor,
|
|
pool_id)
|
|
LOG.error(
|
|
_LE('Failed to update monitor on edge: %s'),
|
|
mon_mapping['edge_id'])
|
|
|
|
self.lbv1_driver.pool_health_monitor_successful(context,
|
|
health_monitor,
|
|
pool_id)
|
|
|
|
def delete_pool_health_monitor(self, context, health_monitor, pool_id,
|
|
pool_mapping, mon_mapping):
|
|
LOG.debug('Deleting HM %s', health_monitor)
|
|
|
|
edge_id = pool_mapping['edge_id']
|
|
if not mon_mapping:
|
|
return
|
|
|
|
with locking.LockManager.get_lock(pool_mapping['edge_id'],
|
|
external=True):
|
|
edge_pool = self.vcns.get_pool(edge_id,
|
|
pool_mapping['edge_pool_id'])[1]
|
|
edge_pool['monitorId'].remove(mon_mapping['edge_monitor_id'])
|
|
|
|
try:
|
|
self.vcns.update_pool(edge_id,
|
|
pool_mapping['edge_pool_id'],
|
|
edge_pool)
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv1_driver.pool_health_monitor_failed(context,
|
|
health_monitor,
|
|
pool_id)
|
|
LOG.error(
|
|
_LE('Failed to delete monitor mapping on edge: %s'),
|
|
mon_mapping['edge_id'])
|
|
|
|
# If this monitor is not used on this edge anymore, delete it
|
|
if not edge_pool['monitorId']:
|
|
try:
|
|
self.vcns.delete_health_monitor(
|
|
mon_mapping['edge_id'],
|
|
mon_mapping['edge_monitor_id'])
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
self.lbv1_driver.pool_health_monitor_failed(
|
|
context, health_monitor, pool_id)
|
|
LOG.error(
|
|
_LE('Failed to delete monitor on edge: %s'),
|
|
mon_mapping['edge_id'])
|
|
|
|
self.lbv1_driver.delete_pool_health_monitor_successful(
|
|
context, health_monitor, pool_id, mon_mapping)
|
|
|
|
def stats(self, context, pool_id, pool_mapping):
|
|
LOG.debug('Retrieving stats for pool %s', pool_id)
|
|
|
|
try:
|
|
lb_stats = self.vcns.get_loadbalancer_statistics(
|
|
pool_mapping['edge_id'])
|
|
|
|
except nsxv_exc.VcnsApiException:
|
|
with excutils.save_and_reraise_exception():
|
|
LOG.error(
|
|
_LE('Failed to read load balancer statistics, edge: %s'),
|
|
pool_mapping['edge_id'])
|
|
|
|
pools_stats = lb_stats[1].get('pool', [])
|
|
plugin = self._get_lb_plugin()
|
|
members = plugin.get_members(
|
|
context,
|
|
filters={'pool_id': [pool_id]},
|
|
fields=['id', 'status'])
|
|
member_map = {m['id']: m['status'] for m in members}
|
|
|
|
for pool_stats in pools_stats:
|
|
if pool_stats['poolId'] == pool_mapping['edge_pool_id']:
|
|
stats = {'bytes_in': pool_stats.get('bytesIn', 0),
|
|
'bytes_out': pool_stats.get('bytesOut', 0),
|
|
'active_connections':
|
|
pool_stats.get('curSessions', 0),
|
|
'total_connections':
|
|
pool_stats.get('totalSessions', 0)}
|
|
|
|
member_stats = {}
|
|
for member in pool_stats.get('member', []):
|
|
member_id = member['name'][len(lb_common.MEMBER_ID_PFX):]
|
|
if member_map[member_id] != 'ERROR':
|
|
member_stats[member_id] = {
|
|
'status': ('INACTIVE'
|
|
if member['status'] == 'DOWN'
|
|
else 'ACTIVE')}
|
|
|
|
stats['members'] = member_stats
|
|
return stats
|
|
|
|
return {'bytes_in': 0,
|
|
'bytes_out': 0,
|
|
'active_connections': 0,
|
|
'total_connections': 0}
|
|
|
|
def is_edge_in_use(self, context, edge_id):
|
|
return self.lbv1_driver.is_edge_in_use(context, edge_id)
|
|
|
|
def is_subnet_in_use(self, context, subnet_id):
|
|
plugin = self._get_lb_plugin()
|
|
if plugin:
|
|
pools = plugin.get_pools(context,
|
|
filters={'subnet_id': [subnet_id]})
|
|
if pools:
|
|
return True
|