166 lines
7.2 KiB
Python
166 lines
7.2 KiB
Python
# Copyright 2017 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_lib import exceptions as n_exc
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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 _
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from vmware_nsx.db import db as nsx_db
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from vmware_nsx.services.lbaas import base_mgr
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from vmware_nsx.services.lbaas import lb_const
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from vmware_nsx.services.lbaas.nsx_v3.implementation import lb_utils
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from vmware_nsxlib.v3 import exceptions as nsxlib_exc
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from vmware_nsxlib.v3 import utils
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LOG = logging.getLogger(__name__)
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class EdgeHealthMonitorManagerFromDict(base_mgr.Nsxv3LoadbalancerBaseManager):
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@log_helpers.log_method_call
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def __init__(self):
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super(EdgeHealthMonitorManagerFromDict, self).__init__()
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@log_helpers.log_method_call
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def _build_monitor_args(self, hm):
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if hm['type'] in lb_const.NSXV3_MONITOR_MAP:
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monitor_type = lb_const.NSXV3_MONITOR_MAP.get(hm['type'])
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else:
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msg = (_('Cannot create health monitor %(monitor)s with '
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'type %(type)s') % {'monitor': hm['id'],
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'type': hm['type']})
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raise n_exc.InvalidInput(error_message=msg)
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body = {'resource_type': monitor_type,
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'interval': hm['delay'],
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'fall_count': hm['max_retries'],
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'timeout': hm['timeout']}
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if monitor_type in [lb_const.LB_HEALTH_MONITOR_HTTP,
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lb_const.LB_HEALTH_MONITOR_HTTPS]:
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if hm['http_method']:
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body['request_method'] = hm['http_method']
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if hm['url_path']:
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body['request_url'] = hm['url_path']
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# TODO(tongl): nsxv3 backend doesn't support granular control
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# of expected_codes. So we ignore it and use default for now.
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# Once backend supports it, we can add it back.
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# if hm['expected_codes']:
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# body['response_status'] = hm['expected_codes']
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return body
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def create(self, context, hm, completor):
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lb_id = hm['pool']['loadbalancer_id']
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pool_id = hm['pool']['id']
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pool_client = self.core_plugin.nsxlib.load_balancer.pool
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monitor_client = self.core_plugin.nsxlib.load_balancer.monitor
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monitor_name = utils.get_name_and_uuid(hm['name'] or 'monitor',
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hm['id'])
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tags = lb_utils.get_tags(self.core_plugin, hm['id'],
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lb_const.LB_HM_TYPE,
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hm['tenant_id'], context.project_name)
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monitor_body = self._build_monitor_args(hm)
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try:
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lb_monitor = monitor_client.create(
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display_name=monitor_name, tags=tags, **monitor_body)
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except nsxlib_exc.ManagerError:
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with excutils.save_and_reraise_exception():
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completor(success=False)
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binding = nsx_db.get_nsx_lbaas_pool_binding(
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context.session, lb_id, pool_id)
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if binding:
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lb_pool_id = binding['lb_pool_id']
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try:
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pool_client.add_monitor_to_pool(lb_pool_id,
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lb_monitor['id'])
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except nsxlib_exc.ManagerError:
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completor(success=False)
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msg = _('Failed to attach monitor %(monitor)s to pool '
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'%(pool)s') % {'monitor': lb_monitor['id'],
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'pool': lb_pool_id}
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raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
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nsx_db.add_nsx_lbaas_monitor_binding(
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context.session, lb_id, pool_id, hm['id'], lb_monitor['id'],
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lb_pool_id)
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else:
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completor(success=False)
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msg = _('Failed to attach monitor %(monitor)s to pool '
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'%(pool)s: NSX pool was not found on the DB') % {
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'monitor': hm['id'],
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'pool': pool_id}
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raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
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completor(success=True)
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def update(self, context, old_hm, new_hm, completor):
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lb_id = new_hm['pool']['loadbalancer_id']
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pool_id = new_hm['pool']['id']
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monitor_client = self.core_plugin.nsxlib.load_balancer.monitor
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binding = nsx_db.get_nsx_lbaas_monitor_binding(
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context.session, lb_id, pool_id, new_hm['id'])
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if binding:
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lb_monitor_id = binding['lb_monitor_id']
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monitor_body = self._build_monitor_args(new_hm)
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monitor_name = utils.get_name_and_uuid(new_hm['name'] or 'monitor',
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new_hm['id'])
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monitor_client.update(lb_monitor_id, display_name=monitor_name,
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**monitor_body)
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else:
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completor(success=False)
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msg = _('Failed to update monitor %(monitor)s: NSX monitor was '
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'not found in DB') % {'monitor': new_hm['id'],
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'pool': pool_id}
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raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
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completor(success=True)
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def delete(self, context, hm, completor):
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lb_id = hm['pool']['loadbalancer_id']
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pool_id = hm['pool']['id']
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pool_client = self.core_plugin.nsxlib.load_balancer.pool
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monitor_client = self.core_plugin.nsxlib.load_balancer.monitor
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binding = nsx_db.get_nsx_lbaas_monitor_binding(
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context.session, lb_id, pool_id, hm['id'])
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if binding:
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lb_monitor_id = binding['lb_monitor_id']
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lb_pool_id = binding['lb_pool_id']
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try:
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pool_client.remove_monitor_from_pool(lb_pool_id,
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lb_monitor_id)
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except nsxlib_exc.ManagerError as exc:
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LOG.error('Failed to remove monitor %(monitor)s from pool '
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'%(pool)s with exception from nsx %(exc)s)',
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{'monitor': lb_monitor_id,
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'pool': lb_pool_id,
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'exc': exc})
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try:
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monitor_client.delete(lb_monitor_id)
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except nsxlib_exc.ManagerError as exc:
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LOG.error('Failed to delete monitor %(monitor)s from '
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'backend with exception %(exc)s',
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{'monitor': lb_monitor_id,
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'exc': exc})
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nsx_db.delete_nsx_lbaas_monitor_binding(context.session, lb_id,
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pool_id, hm['id'])
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else:
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# Do not fail a delete action
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pass
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completor(success=True)
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