vmware-nsx/vmware_nsx/services/lbaas/nsx_v3/healthmonitor_mgr.py
Gary Kotton 64d13df69f NSX|V3: ensure that a readable name is set for LB resources on NSX
Make sure that a name is set with the UUID. If a resource does not
have a name then we will use a default name type for the resource.

Change-Id: If6c4ae03368c5e486bce8ee1e6184695729dec20
2017-11-15 03:27:39 -08:00

139 lines
6.1 KiB
Python

# Copyright 2017 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 _
from vmware_nsx.db import db as nsx_db
from vmware_nsx.services.lbaas import base_mgr
from vmware_nsx.services.lbaas import lb_const
from vmware_nsx.services.lbaas.nsx_v3 import lb_utils
from vmware_nsxlib.v3 import exceptions as nsxlib_exc
from vmware_nsxlib.v3 import utils
LOG = logging.getLogger(__name__)
class EdgeHealthMonitorManager(base_mgr.Nsxv3LoadbalancerBaseManager):
@log_helpers.log_method_call
def __init__(self):
super(EdgeHealthMonitorManager, self).__init__()
@log_helpers.log_method_call
def _build_monitor_args(self, hm):
if hm.type in lb_const.NSXV3_MONITOR_MAP:
monitor_type = lb_const.NSXV3_MONITOR_MAP.get(hm.type)
else:
msg = (_('Cannot create health monitor %(monitor)s with '
'type %(type)s') % {'monitor': hm.id, 'type': hm.type})
raise n_exc.InvalidInput(error_message=msg)
body = {'resource_type': monitor_type,
'interval': hm.delay,
'fall_count': hm.max_retries,
'timeout': hm.timeout}
if monitor_type in [lb_const.LB_HEALTH_MONITOR_HTTP,
lb_const.LB_HEALTH_MONITOR_HTTPS]:
if hm.http_method:
body['request_method'] = hm.http_method
if hm.url_path:
body['request_url'] = hm.url_path
# TODO(tongl): nsxv3 backend doesn't support granular control
# of expected_codes. So we ignore it and use default for now.
# Once backend supports it, we can add it back.
# if hm.expected_codes:
# body['response_status'] = hm.expected_codes
return body
@log_helpers.log_method_call
def create(self, context, hm):
lb_id = hm.pool.loadbalancer_id
pool_id = hm.pool.id
pool_client = self.core_plugin.nsxlib.load_balancer.pool
monitor_client = self.core_plugin.nsxlib.load_balancer.monitor
monitor_name = utils.get_name_and_uuid(hm.name or 'monitor', hm.id)
tags = lb_utils.get_tags(self.core_plugin, hm.id, lb_const.LB_HM_TYPE,
hm.tenant_id, context.project_name)
monitor_body = self._build_monitor_args(hm)
try:
lb_monitor = monitor_client.create(
display_name=monitor_name, tags=tags, **monitor_body)
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
self.lbv2_driver.health_monitor.failed_completion(context, hm)
binding = nsx_db.get_nsx_lbaas_pool_binding(
context.session, lb_id, pool_id)
if binding:
lb_pool_id = binding['lb_pool_id']
try:
pool_client.add_monitor_to_pool(lb_pool_id,
lb_monitor['id'])
except nsxlib_exc.ManagerError:
self.lbv2_driver.health_monitor.failed_completion(
context, hm)
msg = _('Failed to attach monitor %(monitor)s to pool '
'%(pool)s') % {'monitor': lb_monitor['id'],
'pool': lb_pool_id}
raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
nsx_db.add_nsx_lbaas_monitor_binding(
context.session, lb_id, pool_id, hm.id, lb_monitor['id'],
lb_pool_id)
self.lbv2_driver.health_monitor.successful_completion(context, hm)
@log_helpers.log_method_call
def update(self, context, old_hm, new_hm):
self.lbv2_driver.health_monitor.successful_completion(context, new_hm)
@log_helpers.log_method_call
def delete(self, context, hm):
lb_id = hm.pool.loadbalancer_id
pool_id = hm.pool.id
pool_client = self.core_plugin.nsxlib.load_balancer.pool
monitor_client = self.core_plugin.nsxlib.load_balancer.monitor
binding = nsx_db.get_nsx_lbaas_monitor_binding(
context.session, lb_id, pool_id, hm.id)
if binding:
lb_monitor_id = binding['lb_monitor_id']
lb_pool_id = binding['lb_pool_id']
try:
pool_client.remove_monitor_from_pool(lb_pool_id,
lb_monitor_id)
except nsxlib_exc.ManagerError:
self.lbv2_driver.health_monitor.failed_completion(
context, hm)
msg = _('Failed to remove monitor %(monitor)s from pool '
'%(pool)s') % {'monitor': lb_monitor_id,
'pool': lb_pool_id}
raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
try:
monitor_client.delete(lb_monitor_id)
except nsxlib_exc.ManagerError:
self.lbv2_driver.health_monitor.failed_completion(
context, hm)
msg = _('Failed to delete monitor %(monitor)s from '
'backend') % {'monitor': lb_monitor_id}
raise n_exc.BadRequest(resource='lbaas-hm', msg=msg)
nsx_db.delete_nsx_lbaas_monitor_binding(context.session, lb_id,
pool_id, hm.id)
self.lbv2_driver.health_monitor.successful_completion(
context, hm, delete=True)