A set of Neutron drivers for the VMware NSX.
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# Copyright 2015 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.
import copy
from oslo_log import helpers as log_helpers
from oslo_log import log as logging
from oslo_utils import excutils
from neutron_lib import exceptions as n_exc
from vmware_nsx._i18n import _
from vmware_nsx.common import exceptions as nsxv_exc
from vmware_nsx.common import locking
from vmware_nsx.db import nsxv_db
from vmware_nsx.plugins.nsx_v.vshield.common import exceptions as vcns_exc
from vmware_nsx.services.lbaas import base_mgr
from vmware_nsx.services.lbaas import lb_common
from vmware_nsx.services.lbaas import lb_const
from vmware_nsx.services.lbaas.nsx_v import lbaas_common as lb_v_common
LOG = logging.getLogger(__name__)
def listener_to_edge_app_profile(listener, edge_cert_id):
edge_app_profile = {
'insertXForwardedFor': False,
'name': listener['id'],
'serverSslEnabled': False,
'sslPassthrough': False,
'template': lb_const.PROTOCOL_MAP[listener['protocol']],
}
if (listener['protocol'] == lb_const.LB_PROTOCOL_HTTPS or
listener['protocol'] == lb_const.LB_PROTOCOL_TERMINATED_HTTPS):
if edge_cert_id:
edge_app_profile['clientSsl'] = {
'caCertificate': [],
'clientAuth': 'ignore',
'crlCertificate': [],
'serviceCertificate': [edge_cert_id]}
else:
edge_app_profile['sslPassthrough'] = True
if (listener.get('default_pool') and
listener['default_pool'].get('session_persistence')):
pool_sess_persist = listener['default_pool']['session_persistence']
sess_persist_type = pool_sess_persist['type']
persistence = {
'method':
lb_const.SESSION_PERSISTENCE_METHOD_MAP.get(
sess_persist_type)}
if (sess_persist_type in
lb_const.SESSION_PERSISTENCE_COOKIE_MAP):
cookie_name = pool_sess_persist.get('cookie_name', None)
if cookie_name is None:
cookie_name = lb_const.SESSION_PERSISTENCE_DEFAULT_COOKIE_NAME
persistence.update({
'cookieName': cookie_name,
'cookieMode': lb_const.SESSION_PERSISTENCE_COOKIE_MAP[
sess_persist_type]})
edge_app_profile['persistence'] = persistence
return edge_app_profile
def listener_to_edge_vse(context, listener, vip_address, default_pool,
app_profile_id):
if listener['connection_limit']:
connection_limit = max(0, listener['connection_limit'])
else:
connection_limit = 0
vse = {
'name': 'vip_' + listener['id'],
'description': listener['description'],
'ipAddress': vip_address,
'protocol': lb_const.PROTOCOL_MAP[listener['protocol']],
'port': listener['protocol_port'],
'connectionLimit': connection_limit,
'defaultPoolId': default_pool,
'accelerationEnabled': (
listener['protocol'] == lb_const.LB_PROTOCOL_TCP),
'applicationProfileId': app_profile_id,
'enabled': listener['admin_state_up']}
# Add the L7 policies
if listener['l7_policies']:
app_rule_ids = []
for pol in listener['l7_policies']:
binding = nsxv_db.get_nsxv_lbaas_l7policy_binding(
context.session, pol['id'])
if binding:
app_rule_ids.append(binding['edge_app_rule_id'])
vse['applicationRuleId'] = app_rule_ids
return vse
def update_app_profile(vcns, context, listener, edge_id, edge_cert_id=None):
lb_id = listener['loadbalancer_id']
listener_binding = nsxv_db.get_nsxv_lbaas_listener_binding(
context.session, lb_id, listener['id'])
if not listener_binding:
return
app_profile_id = listener_binding['app_profile_id']
app_profile = listener_to_edge_app_profile(listener, edge_cert_id)
with locking.LockManager.get_lock(edge_id):
vcns.update_app_profile(
edge_id, app_profile_id, app_profile)
return app_profile_id
class EdgeListenerManagerFromDict(base_mgr.EdgeLoadbalancerBaseManager):
@log_helpers.log_method_call
def __init__(self, vcns_driver):
super(EdgeListenerManagerFromDict, self).__init__(vcns_driver)
def _upload_certificate(self, context, edge_id, cert_id, certificate):
cert_binding = nsxv_db.get_nsxv_lbaas_certificate_binding(
context.session, cert_id, edge_id)
if cert_binding:
return cert_binding['edge_cert_id']
request = {
'pemEncoding': certificate.get('certificate'),
'privateKey': certificate.get('private_key')}
passphrase = certificate.get('passphrase')
if passphrase:
request['passphrase'] = passphrase
cert_obj = self.vcns.upload_edge_certificate(edge_id, request)[1]
cert_list = cert_obj.get('certificates', {})
if cert_list:
if len(cert_list) > 1:
LOG.warning(
'Certificate object contains multiple certificates. '
'Using first signed certificate of the bundle')
edge_cert_id = None
for cert in cert_list:
if cert['certificateType'] == 'certificate_signed':
edge_cert_id = cert['objectId']
break
if not edge_cert_id:
error = _("No signed certificate found in certificate bundle")
raise nsxv_exc.NsxPluginException(err_msg=error)
else:
error = _("Failed to upload a certificate to edge %s") % edge_id
raise nsxv_exc.NsxPluginException(err_msg=error)
nsxv_db.add_nsxv_lbaas_certificate_binding(
context.session, cert_id, edge_id, edge_cert_id)
return edge_cert_id
def create(self, context, listener, completor, certificate=None):
default_pool = None
lb_id = listener['loadbalancer_id']
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
edge_id = lb_binding['edge_id']
# Validate the listener protocol
if (listener.get('protocol') and
listener['protocol'] not in lb_const.PROTOCOL_MAP):
completor(success=False)
msg = (_("Listener protocol %s is not supported") %
listener['protocol'])
raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
if listener.get('default_pool') and listener['default_pool'].get('id'):
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, lb_id, listener['default_pool']['id'])
if pool_binding:
default_pool = pool_binding['edge_pool_id']
edge_cert_id = None
if certificate:
try:
edge_cert_id = self._upload_certificate(
context, edge_id, certificate['ref'],
certificate)
except Exception:
with excutils.save_and_reraise_exception():
completor(success=False)
app_profile = listener_to_edge_app_profile(listener, edge_cert_id)
app_profile_id = None
try:
with locking.LockManager.get_lock(edge_id):
h = (self.vcns.create_app_profile(edge_id, app_profile))[0]
app_profile_id = lb_v_common.extract_resource_id(h['location'])
except vcns_exc.VcnsApiException:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error('Failed to create app profile on edge: %s',
lb_binding['edge_id'])
vse = listener_to_edge_vse(context, listener,
lb_binding['vip_address'],
default_pool,
app_profile_id)
try:
with locking.LockManager.get_lock(edge_id):
h = self.vcns.create_vip(edge_id, vse)[0]
edge_vse_id = lb_v_common.extract_resource_id(h['location'])
nsxv_db.add_nsxv_lbaas_listener_binding(context.session,
lb_id,
listener['id'],
app_profile_id,
edge_vse_id)
completor(success=True)
except vcns_exc.VcnsApiException:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error('Failed to create vip on Edge: %s', edge_id)
self.vcns.delete_app_profile(edge_id, app_profile_id)
def update(self, context, old_listener, new_listener, completor,
certificate=None):
default_pool = None
if (new_listener.get('default_pool') and
new_listener['default_pool'].get('id')):
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, new_listener['loadbalancer_id'],
new_listener['default_pool']['id'])
if pool_binding:
default_pool = pool_binding['edge_pool_id']
else:
LOG.error("Couldn't find pool binding for pool %s",
new_listener['default_pool']['id'])
lb_id = new_listener['loadbalancer_id']
listener_binding = nsxv_db.get_nsxv_lbaas_listener_binding(
context.session, lb_id, new_listener['id'])
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
edge_id = lb_binding['edge_id']
edge_cert_id = None
if certificate:
if (lb_common.get_listener_cert_ref(old_listener) !=
lb_common.get_listener_cert_ref(new_listener)):
try:
edge_cert_id = self._upload_certificate(
context, edge_id,
certificate['ref'],
certificate)
except Exception:
with excutils.save_and_reraise_exception():
completor(success=False)
else:
cert_binding = nsxv_db.get_nsxv_lbaas_certificate_binding(
context.session, certificate['ref'],
edge_id)
edge_cert_id = cert_binding['edge_cert_id']
try:
app_profile_id = update_app_profile(
self.vcns, context, new_listener,
edge_id, edge_cert_id=edge_cert_id)
vse = listener_to_edge_vse(context, new_listener,
lb_binding['vip_address'],
default_pool,
app_profile_id)
with locking.LockManager.get_lock(edge_id):
self.vcns.update_vip(edge_id, listener_binding['vse_id'], vse)
completor(success=True)
except vcns_exc.VcnsApiException:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error('Failed to update app profile on edge: %s',
edge_id)
def delete(self, context, listener, completor):
lb_id = listener['loadbalancer_id']
listener_binding = nsxv_db.get_nsxv_lbaas_listener_binding(
context.session, lb_id, listener['id'])
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
if lb_binding and listener_binding:
edge_id = lb_binding['edge_id']
edge_vse_id = listener_binding['vse_id']
app_profile_id = listener_binding['app_profile_id']
try:
with locking.LockManager.get_lock(edge_id):
self.vcns.delete_vip(edge_id, edge_vse_id)
except (vcns_exc.ResourceNotFound, vcns_exc.RequestBad):
LOG.error('vip not found on edge: %s', edge_id)
except vcns_exc.VcnsApiException:
LOG.error('Failed to delete vip on edge: %s', edge_id)
try:
with locking.LockManager.get_lock(edge_id):
self.vcns.delete_app_profile(edge_id, app_profile_id)
except (vcns_exc.ResourceNotFound, vcns_exc.RequestBad):
LOG.error('app profile not found on edge: %s', edge_id)
except vcns_exc.VcnsApiException:
LOG.error('Failed to delete app profile on Edge: %s', edge_id)
nsxv_db.del_nsxv_lbaas_listener_binding(context.session, lb_id,
listener['id'])
completor(success=True)
def delete_cascade(self, context, listener, completor):
self.delete(context, listener, completor)
def stats_getter(context, core_plugin, ignore_list=None):
"""Update Octavia statistics for each listener (virtual server)"""
stat_list = []
vcns = core_plugin.nsx_v.vcns
# go over all LB edges
bindings = nsxv_db.get_nsxv_lbaas_loadbalancer_bindings(context.session)
for binding in bindings:
lb_id = binding['loadbalancer_id']
if ignore_list and lb_id in ignore_list:
continue
edge_id = binding['edge_id']
try:
lb_stats = vcns.get_loadbalancer_statistics(edge_id)
virtual_servers_stats = lb_stats[1].get('virtualServer', [])
for vs_stats in virtual_servers_stats:
# Get the stats of the virtual server
stats = copy.copy(lb_const.LB_EMPTY_STATS)
stats['bytes_in'] += vs_stats.get('bytesIn', 0)
stats['bytes_out'] += vs_stats.get('bytesOut', 0)
stats['active_connections'] += vs_stats.get('curSessions', 0)
stats['total_connections'] += vs_stats.get('totalSessions', 0)
stats['request_errors'] = 0 # currently unsupported
# Find the listener Id
vs_id = vs_stats.get('virtualServerId')
list_bind = nsxv_db.get_nsxv_lbaas_listener_binding_by_vse(
context.session, lb_id, vs_id)
if not list_bind:
continue
stats['id'] = list_bind['listener_id']
stat_list.append(stats)
except vcns_exc.VcnsApiException as e:
LOG.warning('Failed to read load balancer statistics for %s: %s',
edge_id, e)
return stat_list