def create(self, context, pool, completor):
lb_id = pool['loadbalancer_id']
pool_client = self.core_plugin.nsxlib.load_balancer.pool
pool_name = utils.get_name_and_uuid(pool['name'] or 'pool', pool['id'])
tags = self._get_pool_tags(context, pool)
description = pool.get('description')
lb_algorithm = lb_const.LB_POOL_ALGORITHM_MAP.get(pool['lb_algorithm'])
if pool.get('listeners') and len(pool['listeners']) > 1:
completor(success=False)
msg = (_('Failed to create pool: Multiple listeners are not '
'supported.'))
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
# NOTE(salv-orlando): Guard against accidental compat breakages
try:
listener = pool['listener'] or pool['listeners'][0]
except IndexError:
# If listeners is an empty list we hit this exception
listener = None
# Perform additional validation for session persistence before
# creating resources in the backend
lb_common.validate_session_persistence(pool, listener, completor)
try:
kwargs = self._get_pool_kwargs(pool_name, tags, lb_algorithm,
description)
lb_pool = pool_client.create(**kwargs)
nsx_db.add_nsx_lbaas_pool_binding(context.session, lb_id,
pool['id'], lb_pool['id'])
except nsxlib_exc.ManagerError:
completor(success=False)
msg = (_('Failed to create pool on NSX backend: %(pool)s') % {
'pool': pool['id']
})
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
# The pool object can be created with either --listener or
# --loadbalancer option. If listener is present, the virtual server
# will be updated with the pool. Otherwise, just return. The binding
# will be added later when the pool is associated with layer7 rule.
# FIXME(salv-orlando): This two-step process can leave a zombie pool on
# NSX if the VS update operation fails
if listener:
listener_id = listener['id']
binding = nsx_db.get_nsx_lbaas_listener_binding(
context.session, lb_id, listener_id)
if binding:
vs_id = binding['lb_vs_id']
self._process_vs_update(context, pool, listener, lb_pool['id'],
vs_id, completor)
nsx_db.update_nsx_lbaas_pool_binding(context.session, lb_id,
pool['id'], vs_id)
else:
completor(success=False)
msg = (_("Couldn't find binding on the listener: %s") %
listener['id'])
raise nsx_exc.NsxPluginException(err_msg=msg)
completor(success=True)
def _remove_default_pool_binding(self, context, listener):
if not listener.get('default_pool_id'):
return
# Remove the current default pool from the DB bindings
lb_id = listener['loadbalancer']['id']
pool_id = listener['default_pool_id']
pool_binding = nsx_db.get_nsx_lbaas_pool_binding(
context.session, lb_id, pool_id)
if pool_binding:
nsx_db.update_nsx_lbaas_pool_binding(context.session, lb_id,
pool_id, None)
def _remove_default_pool_binding(self, context, listener):
if not listener.get('default_pool_id'):
return
# Remove the current default pool from the DB bindings
lb_id = listener['loadbalancer']['id']
pool_id = listener['default_pool_id']
pool_binding = nsx_db.get_nsx_lbaas_pool_binding(
context.session, lb_id, pool_id)
if pool_binding:
nsx_db.update_nsx_lbaas_pool_binding(
context.session, lb_id, pool_id, None)
def create(self, context, pool):
lb_id = pool.loadbalancer_id
pool_client = self.core_plugin.nsxlib.load_balancer.pool
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
pool_name = utils.get_name_and_uuid(pool.name, pool.id)
tags = lb_utils.get_tags(self.core_plugin, pool.id,
lb_const.LB_POOL_TYPE, pool.tenant_id,
context.project_name)
lb_algorithm = lb_const.LB_POOL_ALGORITHM_MAP.get(pool.lb_algorithm)
try:
snat_translation = {'type': "LbSnatAutoMap"}
lb_pool = pool_client.create(display_name=pool_name,
tags=tags,
algorithm=lb_algorithm,
snat_translation=snat_translation)
nsx_db.add_nsx_lbaas_pool_binding(context.session, lb_id, pool.id,
lb_pool['id'])
except nsxlib_exc.ManagerError:
self.lbv2_driver.pool.failed_completion(context, pool)
msg = (_('Failed to create pool on NSX backend: %(pool)s') % {
'pool': pool.id
})
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
# The pool object can be created with either --listener or
# --loadbalancer option. If listener is present, the virtual server
# will be updated with the pool. Otherwise, just return. The binding
# will be added later when the pool is associated with layer7 rule.
if pool.listener:
listener_id = pool.listener.id
binding = nsx_db.get_nsx_lbaas_listener_binding(
context.session, lb_id, listener_id)
if binding:
vs_id = binding['lb_vs_id']
try:
vs_client.update(vs_id, pool_id=lb_pool['id'])
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
self.lbv2_driver.pool.failed_completion(context, pool)
LOG.error(
'Failed to attach pool %s to virtual '
'server %s', lb_pool['id'], vs_id)
nsx_db.update_nsx_lbaas_pool_binding(context.session, lb_id,
pool.id, vs_id)
else:
msg = (_("Couldn't find binding on the listener: %s") %
listener_id)
raise nsx_exc.NsxPluginException(err_msg=msg)
self.lbv2_driver.pool.successful_completion(context, pool)
def create(self, context, pool, completor):
lb_id = pool['loadbalancer_id']
pool_client = self.core_plugin.nsxlib.load_balancer.pool
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
pool_name = utils.get_name_and_uuid(pool['name'] or 'pool', pool['id'])
tags = self._get_pool_tags(context, pool)
description = pool.get('description')
lb_algorithm = lb_const.LB_POOL_ALGORITHM_MAP.get(pool['lb_algorithm'])
try:
kwargs = self._get_pool_kwargs(pool_name, tags, lb_algorithm,
description)
lb_pool = pool_client.create(**kwargs)
nsx_db.add_nsx_lbaas_pool_binding(
context.session, lb_id, pool['id'], lb_pool['id'])
except nsxlib_exc.ManagerError:
completor(success=False)
msg = (_('Failed to create pool on NSX backend: %(pool)s') %
{'pool': pool['id']})
raise n_exc.BadRequest(resource='lbaas-pool', msg=msg)
# The pool object can be created with either --listener or
# --loadbalancer option. If listener is present, the virtual server
# will be updated with the pool. Otherwise, just return. The binding
# will be added later when the pool is associated with layer7 rule.
if pool['listener']:
listener_id = pool['listener']['id']
binding = nsx_db.get_nsx_lbaas_listener_binding(
context.session, lb_id, listener_id)
if binding:
vs_id = binding['lb_vs_id']
try:
vs_client.update(vs_id, pool_id=lb_pool['id'])
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error('Failed to attach pool %s to virtual '
'server %s', lb_pool['id'], vs_id)
nsx_db.update_nsx_lbaas_pool_binding(
context.session, lb_id, pool['id'], vs_id)
else:
msg = (_("Couldn't find binding on the listener: %s") %
listener_id)
raise nsx_exc.NsxPluginException(err_msg=msg)
completor(success=True)
def _update_default_pool_and_binding(self, context, listener, vs_data,
completor):
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
if listener.get('default_pool_id'):
vs_id = vs_data['id']
lb_id = listener['loadbalancer']['id']
pool_id = listener['default_pool_id']
pool = listener['default_pool']
try:
(persistence_profile_id,
post_process_func) = lb_utils.setup_session_persistence(
self.core_plugin.nsxlib, pool,
lb_utils.get_pool_tags(context, self.core_plugin, pool),
listener, vs_data)
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error(
"Failed to configure session persistence "
"profile for listener %s", listener['id'])
try:
# Update persistence profile and pool on virtual server
vs_client.update(vs_id,
persistence_profile_id=persistence_profile_id)
LOG.debug(
"Updated NSX virtual server %(vs_id)s with "
"persistence profile %(prof)s", {
'vs_id': vs_id,
'prof': persistence_profile_id
})
if post_process_func:
post_process_func()
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error(
"Failed to attach persistence profile %s to "
"virtual server %s", persistence_profile_id, vs_id)
# Update the DB binding of the default pool
nsx_db.update_nsx_lbaas_pool_binding(context.session, lb_id,
pool_id, vs_id)
def _update_default_pool_and_binding(self, context, listener, vs_data,
completor):
vs_client = self.core_plugin.nsxlib.load_balancer.virtual_server
if listener.get('default_pool_id'):
vs_id = vs_data['id']
lb_id = listener['loadbalancer']['id']
pool_id = listener['default_pool_id']
pool = listener['default_pool']
try:
(persistence_profile_id,
post_process_func) = lb_utils.setup_session_persistence(
self.core_plugin.nsxlib,
pool,
lb_utils.get_pool_tags(context, self.core_plugin, pool),
listener, vs_data)
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error("Failed to configure session persistence "
"profile for listener %s", listener['id'])
try:
# Update persistence profile and pool on virtual server
vs_client.update(
vs_id,
persistence_profile_id=persistence_profile_id)
LOG.debug("Updated NSX virtual server %(vs_id)s with "
"persistence profile %(prof)s",
{'vs_id': vs_id,
'prof': persistence_profile_id})
if post_process_func:
post_process_func()
except nsxlib_exc.ManagerError:
with excutils.save_and_reraise_exception():
completor(success=False)
LOG.error("Failed to attach persistence profile %s to "
"virtual server %s",
persistence_profile_id, vs_id)
# Update the DB binding of the default pool
nsx_db.update_nsx_lbaas_pool_binding(
context.session, lb_id, pool_id, vs_id)
def delete(self, context, listener, completor):
lb_id = listener['loadbalancer_id']
nsxlib_lb = self.core_plugin.nsxlib.load_balancer
service_client = nsxlib_lb.service
vs_client = nsxlib_lb.virtual_server
app_client = nsxlib_lb.application_profile
binding = nsx_db.get_nsx_lbaas_listener_binding(
context.session, lb_id, listener['id'])
if binding:
vs_id = binding['lb_vs_id']
app_profile_id = binding['app_profile_id']
lb_binding = nsx_db.get_nsx_lbaas_loadbalancer_binding(
context.session, lb_id)
if lb_binding:
try:
lbs_id = lb_binding.get('lb_service_id')
lb_service = service_client.get(lbs_id)
vs_list = lb_service.get('virtual_server_ids')
if vs_list and vs_id in vs_list:
service_client.remove_virtual_server(lbs_id, vs_id)
except nsxlib_exc.ManagerError:
completor(success=False)
msg = (_('Failed to remove virtual server: %(listener)s '
'from lb service %(lbs)s') % {
'listener': listener['id'],
'lbs': lbs_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
try:
if listener.get('default_pool_id'):
vs_client.update(vs_id, pool_id='')
# Update pool binding to disassociate virtual server
pool_binding = nsx_db.get_nsx_lbaas_pool_binding(
context.session, lb_id, listener['default_pool_id'])
if pool_binding:
nsx_db.update_nsx_lbaas_pool_binding(
context.session, lb_id,
listener['default_pool_id'], None)
vs_client.delete(vs_id)
except nsx_exc.NsxResourceNotFound:
msg = (_("virtual server not found on nsx: %(vs)s") % {
'vs': vs_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
except nsxlib_exc.ManagerError:
completor(success=False)
msg = (_('Failed to delete virtual server: %(listener)s') % {
'listener': listener['id']
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
try:
app_client.delete(app_profile_id)
except nsx_exc.NsxResourceNotFound:
msg = (_("application profile not found on nsx: %s") %
app_profile_id)
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
except nsxlib_exc.ManagerError:
completor(success=False)
msg = (_('Failed to delete application profile: %(app)s') % {
'app': app_profile_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
# Delete imported NSX cert if there is any
cert_tags = [{
'scope': lb_const.LB_LISTENER_TYPE,
'tag': listener['id']
}]
results = self.core_plugin.nsxlib.search_by_tags(tags=cert_tags)
# Only delete object related to certificate used by listener
for res_obj in results['results']:
res_type = res_obj.get('resource_type')
if res_type in lb_const.LB_CERT_RESOURCE_TYPE:
tm_client = self.core_plugin.nsxlib.trust_management
try:
tm_client.delete_cert(res_obj['id'])
except nsxlib_exc.ManagerError:
LOG.error(
"Exception thrown when trying to delete "
"certificate: %(cert)s", {'cert': res_obj['id']})
nsx_db.delete_nsx_lbaas_listener_binding(context.session, lb_id,
listener['id'])
completor(success=True)
def delete(self, context, listener):
lb_id = listener.loadbalancer_id
load_balancer = self.core_plugin.nsxlib.load_balancer
service_client = load_balancer.service
vs_client = load_balancer.virtual_server
app_client = load_balancer.application_profile
binding = nsx_db.get_nsx_lbaas_listener_binding(
context.session, lb_id, listener.id)
if binding:
vs_id = binding['lb_vs_id']
app_profile_id = binding['app_profile_id']
lb_binding = nsx_db.get_nsx_lbaas_loadbalancer_binding(
context.session, lb_id)
if lb_binding:
try:
lbs_id = lb_binding.get('lb_service_id')
lb_service = service_client.get(lbs_id)
vs_list = lb_service.get('virtual_server_ids')
if vs_list and vs_id in vs_list:
service_client.remove_virtual_server(lbs_id, vs_id)
except nsxlib_exc.ManagerError:
self.lbv2_driver.listener.failed_completion(
context, listener)
msg = (_('Failed to remove virtual server: %(listener)s '
'from lb service %(lbs)s') % {
'listener': listener.id,
'lbs': lbs_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
try:
if listener.default_pool_id:
vs_client.update(vs_id, pool_id='')
# Update pool binding to disassociate virtual server
pool_binding = nsx_db.get_nsx_lbaas_pool_binding(
context.session, lb_id, listener.default_pool_id)
if pool_binding:
nsx_db.update_nsx_lbaas_pool_binding(
context.session, lb_id, listener.default_pool_id,
None)
vs_client.delete(vs_id)
except nsx_exc.NsxResourceNotFound:
msg = (_("virtual server not found on nsx: %(vs)s") % {
'vs': vs_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
except nsxlib_exc.ManagerError:
self.lbv2_driver.listener.failed_completion(context, listener)
msg = (_('Failed to delete virtual server: %(listener)s') % {
'listener': listener.id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
try:
app_client.delete(app_profile_id)
except nsx_exc.NsxResourceNotFound:
msg = (_("application profile not found on nsx: %s") %
app_profile_id)
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
except nsxlib_exc.ManagerError:
self.lbv2_driver.listener.failed_completion(context, listener)
msg = (_('Failed to delete application profile: %(app)s') % {
'app': app_profile_id
})
raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
nsx_db.delete_nsx_lbaas_listener_binding(context.session, lb_id,
listener.id)
self.lbv2_driver.listener.successful_completion(context,
listener,
delete=True)
