def update(self, context, old_pool, new_pool):
edge_pool = {
'name':
'pool_' + new_pool.id,
'description':
getattr(new_pool, 'description', getattr(new_pool, 'name')),
'algorithm':
lb_const.BALANCE_MAP.get(new_pool.lb_algorithm, 'round-robin'),
'transparent':
False
}
if new_pool.listener:
listener = new_pool.listener
lb_id = listener.loadbalancer_id
else:
lb_id = new_pool.loadbalancer_id
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, lb_id, new_pool.id)
edge_id = lb_binding['edge_id']
edge_pool_id = pool_binding['edge_pool_id']
try:
with locking.LockManager.get_lock(edge_id):
# get the configured monitor-id
org_edge_pool = self.vcns.get_pool(edge_id, edge_pool_id)[1]
monitor_id = org_edge_pool.get('monitorId')
if monitor_id:
edge_pool['monitorId'] = monitor_id
# Keep the current members
if org_edge_pool.get('member'):
edge_pool['member'] = org_edge_pool['member']
self.vcns.update_pool(edge_id, edge_pool_id, edge_pool)
self.lbv2_driver.pool.successful_completion(context, new_pool)
# if the the session_persistence was changed,
# we may need to update the listener application profile
if new_pool.listener:
old_sess_persist = old_pool.session_persistence
new_sess_persist = new_pool.session_persistence
if new_sess_persist != old_sess_persist:
listener_mgr.update_app_profile(self.vcns, context,
new_pool.listener, edge_id)
except nsxv_exc.VcnsApiException:
with excutils.save_and_reraise_exception():
self.lbv2_driver.pool.failed_completion(context, new_pool)
LOG.error('Failed to update pool %s', new_pool.id)
def delete(self, context, pool):
lb_id = pool.loadbalancer_id
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, lb_id, pool.id)
edge_id = lb_binding['edge_id']
if not pool_binding:
self.lbv2_driver.pool.successful_completion(context,
pool,
delete=True)
return
edge_pool_id = pool_binding['edge_pool_id']
listeners_to_update = []
try:
if pool.listeners:
for listener in pool.listeners:
# the pool session persistence may affect the associated
# pool application profile
if (pool.session_persistence and listener.default_pool
and listener.default_pool.id == pool.id):
listeners_to_update.append(listener)
listener_binding = nsxv_db.get_nsxv_lbaas_listener_binding(
context.session, lb_id, listener.id)
vse = listener_mgr.listener_to_edge_vse(
context, listener, lb_binding['vip_address'], None,
listener_binding['app_profile_id'])
with locking.LockManager.get_lock(edge_id):
self.vcns.update_vip(edge_id,
listener_binding['vse_id'], vse)
self.vcns.delete_pool(edge_id, edge_pool_id)
self.lbv2_driver.pool.successful_completion(context,
pool,
delete=True)
nsxv_db.del_nsxv_lbaas_pool_binding(context.session, lb_id,
pool.id)
for listener in listeners_to_update:
# need to update the listeners too, now with no default pool
listener.default_pool = None
listener_mgr.update_app_profile(self.vcns, context, listener,
edge_id)
except nsxv_exc.VcnsApiException:
self.lbv2_driver.pool.failed_completion(context, pool)
LOG.error('Failed to delete pool %s', pool.id)
def create(self, context, pool):
edge_pool = {
'name': 'pool_' + pool.id,
'description': getattr(pool, 'description', getattr(pool, 'name')),
'algorithm': lb_const.BALANCE_MAP.get(pool.lb_algorithm,
'round-robin'),
'transparent': False
}
lb_id = pool.loadbalancer_id
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
if not lb_binding:
msg = _('No suitable Edge found for pool %s') % pool.id
raise n_exc.BadRequest(resource='edge-lbaas', msg=msg)
edge_id = lb_binding['edge_id']
try:
with locking.LockManager.get_lock(edge_id):
h = self.vcns.create_pool(edge_id, edge_pool)[0]
edge_pool_id = lb_common.extract_resource_id(h['location'])
nsxv_db.add_nsxv_lbaas_pool_binding(context.session, lb_id,
pool.id, edge_pool_id)
if pool.listener:
listener_binding = nsxv_db.get_nsxv_lbaas_listener_binding(
context.session, lb_id, pool.listener.id)
# Associate listener with pool
vse = listener_mgr.listener_to_edge_vse(
context, pool.listener, lb_binding['vip_address'],
edge_pool_id, listener_binding['app_profile_id'])
with locking.LockManager.get_lock(edge_id):
self.vcns.update_vip(edge_id, listener_binding['vse_id'],
vse)
# This action also set this pool as the default pool of the
# listener, so the application profile may need to be updated
if pool.session_persistence:
listener_mgr.update_app_profile(self.vcns, context,
pool.listener, edge_id)
self.lbv2_driver.pool.successful_completion(context, pool)
except nsxv_exc.VcnsApiException:
with excutils.save_and_reraise_exception():
self.lbv2_driver.pool.failed_completion(context, pool)
LOG.error('Failed to create pool %s', pool.id)
