def put(self, id, pool_):
"""Updates a pool on a load balancer."""
pool = pool_.pool
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id)
self._auth_validate_action(context, db_pool.project_id,
constants.RBAC_PUT)
self._test_lb_and_listener_statuses(
context.session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
self.repositories.pool.update(
context.session,
db_pool.id,
provisioning_status=constants.PENDING_UPDATE)
try:
LOG.info("Sending Update of Pool %s to handler", id)
self.handler.update(db_pool, pool)
except Exception:
with excutils.save_and_reraise_exception(
reraise=False), db_api.get_lock_session() as lock_session:
self._reset_lb_and_listener_statuses(
lock_session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
# Pool now goes to ERROR
self.repositories.pool.update(
lock_session,
db_pool.id,
provisioning_status=constants.ERROR)
db_pool = self._get_db_pool(context.session, id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def delete(self, id):
"""Deletes a pool from a load balancer."""
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id)
if len(db_pool.l7policies) > 0:
raise exceptions.PoolInUseByL7Policy(
id=db_pool.id, l7policy_id=db_pool.l7policies[0].id)
self._test_lb_and_listener_statuses(
context.session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
self.repositories.pool.update(
context.session,
db_pool.id,
provisioning_status=constants.PENDING_DELETE)
try:
LOG.info(_LI("Sending Deletion of Pool %s to handler"), db_pool.id)
self.handler.delete(db_pool)
except Exception:
with (excutils.save_and_reraise_exception(reraise=False)
and db_api.get_lock_session()):
self._reset_lb_and_listener_statuses(
context.session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
# Pool now goes to ERROR
self.repositories.pool.update(
context.session,
db_pool.id,
provisioning_status=constants.ERROR)
db_pool = self.repositories.pool.get(context.session, id=db_pool.id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def put(self, id, pool_):
"""Updates a pool on a load balancer."""
pool = pool_.pool
context = pecan_request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id, show_deleted=False)
project_id, provider = self._get_lb_project_id_provider(
context.session, db_pool.load_balancer_id)
self._auth_validate_action(context, project_id, constants.RBAC_PUT)
if pool.tls_versions is None:
pool.tls_versions = CONF.api_settings.default_pool_tls_versions
if pool.tls_ciphers is None:
pool.tls_ciphers = CONF.api_settings.default_pool_ciphers
if (pool.session_persistence and not pool.session_persistence.type
and db_pool.session_persistence
and db_pool.session_persistence.type):
pool.session_persistence.type = db_pool.session_persistence.type
self._validate_pool_PUT(pool, db_pool)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
with db_api.get_lock_session() as lock_session:
self._test_lb_and_listener_statuses(
context.session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
# Prepare the data for the driver data model
pool_dict = pool.to_dict(render_unsets=False)
pool_dict['id'] = id
provider_pool_dict = (
driver_utils.pool_dict_to_provider_dict(pool_dict))
# Also prepare the baseline object data
old_provider_pool = driver_utils.db_pool_to_provider_pool(
db_pool, for_delete=True)
# Dispatch to the driver
LOG.info("Sending update Pool %s to provider %s", id, driver.name)
driver_utils.call_provider(
driver.name, driver.pool_update, old_provider_pool,
driver_dm.Pool.from_dict(provider_pool_dict))
# Update the database to reflect what the driver just accepted
pool.provisioning_status = constants.PENDING_UPDATE
db_pool_dict = pool.to_dict(render_unsets=False)
self.repositories.update_pool_and_sp(lock_session, id,
db_pool_dict)
# Force SQL alchemy to query the DB, otherwise we get inconsistent
# results
context.session.expire_all()
db_pool = self._get_db_pool(context.session, id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def get(self, id):
"""Gets a pool's details."""
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id)
self._auth_validate_action(context, db_pool.project_id,
constants.RBAC_GET_ONE)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def get(self, id, fields=None):
"""Gets a pool's details."""
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id, show_deleted=False)
self._auth_validate_action(context, db_pool.project_id,
constants.RBAC_GET_ONE)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
if fields is not None:
result = self._filter_fields([result], fields)[0]
return pool_types.PoolRootResponse(pool=result)
def _send_pool_to_handler(self, session, db_pool, listener_id):
try:
LOG.info(_LI("Sending Creation of Pool %s to handler"), db_pool.id)
self.handler.create(db_pool)
except Exception:
with (excutils.save_and_reraise_exception(reraise=False)
and db_api.get_lock_session()):
self._reset_lb_and_listener_statuses(
session,
lb_id=db_pool.load_balancer_id,
listener_ids=[listener_id] if listener_id else [])
# Pool now goes to ERROR
self.repositories.pool.update(
session, db_pool.id, provisioning_status=constants.ERROR)
db_pool = self._get_db_pool(session, db_pool.id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def post(self, pool_):
"""Creates a pool on a load balancer or listener.
Note that this can optionally take a listener_id with which the pool
should be associated as the listener's default_pool. If specified,
the pool creation will fail if the listener specified already has
a default_pool.
"""
# For some API requests the listener_id will be passed in the
# pool_dict:
pool = pool_.pool
context = pecan.request.context.get('octavia_context')
if pool.loadbalancer_id:
pool.project_id, provider = self._get_lb_project_id_provider(
context.session, pool.loadbalancer_id)
elif pool.listener_id:
listener = self.repositories.listener.get(context.session,
id=pool.listener_id)
pool.loadbalancer_id = listener.load_balancer_id
pool.project_id, provider = self._get_lb_project_id_provider(
context.session, pool.loadbalancer_id)
else:
msg = _("Must provide at least one of: "
"loadbalancer_id, listener_id")
raise exceptions.ValidationException(detail=msg)
self._auth_validate_action(context, pool.project_id,
constants.RBAC_POST)
if pool.session_persistence:
sp_dict = pool.session_persistence.to_dict(render_unsets=False)
validate.check_session_persistence(sp_dict)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
lock_session = db_api.get_session(autocommit=False)
try:
if self.repositories.check_quota_met(context.session, lock_session,
data_models.Pool,
pool.project_id):
raise exceptions.QuotaException(
resource=data_models.Pool._name())
listener_repo = self.repositories.listener
pool_dict = db_prepare.create_pool(
pool.to_dict(render_unsets=True))
listener_id = pool_dict.pop('listener_id', None)
if listener_id:
if listener_repo.has_default_pool(lock_session, listener_id):
raise exceptions.DuplicatePoolEntry()
self._test_lb_and_listener_statuses(
lock_session,
lb_id=pool_dict['load_balancer_id'],
listener_ids=[listener_id] if listener_id else [])
db_pool = self._validate_create_pool(lock_session, pool_dict,
listener_id)
# Prepare the data for the driver data model
provider_pool = (driver_utils.db_pool_to_provider_pool(db_pool))
# Dispatch to the driver
LOG.info("Sending create Pool %s to provider %s", db_pool.id,
driver.name)
driver_utils.call_provider(driver.name, driver.pool_create,
provider_pool)
lock_session.commit()
except Exception:
with excutils.save_and_reraise_exception():
lock_session.rollback()
db_pool = self._get_db_pool(context.session, db_pool.id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def get(self, id):
"""Gets a pool's details."""
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
def put(self, id, pool_):
"""Updates a pool on a load balancer."""
pool = pool_.pool
context = pecan.request.context.get('octavia_context')
db_pool = self._get_db_pool(context.session, id, show_deleted=False)
project_id, provider = self._get_lb_project_id_provider(
context.session, db_pool.load_balancer_id)
if (pool.session_persistence and not pool.session_persistence.type
and db_pool.session_persistence
and db_pool.session_persistence.type):
pool.session_persistence.type = db_pool.session_persistence.type
self._auth_validate_action(context, project_id, constants.RBAC_PUT)
if db_pool.protocol == constants.PROTOCOL_UDP:
self._validate_pool_request_for_udp(pool)
else:
if (pool.session_persistence
and (pool.session_persistence.persistence_timeout
or pool.session_persistence.persistence_granularity)):
raise exceptions.ValidationException(
detail=_("persistence_timeout and persistence_granularity "
"is only for UDP protocol pools."))
if pool.session_persistence:
sp_dict = pool.session_persistence.to_dict(render_unsets=False)
validate.check_session_persistence(sp_dict)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
with db_api.get_lock_session() as lock_session:
self._test_lb_and_listener_statuses(
context.session,
lb_id=db_pool.load_balancer_id,
listener_ids=self._get_affected_listener_ids(db_pool))
# Prepare the data for the driver data model
pool_dict = pool.to_dict(render_unsets=False)
pool_dict['id'] = id
provider_pool_dict = (
driver_utils.pool_dict_to_provider_dict(pool_dict))
# Also prepare the baseline object data
old_provider_pool = driver_utils.db_pool_to_provider_pool(db_pool)
# Dispatch to the driver
LOG.info("Sending update Pool %s to provider %s", id, driver.name)
driver_utils.call_provider(
driver.name, driver.pool_update, old_provider_pool,
driver_dm.Pool.from_dict(provider_pool_dict))
# Update the database to reflect what the driver just accepted
pool.provisioning_status = constants.PENDING_UPDATE
db_pool_dict = pool.to_dict(render_unsets=False)
self.repositories.update_pool_and_sp(lock_session, id,
db_pool_dict)
# Force SQL alchemy to query the DB, otherwise we get inconsistent
# results
context.session.expire_all()
db_pool = self._get_db_pool(context.session, id)
result = self._convert_db_to_type(db_pool, pool_types.PoolResponse)
return pool_types.PoolRootResponse(pool=result)
