def calculate(session, operation, object_type, object_uuid, data):
"""Calculate resource deps in journaled operations.
As a rule of thumb validation takes into consideration only operations in
pending or processing state, other states are irrelevant.
:param session: db session
:param row: entry in journal entry to be validated
"""
deps = []
if operation == odl_const.ODL_DELETE:
return _get_delete_dependencies(session, object_type, object_uuid)
elif operation == odl_const.ODL_UPDATE:
deps.extend(
db.get_pending_or_processing_ops(session,
object_uuid,
operation=(odl_const.ODL_CREATE,
odl_const.ODL_UPDATE)))
elif operation != odl_const.ODL_CREATE:
raise ValueError(_("unsupported operation {}").format(operation))
# Validate deps if there are any to validate.
dep_generator = _CREATE_OR_UPDATE_DEP_GENERATOR.get(object_type)
if dep_generator is not None:
object_ids = dep_generator(data)
if object_ids is not None:
deps.extend(_get_older_operations(session, object_ids))
return deps
def calculate(context, operation, object_type, object_uuid, data):
"""Calculate resource deps in journaled operations.
As a rule of thumb validation takes into consideration only operations in
pending or processing state, other states are irrelevant.
:param context: enginefacade context
:param row: entry in journal entry to be validated
"""
deps = []
if operation == odl_const.ODL_DELETE:
return _get_delete_dependencies(context, object_type, object_uuid)
elif operation == odl_const.ODL_UPDATE:
deps.extend(
db.get_pending_or_processing_ops(
context, object_uuid,
operation=(odl_const.ODL_CREATE, odl_const.ODL_UPDATE)))
elif operation != odl_const.ODL_CREATE:
raise ValueError(_("unsupported operation {}").format(operation))
# Validate deps if there are any to validate.
dep_generator = _CREATE_OR_UPDATE_DEP_GENERATOR.get(object_type)
if dep_generator is not None:
object_ids = dep_generator(data)
if object_ids is not None:
deps.extend(_get_older_operations(context, object_ids))
return deps
def _test_validate_updates(self, first_entry, second_entry, expected_deps,
state=None):
db.create_pending_row(self.db_context, *first_entry)
if state:
row = db.get_all_db_rows(self.db_context)[0]
row.state = state
self._update_row(row)
deps = db.get_pending_or_processing_ops(
self.db_context, second_entry[1], second_entry[2])
self.assertEqual(expected_deps, len(deps) != 0)
def _get_older_operations(session, object_ids):
"""Get any older operations.
Return any operations still in the queue for the given ID(s).
"""
if not isinstance(object_ids, (list, tuple)):
object_ids = (object_ids, )
deps = []
for object_id in object_ids:
deps.extend(db.get_pending_or_processing_ops(session, object_id))
return deps
def _get_older_operations(context, object_ids):
"""Get any older operations.
Return any operations still in the queue for the given ID(s).
"""
if not isinstance(object_ids, (list, tuple)):
object_ids = (object_ids,)
deps = []
for object_id in object_ids:
deps.extend(
db.get_pending_or_processing_ops(context, object_id))
return deps
def _test_validate_updates(self,
first_entry,
second_entry,
expected_deps,
state=None):
db.create_pending_row(self.db_session, *first_entry)
if state:
row = db.get_all_db_rows(self.db_session)[0]
row.state = state
self._update_row(row)
deps = db.get_pending_or_processing_ops(self.db_session,
second_entry[1],
second_entry[2])
self.assertEqual(expected_deps, len(deps) != 0)
def _get_delete_dependencies(context, object_type, object_uuid):
"""Get dependent operations for a delete operation.
Return any operations that pertain to the delete: Either create
or update operations on the same object, or delete operations on other
objects that depend on the deleted object.
"""
# Get any pending or processing create or update ops on the row itself
deps = db.get_pending_or_processing_ops(
context, object_uuid, operation=(odl_const.ODL_UPDATE,
odl_const.ODL_CREATE))
# Get dependent operations of other dependent types
dependent_resource_types = _DELETE_DEPENDENCIES.get(object_type)
if dependent_resource_types is not None:
for resource_type in dependent_resource_types:
deps.extend(db.get_pending_delete_ops_with_parent(
context, resource_type, object_uuid))
return deps
def _get_delete_dependencies(session, object_type, object_uuid):
"""Get dependent operations for a delete operation.
Return any operations that pertain to the delete: Either create
or update operations on the same object, or delete operations on other
objects that depend on the deleted object.
"""
# Get any pending or processing create or update ops on the row itself
deps = db.get_pending_or_processing_ops(session,
object_uuid,
operation=(odl_const.ODL_UPDATE,
odl_const.ODL_CREATE))
# Get dependent operations of other dependent types
dependent_resource_types = _DELETE_DEPENDENCIES.get(object_type)
if dependent_resource_types is not None:
for resource_type in dependent_resource_types:
deps.extend(
db.get_pending_delete_ops_with_parent(session, resource_type,
object_uuid))
return deps
def _canary_network_not_in_journal(context):
return not db.get_pending_or_processing_ops(
context.session, _CANARY_NETWORK_ID, operation=odl_const.ODL_CREATE)
def _canary_network_not_in_journal(context):
return not db.get_pending_or_processing_ops(
context, _CANARY_NETWORK_ID, operation=odl_const.ODL_CREATE)
