def test_constrained_port_update_handles_db_retries(self):
# here we ensure all of the constraint handling logic persists
# on retriable failures to commit caused by races with another
# update
with self.port() as port:
rev = port['port']['revision_number']
new = {'port': {'name': 'nigiri'}}
def concurrent_increment(s):
db_api.sqla_remove(se.Session, 'before_commit',
concurrent_increment)
# slip in a concurrent update that will bump the revision
self._update('ports', port['port']['id'], new)
raise db_exc.DBDeadlock()
db_api.sqla_listen(se.Session, 'before_commit',
concurrent_increment)
self._update('ports', port['port']['id'], new,
headers={'If-Match': 'revision_number=%s' % rev},
expected_code=exc.HTTPPreconditionFailed.code)
def test_constrained_port_update_handles_db_retries(self):
# here we ensure all of the constraint handling logic persists
# on retriable failures to commit caused by races with another
# update
with self.port() as port:
rev = port['port']['revision_number']
new = {'port': {'name': 'nigiri'}}
def concurrent_increment(s):
db_api.sqla_remove(se.Session, 'before_commit',
concurrent_increment)
# slip in a concurrent update that will bump the revision
plugin = directory.get_plugin()
plugin.update_port(nctx.get_admin_context(),
port['port']['id'], new)
raise db_exc.DBDeadlock()
db_api.sqla_listen(se.Session, 'before_commit',
concurrent_increment)
self._update('ports', port['port']['id'], new,
headers={'If-Match': 'revision_number=%s' % rev},
expected_code=exc.HTTPPreconditionFailed.code)
def __init__(self):
super(RevisionPlugin, self).__init__()
db_api.sqla_listen(se.Session, 'before_flush', self.bump_revisions)
db_api.sqla_listen(se.Session, 'after_commit',
self._clear_rev_bumped_flags)
db_api.sqla_listen(se.Session, 'after_rollback',
self._clear_rev_bumped_flags)
def __init__(self):
super(LokiPlugin, self).__init__()
db_api.sqla_listen(se.Session, 'before_flush', self.random_deadlock)
db_api.sqla_listen(se.Session, 'loaded_as_persistent',
self.random_delay)
def __init__(self):
super(RevisionPlugin, self).__init__()
for resource in standard_attr.get_standard_attr_resource_model_map():
db_base_plugin_v2.NeutronDbPluginV2.register_dict_extend_funcs(
resource, [self.extend_resource_dict_revision])
db_api.sqla_listen(se.Session, 'before_flush', self.bump_revisions)
def __init__(self):
super(RevisionPlugin, self).__init__()
db_api.sqla_listen(se.Session, 'before_flush', self.bump_revisions)
def __init__(self):
super(LokiPlugin, self).__init__()
db_api.sqla_listen(se.Session, 'before_flush', self.random_deadlock)
db_api.sqla_listen(se.Session, 'loaded_as_persistent',
self.random_delay)
def __init__(self):
super(RevisionPlugin, self).__init__()
db_api.sqla_listen(se.Session, 'before_flush', self.bump_revisions)
