def _remove_ops_dir(self, ops_dir_path):
# Just a sanity check. An ops dir under the active directory
# could be in active state, and so we should not remove it.
ASSERT.not_equal(ops_dir_path.parent.name, _ACTIVE)
ops_dir = self.ops_dir_type(ops_dir_path)
ops_dir.uninstall()
ops_dir.path.rmdir()
def cmd_prepare(pod_id, config_path):
"""Prepare a pod directory, or no-op if pod exists."""
oses.assert_root_privilege()
# Make sure that it is safe to create a pod with this ID.
ASSERT.not_equal(
models.pod_id_to_machine_id(pod_id),
models.read_host_machine_id(),
)
# Check before really preparing the pod.
if g1.files.lexists(_get_pod_dir_path(pod_id)):
LOG.info('skip duplicated pod: %s', pod_id)
return
config = jsons.load_dataobject(models.PodConfig, config_path)
tmp_path = _create_tmp_pod_dir()
try:
_prepare_pod_dir(tmp_path, pod_id, config)
with locks.acquiring_exclusive(_get_active_path()):
if _maybe_move_pod_dir_to_active(tmp_path, pod_id):
tmp_path = None
else:
LOG.info('skip duplicated pod: %s', pod_id)
finally:
if tmp_path:
_remove_pod_dir(tmp_path)
def rollback_due_to_timeout(self):
ASSERT.not_equal(self._tx_id, 0)
self._tx.rollback()
self._end(self._timeout_tx_ids)