def request_resume(liveaction, requester):
"""
Request resume for a paused action execution.
:return: (liveaction, execution)
:rtype: tuple
"""
# Validate that the runner type of the action supports pause.
action_db = action_utils.get_action_by_ref(liveaction.action)
if not action_db:
raise ValueError(
'Unable to resume liveaction "%s" because the action "%s" '
"is not found." % (liveaction.id, liveaction.action))
if action_db.runner_type[
"name"] not in action_constants.WORKFLOW_RUNNER_TYPES:
raise runner_exc.InvalidActionRunnerOperationError(
'Unable to resume liveaction "%s" because it is not supported by the '
'"%s" runner.' % (liveaction.id, action_db.runner_type["name"]))
running_states = [
action_constants.LIVEACTION_STATUS_RUNNING,
action_constants.LIVEACTION_STATUS_RESUMING,
]
if liveaction.status in running_states:
execution = ActionExecution.get(liveaction__id=str(liveaction.id))
return (liveaction, execution)
if liveaction.status != action_constants.LIVEACTION_STATUS_PAUSED:
raise runner_exc.UnexpectedActionExecutionStatusError(
'Unable to resume liveaction "%s" because it is in "%s" state and '
'not in "paused" state.' % (liveaction.id, liveaction.status))
liveaction.context["resumed_by"] = get_requester(requester)
liveaction = update_status(
liveaction,
action_constants.LIVEACTION_STATUS_RESUMING,
context=liveaction.context,
)
execution = ActionExecution.get(liveaction__id=str(liveaction.id))
return (liveaction, execution)
def request_pause(liveaction, requester):
"""
Request pause for a running action execution.
:return: (liveaction, execution)
:rtype: tuple
"""
# Validate that the runner type of the action supports pause.
action_db = action_utils.get_action_by_ref(liveaction.action)
if not action_db:
raise ValueError(
'Unable to pause liveaction "%s" because the action "%s" '
"is not found." % (liveaction.id, liveaction.action)
)
if action_db.runner_type["name"] not in action_constants.WORKFLOW_RUNNER_TYPES:
raise runner_exc.InvalidActionRunnerOperationError(
'Unable to pause liveaction "%s" because it is not supported by the '
'"%s" runner.' % (liveaction.id, action_db.runner_type["name"])
)
if (
liveaction.status == action_constants.LIVEACTION_STATUS_PAUSING
or liveaction.status == action_constants.LIVEACTION_STATUS_PAUSED
):
execution = ActionExecution.get(liveaction__id=str(liveaction.id))
return (liveaction, execution)
if liveaction.status != action_constants.LIVEACTION_STATUS_RUNNING:
raise runner_exc.UnexpectedActionExecutionStatusError(
'Unable to pause liveaction "%s" because it is not in a running state.'
% liveaction.id
)
liveaction = update_status(liveaction, action_constants.LIVEACTION_STATUS_PAUSING)
execution = ActionExecution.get(liveaction__id=str(liveaction.id))
return (liveaction, execution)
