def test_validate_workflow_handler_message():
message = WorkflowSchedulingMessage(task='setup',
workflow_invocation_id=42)
message.validate()
message = WorkflowSchedulingMessage(task='setup')
error = None
try:
message.validate()
except AssertionError as e:
error = e
assert error is not None
def __init__(self, app):
self.app = app
self.__handlers_configured = False
self.workflow_schedulers = {}
self.active_workflow_schedulers = {}
# Passive workflow schedulers won't need to be monitored I guess.
self.request_monitor = None
self.handlers = {}
self.handler_assignment_methods_configured = False
self.handler_assignment_methods = None
self.handler_max_grab = None
self.default_handler_id = None
self.__plugin_classes = self.__plugins_dict()
self.__init_schedulers()
if self._is_workflow_handler():
log.debug("Starting workflow schedulers")
self.__start_schedulers()
if self.active_workflow_schedulers:
self.__start_request_monitor()
# When assinging handlers to workflows being queued - use job_conf
# if not explicit workflow scheduling handlers have be specified or
# else use those explicit workflow scheduling handlers (on self).
if self.__handlers_configured:
self.__handlers_config = self
else:
self.__handlers_config = app.job_config
if self._is_workflow_handler():
if self.__handlers_config.use_messaging:
WorkflowSchedulingMessage().bind_default_handler(
self, '_handle_message')
self.app.application_stack.register_message_handler(
self._handle_message,
name=WorkflowSchedulingMessage.target)
else:
# Process should not schedule workflows but should check for any unassigned to handlers
self.__startup_recovery()
def _message_callback(self, workflow_invocation):
return WorkflowSchedulingMessage(task='setup', workflow_invocation_id=workflow_invocation.id)
