def resume(self, env=None):
"""Resume workflow.
:param env: Environment.
"""
assert self.wf_ex
wf_service.update_workflow_execution_env(self.wf_ex, env)
self.set_state(states.RUNNING)
wf_ctrl = wf_base.get_controller(self.wf_ex)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
self._continue_workflow(cmds)
# If workflow execution is a subworkflow,
# schedule update to the task execution.
if self.wf_ex.task_execution_id:
# Import the task_handler module here to avoid circular reference.
from mistral.engine import task_handler
task_handler.schedule_on_action_update(self.wf_ex)
def resume(self, env=None):
"""Resume workflow.
:param env: Environment.
"""
assert self.wf_ex
wf_service.update_workflow_execution_env(self.wf_ex, env)
self.set_state(states.RUNNING)
# Publish event.
self.notify(events.WORKFLOW_RESUMED)
wf_ctrl = wf_base.get_controller(self.wf_ex)
# Calculate commands to process next.
cmds = wf_ctrl.continue_workflow()
self._continue_workflow(cmds)
# If workflow execution is a subworkflow,
# schedule update to the task execution.
if self.wf_ex.task_execution_id:
# Import the task_handler module here to avoid circular reference.
from mistral.engine import task_handler
task_handler.schedule_on_action_update(self.wf_ex)
def on_action_update(action_ex, state):
task_ex = action_ex.task_execution
action = _build_action(action_ex)
try:
action.update(state)
except exc.MistralException as e:
# If the update of the action execution fails, do not fail
# the action execution. Log the exception and re-raise the
# exception.
msg = ("Failed to update action [error=%s, action=%s, task=%s]:\n%s" %
(e, action_ex.name, task_ex.name, tb.format_exc()))
LOG.error(msg)
raise
if task_ex:
task_handler.schedule_on_action_update(action_ex)
def pause(self, msg=None):
"""Pause workflow.
:param msg: Additional explaining message.
"""
assert self.wf_ex
if states.is_paused(self.wf_ex.state):
return
# Set the state of this workflow to paused.
self.set_state(states.PAUSED, state_info=msg)
# If workflow execution is a subworkflow,
# schedule update to the task execution.
if self.wf_ex.task_execution_id:
# Import the task_handler module here to avoid circular reference.
from mistral.engine import task_handler
task_handler.schedule_on_action_update(self.wf_ex)
def on_action_update(action_ex, state):
task_ex = action_ex.task_execution
action = _build_action(action_ex)
try:
action.update(state)
except exc.MistralException as e:
# If the update of the action execution fails, do not fail
# the action execution. Log the exception and re-raise the
# exception.
msg = (
"Failed to update action [error=%s, action=%s, task=%s]:\n%s"
% (e, action_ex.name, task_ex.name, tb.format_exc())
)
LOG.error(msg)
raise
if task_ex:
task_handler.schedule_on_action_update(action_ex)
def pause(self, msg=None):
"""Pause workflow.
:param msg: Additional explaining message.
"""
assert self.wf_ex
if states.is_paused(self.wf_ex.state):
return
# Set the state of this workflow to paused.
self.set_state(states.PAUSED, state_info=msg)
# Publish event.
self.notify(events.WORKFLOW_PAUSED)
# If workflow execution is a subworkflow,
# schedule update to the task execution.
if self.wf_ex.task_execution_id:
# Import the task_handler module here to avoid circular reference.
from mistral.engine import task_handler
task_handler.schedule_on_action_update(self.wf_ex)
