def run_task(wf_cmd):
"""Runs workflow task.
:param wf_cmd: Workflow command.
"""
task = _build_task_from_command(wf_cmd)
try:
task.run()
except exc.MistralException as e:
wf_ex = wf_cmd.wf_ex
task_spec = wf_cmd.task_spec
msg = (
"Failed to run task [wf=%s, task=%s]: %s\n%s" %
(wf_ex, task_spec.get_name(), e, tb.format_exc())
)
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task.task_ex)
def run_task(wf_cmd):
"""Runs workflow task.
:param wf_cmd: Workflow command.
"""
task = _build_task_from_command(wf_cmd)
try:
task.run()
except exc.MistralException as e:
wf_ex = wf_cmd.wf_ex
task_spec = wf_cmd.task_spec
msg = ("Failed to run task [wf=%s, task=%s]: %s\n%s" %
(wf_ex, task_spec.get_name(), e, tb.format_exc()))
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task.task_ex)
def complete_task(task_ex, state, state_info):
task = _build_task_from_execution(
spec_parser.get_workflow_spec_by_id(task_ex.workflow_id),
task_ex
)
try:
task.complete(state, state_info)
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = (
"Failed to complete task [wf=%s, task=%s]: %s\n%s" %
(wf_ex, task_ex.name, e, tb.format_exc())
)
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def complete_task(task_ex, state, state_info):
task = _build_task_from_execution(task_ex)
# TODO(rakhmerov): Error handling.
task.complete(state, state_info)
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def continue_task(task_ex):
task = _build_task_from_execution(task_ex)
# TODO(rakhmerov): Error handling.
task.run()
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def complete_task(task_ex, state, state_info):
task = _build_task_from_execution(task_ex)
# TODO(rakhmerov): Error handling.
task.complete(state, state_info)
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def continue_task(task_ex):
task = _build_task_from_execution(task_ex)
# TODO(rakhmerov): Error handling.
task.run()
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def on_action_complete(action_ex):
"""Handles action completion event.
:param action_ex: Action execution.
"""
task_ex = action_ex.task_execution
if not task_ex:
return
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_ex = task_ex.workflow_execution
task = _create_task(
wf_ex,
task_spec,
task_ex.in_context,
task_ex
)
try:
task.on_action_complete(action_ex)
except exc.MistralException as e:
task_ex = action_ex.task_execution
wf_ex = task_ex.workflow_execution
msg = ("Failed to handle action completion [wf=%s, task=%s,"
" action=%s]: %s\n%s" %
(wf_ex.name, task_ex.name, action_ex.name, e, tb.format_exc()))
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def on_action_complete(action_ex):
"""Handles action completion event.
:param action_ex: Action execution.
"""
task_ex = action_ex.task_execution
if not task_ex:
return
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_ex = task_ex.workflow_execution
task = _create_task(
wf_ex,
spec_parser.get_workflow_spec_by_id(wf_ex.workflow_id),
task_spec,
task_ex.in_context,
task_ex
)
try:
task.on_action_complete(action_ex)
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = ("Failed to handle action completion [wf=%s, task=%s,"
" action=%s]: %s\n%s" %
(wf_ex.name, task_ex.name, action_ex.name, e, tb.format_exc()))
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def continue_task(task_ex):
task = _build_task_from_execution(task_ex)
try:
task.run()
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = ("Failed to run task [wf=%s, task=%s]: %s\n%s" %
(wf_ex, task_ex.name, e, tb.format_exc()))
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task_ex)
def continue_task(task_ex):
task = _build_task_from_execution(task_ex)
try:
task.run()
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = (
"Failed to run task [wf=%s, task=%s]: %s\n%s" %
(wf_ex, task_ex.name, e, tb.format_exc())
)
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.fail_workflow(wf_ex, msg)
return
if task.is_completed():
wf_handler.on_task_complete(task_ex)