def require_entity(self, cls):
user = self.get_current_user()
if not user.is_worker():
abort(failure('Invalid credentials: must be a valid worker'))
worker = cls.get_by_id(user.id)
if worker is None:
abort(failure('Invalid credentials: must be a valid worker'))
return worker
def update_job(request, id):
job = Job.get_by_id_or_abort(id)
worker = request.auth.require_entity(Worker)
if job.worker != worker.key.id():
return failure('Worker does not have write access to the job')
if 'state' not in request.body:
return failure('Updates to jobs must update the state')
if request.body['state'] == JobState.QUEUED:
return halt_job(request, worker, job)
if request.body['state'] == JobState.COMPLETED:
return complete_job(request, worker, job)
if request.body['state'] == JobState.FAILED:
return fail_job(request, worker, job)
def acquire_job(request, id):
worker = request.auth.require_entity(Worker)
if worker.key.id() != id:
return failure("Requested worker not authenticated")
if worker.job is not None:
return failure('Worker "%s" already owns job' % id)
job = dequeue_job()
if job is None:
return failure("No job available")
worker.job = job.key.id()
worker.put()
return success({"worker": worker, "job": job})
def heartbeat(request, id):
worker = request.auth.require_entity(Worker)
if worker.key.id() != id:
return failure("Requested worker not authenticated")
worker.put()
return success({"worker": worker})
def acquire_job(request, id):
worker = request.auth.require_entity(Worker)
if worker.key.id() != id:
return failure('Requested worker not authenticated')
if worker.job is not None:
return failure('Worker "%s" already owns job' % id)
job = dequeue_job()
if job is None:
return failure('No job available')
worker.job = job.key.id()
worker.put()
return success({'worker': worker, 'job': job})
def heartbeat(request, id):
worker = request.auth.require_entity(Worker)
if worker.key.id() != id:
return failure('Requested worker not authenticated')
worker.put()
return success({'worker': worker})
def wrapped_handler(request, *args, **kwargs):
try:
request = Request(request)
if self.auth_required and request.auth.get_current_user() is None:
return failure("Authentication required")
return handler(request, *args, **kwargs)
except FrameworkAbortError as e:
return e.response
def wrapped_handler(request, *args, **kwargs):
try:
request = Request(request)
if self.auth_required and request.auth.get_current_user(
) is None:
return failure('Authentication required')
return handler(request, *args, **kwargs)
except FrameworkAbortError as e:
return e.response
def add_job(request):
if ('name' not in request.body or
'binary' not in request.body):
return failure('Job body incomplete; name and binary fields required')
name = request.body['name']
binary = request.body['binary']
params = request.body.get('param', [])
id_prehash = str((
('binary', binary),
('params', tuple(params))
))
m = hashlib.md5()
m.update(id_prehash)
id = m.hexdigest()
job = model.Job(id=id)
job.name = name
job.binary = binary
job.params = params
job.put()
return success({'job': job})
