def worker_supervisor():
"""
Start worker supervisor.
This program controls workers ran on the same machine.
Also, it writes metric of resources consumption.
"""
host = socket.gethostname()
logger = create_logger(_session, 'worker_supervisor')
logger.info('worker_supervisor start', ComponentType.WorkerSupervisor,
host)
_create_computer()
_create_docker()
start_schedule([(stop_processes_not_exist, 10)])
if DOCKER_MAIN:
syncer = FileSync()
start_schedule([(worker_usage, 0)])
start_schedule([(syncer.sync, 0)])
name = f'{host}_{DOCKER_IMG}_supervisor'
argv = [
'worker', '--loglevel=INFO', '-P=solo', f'-n={name}', '-O fair',
'-c=1', '--prefetch-multiplier=1', '-Q', f'{name}'
]
logger.info('worker_supervisor run celery', ComponentType.WorkerSupervisor,
host)
app.worker_main(argv)
def register_supervisor():
builder = SupervisorBuilder()
start_schedule([(builder.build, 1)])
return builder