cic-internal-integration/apps/cic-cache/cic_cache/runnable/daemons/tasker.py

86 lines
2.1 KiB
Python

# standard imports
import logging
import os
import sys
import argparse
import tempfile
# third-party imports
import celery
import confini
# local imports
import cic_cache.cli
from cic_cache.db import dsn_from_config
from cic_cache.db.models.base import SessionBase
from cic_cache.tasks.tx import *
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
# process args
arg_flags = cic_cache.cli.argflag_std_base
local_arg_flags = cic_cache.cli.argflag_local_task
argparser = cic_cache.cli.ArgumentParser(arg_flags)
argparser.process_local_flags(local_arg_flags)
args = argparser.parse_args()
# process config
config = cic_cache.cli.Config.from_args(args, arg_flags, local_arg_flags)
# connect to database
dsn = dsn_from_config(config, 'cic_cache')
SessionBase.connect(dsn)
# set up celery
current_app = celery.Celery(__name__)
broker = config.get('CELERY_BROKER_URL')
if broker[:4] == 'file':
bq = tempfile.mkdtemp()
bp = tempfile.mkdtemp()
current_app.conf.update({
'broker_url': broker,
'broker_transport_options': {
'data_folder_in': bq,
'data_folder_out': bq,
'data_folder_processed': bp,
},
},
)
logg.warning('celery broker dirs queue i/o {} processed {}, will NOT be deleted on shutdown'.format(bq, bp))
else:
current_app.conf.update({
'broker_url': broker,
})
result = config.get('CELERY_RESULT_URL')
if result[:4] == 'file':
rq = tempfile.mkdtemp()
current_app.conf.update({
'result_backend': 'file://{}'.format(rq),
})
logg.warning('celery backend store dir {} created, will NOT be deleted on shutdown'.format(rq))
else:
current_app.conf.update({
'result_backend': result,
})
def main():
argv = ['worker']
if args.vv:
argv.append('--loglevel=DEBUG')
elif args.v:
argv.append('--loglevel=INFO')
argv.append('-Q')
argv.append(config.get('CELERY_QUEUE'))
argv.append('-n')
argv.append(config.get('CELERY_QUEUE'))
current_app.worker_main(argv)
if __name__ == '__main__':
main()