148 lines
4.6 KiB
Python
148 lines
4.6 KiB
Python
# standard imports
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import argparse
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import logging
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import os
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import tempfile
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# third party imports
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import celery
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import i18n
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import redis
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from chainlib.chain import ChainSpec
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from confini import Config
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from cic_types.ext.metadata import Metadata
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from cic_types.ext.metadata.signer import Signer
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# local imports
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from cic_ussd.account.chain import Chain
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from cic_ussd.cache import Cache
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from cic_ussd.db import dsn_from_config
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from cic_ussd.db.models.base import SessionBase
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from cic_ussd.phone_number import Support
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from cic_ussd.session.ussd_session import UssdSession as InMemoryUssdSession
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from cic_ussd.validator import validate_presence
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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logging.getLogger('gnupg').setLevel(logging.WARNING)
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config_directory = '/usr/local/etc/cic-ussd/'
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# define arguments
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arg_parser = argparse.ArgumentParser()
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arg_parser.add_argument('-c', type=str, default=config_directory, help='config directory.')
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arg_parser.add_argument('-q', type=str, default='cic-ussd', help='queue name for worker tasks')
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arg_parser.add_argument('-v', action='store_true', help='be verbose')
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arg_parser.add_argument('-vv', action='store_true', help='be more verbose')
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arg_parser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str,
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help='environment prefix for variables to overwrite configuration')
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args = arg_parser.parse_args()
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# define log levels
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if args.vv:
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logging.getLogger().setLevel(logging.DEBUG)
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elif args.v:
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logging.getLogger().setLevel(logging.INFO)
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# parse config
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config = Config(args.c, args.env_prefix)
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config.process()
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config.add(args.q, '_CELERY_QUEUE', True)
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config.censor('PASSWORD', 'DATABASE')
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logg.debug('config loaded from {}:\n{}'.format(args.c, config))
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# connect to database
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data_source_name = dsn_from_config(config)
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SessionBase.connect(data_source_name, pool_size=int(config.get('DATABASE_POOL_SIZE')),
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debug=config.true('DATABASE_DEBUG'))
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# verify database connection with minimal sanity query
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session = SessionBase.create_session()
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session.execute('SELECT version_num FROM alembic_version')
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session.close()
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# define universal redis cache access
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Cache.store = redis.StrictRedis(host=config.get('REDIS_HOST'),
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port=config.get('REDIS_PORT'),
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password=config.get('REDIS_PASSWORD'),
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db=config.get('REDIS_DATABASE'),
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decode_responses=True)
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InMemoryUssdSession.store = Cache.store
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# define metadata URL
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Metadata.base_url = config.get('CIC_META_URL')
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# define signer values
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export_dir = config.get('PGP_EXPORT_DIR')
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if export_dir:
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validate_presence(path=export_dir)
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Signer.gpg_path = export_dir
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Signer.gpg_passphrase = config.get('PGP_PASSPHRASE')
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key_file_path = f"{config.get('PGP_KEYS_PATH')}{config.get('PGP_PRIVATE_KEYS')}"
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if key_file_path:
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validate_presence(path=key_file_path)
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Signer.key_file_path = key_file_path
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# set up translations
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i18n.load_path.append(config.get('LOCALE_PATH'))
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i18n.set('fallback', config.get('LOCALE_FALLBACK'))
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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Chain.spec = chain_spec
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Support.phone_number = config.get('OFFICE_SUPPORT_PHONE')
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# set up celery
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current_app = celery.Celery(__name__)
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# define celery configs
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broker = config.get('CELERY_BROKER_URL')
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if broker[:4] == 'file':
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broker_queue = tempfile.mkdtemp()
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broker_processed = tempfile.mkdtemp()
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current_app.conf.update({
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'broker_url': broker,
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'broker_transport_options': {
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'data_folder_in': broker_queue,
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'data_folder_out': broker_queue,
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'data_folder_processed': broker_processed
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},
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})
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logg.warning(
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f'celery broker dirs queue i/o {broker_queue} processed {broker_processed}, will NOT be deleted on shutdown')
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else:
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current_app.conf.update({
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'broker_url': broker
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})
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result = config.get('CELERY_RESULT_URL')
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if result[:4] == 'file':
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result_queue = tempfile.mkdtemp()
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current_app.conf.update({
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'result_backend': 'file://{}'.format(result_queue),
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})
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logg.warning('celery backend store dir {} created, will NOT be deleted on shutdown'.format(result_queue))
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else:
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current_app.conf.update({
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'result_backend': result,
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})
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import cic_ussd.tasks
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def main():
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argv = ['worker']
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if args.vv:
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argv.append('--loglevel=DEBUG')
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elif args.v:
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argv.append('--loglevel=INFO')
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argv.append('-Q')
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argv.append(args.q)
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argv.append('-n')
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argv.append(args.q)
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current_app.worker_main(argv)
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if __name__ == '__main__':
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main()
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