210 lines
6.9 KiB
Python
210 lines
6.9 KiB
Python
# standard imports
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import argparse
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import json
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import logging
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import os
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import sys
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import time
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import urllib.request
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import uuid
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from urllib.parse import urlencode
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# external imports
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import celery
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import confini
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import phonenumbers
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import redis
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from chainlib.chain import ChainSpec
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from cic_types.models.person import Person
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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default_config_dir = '/usr/local/etc/cic'
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-c', type=str, default=default_config_dir, help='config file')
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argparser.add_argument('-i', '--chain-spec', dest='i', type=str, help='Chain specification string')
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argparser.add_argument('--redis-host', dest='redis_host', type=str, help='redis host to use for task submission')
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argparser.add_argument('--redis-port', dest='redis_port', type=int, help='redis host to use for task submission')
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argparser.add_argument('--redis-db', dest='redis_db', type=int, help='redis db to use for task submission and callback')
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argparser.add_argument('--batch-size', dest='batch_size', default=100, type=int, help='burst size of sending transactions to node') # batch size should be slightly below cumulative gas limit worth, eg 80000 gas txs with 8000000 limit is a bit less than 100 batch size
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argparser.add_argument('--batch-delay', dest='batch_delay', default=3, type=int, help='seconds delay between batches')
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argparser.add_argument('--timeout', default=60.0, type=float, help='Callback timeout')
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argparser.add_argument('--ussd-host', dest='ussd_host', type=str, help="host to ussd app responsible for processing ussd requests.")
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argparser.add_argument('--ussd-port', dest='ussd_port', type=str, help="port to ussd app responsible for processing ussd requests.")
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argparser.add_argument('--ussd-no-ssl', dest='ussd_no_ssl', help='do not use ssl (careful)', action='store_true')
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argparser.add_argument('-q', type=str, default='cic-eth', help='Task queue')
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('-vv', action='store_true', help='Be more verbose')
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argparser.add_argument('user_dir', type=str, help='path to users export dir tree')
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args = argparser.parse_args()
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if args.v:
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logg.setLevel(logging.INFO)
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elif args.vv:
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logg.setLevel(logging.DEBUG)
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config_dir = args.c
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config = confini.Config(config_dir, os.environ.get('CONFINI_ENV_PREFIX'))
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config.process()
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args_override = {
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'CIC_CHAIN_SPEC': getattr(args, 'i'),
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'REDIS_HOST': getattr(args, 'redis_host'),
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'REDIS_PORT': getattr(args, 'redis_port'),
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'REDIS_DB': getattr(args, 'redis_db'),
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}
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config.dict_override(args_override, 'cli')
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celery_app = celery.Celery(broker=config.get('CELERY_BROKER_URL'), backend=config.get('CELERY_RESULT_URL'))
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redis_host = config.get('REDIS_HOST')
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redis_port = config.get('REDIS_PORT')
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redis_db = config.get('REDIS_DB')
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r = redis.Redis(redis_host, redis_port, redis_db)
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ps = r.pubsub()
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user_new_dir = os.path.join(args.user_dir, 'new')
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os.makedirs(user_new_dir)
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ussd_data_dir = os.path.join(args.user_dir, 'ussd')
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os.makedirs(ussd_data_dir)
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preferences_dir = os.path.join(args.user_dir, 'preferences')
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os.makedirs(os.path.join(preferences_dir, 'meta'))
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meta_dir = os.path.join(args.user_dir, 'meta')
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os.makedirs(meta_dir)
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user_old_dir = os.path.join(args.user_dir, 'old')
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os.stat(user_old_dir)
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txs_dir = os.path.join(args.user_dir, 'txs')
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os.makedirs(txs_dir)
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chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
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chain_str = str(chain_spec)
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batch_size = args.batch_size
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batch_delay = args.batch_delay
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ussd_port = args.ussd_port
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ussd_host = args.ussd_host
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ussd_no_ssl = args.ussd_no_ssl
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if ussd_no_ssl is True:
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ussd_ssl = False
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else:
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ussd_ssl = True
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def build_ussd_request(phone, host, port, service_code, username, password, ssl=False):
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url = 'http'
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if ssl:
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url += 's'
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url += '://{}'.format(host)
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if port:
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url += ':{}'.format(port)
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url += '/?username={}&password={}'.format(username, password)
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logg.info('ussd service url {}'.format(url))
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logg.info('ussd phone {}'.format(phone))
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session = uuid.uuid4().hex
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data = {
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'sessionId': session,
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'serviceCode': service_code,
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'phoneNumber': phone,
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'text': service_code,
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}
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req = urllib.request.Request(url)
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req.method=('POST')
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data_str = urlencode(data)
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data_bytes = data_str.encode('utf-8')
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req.add_header('Content-Type', 'application/x-www-form-urlencoded')
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req.data = data_bytes
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return req
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def register_ussd(i, u):
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phone_object = phonenumbers.parse(u.tel)
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phone = phonenumbers.format_number(phone_object, phonenumbers.PhoneNumberFormat.E164)
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logg.debug('tel {} {}'.format(u.tel, phone))
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req = build_ussd_request(
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phone,
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ussd_host,
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ussd_port,
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config.get('APP_SERVICE_CODE'),
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'',
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'',
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ussd_ssl
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)
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response = urllib.request.urlopen(req)
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response_data = response.read().decode('utf-8')
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state = response_data[:3]
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out = response_data[4:]
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logg.debug('ussd reponse: {}'.format(out))
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if __name__ == '__main__':
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i = 0
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j = 0
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for x in os.walk(user_old_dir):
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for y in x[2]:
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if y[len(y)-5:] != '.json':
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continue
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# handle json containing person object
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filepath = os.path.join(x[0], y)
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f = open(filepath, 'r')
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try:
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o = json.load(f)
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except json.decoder.JSONDecodeError as e:
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f.close()
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logg.error('load error for {}: {}'.format(y, e))
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continue
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f.close()
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u = Person.deserialize(o)
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new_address = register_ussd(i, u)
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phone_object = phonenumbers.parse(u.tel)
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phone = phonenumbers.format_number(phone_object, phonenumbers.PhoneNumberFormat.E164)
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s_phone = celery.signature(
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'import_task.resolve_phone',
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[
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phone,
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],
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queue='cic-import-ussd',
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)
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s_meta = celery.signature(
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'import_task.generate_metadata',
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[
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phone,
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],
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queue='cic-import-ussd',
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)
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s_balance = celery.signature(
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'import_task.opening_balance_tx',
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[
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phone,
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i,
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],
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queue='cic-import-ussd',
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)
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s_meta.link(s_balance)
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s_phone.link(s_meta)
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# block time plus a bit of time for ussd processing
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s_phone.apply_async(countdown=7)
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i += 1
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sys.stdout.write('imported {} {}'.format(i, u).ljust(200) + "\r")
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j += 1
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if j == batch_size:
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time.sleep(batch_delay)
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j = 0
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