BGP-Ranking/bin/sanitizer.py

110 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import ipaddress
import logging
import time
from datetime import timezone
from typing import Optional, List
from dateutil import parser
from redis import Redis
import requests
from bgpranking.default import AbstractManager, get_socket_path
from bgpranking.helpers import get_ipasn, sanity_check_ipasn
logging.basicConfig(format='%(asctime)s %(name)s %(levelname)s:%(message)s',
level=logging.INFO)
class Sanitizer(AbstractManager):
def __init__(self, loglevel: int=logging.INFO):
super().__init__(loglevel)
self.script_name = 'sanitizer'
self.redis_intake = Redis(unix_socket_path=get_socket_path('intake'), db=0, decode_responses=True)
self.redis_sanitized = Redis(unix_socket_path=get_socket_path('prepare'), db=0, decode_responses=True)
self.ipasn = get_ipasn()
self.logger.debug('Starting import')
def sanitize(self):
ready, message = sanity_check_ipasn(self.ipasn)
if not ready:
# Try again later.
self.logger.warning(message)
return
self.logger.debug(message)
while True:
try:
if self.shutdown_requested() or not self.ipasn.is_up:
break
except requests.exceptions.ConnectionError:
# Temporary issue with ipasnhistory
self.logger.info('Temporary issue with ipasnhistory, trying again later.')
time.sleep(10)
continue
uuids: Optional[List[str]] = self.redis_intake.spop('intake', 100) # type: ignore
if not uuids:
break
for_cache = []
pipeline = self.redis_sanitized.pipeline(transaction=False)
for uuid in uuids:
data = self.redis_intake.hgetall(uuid)
if not data:
continue
try:
ip = ipaddress.ip_address(data['ip'])
if isinstance(ip, ipaddress.IPv6Address):
address_family = 'v6'
else:
address_family = 'v4'
except ValueError:
self.logger.info(f"Invalid IP address: {data['ip']}")
continue
except KeyError:
self.logger.info(f"Invalid entry {data}")
continue
if not ip.is_global:
self.logger.info(f"The IP address {data['ip']} is not global")
continue
datetime = parser.parse(data['datetime'])
if datetime.tzinfo:
# Make sure the datetime isn't TZ aware, and UTC.
datetime = datetime.astimezone(timezone.utc).replace(tzinfo=None)
for_cache.append({'ip': str(ip), 'address_family': address_family, 'source': 'caida',
'date': datetime.isoformat(), 'precision_delta': {'days': 3}})
# Add to temporay DB for further processing
pipeline.hmset(uuid, {'ip': str(ip), 'source': data['source'], 'address_family': address_family,
'date': datetime.date().isoformat(), 'datetime': datetime.isoformat()})
pipeline.sadd('to_insert', uuid)
pipeline.execute()
self.redis_intake.delete(*uuids)
try:
# Just cache everything so the lookup scripts can do their thing.
self.ipasn.mass_cache(for_cache)
except Exception:
self.logger.info('Mass cache in IPASN History failed, trying again later.')
# Rollback the spop
self.redis_intake.sadd('intake', *uuids)
break
def _to_run_forever(self):
self.sanitize()
def main():
sanitizer = Sanitizer()
sanitizer.run(sleep_in_sec=120)
if __name__ == '__main__':
main()