chg: cleanup
Raphaël Vinot
parent
b0550bc91c
commit
b4b012a430
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@ -1,427 +0,0 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import requests
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import os
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from dateutil import parser
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from datetime import datetime, date
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from hashlib import sha512 # Faster than sha256 on 64b machines.
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from pathlib import Path
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from dateutil.relativedelta import relativedelta
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from collections import defaultdict
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import zipfile
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import logging
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import asyncio
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from pid import PidFile, PidFileError
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import json
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import re
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from redis import Redis
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from redis import StrictRedis
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from uuid import uuid4
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from io import BytesIO
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import importlib
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from typing import List
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import types
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import ipaddress
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class BGPRankingException(Exception):
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pass
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class FetcherException(BGPRankingException):
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pass
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class ArchiveException(BGPRankingException):
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pass
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class CreateDirectoryException(BGPRankingException):
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pass
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"""
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Directory structure:
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storage_directory / vendor / listname -> files to import
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storage_directory / vendor / listname / meta -> last modified & pid
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storage_directory / vendor / listname / archive -> imported files <= 2 month old
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storage_directory / vendor / listname / archive / deep -> imported files > 2 month old (zipped)
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"""
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def safe_create_dir(to_create: Path):
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if to_create.exists() and not to_create.is_dir():
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raise CreateDirectoryException('The path {} already exists and is not a directory'.format(to_create))
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os.makedirs(to_create, exist_ok=True)
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class Fetcher():
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def __init__(self, config_file: Path, storage_directory: Path,
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loglevel: int=logging.DEBUG):
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'''Load `config_file`, and store the fetched data into `storage_directory`
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Note: if the `config_file` does not provide a URL (the file is
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gathered by some oter mean), the fetcher is automatically stoped.'''
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with open(config_file, 'r') as f:
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module_parameters = json.load(f)
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self.vendor = module_parameters['vendor']
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self.listname = module_parameters['name']
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self.__init_logger(loglevel)
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self.fetcher = True
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if 'url' not in module_parameters:
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self.logger.info('No URL to fetch, breaking.')
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self.fetcher = False
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return
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self.url = module_parameters['url']
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self.logger.debug('Starting fetcher on {}'.format(self.url))
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self.directory = storage_directory / self.vendor / self.listname
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safe_create_dir(self.directory)
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self.meta = self.directory / 'meta'
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safe_create_dir(self.meta)
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self.archive_dir = self.directory / 'archive'
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safe_create_dir(self.archive_dir)
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self.first_fetch = True
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}-{}-{}'.format(self.__class__.__name__,
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self.vendor, self.listname))
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self.logger.setLevel(loglevel)
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def __get_last_modified(self):
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r = requests.head(self.url)
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if 'Last-Modified' in r.headers:
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return parser.parse(r.headers['Last-Modified'])
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return None
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def __newer(self):
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'''Check if the file available for download is newed than the one
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already downloaded by checking the `Last-Modified` header.
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Note: return False if the file containing the last header content
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is not existing, or the header doesn't have this key.
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'''
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last_modified_path = self.meta / 'lastmodified'
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if not last_modified_path.exists():
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# The file doesn't exists
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if not self.first_fetch:
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# The URL has no Last-Modified header, we cannot use it.
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self.logger.debug('No Last-Modified header available')
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return True
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self.first_fetch = False
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last_modified = self.__get_last_modified()
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if last_modified:
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self.logger.debug('Last-Modified header available')
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with last_modified_path.open('w') as f:
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f.write(last_modified.isoformat())
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else:
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self.logger.debug('No Last-Modified header available')
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return True
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with last_modified_path.open() as f:
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last_modified_file = parser.parse(f.read())
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last_modified = self.__get_last_modified()
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if not last_modified:
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# No more Last-Modified header Oo
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self.logger.warning('{}: Last-Modified header was present, isn\'t anymore!'.format(self.listname))
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last_modified_path.unlink()
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return True
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if last_modified > last_modified_file:
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self.logger.info('Got a new file.')
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with last_modified_path.open('w') as f:
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f.write(last_modified.isoformat())
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return True
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return False
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def __same_as_last(self, downloaded):
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'''Figure out the last downloaded file, check if it is the same as the
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newly downloaded one. Returns true if both files have been downloaded the
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same day.
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Note: we check the new and the archive directory because we may have backlog
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and the newest file is always the first one we process
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'''
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to_check = []
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to_check_new = sorted([f for f in self.directory.iterdir() if f.is_file()])
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if to_check_new:
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# we have files waiting to be processed
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self.logger.debug('{} file(s) are waiting to be processed'.format(len(to_check_new)))
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to_check.append(to_check_new[-1])
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to_check_archive = sorted([f for f in self.archive_dir.iterdir() if f.is_file()])
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if to_check_archive:
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# we have files already processed, in the archive
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self.logger.debug('{} file(s) have been processed'.format(len(to_check_archive)))
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to_check.append(to_check_archive[-1])
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if not to_check:
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self.logger.debug('New list, no hisorical files')
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# nothing has been downloaded ever, moving on
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return False
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for last_file in to_check:
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with last_file.open('rb') as f:
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last_hash = sha512(f.read())
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dl_hash = sha512(downloaded)
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if (dl_hash.digest() == last_hash.digest() and
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parser.parse(last_file.name.split('.')[0]).date() == date.today()):
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self.logger.debug('Same file already downloaded today.')
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return True
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return False
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@asyncio.coroutine
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async def fetch_list(self):
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'''Fetch & store the list'''
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if not self.fetcher:
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return
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try:
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with PidFile('{}.pid'.format(self.listname), piddir=self.meta):
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if not self.__newer():
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return
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r = requests.get(self.url)
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if self.__same_as_last(r.content):
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return
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self.logger.info('Got a new file \o/')
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with (self.directory / '{}.txt'.format(datetime.now().isoformat())).open('wb') as f:
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f.write(r.content)
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except PidFileError:
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self.logger.info('Fetcher already running')
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# get announcer: https://stat.ripe.net/data/network-info/data.json?resource=149.13.33.14
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class RawFilesParser():
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def __init__(self, config_file: Path, storage_directory: Path,
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loglevel: int=logging.DEBUG):
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with open(config_file, 'r') as f:
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module_parameters = json.load(f)
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self.vendor = module_parameters['vendor']
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self.listname = module_parameters['name']
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if 'parser' in module_parameters:
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self.parse_raw_file = types.MethodType(importlib.import_module(module_parameters['parser']).parse_raw_file, self)
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self.source = '{}-{}'.format(self.vendor, self.listname)
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self.directory = storage_directory / self.vendor / self.listname
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safe_create_dir(self.directory)
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self.__init_logger(loglevel)
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self.redis_intake = Redis(host='localhost', port=6379, db=0)
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self.logger.debug('Starting intake on {}'.format(self.source))
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}-{}-{}'.format(self.__class__.__name__,
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self.vendor, self.listname))
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self.logger.setLevel(loglevel)
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@property
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def files_to_parse(self) -> List[Path]:
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return sorted([f for f in self.directory.iterdir() if f.is_file()], reverse=True)
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def extract_ipv4(self, bytestream: bytes) -> List[bytes]:
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return re.findall(rb'[0-9]+(?:\.[0-9]+){3}', bytestream)
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def parse_raw_file(self, f: BytesIO):
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self.datetime = datetime.now()
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return self.extract_ipv4(f.getvalue())
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@asyncio.coroutine
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async def parse_raw_files(self):
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for filepath in self.files_to_parse:
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self.logger.debug('Parsing {}, {} to go.'.format(filepath, len(self.files_to_parse) - 1))
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with open(filepath, 'rb') as f:
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to_parse = BytesIO(f.read())
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p = self.redis_intake.pipeline()
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for ip in self.parse_raw_file(to_parse):
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uuid = uuid4()
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p.hmset(uuid, {'ip': ip, 'source': self.source,
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'datetime': self.datetime.isoformat()})
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p.sadd('intake', uuid)
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p.execute()
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self._archive(filepath)
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def _archive(self, filepath: Path):
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'''After processing, move file to the archive directory'''
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filepath.rename(self.directory / 'archive' / filepath.name)
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class Sanitizer():
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def __init__(self, loglevel: int=logging.DEBUG):
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self.__init_logger(loglevel)
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self.redis_intake = Redis(host='localhost', port=6379, db=0, decode_responses=True)
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self.redis_sanitized = Redis(host='localhost', port=6380, db=0, decode_responses=True)
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self.ris_cache = Redis(host='localhost', port=6381, db=0, decode_responses=True)
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self.logger.debug('Starting import')
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}'.format(self.__class__.__name__))
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self.logger.setLevel(loglevel)
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async def sanitize(self):
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while True:
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uuid = self.redis_intake.spop('intake')
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if not uuid:
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break
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data = self.redis_intake.hgetall(uuid)
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try:
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ip = ipaddress.ip_address(data['ip'])
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except ValueError:
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self.logger.info('Invalid IP address: {}'.format(data['ip']))
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continue
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if not ip.is_global:
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self.logger.info('The IP address {} is not global'.format(data['ip']))
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continue
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date = parser.parse(data['datetime']).date().isoformat()
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# NOTE: to consider: discard data with an old timestamp (define old)
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# Add to temporay DB for further processing
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self.ris_cache.sadd('for_ris_lookup', str(ip))
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pipeline = self.redis_sanitized.pipeline()
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pipeline.hmset(uuid, {'ip': str(ip), 'source': data['source'],
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'date': date, 'datetime': data['datetime']})
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pipeline.sadd('to_insert', uuid)
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pipeline.execute()
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self.redis_intake.delete(uuid)
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class DatabaseInsert():
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def __init__(self, loglevel: int=logging.DEBUG):
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self.__init_logger(loglevel)
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self.ardb_storage = StrictRedis(host='localhost', port=16379, decode_responses=True)
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self.redis_sanitized = Redis(host='localhost', port=6380, db=0, decode_responses=True)
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self.ris_cache = Redis(host='localhost', port=6381, db=0, decode_responses=True)
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self.logger.debug('Starting import')
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}'.format(self.__class__.__name__))
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self.logger.setLevel(loglevel)
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async def insert(self):
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while True:
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uuid = self.redis_sanitized.spop('to_insert')
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if not uuid:
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break
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data = self.redis_sanitized.hgetall(uuid)
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# Data gathered from the RIS queries:
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# * IP Block of the IP -> https://stat.ripe.net/docs/data_api#NetworkInfo
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# * AS number -> https://stat.ripe.net/docs/data_api#NetworkInfo
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# * Full text description of the AS (older name) -> https://stat.ripe.net/docs/data_api#AsOverview
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ris_entry = self.ris_cache.hgetall(data['ip'])
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if not ris_entry:
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# RIS data not available yet, retry later
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# FIXME: an IP can sometimes not be announced, we need to discard it
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self.redis_sanitized.sadd('to_insert', uuid)
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# In case this IP is missing in the set to process
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self.ris_cache.sadd('for_ris_lookup', data['ip'])
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continue
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# Format: <YYYY-MM-DD>|sources -> set([<source>, ...])
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self.ardb_storage.sadd('{}|sources'.format(data['date']), data['source'])
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# Format: <YYYY-MM-DD>|<source> -> set([<asn>, ...])
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self.ardb_storage.sadd('{}|{}'.format(data['date'], data['source']),
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ris_entry['asn'])
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# Format: <YYYY-MM-DD>|<source>|<asn> -> set([<prefix>, ...])
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self.ardb_storage.sadd('{}|{}|{}'.format(data['date'], data['source'], ris_entry['asn']),
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ris_entry['prefix'])
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# Format: <YYYY-MM-DD>|<source>|<asn>|<prefix> -> set([<ip>|<datetime>, ...])
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self.ardb_storage.sadd('{}|{}|{}|{}'.format(data['date'], data['source'],
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ris_entry['asn'],
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ris_entry['prefix']),
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'{}|{}'.format(data['ip'], data['datetime']))
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self.redis_sanitized.delete(uuid)
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class StatsRIPE():
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def __init__(self, sourceapp='bgpranking-ng - CIRCL'):
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self.url = "https://stat.ripe.net/data/{method}/data.json?{parameters}"
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self.url_parameters = {'sourceapp': sourceapp}
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async def network_info(self, ip: str) -> dict:
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method = 'network-info'
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self.url_parameters['resource'] = ip
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parameters = '&'.join(['='.join(item) for item in self.url_parameters.items()])
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url = self.url.format(method=method, parameters=parameters)
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response = requests.get(url)
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return response.json()
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async def prefix_overview(self, prefix: str) -> dict:
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method = 'prefix-overview'
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self.url_parameters['resource'] = prefix
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parameters = '&'.join(['='.join(item) for item in self.url_parameters.items()])
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url = self.url.format(method=method, parameters=parameters)
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response = requests.get(url)
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return response.json()
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class RoutingInformationServiceFetcher():
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def __init__(self, loglevel: int=logging.DEBUG):
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self.__init_logger(loglevel)
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self.ris_cache = Redis(host='localhost', port=6381, db=0)
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self.logger.debug('Starting RIS fetcher')
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self.ripe = StatsRIPE()
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}'.format(self.__class__.__name__))
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self.logger.setLevel(loglevel)
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async def fetch(self):
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while True:
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ip = self.ris_cache.spop('for_ris_lookup')
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if not ip:
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break
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ip = ip.decode()
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network_info = await self.ripe.network_info(ip)
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prefix = network_info['data']['prefix']
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asns = network_info['data']['asns']
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if not asns or not prefix:
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self.logger.warning('The IP {} does not seem to be announced'.format(ip))
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continue
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prefix_overview = await self.ripe.prefix_overview(prefix)
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description = prefix_overview['data']['block']['desc']
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if not description:
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description = prefix_overview['data']['block']['name']
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for asn in asns:
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self.ris_cache.hmset(ip, {'asn': asn, 'prefix': prefix,
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'description': description})
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class DeepArchive():
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def __init__(self, config_file: Path, storage_directory: Path,
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loglevel: int=logging.DEBUG):
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'''Archive everyfile older than 2 month.'''
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with open(config_file, 'r') as f:
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module_parameters = json.load(f)
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self.vendor = module_parameters['vendor']
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self.listname = module_parameters['name']
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self.directory = storage_directory / self.vendor / self.listname / 'archive'
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safe_create_dir(self.directory)
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self.deep_archive = self.directory / 'deep'
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safe_create_dir(self.deep_archive)
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self.__init_logger(loglevel)
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def __init_logger(self, loglevel):
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self.logger = logging.getLogger('{}-{}-{}'.format(self.__class__.__name__,
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self.vendor, self.listname))
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self.logger.setLevel(loglevel)
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def archive(self):
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to_archive = defaultdict(list)
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today = date.today()
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last_day_to_keep = date(today.year, today.month, 1) - relativedelta(months=2)
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for p in self.directory.iterdir():
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if not p.is_file():
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continue
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filedate = parser.parse(p.name.split('.')[0]).date()
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if filedate >= last_day_to_keep:
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continue
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to_archive['{}.zip'.format(filedate.strftime('%Y%m'))].append(p)
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if to_archive:
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self.logger.info('Found old files. Archiving: {}'.format(', '.join(to_archive.keys())))
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else:
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self.logger.debug('No old files.')
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for archivename, path_list in to_archive.items():
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with zipfile.ZipFile(self.deep_archive / archivename, 'x', zipfile.ZIP_DEFLATED) as z:
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for f in path_list:
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z.write(f, f.name)
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# Delete all the files if the archiving worked out properly
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[f.unlink() for f in path_list]
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@ -16,3 +16,7 @@ class ArchiveException(BGPRankingException):
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class CreateDirectoryException(BGPRankingException):
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pass
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||||
|
||||
class MissingEnv(BGPRankingException):
|
||||
pass
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@
|
|||
import os
|
||||
import sys
|
||||
from pathlib import Path
|
||||
from .exceptions import CreateDirectoryException
|
||||
from .exceptions import CreateDirectoryException, MissingEnv
|
||||
from redis import StrictRedis
|
||||
from redis.exceptions import ConnectionError
|
||||
from datetime import datetime, timedelta
|
||||
|
|
@ -16,10 +16,14 @@ def get_config_path():
|
|||
|
||||
|
||||
def get_list_storage_path():
|
||||
if not os.environ.get('VIRTUAL_ENV'):
|
||||
raise MissingEnv("VIRTUAL_ENV is missing. This project really wants to run from a virtual envoronment.")
|
||||
return Path(os.environ['VIRTUAL_ENV'])
|
||||
|
||||
|
||||
def get_homedir():
|
||||
if not os.environ.get('BGPRANKING_HOME'):
|
||||
raise MissingEnv("BGPRANKING_HOME is missing. Run the following from the home directory of the repository: export BGPRANKING_HOME='./'")
|
||||
return Path(os.environ['BGPRANKING_HOME'])
|
||||
|
||||
|
||||
|
|
|
|||
Binary file not shown.
|
|
@ -0,0 +1,79 @@
|
|||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
import logging
|
||||
import json
|
||||
from redis import Redis
|
||||
import asyncio
|
||||
|
||||
from .libs.StatsRipeText import RIPECaching
|
||||
from ipaddress import ip_network
|
||||
|
||||
|
||||
class ASNLookup(RIPECaching):
|
||||
|
||||
def __init__(self, sourceapp: str='bgpranking-ng', loglevel: int=logging.DEBUG):
|
||||
super().__init__(sourceapp, loglevel)
|
||||
self.redis_cache = Redis(host='localhost', port=6382, db=0, decode_responses=True)
|
||||
self.logger.debug('Starting ASN lookup cache')
|
||||
|
||||
async def get_all_asns(self):
|
||||
reader, writer = await asyncio.open_connection(self.hostname, self.port)
|
||||
to_send = '-d ris-asns list_asns=true asn_types=o sourceapp={}\n'.format(self.sourceapp)
|
||||
writer.write(to_send.encode())
|
||||
ris_asns = json.loads(await reader.read())
|
||||
all_asns = ris_asns['asns']['originating']
|
||||
if not all_asns:
|
||||
self.logger.warning('No ASNs in ris-asns, something went wrong.')
|
||||
else:
|
||||
self.redis_cache.sadd('asns', *all_asns)
|
||||
self.redis_cache.sadd('asns_to_lookup', *all_asns)
|
||||
|
||||
def fix_ipv4_networks(self, networks):
|
||||
'''Because we can't have nice things.
|
||||
Some netorks come without the last(s) bytes (i.e. 170.254.25/24)'''
|
||||
to_return = []
|
||||
for net in networks:
|
||||
try:
|
||||
to_return.append(ip_network(net))
|
||||
except ValueError:
|
||||
ip, mask = net.split('/')
|
||||
iplist = ip.split('.')
|
||||
iplist = iplist + ['0'] * (4 - len(iplist))
|
||||
to_return.append(ip_network('{}/{}'.format('.'.join(iplist), mask)))
|
||||
return to_return
|
||||
|
||||
async def get_originating_prefixes(self):
|
||||
reader, writer = await asyncio.open_connection(self.hostname, self.port)
|
||||
writer.write(b'-k\n')
|
||||
while True:
|
||||
asn = self.redis_cache.spop('asns_to_lookup')
|
||||
if not asn:
|
||||
break
|
||||
self.logger.debug('ASN lookup: {}'.format(asn))
|
||||
to_send = '-d ris-prefixes {} list_prefixes=true types=o af=v4,v6 noise=filter sourceapp={}\n'.format(asn, self.sourceapp)
|
||||
writer.write(to_send.encode())
|
||||
try:
|
||||
data = await reader.readuntil(b'\n}\n')
|
||||
except asyncio.streams.LimitOverrunError:
|
||||
self.logger.debug('ASN lookup failed: {}'.format(asn))
|
||||
self.redis_cache.sadd('asns_to_lookup', asn)
|
||||
writer.close()
|
||||
reader, writer = await asyncio.open_connection(self.hostname, self.port)
|
||||
|
||||
ris_prefixes = json.loads(data)
|
||||
p = self.redis_cache.pipeline()
|
||||
if ris_prefixes['prefixes']['v4']['originating']:
|
||||
self.logger.debug('{} has ipv4'.format(asn))
|
||||
fixed_networks = self.fix_ipv4_networks(ris_prefixes['prefixes']['v4']['originating'])
|
||||
p.sadd('{}|v4'.format(asn), *[str(net) for net in fixed_networks])
|
||||
total_ipv4 = sum([net.num_addresses for net in fixed_networks])
|
||||
p.set('{}|v4|ipcount'.format(asn), total_ipv4)
|
||||
if ris_prefixes['prefixes']['v6']['originating']:
|
||||
self.logger.debug('{} has ipv6'.format(asn))
|
||||
p.sadd('{}|v6'.format(asn), *ris_prefixes['prefixes']['v6']['originating'])
|
||||
total_ipv6 = sum([ip_network(prefix).num_addresses for prefix in ris_prefixes['prefixes']['v6']['originating']])
|
||||
p.set('{}|v4|ipcount'.format(asn), total_ipv6)
|
||||
p.execute()
|
||||
writer.write(b'-k\n')
|
||||
writer.close()
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
import logging
|
||||
import json
|
||||
from redis import Redis
|
||||
|
||||
from .libs.StatsRipeText import RIPECaching
|
||||
import asyncio
|
||||
|
||||
|
||||
class RISPrefixLookup(RIPECaching):
|
||||
|
||||
def __init__(self, sourceapp: str='bgpranking-ng', loglevel: int=logging.DEBUG):
|
||||
super().__init__(sourceapp, loglevel)
|
||||
self.logger.debug('Starting RIS Prefix fetcher')
|
||||
|
||||
def cache_prefix(self, redis_cache, ip, network_info, prefix_overview):
|
||||
prefix = network_info['prefix']
|
||||
asns = network_info['asns']
|
||||
# description = prefix_overview['block']['desc']
|
||||
# if not description:
|
||||
# description = prefix_overview['block']['name']
|
||||
p = redis_cache.pipeline()
|
||||
for asn in asns:
|
||||
p.hmset(ip, {'asn': asn, 'prefix': prefix}) # , 'description': description})
|
||||
p.expire(ip, 43200) # 12H
|
||||
p.execute()
|
||||
|
||||
async def run(self):
|
||||
redis_cache = Redis(host='localhost', port=6581, db=0, decode_responses=True)
|
||||
reader, writer = await asyncio.open_connection(self.hostname, self.port)
|
||||
|
||||
writer.write(b'-k\n')
|
||||
while True:
|
||||
ip = redis_cache.spop('for_ris_lookup')
|
||||
if not ip: # TODO: add a check against something to stop the loop
|
||||
self.logger.debug('Nothing to lookup')
|
||||
await asyncio.sleep(10)
|
||||
continue
|
||||
if redis_cache.exists(ip):
|
||||
self.logger.debug('Already cached: {}'.format(ip))
|
||||
continue
|
||||
self.logger.debug('RIS lookup: {}'.format(ip))
|
||||
to_send = '-d network-info {} sourceapp={}\n'.format(ip, self.sourceapp)
|
||||
writer.write(to_send.encode())
|
||||
data = await reader.readuntil(b'\n}\n')
|
||||
network_info = json.loads(data)
|
||||
if not network_info.get('prefix'):
|
||||
self.logger.warning('The IP {} does not seem to be announced'.format(ip))
|
||||
continue
|
||||
# self.logger.debug('Prefix lookup: {}'.format(ip))
|
||||
# to_send = '-d prefix-overview {} sourceapp={}\n'.format(network_info['prefix'], self.sourceapp)
|
||||
# writer.write(to_send.encode())
|
||||
# data = await reader.readuntil(b'\n}\n')
|
||||
# prefix_overview = json.loads(data)
|
||||
# self.logger.debug('RIS cache prefix info: {}'.format(ip))
|
||||
# self.cache_prefix(redis_cache, ip, network_info, prefix_overview)
|
||||
self.cache_prefix(redis_cache, ip, network_info, {})
|
||||
writer.write(b'-k\n')
|
||||
writer.close()
|
||||
Loading…
Reference in New Issue