92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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#!/usr/bin/python
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import pymysql
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import hashlib
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import json
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import urllib.request
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import base64
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import time
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import datetime
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import redis
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import os
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import sys
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import functools
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CONFIG_DIR = './'
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context = {
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'channel': 0,
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'dbname_prefix': ''
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}
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def scanKeys(r, key_prefix, matched_keys):
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scan_key = key_prefix + '*'
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keys = []
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cursor, keys = r.scan(0, scan_key, 1000)
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scan_count = 0
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while cursor != 0 or len(keys) > 0:
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for key in keys:
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matched_keys[key] = key
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#end
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keys = []
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if cursor != 0:
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cursor, keys = r.scan(cursor, scan_key, 1000)
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scan_count += 1
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if scan_count > 10000:
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break
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#end while cursor
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def saveKeys(r, keys, curr_file):
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for key in keys:
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data = r.get(key)
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expire = r.ttl(key)
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curr_file.write(json.dumps(
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{
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'cmd': 'set',
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'key': key,
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'data':data
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}
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) + '\n')
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curr_file.write(json.dumps(
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{
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'cmd': 'expire',
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'key': key,
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'time': expire
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}
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) + '\n')
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if expire < 0:
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print('[ERROR] ' + key + ' ttl < 0')
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if expire > 3600 * 24:
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print('[ERROR] ' + key + ' ttl > 3600 * 24')
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def exportRedis(context, redis_conf, redis_rule_conf):
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curr_file = open(context['out_dir'] + context['channel'] + '.redis', 'w')
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for conf in redis_conf:
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r = redis.Redis(host = conf['host'],
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port = conf['port'],
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password = conf['passwd'],
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decode_responses = True
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)
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for rule in redis_rule_conf:
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matched_keys = {}
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scanKeys(r, rule['key_prefix'], matched_keys)
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saveKeys(r, matched_keys, curr_file)
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#end for conf
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def main():
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global context
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if not os.path.exists(CONFIG_DIR + 'out/'):
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os.mkdir(CONFIG_DIR + 'out/')
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if not os.path.exists(CONFIG_DIR + 'out/' + context['channel']):
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os.mkdir(CONFIG_DIR + 'out/' + context['channel'])
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context['out_dir'] = CONFIG_DIR + 'out/' + context['channel'] + '/'
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db_conf = json.loads(open(CONFIG_DIR + context['channel'] + '/mysql.json', 'r').read())
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redis_conf = json.loads(open(CONFIG_DIR + context['channel'] + '/redis.json', 'r').read())
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db_rule_conf = json.loads(open(CONFIG_DIR + 'common/mysql_rule.json', 'r').read())
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redis_rule_conf = json.loads(open(CONFIG_DIR + 'common/redis_rule.json', 'r').read())
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exportRedis(context, redis_conf, redis_rule_conf)
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if __name__ == "__main__":
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context['channel'] = sys.argv[1]
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main()
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