Elasticsearch的一个清理Index脚本

前言

• 公司在刚开始进行elk调研的时候，肯定会考虑到磁盘的增长，导致会自动清理掉一部分时间久远的日志内容

使用python编写这个脚本

• Retention为想最多保存的天数，可以根据自己的集群磁盘容量进行合适的调整

#!/usr/bin/env python
# -*- conding:utf-8 -*-
# Author : QiuMeng


import urllib
import urllib2
import json
import datetime

Retention = 30

today = datetime.datetime.now()

def http_delete(index_name):
    url = 'http://127.0.0.1:9200/' + index_name
    request = urllib2.Request(url)
    request.get_method = lambda:'DELETE'
    request = urllib2.urlopen(request)
    return request.read()

home_url = 'http://127.0.0.1:9200/_cat/indices'
response = urllib2.urlopen(home_url)
index_list = response.read()

file = open('Index_List','w+')
file.write(index_list)

with open('Index_List','r') as f:
    for line in file.readlines():
        for i in line.split('	'):
        index_date = i.split()[2][-10:]
        if len(index_date) == 10:
            date_day = datetime.datetime.strptime(index_date,'%Y.%m.%d')
            diff = (today-date_day).days
            if diff > Retention:
                index_name = i.split()[2]
                http_delete(index_name)