elasticsearch auto delete old indices
2024-08-25 13:44:48
定在crontab 每天执行
crontab -e
* 2 * * * ~/autodelete.py
Python 代码如下
#!/usr/bin/env python
# encoding:utf-8
'''
'''
__author__ = 'moryaden at qq.com'
import sys
import argparse
import re
import os
import traceback
import logging.config
import datetime
# install with `pip install elasticsearch`
# for es 0.9x, install elasticsearch-py 0.4.x
import elasticsearch
def cfgLogging():
logpath = os.path.join("log")
if 'win' not in sys.platform:
os.system("mkdir -p " + logpath)
else:
if not os.path.exists(logpath):
os.makedirs(logpath)
LOGGING = {
'version': 1,
'disable_existing_loggers': True,
'formatters': {
'default': {'format': '[%(asctime)-25s] [%(relativeCreated)-15s] %(levelname)-10s pid:%(process)d %(message)s'},
# default': {
# 'format' : '%(asctime)s %(message)s',
# 'datefmt' : '%Y-%m-%d %H:%M:%S'
# }
},
'handlers': {
'console':{
'level':'DEBUG',
'class':'logging.StreamHandler',
'formatter': 'default'
},
'file': {
'level': 'DEBUG',
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename' : os.path.join(logpath, 'runlog.log'),
'maxBytes': 50 * 1024 * 1024, # 10M
'backupCount': 20,
'encoding' : 'utf8',
}
},
'loggers' : {
'' : {
'level' : 'DEBUG',
'handlers' : ['console', 'file'],
'propagate' : True
}
}
}
logging.config.dictConfig(LOGGING)
def parseCmdOptions():
parser = argparse.ArgumentParser()
parser.add_argument('-n', "--nday", help = "delete indices beyond which day, could specify -1, -2 and -n",
type = int, default = -7, choices = xrange(-10, 1))
cmdoptions = parser.parse_args()
return cmdoptions
def getDeadLineDate(day = -2):
dt_today = datetime.datetime.today()
time_delta = datetime.timedelta(day)
dead_line_day = dt_today + time_delta
return dead_line_day
def run():
logger = logging.getLogger('main')
cmdoptions = parseCmdOptions()
es_hosts = ['10.0.0.1', ]
es = elasticsearch.Elasticsearch(es_hosts)
dead_line_day = getDeadLineDate(cmdoptions.nday)
date_format = '%Y.%m.%d'
d = es.indices.get_alias('logstash*')
logger.info("I see all names {}".format(d.keys()))
for name in d:
m = re.search(r"^logstash.(.*)$", name)
if m:
s_date = m.group(1)
logdate = datetime.datetime.strptime(s_date, date_format)
if dead_line_day > logdate:
ack = es.indices.delete(name)
logger.info("deleting %s, ack={}".format(ack), name)
else:
logger.info("keeping %s", name)
def main():
try:
cfgLogging()
logger = logging.getLogger("main")
run()
except SystemExit:
pass
except:
logger.info('----->>>>>>>>>> {}'.format(traceback.format_exc()))
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
pass
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