Delete/List Redis Stale Keys

redis_cleanup.py

#!/usr/bin/env python

from __future__ import print_function

import redis
import sys

if len(sys.argv) < 2:
    print("python redis_cleanup.py delete|list".format())
    sys.exit(-1)

action = sys.argv[1]
pattern = sys.argv[2]

r = redis.StrictRedis(host='localhost', port=6379, db=0)
counter = 0

for key in r.scan_iter(pattern):
    # if counter > 100:
        # break
    idle = r.object("idletime", key)
    # idle time is in seconds. This is 180 days
    if idle > (180 * 24 * 3600):
        counter += 1

        if action == "delete":
            print("%10s %-15s %s" % (action, idle, key,))
            r.delete(key)
        elif action == "list":
            print("%10s %-15s %s" % (action, idle, key,))
        else:
            print("%10s %-15s %s" % ("-", idle, key,))

print(counter)