nagios script; check access / modified / creation age

check_time.py

#!/usr/bin/env python

import os
import sys
import time
import argparse

def main():
    parser = argparse.ArgumentParser(description='check access / modified / creation age')
    parser.add_argument('path', help='path to check')
    parser.add_argument('warning', type=float, help='warning limit (in seconds)')
    parser.add_argument('error', type=float, help='error limit (in seconds)')
    parser.add_argument('--time', choices=['atime', 'mtime', 'ctime'], default='mtime', help='time to use')
    args = parser.parse_args()
    
    if not os.path.exists(args.path):
        print('UNKNOWN %s does not exist' % args.path)
        return 3
    
    stat = os.stat(args.path)
    xtime = getattr(stat, 'st_%s' % args.time)
    age = time.time() - xtime
    
    if age >= args.error:
        print('ERROR %s is too old %d s' % (args.path, age))
        return 2
    if age >= args.warning:
        print('WARNING %s is too old %d s' % (args.path, age))
        return 1
    print('OK %s is %d s old' % (args.path, age))
    return 0

if __name__ == '__main__':
    code = main()
    sys.exit(code)