#!/usr/bin/python # -*- coding: utf-8 -*- # GNU GPL v3 # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see # https://github.com/regilero/check_burp_backup_age # check_burp_backup_age: Local check, Check freshness of last backup for # a given host name. import sys import os import argparse import time import datetime class CheckBurp(object): def __init__(self): self._program = "check_burp_backup_age" self._version = "1.0" self._author = "Régis Leroy (regilero)" self._nick = "BURP" self._ok = 0 self._warning = 1 self._critical = 2 self._unknown = 3 self._pending = 4 self.args = None self.diff_min = None def critical(self, msg): print '{0} CRITICAL - {1}'.format(self._nick, msg) sys.exit(self._critical) def warning(self, msg): print '{0} WARNING - {1}'.format(self._nick, msg) sys.exit(self._warning) def unknown(self, msg): print '{0} UNKNOWN - {1}'.format(self._nick, msg) sys.exit(self._unknown) def ok(self, msg): print '{0} OK - {1}'.format(self._nick, msg) sys.exit(self._ok) def opt_parser(self): parser = argparse.ArgumentParser( prog=self._program, description=("Local check, Check freshness of last backup for a " "given host name.\n\nRunning on the backup server " "this program will check the timestamp file of the " "last backup for a given host and get the age of this" " last successful run. This age is then compared to " "thresolds to generate alerts."), epilog=("Note that this is a local check, running on the backup " "server.\nSo the hostname argument is not used to perform" " any distant connection.\n")) parser.add_argument('-v', '--version', version='%(prog)s {0}'.format(self._version), action='version', help='show program version') parser.add_argument('-H', '--hostname', required=True, nargs='?', help=('hostname (directory name for burp) ' '[default: %(default)s]')) parser.add_argument('-d', '--directory', default='/backups', nargs='?', help=('base directory path for backups (where are ' 'the backups?) [default: %(default)s]')) parser.add_argument('-w', '--warning', default=1560, const=1560, type=int, nargs='?', help=('Warning thresold, time in minutes before ' 'going to warning [default: %(default)s]')) parser.add_argument('-c', '--critical', default=1800, const=1800, type=int, nargs='?', help=('Critical thresold, time in minutes before ' 'going to critical [default: %(default)s]')) self.args = vars(parser.parse_args()) if self.args['warning'] >= self.args['critical']: self.unknown(('Warning thresold ({0}) should be lower than the ' 'critical one ({1})').format(self.args['warning'], self.args['critical'])) self.bckpdir = self.args['directory'] + '/' + self.args['hostname'] self.bckpdircur = self.bckpdir + '/current' self.ftimestamp = self.bckpdircur + '/timestamp' def test_backup_dirs(self): if not os.path.isdir(self.args['directory']): self.critical(('Base backup directory {0}' ' does not exists').format(self.args['directory'])) if not os.path.isdir(self.bckpdir): self.critical(('Host backup directory {0}' ' does not exists').format(self.bckpdir)) if not os.path.isdir(self.bckpdircur): self.critical(('Current Host backup directory {0}' ' does not exists').format(self.bckpdircur)) def read_backup_timestamp(self): if not os.path.isfile(self.ftimestamp): self.critical(('timestamp file ' 'does not exists ({0})').format(self.ftimestamp)) lines = [] with open(self.ftimestamp) as f: lines = f.readlines() if not len(lines): self.critical(('timestamp file seems' ' to be empty ({0})').format(self.ftimestamp)) tline = lines.pop() parts = tline.split() if not 3 == len(parts): self.critical(('invalid syntax in ' 'timestamp file ({0})').format(self.ftimestamp)) btime = time.strptime(parts[1] + ' ' + parts[2], "%Y-%m-%d %H:%M:%S") btime = datetime.datetime(*btime[:6]) ctime = time.localtime() ctime = datetime.datetime(*ctime[:6]) diff = ctime-btime self.diff_min = int((diff.seconds + (diff.days * 24 * 3600))/60) self.diff_human = ('{0} day(s) {1:02d} hour(s) {2:02d} ' 'minute(s)').format(diff.days, diff.seconds//3600, (diff.seconds//60) % 60) def test_thresolds(self): if self.diff_min >= self.args['warning']: if self.diff_min >= self.args['critical']: self.critical(('Last backup is too old: ' '{0} ({1}>={2})').format(self.diff_human, self.diff_min, self.args['critical'])) else: self.warning(('Last backup starts to get old: ' '{0} ({1}>={2})').format(self.diff_human, self.diff_min, self.args['warning'])) else: self.ok(('Last backup is fresh enough: ' '{0} ({1}<{2})').format(self.diff_human, self.diff_min, self.args['warning'])) def run(self): self.opt_parser() self.test_backup_dirs() self.read_backup_timestamp() self.test_thresolds() self.unknown('No exit made before end of check, this is not normal.') def main(): try: check_burp = CheckBurp() check_burp.run() except Exception, e: print 'Unknown error UNKNOW - {0}'.format(e) sys.exit(3) if __name__ == "__main__": main()