如何设置一个系统来告诉我 cron 作业是否运行正常？
这更多的是一个“通用架构”问题。如果您有一个定期运行的 cron 作业（甚至是 Windows 计划任务），那么让它向您发送一封电子邮件/短信表明一切正常，这有点简单，但是当一切正常时我如何得到通知不好吗？基本上，如果作业没有在预定时间运行，或者 Windows / Linux 有自己的一组挂起阻止任务运行......？
只是寻求以前遇到过这种情况的人的想法并提出有趣的解决方案......
This is more of an "general architecture" problem. If you have a cron job (or even a Windows scheduled task) running periodically, its somewhat simple to have it send you an email / text message that all is well, but how do I get informed when everything is NOT okay? Basically, if the job doesn't run at its scheduled time or Windows / linux has its own set of hangups that prevent the task from running...?
Just seeking thoughts of people who've faced this situation before and come up with interesting solutions...
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我过去这样做的一种方法是简单地放在每个脚本的顶部（例如
checkUsers.sh）：然后使用
find定期运行另一个作业code> 来查找tmp/lastrun中超过一天的所有“标记”文件。您可以调整时间，使用
/tmp/lastrun/hour/和tmp/lastrun/day/来分隔具有不同计划的作业。请注意，这不会捕获从未运行的脚本，因为它们永远不会为
find创建初始文件。为了缓解这种情况，您可以：而且，如果您的 cron 作业不是脚本，请将
touch直接放入crontab中：验证简单的
find脚本比验证简单得多验证您的每一项cron作业。A way I've done it in the past is to simply put at the top of each script (say,
checkUsers.sh):then have another job that runs periodically that uses
findto locate all those "marker" files intmp/lastrunthat are older than a day.You can fiddle with the timings, having
/tmp/lastrun/hour/andtmp/lastrun/day/to separate jobs that have different schedules.Note that this won't catch scripts that have never run since they will never create the initial file for
find-ing. To alleviate that, you can either:And, if your cron job is not a script, put the
touchdirectly intocrontab:It's a lot easier to validate a simple
findscript than to validate every one of yourcronjobs.