Date: Mon, 23 Jun 2014 11:28:25 -0700 From: Eitan Adler <lists@eitanadler.com> To: Willem Jan Withagen <wjw@digiware.nl> Cc: freebsd-hackers@freebsd.org, Alfred Perlstein <alfred@freebsd.org> Subject: Re: Improve cron(8) Message-ID: <CAF6rxgk8_z8CFNyC6MDSdpnX1VAxwJ5xbFL3zY4kVw283ozfbA@mail.gmail.com> In-Reply-To: <53A82008.9050002@digiware.nl> References: <CAN3T69vCQTb1hU%2BAUKg%2BKLgsuCttLxYS6u2r9k3w5LM2D4zZoA@mail.gmail.com> <53A72666.8090101@cox.net> <53A78C13.8030909@freebsd.org> <53A82008.9050002@digiware.nl>
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On 23 June 2014 05:39, Willem Jan Withagen <wjw@digiware.nl> wrote: > On 2014-06-23 4:08, Alfred Perlstein wrote: >> >> On 6/22/14 11:54 AM, John D. Hendrickson and Sara Darnell wrote: >>> >>> Eitan Adler wrote: >>>> >>>> +arch since hackers@ seems to be silent. >>>> >>>> On 11 June 2014 23:56, Tomek Wa=C5=82aszek <tmwalaszek@gmail.com> wrot= e: >>>>> >>>>> Hello, >>>>> I saw on the FreeBSD Ideas page topic about cron :). >>>>> I've started updating the 'original' FreeBSD cron from sources to >>>>> vixi cron >>>>> 4.1. I think (well I hope :P) most of the features that were done in >>>>> FreeBSD cron are now ported into vixi cron 4.1, there are unfortunate= ly >>>>> some missing features at the moment: >>>>> - @every_second - this need to be done >>>>> - -s and -o, in vixi cron 4.1 daylight time switches are enabled by >>>>> default, at the moment there is no -s and -o options. So you need to >>>>> remove >>>>> '-s' from the cron rc script >>>>> >>>>> I've also added one feature from OpenBSD, crontab is poking cron usin= g >>>>> unix-domain socket so we don't need to have suid on crontab. >>>>> >>>>> Path is in the attachment. I'm testing it on my FreeBSD box and it >>>>> looks >>>>> good but anyway don't try it on production machines :). >>>>> >>>>> After the installation we have to do a few things: >>>>> - Add crontab group >>>>> - Change group to crontab on /var/cron/tabs >>>>> - Add sticky bit on /var/cron/tabs >>>>> - Add group write permissions on /var/cron/tabs >>>>> >>>>> This is still work in progress but if someone could have a look on >>>>> this and >>>>> give me some feedback it would be great. >>>>> >>>>> Regards, >>>>> Tomasz Walaszek > > > >>> >>> you should up the version number or start your own renamed application > > >> Tomek, please don't let messages like this dissuade you from >> participating. Please do continue this work, it seems very promising. >> Thank you! >> >> I was myself looking forward to having these additions. Very cool. > > > Hi Tomek, > > One of the things I like in some of the other cron's is the possibility t= o > add files to something like: /var/cron.d. > This as contract to /var/cron/tabs, where files need to <username> and ar= e > executed under that users privilidges. > > Reason that this would be convenient is that tools like puppet don't need= to > start editing files to remove crontab lines. Which IMHO is always more ha= iry > then just adding/deleting/updating a file called: > /var/cron.d/tool-ABC.cron This is absolutely useful and has existed in every large scale envrionment I know of. --=20 Eitan Adler
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