On Thu, 2008-10-09 at 09:40 -0400, seth vidal wrote: > On Mon, 2008-10-06 at 17:39 -0400, Michael DeHaan wrote: > > Michael DeHaan wrote: > > > It would be nice to have a way to issue offline orders to minions so > > > they could check in when they come online (via XMLRPC) and then see if > > > they have any orders. > > > > > > This is the other mode of communication we would like to support in > > > order to enable Func to replace OSAD in Spacewalk. > > > > > > For example, "this node should yum update the next time I see it" is > > > different from "this node should update now if it's online". > > > > > > Anyone have any thoughts on implementations? > > > > > > --Michael > > > > > > _______________________________________________ > > > Func-list mailing list > > > Func-list@xxxxxxxxxx > > > https://www.redhat.com/mailman/listinfo/func-list > > > > To elaborate, basically with what we have here and also the new cobbler > > "config file templating" feature, we have the makings of a much easier > > to understand config management tool, all in Python, and all very easy > > to understand. This could be the beginings of "RRS" (remote rocket > > surgery) built on Cobbler+Func. (See also recent Cobbler integration). > > > > We just need a way to address offline nodes, basically. > > > > Offline commands are fine if you don't expect some sort of response from > the command, right? > > We'd need something more or less like this: > > for each host > if ping host > do command > else > store command and retry > > the retry trick only works well if we have another daemon running that > stores the commands and the responses, I think, I guess we could do it > with a regularly scheduled cron job to look for unrun jobs but.... No I think the better implementation should be: for each host if ping host do command else store command And nothing more on "server side" When my minion will be "online" it will send to overlord/certmaster a "return online message" and then, on my server I've something like search for hostname queued_command for each command do command So I don't need another daemon/thread running that pool all offline clients. I could have a lot of net traffic. Bye Marco > > -sv > > _______________________________________________ > Func-list mailing list > Func-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/func-list -- Dott. Ing. Mornati Marco Byte-Code s.r.l via Antonio Cechov, 1 San Giuliano Milanese (MI) E-Mail: mmornati@xxxxxxxxxxxxx
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