> -----Original Message----- > From: Lucas Meneghel Rodrigues [mailto:l...@redhat.com] > Sent: Monday, May 28, 2012 9:53 AM > To: DeFolo, Daniel > Cc: autotest@test.kernel.org > Subject: Re: [Autotest] metahost scehduler question > > On Thu, 2012-05-24 at 21:11 +0000, DeFolo, Daniel wrote: > > Hi all, > > > > > > > > I’ve been investigating the metahost scheduling options and am > > wondering if I’m missing something or if it doesn’t support the style > > of scheduling I want to do. I’m wanting to schedule jobs using > > criteria like the following: > > > > > > > > Run job on 1 system with LABEL1 AND LABEL2 AND LABEL3… > > > > > > Is this type of scheduling just not an option at this point? > > You're right, meta scheduling for more than one label is still not supported. > > > > > > > If I wanted to add to the scheduling options I was thinking of the > > following approach: > > > > > > > > Scheduler code: > > > > - Update the metahost scheduler to accept a list of labels > > that must all match to select a host > > > > - Decide what to do if no hosts match (raise an exception, > > email user, or just queue up the job and wait for a matching host to > > appear). My preference would be to assure at least 1 accessible (in > > terms of ACL) host exists before creating the job. Errors would be > > given to the user in a similar manner to if they had specified a > > non-existent label. > > What to do here can be a little tricky. The way I see it, the behavior should > be > as such: > > * Provided that there *are* machines that satisfy all the conditions > specified > in the grid, then the job should be scheduled. > * If there are no such machines in the grid, a clear error message should be > returned to the user, an email reiterating the message would be a nice > complement to this approach. > > > > > > > CLI: > > > > - Expand -m option to support -m 1*label1,label2,label3 style > > of syntax > > > > - Add new option --metahost-match-count <N> which when paired > > with -b labels is the equivalent of the above -m syntax > > > > > > > > Frontend: > > > > - Update the “Specify host labels” tab of the Create Job page > > to use a multi-select enabled combo-box for the “Run on any hosts > > with label” prompt > > > > > > > > Comments? > > The approach is fine, you may work on it if you have time available, an issue > to track the work item would be nice as well.
Issue 383 has been filed to track this. -Dan _______________________________________________ Autotest mailing list Autotest@test.kernel.org http://test.kernel.org/cgi-bin/mailman/listinfo/autotest
