I mean the reevaluation of dist classes. Don't open a ticket, I already reported this.
Justin Lloyd wrote: > Which part, the re-evaluation of the dist class on each iteration or the > existence of multiple classes from the same base dist class? I'll open a > ticket based on your response. > > Thanks, > Justin > > -----Original Message----- > From: Mark Burgess [mailto:mark.burg...@iu.hio.no] > Sent: Wednesday, March 10, 2010 12:11 PM > To: Justin Lloyd > Cc: help-cfengine@cfengine.org > Subject: Re: Defining classes using "dist" > > > This sounds like a bug. > > Justin Lloyd wrote: >> This is just an FYI post, so feel free to ignore my rambling if you're >> not interested in some slightly deeper mechanics. :) >> >> So, I've learned something this morning. As I recall from reading, >> Cfengine iterates its agent ordering (vars, classes, etc.) up to three >> times. A close examination of verbose agent output shows this in lines >> like "files in bundle dg (1)", etc. >> >> In further diagnosing an issue I'm having, I noticed that the >> dist_percent class I created is evaluated during each such ordering >> iteration, rather than once for each invocation of cf-agent as I had >> originally thought. Thus, my promise that is conditional based upon > the >> existence of dist_percent_1 might be evaluated during the second >> iteration, where dist_percent_1 might be true for any or none of the >> three iterations of a given cf-agent invocation. So rather than my >> original statement that cf-agent runs 288 times per day (12 times per >> hour * 24 hours), the dist promise happens up to three times as often, >> meaning the number of times dist_percent_1 being defined is not 1% of >> 288 but 1% of 288*3, or 2.8*3 = 8-9 times per day. >> >> However, since the specific class promise I want evaluated only > happens >> during one of the three ordering iterations, the chances of >> percent_dist_1 occurring during the iteration when the desired promise >> would be evaluated would be 1/3rd of the total percent, bringing it > back >> down to the original 2-3 times per day. I only discuss this since it > is >> good to understand the actual mechanics of what is happening with dist >> promises. >> >> On a related note, I had another question in my mind answered by > verbose >> output during my testing: >> >> nova> ========================================================= >> nova> classes in bundle asset (3) >> nova> ========================================================= >> nova> >> nova> >> nova> + Private classes augmented: >> nova> + dist_percent_99 >> nova> + dist_percent >> nova> + dist_percent_1 >> nova> + fetched_asset_data >> nova> + dg_runtime_gold >> >> As you can see, dist classes are NOT mutually exclusive, as the _1 and >> _99 classes are both defined at the same time during this particular >> iteration of the asset bundle. I wasn't sure from the documentation >> whether this was the case, but this confirms it. The documentation > does >> state, however, that the base dist_percent class would always be >> defined. >> >> Justin >> >> >> -----Original Message----- >> From: help-cfengine-boun...@cfengine.org >> [mailto:help-cfengine-boun...@cfengine.org] On Behalf Of Justin Lloyd >> Sent: Wednesday, March 10, 2010 10:02 AM >> To: nwat...@symcor.com >> Cc: help-cfengine@cfengine.org; help-cfengine-boun...@cfengine.org >> Subject: RE: Evaluating a promise occasionally >> >> Now that I re-read the splayclass description in the morning when I'm >> fresh and not in the evening when I'm worn out, I actually understand >> it. For this specific case, however, it appears slightly too limited, >> since I want the class defined 2-3 times per day. Splayclass can only >> take "hourly" or "daily" as its second argument. >> >> At least now I know I can use it for other stuff in the future now > that >> I understand it. :) >> >> Thanks, >> Justin >> >> -----Original Message----- >> From: nwat...@symcor.com [mailto:nwat...@symcor.com] >> Sent: Wednesday, March 10, 2010 9:58 AM >> To: Justin Lloyd >> Cc: help-cfengine@cfengine.org; help-cfengine-boun...@cfengine.org >> Subject: RE: Evaluating a promise occasionally >> >> Splayclass? >> >> Sincerely, >> -- >> Neil Watson >> 416-673-3465 >> >> This electronic communication and any attachments may contain >> confidential and proprietary >> information of DigitalGlobe, Inc. If you are not the intended > recipient, >> or an agent or employee >> responsible for delivering this communication to the intended > recipient, >> or if you have received >> this communication in error, please do not print, copy, retransmit, >> disseminate or >> otherwise use the information. Please indicate to the sender that you >> have received this >> communication in error, and delete the copy you received. DigitalGlobe >> reserves the >> right to monitor any electronic communication sent or received by its >> employees, agents >> or representatives. >> >> _______________________________________________ >> Help-cfengine mailing list >> Help-cfengine@cfengine.org >> https://cfengine.org/mailman/listinfo/help-cfengine >> _______________________________________________ >> Help-cfengine mailing list >> Help-cfengine@cfengine.org >> https://cfengine.org/mailman/listinfo/help-cfengine > -- Mark Burgess ------------------------------------------------- Professor of Network and System Administration Oslo University College, Norway Personal Web: http://www.iu.hio.no/~mark Office Telf : +47 22453272 ------------------------------------------------- _______________________________________________ Help-cfengine mailing list Help-cfengine@cfengine.org https://cfengine.org/mailman/listinfo/help-cfengine
