Re: per-promise 'inform => "false"'?

"'Vratislav Podzimek' via help-cfengine" <[email protected]> Fri, 14 Jul 2023 12:15:02 +0200

Newsgroups	gmane.comp.sysutils.cfengine.general
Message-ID	<[email protected]>

On Fri, 2023-07-14 at 02:54 -0700, [email protected] wrote:
> Many thanks, NIck.  Appreciated.
> 
> No we're not running with inform as default.   So that part of my message was not as considered as
> it should have been, and took us down a cul-de-sac.  Apologies.
> 
> Nevertheless, when we run cf-agent manually, we habitually run with "-I".  I suppose this
> qualifies as local convention.
> 
> For reference here is the problematic part (bundle slightly reduced here) where we dump all
> classes, several hundred of them, into a state file:
> 
> ---------------------------------------------------------------
> bundle agent dls_reports
> {
>   vars:
>       "allclasses" slist => classesmatching(".*");
> 
>   files:
>     cfengine_3::
>       "$(sys.workdir)/state/allclasses.txt"
>         create => "true",
>         perms => mog("0644", "root", "root"),
>         edit_defaults => empty,
>         edit_line => insert_lines(@(allclasses));
> }
> ---------------------------------------------------------------
> 
> Try that in a test framework.  Up to and including version 3.15.5, "cf-agent -I ..." (manually at
> the console) is decently quiet at this point (a single diagnostic line telling us the file has
> been edited).  But at 3.18 its output swamps us!
A note here -- the insert_lines promise doesn't produce the info: lines if the promise is idempotent
(i.e. if it makes no changes when run multiple times). Which version exactly are you running?
Because since 3.18.1 there should be no info: messages if no changes are made to the file. OTOH, a
single line of difference causes all of the individual lines to be logged, I think.

One tip -- it might be useful to do sort() on the slist to ensure better consistency of the results.

--
Vratislav

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