GNU bug report logs - #31911
[PATCH] services: Add prometheus-node-exporter-service-type.

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From: Gábor Boskovits <boskovits <at> gmail.com>
To: Clément Lassieur <clement <at> lassieur.org>
Cc: 31911-done <at> debbugs.gnu.org
Subject: [bug#31911] services: Add prometheus-node-exporter-service-type.
Date: Mon, 9 Jul 2018 16:12:37 +0200

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Clément Lassieur <clement <at> lassieur.org> ezt írta (időpont: 2018. júl. 9.,
H, 11:17):

> Hi Gábor,
>
> Gábor Boskovits <boskovits <at> gmail.com> writes:
>
> > Pushed to master as a33652ee336ae9a5d2ab5fd54bf2397caec42a0e.
>
> > +          (test-assert "prometheus-node-exporter running"
> > +            (marionette-eval
> > +             '(begin
> > +                (use-modules (gnu services herd))
> > +                (match (start-service 'prometheus-node-exporter)
> > +                  (#f #f)
> > +                  (('service response-parts ...)
> > +                   (match (assq-ref response-parts 'running)
> > +                     ((pid) (number? pid))))))
> > +             marionette))
>
> The PID check is useless because START-SERVICE will return #f if the
> service fails to start.  Instead, I'd use:
>
>           (test-assert "prometheus-node-exporter running"
>             (marionette-eval
>              '(begin
>                 (use-modules (gnu services herd))
>                 (start-service 'prometheus-node-exporter))
>              marionette))
>
> This would also make the test more robust to service changes (e.g. it
> would still work if MAKE-FORKEXEC-CONSTRUCTOR is removed).
>
>
Thanks, I will adjust accordingly. Incidentally the code is almost the same
as in hpcguix-web test. Should we also adjust that?


> Clément
>

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