[debbugs-tracker] bug#22619: closed (postgresql-service error checking wtf)

[GNU bug Tracking System]

Your message dated Sun, 21 Feb 2016 12:38:03 +0100
with message-id <address@hidden>
and subject line Re: bug#22619: postgresql-service error checking wtf
has caused the debbugs.gnu.org bug report #22619,
regarding postgresql-service error checking wtf
to be marked as done.

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-- 
22619: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22619
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> --- Begin Message ---
>
>
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> Subject: 
>
> postgresql-service error checking wtf
>
>
>
>
> Date: 
>
> Wed, 10 Feb 2016 20:01:43 +0100
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>
>
>
> Package: postgresql
>
> When I first configure operating-system with postgresql-service with default 
> config file, then run
>
> guix system reconfigure config.scm,
>
> then configure operating-system with postgresql-service with custom config 
> file, then run
>
> guix system reconfigure config.scm,
>
> I get:
>
> ---
> initdb: directory "/var/lib/postgresql/data" exists but is not empty
> If you want to create a new database system, either remove or empty
> the directory "/var/lib/postgresql/data" or run initdb
> with an argument other than "/var/lib/postgresql/data".
> making '/gnu/store/byn534fg4agm0vv9szl5kkfl19n080b2-system' the current 
> system...
> Installation finished. No error reported.
> ----
>
> Postgresql doesn't run and the error message still references the default 
> config file.
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#22619: postgresql-service error checking wtf
>
>
>
>
> Date: 
>
> Sun, 21 Feb 2016 12:38:03 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
>
>
>
>
> Danny Milosavljevic <address@hidden> skribis:
>
> > The actual problem only arises because guix reconfigure doesn't deem a change 
> > in service arguments as reason to restart (or reconfigure) a service.
> >
> > I.e. before, my config was:
> >
> > (postgresql-service )
> >
> > Then I did guix reconfigure ...
> >
> > Afterwards, I changed the config to:
> >
> > (postgresql-service #:config-file ...)
> >
> > Then I did giux reconfigure   # this erroneously doesn't reload the postgres 
> > service!!
>
> Yes, this is a known limitation: <http://bugs.gnu.org/22039>.
>
> Currently, for services that are safe to be restarted, the solution is
> to explicitly stop them beforehand, in which case the new service gets
> started by ‘guix system reconfigure’:
>
>   # herd stop postgresql
>   # guix system reconfigure new-config.scm
>
> I’m closing this bug.  Let me know if anything else is amiss.
>
> Thanks,
> Ludo’.
>
>
> --- End Message ---