On 19/07/2014 19:12, Andreas Herrmann wrote:
> Hi,
>
> I am now trying to get Tiny-Tiny-RSS [1] to work in NixOS via nixops.
> TTRSS is an RSS/Atom aggregator and reader that you can run on your own
> server and then access in multiple ways to read your news. (Including an
> android app).
>
> I implemented it as a subservice for httpd much like the mediawiki
> module. And, the app itself is working fine. However, TTRSS comes with a
> php-cgi script to update the feeds, that is intended to be run as a
> daemon [2]. And this poses the following question:
>
> Is it possible to define a service (daemon) from within an httpd
> subservice, and how can I do that? Or, will I have to define a separate
> (top-level) service that is manually activated in the machine
> configuration and somehow depends on the TTRSS installation path? Which
> way would you recommend, or prefer?
>
> My current attempt looks like this:
>
> -- machine configuration contains
> services.httpd = {
> enable = true;
> adminAddr = "ad...@example.com <mailto:ad...@example.com>";
> extraSubservices = singleton
> { function = import ./ttrss-service.nix;
> siteHostName = "192.168.56.101";
> };
> };
>
> -- subservice configuration contains
>
> systemd.services.ttrssUpdate = {
> description = "TTRSS feed-update daemon";
> wantedBy = [ "multi-user.target" ];
> after = [ "postgresql.service" "httpd.service" ];
> serviceConfig = {
> ExecStart = "${php}/bin/php ${ttrssRoot}/update.php --daemon";
> User = serverInfo.serverConfig.user;
> Restart = "always";
> };
> };
>
> Best, Andreas
>
> [1]: http://tt-rss.org/redmine/projects/tt-rss/wiki
> [2]: http://tt-rss.org/redmine/projects/tt-rss/wiki/UpdatingFeeds
>
>
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>
I'm not at all familiar in-depth with Nix yet, so I'm open to being
corrected on this, but could you not define a crontab entry that invokes
the updater, a la the "locate" service example [1] in the manual?
- B
[1]: http://nixos.org/nixos/manual/#locate-example
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