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nixos/solanum: implement reload and allow config changes 

Reload only works with a static configuration path as there is no way to
pass the dynamically generated config path to a running solanum
instance, therefore we symlink the configuration to
/etc/solanum/ircd.conf.

But that will prevent reloads of the ircd, because the systemd unit
wouldn't change when the configuration changes. That is why we add the
actual location of the config file to restartTriggers and enable
reloadIfChanged, so changes will not restart, but reload on changes.

(cherry picked from commit 60c62214f5a3c7db6aa30d8a8e02c863b6abcf0a)
This commit is contained in:
Martin Weinelt 2021-05-31 03:21:51 +02:00
parent 0a8684cadd
commit 6ee61426da
1 changed files with 10 additions and 2 deletions
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12
nixos/modules/services/networking/solanum.nix
View File

@ -2,7 +2,7 @@
let
inherit (lib) mkEnableOption mkIf mkOption types;
inherit (pkgs) solanum;
inherit (pkgs) solanum util-linux;
cfg = config.services.solanum;
configFile = pkgs.writeText "solanum.conf" cfg.config;
@ -78,12 +78,20 @@ in
config = mkIf cfg.enable (lib.mkMerge [
{
environment.etc."solanum/ircd.conf".source = configFile;
systemd.services.solanum = {
description = "Solanum IRC daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
reloadIfChanged = true;
restartTriggers = [
configFile
];
serviceConfig = {
ExecStart = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile ${configFile} -pidfile /run/solanum/ircd.pid";
ExecStart = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile /etc/solanum/ircd.conf -pidfile /run/solanum/ircd.pid";
ExecReload = "${util-linux}/bin/kill -HUP $MAINPID";
DynamicUser = true;
User = "solanum";
StateDirectory = "solanum";