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|
{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) prayer;
cfg = config.services.prayer;
stateDir = "/var/lib/prayer";
prayerUser = "prayer";
prayerGroup = "prayer";
prayerExtraCfg = pkgs.writeText "extraprayer.cf" ''
prefix = "${prayer}"
var_prefix = "${stateDir}"
prayer_user = "${prayerUser}"
prayer_group = "${prayerGroup}"
sendmail_path = "/run/wrappers/bin/sendmail"
use_http_port ${cfg.port}
${cfg.extraConfig}
'';
prayerCfg = pkgs.runCommand "prayer.cf" { preferLocalBuild = true; } ''
# We have to remove the http_port 80, or it will start a server there
cat ${prayer}/etc/prayer.cf | grep -v http_port > $out
cat ${prayerExtraCfg} >> $out
'';
in
{
###### interface
options = {
services.prayer = {
enable = mkEnableOption "the prayer webmail http server";
port = mkOption {
default = "2080";
description = ''
Port the prayer http server is listening to.
'';
};
extraConfig = mkOption {
type = types.lines;
default = "" ;
description = ''
Extra configuration. Contents will be added verbatim to the configuration file.
'';
};
};
};
###### implementation
config = mkIf config.services.prayer.enable {
environment.systemPackages = [ prayer ];
users.users.${prayerUser} =
{ uid = config.ids.uids.prayer;
description = "Prayer daemon user";
home = stateDir;
};
users.groups.${prayerGroup} =
{ gid = config.ids.gids.prayer; };
systemd.services.prayer = {
wantedBy = [ "multi-user.target" ];
serviceConfig.Type = "forking";
preStart = ''
mkdir -m 0755 -p ${stateDir}
chown ${prayerUser}.${prayerGroup} ${stateDir}
'';
script = "${prayer}/sbin/prayer --config-file=${prayerCfg}";
};
};
}
|