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{ config, lib, pkgs, ... }:
let cfg = config.services.hydron;
in with lib; {
options.services.hydron = {
enable = mkEnableOption "hydron";
dataDir = mkOption {
type = types.path;
default = "/var/lib/hydron";
example = "/home/okina/hydron";
description = "Location where hydron runs and stores data.";
};
interval = mkOption {
type = types.str;
default = "hourly";
example = "06:00";
description = ''
How often we run hydron import and possibly fetch tags. Runs by default every hour.
The format is described in
<citerefentry><refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>.
'';
};
listenAddress = mkOption {
type = types.nullOr types.str;
default = null;
example = "127.0.0.1:8010";
description = "Listen on a specific IP address and port.";
};
importPaths = mkOption {
type = types.listOf types.path;
default = [];
example = [ "/home/okina/Pictures" ];
description = "Paths that hydron will recursively import.";
};
fetchTags = mkOption {
type = types.bool;
default = true;
description = "Fetch tags for imported images and webm from gelbooru.";
};
};
config = mkIf cfg.enable {
systemd.services.hydron = {
description = "hydron";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
preStart = ''
# Ensure folder exists and permissions are correct
mkdir -p ${escapeShellArg cfg.dataDir}/images
chmod 750 ${escapeShellArg cfg.dataDir}
chown -R hydron:hydron ${escapeShellArg cfg.dataDir}
'';
serviceConfig = {
PermissionsStartOnly = true;
User = "hydron";
Group = "hydron";
ExecStart = "${pkgs.hydron}/bin/hydron serve"
+ optionalString (cfg.listenAddress != null) " -a ${cfg.listenAddress}";
};
};
systemd.services.hydron-fetch = {
description = "Import paths into hydron and possibly fetch tags";
serviceConfig = {
Type = "oneshot";
User = "hydron";
Group = "hydron";
ExecStart = "${pkgs.hydron}/bin/hydron import "
+ optionalString cfg.fetchTags "-f "
+ (escapeShellArg cfg.dataDir) + "/images " + (escapeShellArgs cfg.importPaths);
};
};
systemd.timers.hydron-fetch = {
description = "Automatically import paths into hydron and possibly fetch tags";
after = [ "network.target" ];
wantedBy = [ "timers.target" ];
timerConfig.OnCalendar = cfg.interval;
};
users = {
groups.hydron.gid = config.ids.gids.hydron;
users.hydron = {
description = "hydron server service user";
home = cfg.dataDir;
createHome = true;
group = "hydron";
uid = config.ids.uids.hydron;
};
};
};
meta.maintainers = with maintainers; [ chiiruno ];
}
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