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|
flake:
{ config
, lib
, pkgs
, ...
}:
let
cfg = config.services.searchix;
package = flake.packages.${pkgs.system}.default;
settingsFormat = pkgs.formats.toml { };
env = {
ENVIRONMENT = "production";
LISTEN_ADDRESS = cfg.listenAddress;
PORT = (toString cfg.port);
BASE_URL = cfg.baseUrl;
CONFIG_FILE = settingsFormat.generate "searchix-config.toml" cfg.settings;
LOG_LEVEL = cfg.logLevel;
};
defaultServiceConfig = {
User = cfg.user;
Group = cfg.group;
ReadWritePaths = [ cfg.homeDir ];
StateDirectory = mkIf (cfg.homeDir == "/var/lib/searchix") [ "searchix" ];
Restart = "on-failure";
CacheDirectory = "searchix";
CapabilityBoundingSet = "";
DeviceAllow = "";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateMounts = true;
PrivateTmp = true;
PrivateUsers = true;
ProtectClock = true;
ProtectHome = true;
ProtectHostname = true;
ProtectSystem = "strict";
ProtectControlGroups = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged @setuid @keyring" ];
UMask = "0066";
};
inherit (lib) mkEnableOption mkOption mkIf optionalAttrs types;
in
{
options.services.searchix = {
enable = mkEnableOption "Searchix options search";
user = mkOption {
type = types.str;
default = "searchix";
description = "User account under which searchix runs.";
};
group = mkOption {
type = types.str;
default = "searchix";
description = "Group under which searchix runs.";
};
homeDir = mkOption {
type = types.path;
default = "/var/lib/searchix";
description = "Home directory for searchix user";
};
dates = mkOption {
type = types.singleLineStr;
default = "04:00";
example = "weekly";
};
port = mkOption {
type = types.port;
description = "Port for searchix to listen on";
default = 51313;
};
listenAddress = mkOption {
type = types.str;
description = "Listen on a specific IP address.";
default = "localhost";
};
baseUrl = mkOption {
type = types.str;
description = "The base URL that searchix will be served on.";
default = "http://localhost:3000";
};
sentryDsn = mkOption {
type = with types; nullOr str;
description = "Optionally enable sentry to track errors.";
default = null;
};
logLevel = mkOption {
type = with types; enum [ "error" "warn" "info" "debug" ];
description = "Only log messages with the given severity or above.";
default = "info";
};
importTimeout = mkOption {
type = types.str;
default = "30m";
description = ''
Maximum time to wait for all import jobs.
May need to be increased based on the number of sources.
'';
};
settings = mkOption {
type = types.submodule {
freeformType = settingsFormat.type;
options = {
data-path = mkOption {
type = types.str;
description = "Where to store search index and other data, can be relative to homeDir.";
default = "${cfg.homeDir}/data";
};
sources = mkOption {
type = with types; attrsOf (submodule (import ./source-options.nix {
inherit cfg settingsFormat;
}));
default = {
nixos.enable = true;
darwin.enable = false;
home-manager.enable = false;
};
description = "Declarative specification of options sources for searchix.";
};
};
};
default = { };
description = "Configuration for searchix (TODO: publish description).";
};
};
config = mkIf cfg.enable {
systemd.services.searchix-importer = {
description = "Searchix option importer";
conflicts = [ "searchix-web.service" ];
before = [ "searchix-web.service" ];
path = with pkgs; [ nix ];
serviceConfig = defaultServiceConfig // {
ExecStart = "${package}/bin/import";
Type = "oneshot";
RestartSec = 10;
RestartSteps = 5;
RestartMaxDelaySec = "5 min";
};
environment = env;
startAt = cfg.dates;
};
systemd.timers.searchix-importer = {
timerConfig = {
Persistent = true;
RandomizedDelaySec = 1800;
};
};
systemd.services.searchix-web = {
description = "Searchix Nix option search";
after = [ "searchix-importer.service" ];
wants = [ "searchix-importer.service" ];
wantedBy = [ "multi-user.target" ];
environment = env;
serviceConfig = defaultServiceConfig // {
ExecStart = "${package}/bin/serve";
} // lib.optionalAttrs (cfg.port < 1024) {
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
};
};
users.users = optionalAttrs (cfg.user == "searchix") {
searchix = {
group = cfg.group;
home = cfg.homeDir;
isSystemUser = true;
};
};
users.groups = optionalAttrs (cfg.group == "searchix") {
searchix = { };
};
};
}
|