forked from mirrors/nixpkgs
571780384a
This commit upgrades headscale to the newest version, 0.17.0 and updates the module with the current breaking config changes. In addition, the module is rewritten to conform with RFC0042 to try to prevent some drift between the module and the upstream. A new maintainer, Misterio77, is added as maintainer. Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com> Co-authored-by: Gabriel Fontes <hi@m7.rs> Co-authored-by: Geoffrey Huntley <ghuntley@ghuntley.com>
498 lines
18 KiB
Nix
498 lines
18 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.services.headscale;
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dataDir = "/var/lib/headscale";
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runDir = "/run/headscale";
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settingsFormat = pkgs.formats.yaml {};
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configFile = settingsFormat.generate "headscale.yaml" cfg.settings;
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in {
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options = {
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services.headscale = {
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enable = mkEnableOption (lib.mdDoc "headscale, Open Source coordination server for Tailscale");
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package = mkOption {
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type = types.package;
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default = pkgs.headscale;
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defaultText = literalExpression "pkgs.headscale";
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description = lib.mdDoc ''
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Which headscale package to use for the running server.
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'';
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};
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user = mkOption {
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default = "headscale";
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type = types.str;
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description = lib.mdDoc ''
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User account under which headscale runs.
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::: {.note}
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If left as the default value this user will automatically be created
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on system activation, otherwise you are responsible for
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ensuring the user exists before the headscale service starts.
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:::
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'';
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};
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group = mkOption {
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default = "headscale";
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type = types.str;
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description = lib.mdDoc ''
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Group under which headscale runs.
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::: {.note}
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If left as the default value this group will automatically be created
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on system activation, otherwise you are responsible for
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ensuring the user exists before the headscale service starts.
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:::
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'';
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};
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address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = lib.mdDoc ''
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Listening address of headscale.
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'';
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example = "0.0.0.0";
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};
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port = mkOption {
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type = types.port;
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default = 8080;
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description = lib.mdDoc ''
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Listening port of headscale.
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'';
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example = 443;
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};
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settings = mkOption {
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description = lib.mdDoc ''
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Overrides to {file}`config.yaml` as a Nix attribute set.
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Check the [example config](https://github.com/juanfont/headscale/blob/main/config-example.yaml)
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for possible options.
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'';
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type = types.submodule {
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freeformType = settingsFormat.type;
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options = {
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server_url = mkOption {
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type = types.str;
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default = "http://127.0.0.1:8080";
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description = lib.mdDoc ''
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The url clients will connect to.
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'';
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example = "https://myheadscale.example.com:443";
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};
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private_key_path = mkOption {
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type = types.path;
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default = "${dataDir}/private.key";
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description = lib.mdDoc ''
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Path to private key file, generated automatically if it does not exist.
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'';
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};
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noise.private_key_path = mkOption {
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type = types.path;
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default = "${dataDir}/noise_private.key";
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description = lib.mdDoc ''
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Path to noise private key file, generated automatically if it does not exist.
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'';
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};
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derp = {
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urls = mkOption {
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type = types.listOf types.str;
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default = ["https://controlplane.tailscale.com/derpmap/default"];
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description = lib.mdDoc ''
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List of urls containing DERP maps.
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See [How Tailscale works](https://tailscale.com/blog/how-tailscale-works/) for more information on DERP maps.
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'';
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};
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paths = mkOption {
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type = types.listOf types.path;
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default = [];
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description = lib.mdDoc ''
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List of file paths containing DERP maps.
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See [How Tailscale works](https://tailscale.com/blog/how-tailscale-works/) for more information on DERP maps.
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'';
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};
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auto_update_enable = mkOption {
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type = types.bool;
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default = true;
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description = lib.mdDoc ''
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Whether to automatically update DERP maps on a set frequency.
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'';
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example = false;
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};
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update_frequency = mkOption {
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type = types.str;
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default = "24h";
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description = lib.mdDoc ''
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Frequency to update DERP maps.
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'';
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example = "5m";
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};
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};
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ephemeral_node_inactivity_timeout = mkOption {
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type = types.str;
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default = "30m";
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description = lib.mdDoc ''
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Time before an inactive ephemeral node is deleted.
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'';
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example = "5m";
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};
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db_type = mkOption {
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type = types.enum ["sqlite3" "postgres"];
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example = "postgres";
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default = "sqlite3";
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description = lib.mdDoc "Database engine to use.";
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};
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db_host = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "127.0.0.1";
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description = lib.mdDoc "Database host address.";
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};
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db_port = mkOption {
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type = types.nullOr types.port;
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default = null;
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example = 3306;
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description = lib.mdDoc "Database host port.";
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};
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db_name = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "headscale";
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description = lib.mdDoc "Database name.";
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};
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db_user = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "headscale";
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description = lib.mdDoc "Database user.";
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};
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db_password_file = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/run/keys/headscale-dbpassword";
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description = lib.mdDoc ''
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A file containing the password corresponding to
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{option}`database.user`.
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'';
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};
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db_path = mkOption {
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type = types.nullOr types.str;
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default = "${dataDir}/db.sqlite";
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description = lib.mdDoc "Path to the sqlite3 database file.";
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};
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log.level = mkOption {
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type = types.str;
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default = "info";
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description = lib.mdDoc ''
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headscale log level.
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'';
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example = "debug";
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};
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log.format = mkOption {
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type = types.str;
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default = "text";
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description = lib.mdDoc ''
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headscale log format.
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'';
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example = "json";
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};
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dns_config = {
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nameservers = mkOption {
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type = types.listOf types.str;
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default = ["1.1.1.1"];
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description = lib.mdDoc ''
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List of nameservers to pass to Tailscale clients.
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'';
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};
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override_local_dns = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to use [Override local DNS](https://tailscale.com/kb/1054/dns/).
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'';
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example = true;
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};
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domains = mkOption {
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type = types.listOf types.str;
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default = [];
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description = lib.mdDoc ''
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Search domains to inject to Tailscale clients.
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'';
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example = ["mydomain.internal"];
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};
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magic_dns = mkOption {
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type = types.bool;
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default = true;
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description = lib.mdDoc ''
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Whether to use [MagicDNS](https://tailscale.com/kb/1081/magicdns/).
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Only works if there is at least a nameserver defined.
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'';
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example = false;
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};
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base_domain = mkOption {
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type = types.str;
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default = "";
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description = lib.mdDoc ''
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Defines the base domain to create the hostnames for MagicDNS.
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{option}`baseDomain` must be a FQDNs, without the trailing dot.
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The FQDN of the hosts will be
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`hostname.namespace.base_domain` (e.g.
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`myhost.mynamespace.example.com`).
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'';
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};
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};
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oidc = {
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issuer = mkOption {
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type = types.str;
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default = "";
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description = lib.mdDoc ''
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URL to OpenID issuer.
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'';
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example = "https://openid.example.com";
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};
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client_id = mkOption {
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type = types.str;
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default = "";
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description = lib.mdDoc ''
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OpenID Connect client ID.
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'';
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};
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client_secret_file = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Path to OpenID Connect client secret file.
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'';
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};
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domain_map = mkOption {
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type = types.attrsOf types.str;
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default = {};
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description = lib.mdDoc ''
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Domain map is used to map incomming users (by their email) to
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a namespace. The key can be a string, or regex.
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'';
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example = {
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".*" = "default-namespace";
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};
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};
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};
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tls_letsencrypt_hostname = mkOption {
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type = types.nullOr types.str;
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default = "";
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description = lib.mdDoc ''
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Domain name to request a TLS certificate for.
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'';
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};
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tls_letsencrypt_challenge_type = mkOption {
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type = types.enum ["TLS-ALPN-01" "HTTP-01"];
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default = "HTTP-01";
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description = lib.mdDoc ''
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Type of ACME challenge to use, currently supported types:
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`HTTP-01` or `TLS-ALPN-01`.
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'';
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};
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tls_letsencrypt_listen = mkOption {
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type = types.nullOr types.str;
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default = ":http";
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description = lib.mdDoc ''
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When HTTP-01 challenge is chosen, letsencrypt must set up a
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verification endpoint, and it will be listening on:
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`:http = port 80`.
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'';
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};
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tls_cert_path = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Path to already created certificate.
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'';
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};
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tls_key_path = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Path to key for already created certificate.
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'';
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};
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acl_policy_path = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Path to a file containg ACL policies.
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'';
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};
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};
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};
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};
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};
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};
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imports = [
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# TODO address + port = listen_addr
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(mkRenamedOptionModule ["services" "headscale" "serverUrl"] ["services" "headscale" "settings" "server_url"])
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(mkRenamedOptionModule ["services" "headscale" "privateKeyFile"] ["services" "headscale" "settings" "private_key_path"])
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(mkRenamedOptionModule ["services" "headscale" "derp" "urls"] ["services" "headscale" "settings" "derp" "urls"])
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(mkRenamedOptionModule ["services" "headscale" "derp" "paths"] ["services" "headscale" "settings" "derp" "paths"])
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(mkRenamedOptionModule ["services" "headscale" "derp" "autoUpdate"] ["services" "headscale" "settings" "derp" "auto_update_enable"])
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(mkRenamedOptionModule ["services" "headscale" "derp" "updateFrequency"] ["services" "headscale" "settings" "derp" "update_frequency"])
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(mkRenamedOptionModule ["services" "headscale" "ephemeralNodeInactivityTimeout"] ["services" "headscale" "settings" "ephemeral_node_inactivity_timeout"])
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(mkRenamedOptionModule ["services" "headscale" "database" "type"] ["services" "headscale" "settings" "db_type"])
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(mkRenamedOptionModule ["services" "headscale" "database" "path"] ["services" "headscale" "settings" "db_path"])
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(mkRenamedOptionModule ["services" "headscale" "database" "host"] ["services" "headscale" "settings" "db_host"])
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(mkRenamedOptionModule ["services" "headscale" "database" "port"] ["services" "headscale" "settings" "db_port"])
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(mkRenamedOptionModule ["services" "headscale" "database" "name"] ["services" "headscale" "settings" "db_name"])
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(mkRenamedOptionModule ["services" "headscale" "database" "user"] ["services" "headscale" "settings" "db_user"])
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(mkRenamedOptionModule ["services" "headscale" "database" "passwordFile"] ["services" "headscale" "settings" "db_password_file"])
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(mkRenamedOptionModule ["services" "headscale" "logLevel"] ["services" "headscale" "settings" "log" "level"])
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(mkRenamedOptionModule ["services" "headscale" "dns" "nameservers"] ["services" "headscale" "settings" "dns_config" "nameservers"])
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(mkRenamedOptionModule ["services" "headscale" "dns" "domains"] ["services" "headscale" "settings" "dns_config" "domains"])
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(mkRenamedOptionModule ["services" "headscale" "dns" "magicDns"] ["services" "headscale" "settings" "dns_config" "magic_dns"])
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(mkRenamedOptionModule ["services" "headscale" "dns" "baseDomain"] ["services" "headscale" "settings" "dns_config" "base_domain"])
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(mkRenamedOptionModule ["services" "headscale" "openIdConnect" "issuer"] ["services" "headscale" "settings" "oidc" "issuer"])
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(mkRenamedOptionModule ["services" "headscale" "openIdConnect" "clientId"] ["services" "headscale" "settings" "oidc" "client_id"])
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(mkRenamedOptionModule ["services" "headscale" "openIdConnect" "clientSecretFile"] ["services" "headscale" "settings" "oidc" "client_secret_file"])
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(mkRenamedOptionModule ["services" "headscale" "openIdConnect" "domainMap"] ["services" "headscale" "settings" "oidc" "domain_map"])
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(mkRenamedOptionModule ["services" "headscale" "tls" "letsencrypt" "hostname"] ["services" "headscale" "settings" "tls_letsencrypt_hostname"])
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(mkRenamedOptionModule ["services" "headscale" "tls" "letsencrypt" "challengeType"] ["services" "headscale" "settings" "tls_letsencrypt_challenge_type"])
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(mkRenamedOptionModule ["services" "headscale" "tls" "letsencrypt" "httpListen"] ["services" "headscale" "settings" "tls_letsencrypt_listen"])
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(mkRenamedOptionModule ["services" "headscale" "tls" "certFile"] ["services" "headscale" "settings" "tls_cert_path"])
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(mkRenamedOptionModule ["services" "headscale" "tls" "keyFile"] ["services" "headscale" "settings" "tls_key_path"])
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(mkRenamedOptionModule ["services" "headscale" "aclPolicyFile"] ["services" "headscale" "settings" "acl_policy_path"])
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];
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config = mkIf cfg.enable {
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services.headscale.settings = {
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listen_addr = mkDefault "${cfg.address}:${toString cfg.port}";
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# Turn off update checks since the origin of our package
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# is nixpkgs and not Github.
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disable_check_updates = true;
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unix_socket = "${runDir}/headscale.sock";
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tls_letsencrypt_cache_dir = "${dataDir}/.cache";
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};
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# Setup the headscale configuration in a known path in /etc to
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# allow both the Server and the Client use it to find the socket
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# for communication.
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environment.etc."headscale/config.yaml".source = configFile;
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users.groups.headscale = mkIf (cfg.group == "headscale") {};
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users.users.headscale = mkIf (cfg.user == "headscale") {
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description = "headscale user";
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home = dataDir;
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group = cfg.group;
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isSystemUser = true;
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};
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systemd.services.headscale = {
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description = "headscale coordination server for Tailscale";
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after = ["network-online.target"];
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wantedBy = ["multi-user.target"];
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restartTriggers = [configFile];
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environment.GIN_MODE = "release";
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script = ''
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${optionalString (cfg.settings.db_password_file != null) ''
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export HEADSCALE_DB_PASS="$(head -n1 ${escapeShellArg cfg.settings.db_password_file})"
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''}
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${optionalString (cfg.settings.oidc.client_secret_file != null) ''
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export HEADSCALE_OIDC_CLIENT_SECRET="$(head -n1 ${escapeShellArg cfg.settings.oidc.client_secret_file})"
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''}
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exec ${cfg.package}/bin/headscale serve
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'';
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serviceConfig = let
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capabilityBoundingSet = ["CAP_CHOWN"] ++ optional (cfg.port < 1024) "CAP_NET_BIND_SERVICE";
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in {
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Restart = "always";
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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# Hardening options
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RuntimeDirectory = "headscale";
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# Allow headscale group access so users can be added and use the CLI.
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RuntimeDirectoryMode = "0750";
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StateDirectory = "headscale";
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StateDirectoryMode = "0750";
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ProtectSystem = "strict";
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ProtectHome = true;
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PrivateTmp = true;
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PrivateDevices = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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RestrictSUIDSGID = true;
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PrivateMounts = true;
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ProtectKernelModules = true;
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ProtectKernelLogs = true;
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ProtectHostname = true;
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ProtectClock = true;
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ProtectProc = "invisible";
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ProcSubset = "pid";
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RestrictNamespaces = true;
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RemoveIPC = true;
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UMask = "0077";
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CapabilityBoundingSet = capabilityBoundingSet;
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AmbientCapabilities = capabilityBoundingSet;
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NoNewPrivileges = true;
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LockPersonality = true;
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RestrictRealtime = true;
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SystemCallFilter = ["@system-service" "~@privileged" "@chown"];
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SystemCallArchitectures = "native";
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RestrictAddressFamilies = "AF_INET AF_INET6 AF_UNIX";
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};
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};
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};
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meta.maintainers = with maintainers; [kradalby misterio77];
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}
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