111 lines
2.6 KiB
Nix
111 lines
2.6 KiB
Nix
{
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config,
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lib,
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pkgs,
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utils,
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...
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}:
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let
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inherit (lib)
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getExe
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mkEnableOption
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mkIf
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mkOption
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mkPackageOption
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optionals
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types
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;
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cfg = config.services.ustreamer;
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in
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{
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options.services.ustreamer = {
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enable = mkEnableOption "µStreamer, a lightweight MJPEG-HTTP streamer";
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package = mkPackageOption pkgs "ustreamer" { };
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autoStart = mkOption {
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description = ''
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Wether to start µStreamer on boot. Disabling this will use socket
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activation. The service will stop gracefully after some inactivity.
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Disabling this will set `--exit-on-no-clients=300`
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'';
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type = types.bool;
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default = true;
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example = false;
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};
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listenAddress = mkOption {
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description = ''
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Address to expose the HTTP server. This accepts values for
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ListenStream= defined in {manpage}`systemd.socket(5)`
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'';
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type = types.str;
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default = "0.0.0.0:8080";
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example = "/run/ustreamer.sock";
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};
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device = mkOption {
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description = ''
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The v4l2 device to stream.
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'';
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type = types.path;
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default = "/dev/video0";
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example = "/dev/v4l/by-id/usb-0000_Dummy_abcdef-video-index0";
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};
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extraArgs = mkOption {
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description = ''
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Extra arguments to pass to `ustreamer`. See {manpage}`ustreamer(1)`
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'';
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type = with types; listOf str;
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default = [ ];
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example = [ "--resolution=1920x1080" ];
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};
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};
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config = mkIf cfg.enable {
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services.ustreamer.extraArgs =
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[
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"--device=${cfg.device}"
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]
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++ optionals (!cfg.autoStart) [
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"--exit-on-no-clients=300"
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];
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systemd.services."ustreamer" = {
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description = "µStreamer, a lightweight MJPEG-HTTP streamer";
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after = [ "network.target" ];
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requires = [ "ustreamer.socket" ];
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wantedBy = mkIf cfg.autoStart [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = utils.escapeSystemdExecArgs (
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[
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(getExe cfg.package)
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"--systemd"
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]
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++ cfg.extraArgs
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);
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Restart = if cfg.autoStart then "always" else "on-failure";
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DynamicUser = true;
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SupplementaryGroups = [ "video" ];
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NoNewPrivileges = true;
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ProcSubset = "pid";
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ProtectProc = "noaccess";
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ProtectClock = "yes";
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DeviceAllow = [ cfg.device ];
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};
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};
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systemd.sockets."ustreamer" = {
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wantedBy = [ "sockets.target" ];
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partOf = [ "ustreamer.service" ];
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socketConfig = {
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ListenStream = cfg.listenAddress;
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};
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};
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};
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}
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