nixos/motioneye: init

  ./services/video/go2rtc/default.nix

  ./services/video/mediamtx.nix

  ./services/video/mirakurun.nix

  ./services/video/motioneye.nix

  ./services/video/photonvision.nix

  ./services/video/ustreamer.nix

  ./services/video/v4l2-relayd.nix

{

  config,

  pkgs,

  lib,

  ...

}:

let

  cfg = config.services.motioneye;

in

{

  options.services.motioneye = {

    enable = lib.mkEnableOption "motionEye";

    packages = {

      motioneye = lib.mkPackageOption pkgs "motioneye" { };

      motion = lib.mkPackageOption pkgs "motion" { };

      ffmpeg = lib.mkPackageOption pkgs "ffmpeg" { };

    };

    user = lib.mkOption {

      type = lib.types.str;

      default = "motioneye";

      description = "User to run motionEye under.";

    };

    group = lib.mkOption {

      type = lib.types.str;

      default = "motioneye";

      description = "Group to run motionEye under.";

    };

    settings = lib.mkOption {

      type = lib.types.attrsOf lib.types.str;

      default = { };

      defaultText = lib.literalExpression /* nix */ ''

        {

          conf_path = lib.mkDefault "/var/lib/motioneye/conf";

          run_path = lib.mkDefault "/run/motioneye";

          log_path = lib.mkDefault "/var/log/motioneye";

          media_path = lib.mkDefault "/var/lib/motioneye/media";

        }

      '';

      description = ''

        Configuration to put in motioneye.conf.

        See <https://github.com/motioneye-project/motioneye/wiki/Configuration-File>  for more details.

      '';

    };

  };

  config = lib.mkIf cfg.enable {

    services.motioneye.settings = {

      conf_path = lib.mkDefault "/var/lib/motioneye/conf";

      run_path = lib.mkDefault "/run/motioneye";

      log_path = lib.mkDefault "/var/log/motioneye";

      media_path = lib.mkDefault "/var/lib/motioneye/media";

    };

    users = {

      groups.${cfg.group} = { };

      users.${cfg.user} = {

        inherit (cfg) group;

        isSystemUser = true;

        # allow v4l access

        extraGroups = [ "video" ];

      };

    };

    systemd.tmpfiles.settings.motioneye =

      let

        config = {

          d = {

            inherit (cfg) user group;

            mode = "0750";

          };

        };

      in

      {

        "${cfg.settings.conf_path}" = config;

        "${cfg.settings.run_path}" = config;

        "${cfg.settings.log_path}" = config;

        "${cfg.settings.media_path}" = config;

      };

    environment.etc."motioneye/motioneye.conf".text = lib.concatMapAttrsStringSep "\n" (

      key: value: "${key} ${lib.escapeShellArg value}"

    ) cfg.settings;

    # https://github.com/motioneye-project/motioneye/blob/main/motioneye/extra/motioneye.systemd

    systemd.services.motioneye = {

      description = "motionEye Server";

      after = [

        "network.target"

        "local-fs.target"

        "remote-fs.target"

      ];

      wantedBy = [ "multi-user.target" ];

      path =

        (with pkgs; [

          which

          v4l-utils

        ])

        ++ [

          cfg.packages.motion

          cfg.packages.ffmpeg

        ];

      restartTriggers = [

        config.environment.etc."motioneye/motioneye.conf".source

      ];

      serviceConfig = {

        User = cfg.user;

        Group = cfg.group;

        RuntimeDirectory = "motioneye";

        LogsDirectory = "motioneye";

        StateDirectory = "motioneye";

        ExecStart = "${lib.getExe' cfg.packages.motioneye "meyectl"} startserver -c /etc/motioneye/motioneye.conf";

        Restart = "on-abort";

      };

    };

  };

}