commit 53269f1455cd4b44a90a80e332de45d56e51e511 · pyrox.dev/nixpkgs

nixos/modules/misc/ids.nix

···

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             cfdyndns = 227;

     

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             gammu-smsd = 228;

     

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             pdnsd = 229;

     

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       +
             octoprint = 230;

     

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             # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!

     

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···

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             rmilter = 226;

     

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             cfdyndns = 227;

     

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             pdnsd = 229;

     

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             octoprint = 230;

     

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             # When adding a gid, make sure it doesn't match an existing

     

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             # uid. Users and groups with the same name should have equal

nixos/modules/module-list.nix

···

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         ./services/misc/nix-gc.nix

     

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         ./services/misc/nixos-manual.nix

     

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         ./services/misc/nix-ssh-serve.nix

     

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         ./services/misc/octoprint.nix

     

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         ./services/misc/parsoid.nix

     

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         ./services/misc/phd.nix

     

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         ./services/misc/plex.nix

+118

nixos/modules/services/misc/octoprint.nix

···

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       { config, lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         cfg = config.services.octoprint;

     

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       +
       

     

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         cfgUpdate = pkgs.writeText "octoprint-config.yaml" (builtins.toJSON {

     

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           plugins.cura.cura_engine = "${pkgs.curaengine}/bin/CuraEngine";

     

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           server.host = cfg.host;

     

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           server.port = cfg.port;

     

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           webcam.ffmpeg = "${pkgs.ffmpeg}/bin/ffmpeg";

     

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         });

     

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       +
       

     

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         pluginsEnv = pkgs.python.buildEnv.override {

     

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           extraLibs = cfg.plugins pkgs.octoprint-plugins;

     

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         };

     

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       in

     

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       {

     

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         ##### interface

     

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         options = {

     

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       +
       

     

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           services.octoprint = {

     

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             enable = mkEnableOption "OctoPrint, web interface for 3D printers";

     

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       +
       

     

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             host = mkOption {

     

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               type = types.str;

     

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               default = "0.0.0.0";

     

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               description = ''

     

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                 Host to bind OctoPrint to.

     

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               '';

     

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             };

     

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             port = mkOption {

     

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               type = types.int;

     

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               default = 5000;

     

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               description = ''

     

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                 Port to bind OctoPrint to.

     

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               '';

     

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             };

     

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             user = mkOption {

     

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               type = types.str;

     

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               default = "octoprint";

     

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               description = "User for the daemon.";

     

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             };

     

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             group = mkOption {

     

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               type = types.str;

     

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               default = "octoprint";

     

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               description = "Group for the daemon.";

     

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             };

     

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       +
       

     

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             stateDir = mkOption {

     

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               type = types.path;

     

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               default = "/var/lib/octoprint";

     

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               description = "State directory of the daemon.";

     

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             };

     

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             plugins = mkOption {

     

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               default = plugins: [];

     

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               example = literalExample "plugins: [ m3d-fio ]";

     

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               description = "Additional plugins.";

     

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             };

     

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           };

     

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         };

     

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         ##### implementation

     

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         config = mkIf cfg.enable {

     

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           users.extraUsers = optionalAttrs (cfg.user == "octoprint") (singleton

     

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             { name = "octoprint";

     

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               group = cfg.group;

     

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               uid = config.ids.uids.octoprint;

     

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             });

     

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           users.extraGroups = optionalAttrs (cfg.group == "octoprint") (singleton

     

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             { name = "octoprint";

     

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               gid = config.ids.gids.octoprint;

     

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             });

     

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           systemd.services.octoprint = {

     

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             description = "OctoPrint, web interface for 3D printers";

     

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

     

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             after = [ "network.target" ];

     

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             path = [ pluginsEnv ];

     

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             environment.PYTHONPATH = makeSearchPath pkgs.python.sitePackages [ pluginsEnv ];

     

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             preStart = ''

     

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               mkdir -p "${cfg.stateDir}"

     

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               if [ -e "${cfg.stateDir}/config.yaml" ]; then

     

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                 ${pkgs.yaml-merge}/bin/yaml-merge "${cfg.stateDir}/config.yaml" "${cfgUpdate}" > "${cfg.stateDir}/config.yaml.tmp"

     

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                 mv "${cfg.stateDir}/config.yaml.tmp" "${cfg.stateDir}/config.yaml"

     

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               else

     

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                 cp "${cfgUpdate}" "${cfg.stateDir}/config.yaml"

     

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                 chmod 600 "${cfg.stateDir}/config.yaml"

     

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               fi

     

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               chown -R ${cfg.user}:${cfg.group} "${cfg.stateDir}"

     

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             '';

     

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             serviceConfig = {

     

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               ExecStart = "${pkgs.octoprint}/bin/octoprint -b ${cfg.stateDir}";

     

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               User = cfg.user;

     

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               Group = cfg.group;

     

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               PermissionsStartOnly = true;

     

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             };

     

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           };

     

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         };

     

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       }