chore: add octoprint & orca slicer

homes/aarch64-linux/evanreichard@lin-va-mbp-personal/default.nix

@@ -55,6 +55,10 @@ in
     };
   };
 
+  home.packages = with pkgs; [
+    orca-slicer
+  ];
+
   dconf = {
     settings = {
       "org/gnome/desktop/interface" = {

modules/nixos/services/octoprint/default.nix

@@ -0,0 +1,79 @@
+{ config
+, pkgs
+, lib
+, namespace
+, ...
+}:
+let
+  inherit (lib) mkIf types mkEnableOption;
+  inherit (lib.${namespace}) mkOpt;
+
+  settingsFormat = pkgs.formats.yaml { };
+
+  cfg = config.${namespace}.services.octoprint;
+in
+{
+  options.${namespace}.services.octoprint = {
+    enable = mkEnableOption "Enable OctoPrint service";
+    openFirewall = mkEnableOption "Open firewall";
+    port = mkOpt types.port 5000 "Port to listen on";
+    settings = lib.mkOption {
+      type = lib.types.submodule { freeformType = settingsFormat.type; };
+      default = { };
+      description = ''
+        OctoPrint configuration. Refer to the [OctoPrint example configuration](https://docs.octoprint.org/en/main/configuration/config_yaml.html)
+        for details on supported values.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Create User
+    users.groups.octoprint = { };
+    users.users.octoprint = {
+      isSystemUser = true;
+      group = "octoprint";
+      extraGroups = [ "dialout" ];
+    };
+
+    # Create Service
+    systemd.services.octoprint =
+      let
+        # Merge Port
+        finalSettings = lib.recursiveUpdate cfg.settings {
+          server.port = cfg.port;
+        };
+
+        # Create Config
+        configFile = settingsFormat.generate "config.yaml" finalSettings;
+      in
+      {
+        description = "OctoPrint 3D Printing Service";
+        after = [ "network.target" ];
+        wantedBy = [ "multi-user.target" ];
+
+        serviceConfig = {
+          Type = "exec";
+          ExecStartPre = pkgs.writeShellScript "setup-octoprint-config" ''
+            if [ ! -f /var/lib/octoprint/config.yaml ]; then
+              ${pkgs.coreutils}/bin/cp ${configFile} /var/lib/octoprint/config.yaml
+            fi
+          '';
+          ExecStart = "${lib.getExe pkgs.octoprint} serve -b /var/lib/octoprint";
+          Restart = "on-failure";
+          RestartSec = 3;
+
+          StateDirectory = "octoprint";
+          WorkingDirectory = "/var/lib/octoprint";
+          Environment = "HOME=/var/lib/octoprint";
+
+          User = "octoprint";
+          Group = "octoprint";
+          SupplementaryGroups = [ "dialout" ];
+          PrivateDevices = false;
+        };
+      };
+
+    networking.firewall = lib.mkIf cfg.openFirewall { allowedTCPPorts = [ cfg.port ]; };
+  };
+}

systems/x86_64-linux/lin-va-utility/default.nix

@@ -42,9 +42,13 @@ in
     };
 
     services = {
-      openssh = enabled;
       avahi = enabled;
+      openssh = enabled;
       ydotool = enabled;
+      octoprint = {
+        enable = true;
+        openFirewall = true;
+      };
     };
 
     virtualisation = {