Added Disko setup

flake.nix

@@ -10,6 +10,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # declarative impermanence
     impermanence = {
       url = "github:nix-community/impermanence";
@@ -97,6 +102,7 @@
       nixos-generators,
       nur,
       impermanence,
+      disko,
       ...
     }@inputs:
     let
@@ -211,6 +217,7 @@
                 { nixpkgs.hostPlatform = system; }
                 ./nixos
                 inputs.impermanence.nixosModules.impermanence
+                inputs.disko.nixosModules.disko
               ];
 
         in

hosts/cyper-node-1/configuration.nix

@@ -1,5 +1,6 @@
 {
   imports = [
+    ./disko.nix
     ./hardware-configuration.nix
   ];
 

hosts/cyper-node-1/disko.nix

@@ -0,0 +1,68 @@
+{
+  disko.devices.disk.main = {
+    type = "disk";
+    device = "/dev/sda"; # change to your actual disk, e.g. /dev/nvme0n1
+    content = {
+      type = "gpt";
+      partitions = {
+
+        ESP = {
+          size = "512M";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            mountpoint = "/boot";
+            mountOptions = [
+              "fmask=0022"
+              "dmask=0022"
+            ];
+            extraArgs = [
+              "-n"
+              "NIXBOOT"
+            ];
+          };
+        };
+
+        swap = {
+          size = "4G";
+          content = {
+            type = "swap";
+            extraArgs = [
+              "-L"
+              "NIXSWAP"
+            ];
+          };
+        };
+
+        nix = {
+          size = "50G";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/nix";
+            mountOptions = [ "defaults" ];
+            extraArgs = [
+              "-L"
+              "NIXSTORE"
+            ];
+          };
+        };
+
+        persist = {
+          size = "100%";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/persist";
+            extraArgs = [
+              "-L"
+              "NIXPERSIST"
+            ];
+          };
+        };
+
+      };
+    };
+  };
+}

hosts/cyper-node-1/hardware-configuration.nix

@@ -52,10 +52,7 @@
   };
 
   swapDevices = [
-    {
-      device = "/persist/swapfile";
-      size = 4096;
-    }
+    { device = "/dev/disk/by-label/NIXSWAP"; }
   ];
 
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;