Add disko

hosts/i15/partitions.nix

@@ -0,0 +1,53 @@
+{ disks ? [ "/dev/sda" ], ... }:
+let
+  btrfs_options = [ "compress=zstd:3" "noatime" ];
+in
+{
+  disk.sda = {
+    type = "disk";
+    device = builtins.elemAt disks 0;
+    content = {
+      type = "table";
+      format = "gpt";
+      partitions = [
+        {
+          type = "partition";
+          name = "NIX_BOOT";
+          start = "1MiB";
+          end = "300MiB";
+          bootable = true;
+          content = {
+            type = "filesystem";
+            extraArgs = [ "-n" "BOOT_I15" ];
+            format = "vfat";
+            mountpoint = "/boot";
+            # options = [ "defaults" ];
+          };
+        }
+        {
+          type = "partition";
+          name = "CRYPT_I15";
+          start = "300MiB";
+          end = "100%";
+          content = {
+            type = "luks";
+            name = "main";
+            keyFile = "/tmp/secret.key";
+            content = {
+              type = "btrfs";
+              extraArgs = [ "--label" "ROOT_I15" ];
+              subvolumes = let mountOptions = btrfs_options; in {
+                "/home" = { inherit mountOptions; };
+                "/nixos" = {
+                  inherit mountOptions;
+                  mountpoint = "/";
+                };
+                "/swap" = { inherit mountOptions; };
+              };
+            };
+          };
+        }
+      ];
+    };
+  };
+}