From 176141410a00dc8ef4376ea9d67b87a0b96ec68c Mon Sep 17 00:00:00 2001
From: Franck Cuny <franck@fcuny.net>
Date: Sat, 18 Oct 2025 10:39:01 -0700
Subject: move the disk configuration for rivendell as a profile

---
 profiles/disk/btrfs-on-luks.nix | 74 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 profiles/disk/btrfs-on-luks.nix

(limited to 'profiles/disk/btrfs-on-luks.nix')

diff --git a/profiles/disk/btrfs-on-luks.nix b/profiles/disk/btrfs-on-luks.nix
new file mode 100644
index 0000000..3fe57f7
--- /dev/null
+++ b/profiles/disk/btrfs-on-luks.nix
@@ -0,0 +1,74 @@
+{ ... }:
+let
+  btrfsopt = [
+    "compress=zstd"
+    "noatime"
+  ];
+in
+{
+  services.btrfs.autoScrub.enable = true;
+  services.btrfs.autoScrub.fileSystems = [
+    "/nix"
+    "/data"
+  ];
+
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "fmask=0022"
+                  "dmask=0022"
+                ];
+              };
+            };
+            luks = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "nixos";
+                passwordFile = "/tmp/pass";
+                settings = {
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "btrfs";
+                  extraArgs = [ "-f" ];
+                  subvolumes = {
+                    "@root" = {
+                      mountpoint = "/";
+                      mountOptions = btrfsopt;
+                    };
+                    "@home" = {
+                      mountpoint = "/home";
+                      mountOptions = btrfsopt;
+                    };
+                    "@nix" = {
+                      mountpoint = "/nix";
+                      mountOptions = btrfsopt;
+                    };
+                    "@data" = {
+                      mountpoint = "/data";
+                      mountOptions = btrfsopt;
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}
-- 
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