Framework 12 Initial setup

disko/impermanence-tmpfs-luks.nix

@@ -0,0 +1,82 @@
+{
+  device ? throw "Set this to your disk device, e.g. /dev/sda",
+  ...
+}:
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = device;
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              label = "boot";
+              name = "ESP";
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "defaults"
+                ];
+              };
+            };
+            luks = {
+              size = "100%";
+              label = "luks";
+              content = {
+                type = "luks";
+                name = "cryptroot";
+                extraOpenArgs = [
+                  "--allow-discards"
+                  "--perf-no_read_workqueue"
+                  "--perf-no_write_workqueue"
+                ];
+                # https://0pointer.net/blog/unlocking-luks2-volumes-with-tpm2-fido2-pkcs11-security-hardware-on-systemd-248.html
+                settings = {crypttabExtraOpts = ["fido2-device=auto" "token-timeout=10"];};
+                content = {
+                  type = "filesystem";
+                  format = "ext4";
+		  mountpoint = "/persist";
+		  };
+                };
+              };
+            };
+          };
+        };
+      };
+    nodev = {
+      "/" = {
+        fsType = "tmpfs";
+	mountOptions = [ "defaults" "size=8G" "mode=755" ];
+      };
+    };
+  };
+
+  fileSystems."/persist" = {
+    depends = [ "/" ];
+    neededForBoot = true;
+  };
+  fileSystems."/nix" = {
+    device = "/persist/nix";
+    options = [ "bind" ];
+    depends = [ "/persist" ];
+    neededForBoot = true;
+  };
+  fileSystems."/tmp" = {
+    device = "/persist/tmp";
+    options = [ "bind" ];
+    depends = [ "/persist" ];
+    neededForBoot = true;
+  };
+  swapDevices = [{
+    device = "/persist/swapfile";
+    size = 64*1024; # 64 GB
+  }];
+
+  boot.resumeDevice = "/persist/swapfile";
+}