nix: devServer disko config

nix/machines/devServer/disko.nix

@@ -0,0 +1,100 @@
+{
+  disko.devices = {
+    disk = {
+      one = {
+        type = "disk";
+        device = "/dev/disk/by-id/wwn-0x5000c500b794a007";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "tank0";
+              };
+            };
+          };
+        };
+      };
+      two = {
+       type = "disk";
+        device = "/dev/disk/by-id/wwn-0x5000c500bca7d633";
+        content = {
+          type = "gpt";
+          partitions = {
+            # Support multiple disks to boot from
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot2";
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "tank0";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      tank0 = {
+        type = "zpool";
+        mode = "mirror";
+        # Workaround: cannot import 'tank0': I/O error in disko tests
+        options.cachefile = "none";
+        rootFsOptions = {
+          compression = "zstd";
+          "com.sun:auto-snapshot" = "true";
+          acltype = "posixacl";
+          xattr = "sa";
+          canmount = "off";
+          mountpoint = "none";
+        };
+        options = {
+          ashift = "12";
+          autotrim = "on";
+        };
+
+        datasets = {
+          "root" = {
+            type = "zfs_fs";
+            mountpoint = "/";
+            options.mountpoint = "legacy";
+          };
+	  "home" = {
+            type = "zfs_fs";
+            mountpoint = "/home";
+            options.mountpoint = "legacy";
+          };
+	  "nix" = {
+            type = "zfs_fs";
+            mountpoint = "/nix";
+            options.mountpoint = "legacy";
+          };
+	  "persist" = {
+            type = "zfs_fs";
+            mountpoint = "/persist";
+            options.mountpoint = "legacy";
+          };
+        };
+      };
+    };
+  };
+}

nix/machines/devServer/hardware-configuration.nix

@@ -23,35 +23,6 @@
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" = {
-    device = "zroot/root";
-    fsType = "zfs";
-  };
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/063A-73D6";
-    fsType = "vfat";
-    options = [ "nofail" ];
-  };
-  fileSystems."/boot2" = {
-    device = "/dev/disk/by-uuid/0655-58C2";
-    fsType = "vfat";
-    options = [ "nofail" ];
-  };
-  fileSystems."/nix" = {
-    device = "zroot/nix";
-    fsType = "zfs";
-  };
-
-  fileSystems."/home" = {
-    device = "zroot/home";
-    fsType = "zfs";
-  };
-
-  fileSystems."/persist" = {
-    device = "zroot/persist";
-    fsType = "zfs";
-  };
-
   swapDevices = [ ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
@@ -74,5 +45,5 @@
   };
 
   # ZFS uniq system ID
-  networking.hostId = "74405d06";
+  networking.hostId = "713fdc74";
 }

nix/machines/flake-module.nix

@@ -34,6 +34,8 @@ in
     devServer = lib.nixosSystem {
       system = "x86_64-linux";
       modules = [
+        inputs.disko.nixosModules.disko
+        ./devServer/disko.nix
         ./_common/base.nix
         ./_common/users.nix
         ./devServer/default.nix