Move implementation into a let definition

clusters/fs1/default.nix

@@ -0,0 +1,28 @@
+with import <nixpkgs> {};
+let
+  setup = import ../../modules/default.nix { inherit pkgs cluster lib config; };
+
+  hosts = [
+    { name = "fs0-0"; address = "10.253.18.106"; hw = ./fs0-0.nix; }
+  ];
+
+  cluster = {
+    initca = ./ca;
+    clusterName = "fs0";
+    extraHosts = import ../hosts.nix;
+
+    adminAuthorizedKeys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKiAS30ZO+wgfAqDE9Y7VhRunn2QszPHA5voUwo+fGOf jonas"
+      "ssh-rsa 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 martin.moe.carstens@itpartner.no"
+    ];
+
+    fs = {
+      enable = true;
+      nfs.enable = true;
+      nfs.exports = ''
+        /vol/brick0/nfs0 10.253.18.0/24(insecure,rw,sync,no_subtree_check,crossmnt,fsid=0,no_root_squash)
+      '';
+    };
+  };
+in
+  setup.fs.mkDeployment hosts

clusters/fs1/fs1-0.nix

@@ -0,0 +1,29 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [ ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "mptspi" "floppy" "sd_mod" "sr_mod" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/6b3d4c49-9719-49b3-8210-d53374cd0eff";
+      fsType = "ext4";
+    };
+  fileSystems."/var/log" =
+    { device = "/dev/disk/by-uuid/c1e78683-4fde-4029-a9f3-7631df649b2f";
+      fsType = "ext4";
+    };
+  fileSystems."/vol/brick0" =
+    { device = "/dev/gfs_vg/brick0";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  nix.maxJobs = lib.mkDefault 1;
+}