Add auto updates to merlin, mount btcnode disk and minor refactor

hosts/merlin/default.nix

@@ -3,20 +3,14 @@
   configVars,
   lib,
   config,
+  outputs,
   ...
 }: let
-  # Disko setup
   fsType = "btrfs"; # one of ext4 or btrfs. Use btrfs if using impermanence
   dev = "/dev/disk/by-id/wwn-0x5001b448b5f7cc7f";
   encrypted = false; # currrently only applies to btrfs
-  btrfsMountDevice =
-    if encrypted
-    then "/dev/mapper/crypted"
-    else "/dev/root_vg/root";
-
+  btrfsMountDevice = "/dev/root_vg/root";
   impermanence = true;
-
-  pubKeys = lib.filesystem.listFilesRecursive ../common/users/keys;
   piholeIp = configVars.networking.addresses.pihole.ip;
   gatewayIp = configVars.networking.addresses.gateway.ip;
   merlinIp = configVars.networking.addresses.merlin.ip;
@@ -47,6 +41,8 @@ in {
 
     # Import optional options
     ../common/optional/openssh.nix
+
+    outputs.nixosModules.nixosAutoUpgrade
   ];
 
   boot = {
@@ -57,12 +53,6 @@ in {
     };
   };
 
-  users.users = {
-    root = {
-      openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
-    };
-  };
-
   networking = {
     hostName = "merlin";
     nameservers = ["${piholeIp}" "${gatewayIp}" "8.8.8.8"];
@@ -111,21 +101,25 @@ in {
     package = config.boot.kernelPackages.nvidiaPackages.stable;
   };
 
-  # system.services.nixosAutoUpgrade = {
-  #   enable = true;
-  #   persistent = true;
-  #   reboot = false;
-  #   pushUpdates = false;
-  #   configDir = "/etc/nixos";
-  #   onCalendar = "*-*-* 07:00:00";
-  #   user = "media";
-  # };
-  #
+  system.services.nixosAutoUpgrade = {
+    enable = true;
+    persistent = false;
+    reboot = true;
+    pushUpdates = false;
+    configDir = "/etc/nixos";
+    onCalendar = "*-*-* 07:00:00";
+    user = "admin";
+  };
+
+  fileSystems."/mnt/btcnode" = {
+    device = "/dev/disk/by-uuid/1dc56ec7-322f-44be-b6ad-79360fdfef93";
+    fsType = "btrfs";
+  };
 
   boot.supportedFilesystems = ["zfs"];
   boot.zfs.forceImportRoot = false;
   networking.hostId = "18aec5d7";
-  boot.zfs.extraPools = ["deepzfs"];
+  boot.zfs.extraPools = ["deepzfs" "nvme-zpool"];
 
   services.libinput.enable = true;
 }