Migrate to Snowfall (#1)

Reviewed-on: #1
Co-authored-by: Evan Reichard <evan@reichard.io>
Co-committed-by: Evan Reichard <evan@reichard.io>

systems/x86_64-linux/lin-va-nix-builder/default.nix

@@ -0,0 +1,65 @@
+{ namespace, config, pkgs, ... }:
+let
+  cfg = config.${namespace}.user;
+in
+{
+  time.timeZone = "America/New_York";
+  system.stateVersion = "24.11";
+
+  reichard = {
+    system = {
+      boot = {
+        enable = true;
+        xenGuest = true;
+      };
+      disk = {
+        enable = true;
+        diskPath = "/dev/xvda";
+      };
+      networking = {
+        enable = true;
+        useStatic = {
+          interface = "enX0";
+          address = "10.0.50.130";
+          defaultGateway = "10.0.50.254";
+          nameservers = [ "10.0.50.254" ];
+        };
+      };
+    };
+
+    services = {
+      openssh = {
+        enable = true;
+        authorizedKeys = [
+          # evanreichard@lin-va-mbp-personal
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILJJoyXQOv9cAjGUHrUcvsW7vY9W0PmuPMQSI9AMZvNY"
+          # evanreichard@lin-va-thinkpad
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAq5JQr/6WJMIHhR434nK95FrDmf2ApW2Ahd2+cBKwDz"
+          # NixOS Builder
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDF8QjeN8lpT+Mc70zwEJQqN9W/GKvTOTd32VgfNhVdN"
+        ];
+      };
+    };
+  };
+
+  users.users.${cfg.name} = {
+    openssh = {
+      authorizedKeys.keys = [
+        # evanreichard@lin-va-mbp-personal
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILJJoyXQOv9cAjGUHrUcvsW7vY9W0PmuPMQSI9AMZvNY"
+        # evanreichard@lin-va-thinkpad
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAq5JQr/6WJMIHhR434nK95FrDmf2ApW2Ahd2+cBKwDz"
+        # NixOS Builder
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDF8QjeN8lpT+Mc70zwEJQqN9W/GKvTOTd32VgfNhVdN"
+      ];
+    };
+  };
+
+  # System Packages
+  environment.systemPackages = with pkgs; [
+    btop
+    git
+    tmux
+    vim
+  ];
+}