add declarative vm to valefar

hosts/valefar/gamevm.nix

@@ -0,0 +1,80 @@
+{ config, lib, pkgs, modulesPath, microvm, inputs, ... }:
+
+{
+  # =============================================================================
+  # IMPORTS
+  # =============================================================================
+  imports = [
+      # Common modules shared across hosts
+    ../../common/system.nix
+    ../../common/users.nix
+    ../../common/services.nix
+  ];
+
+  system.stateVersion = "25.05";
+  networking.hostName = "gameservers";
+
+  virtualisation.docker = {
+    enable = true;
+    enableOnBoot = true;
+  };
+
+  systemd.network.networks."20-lan" = {
+    matchConfig.Type = "ether";
+    networkConfig = {
+      Address = [
+        "10.0.0.31/24"
+        "2601:5c2:8400:26c0::31/64"
+      ];
+      Gateway = "10.0.0.1";
+      DNS = [
+        "10.0.0.210"
+        "1.1.1.1"
+        "1.0.0.1"
+      ];
+      IPv6AcceptRA = true;
+      DHCP = "no";
+    };
+  };
+
+  systemd.network.networks."19-docker" = {
+    matchConfig.Name = "veth*";
+    linkConfig = {
+      Unmanaged = true;
+    };
+  };
+
+  microvm = {
+    interfaces = [
+      {
+        type = "tap";
+        id = "vm-test1";
+        mac = "02:00:00:00:00:01";
+      }
+    ];
+
+    shares = [
+      {
+        source = "/nix/store";
+        mountPoint = "/nix/.ro-store";
+        tag = "ro-store";
+        proto = "virtiofs";
+      }
+      {
+        source = "/etc/ssh";
+        mountPoint = "/etc/ssh";
+        tag = "ssh";
+        proto = "virtiofs";
+      }
+      {
+        source = "/home/regent/gamedata";
+        mountPoint = "/root/gamedata";
+        tag = "gamedata";
+        proto = "virtiofs";
+      }
+    ];
+
+    vcpu = 4;
+    mem = 8192;
+  };
+}