libvirt instead of incus

modules/vms/ha-deploy-script.nix

@@ -0,0 +1,43 @@
+{ config, pkgs, ... }:
+
+let
+  cfg = config.services.homeassistant-vm;
+in
+{
+  environment.systemPackages = [
+    (pkgs.writeShellScriptBin "deploy-haos" ''
+      set -e
+      IMAGE="${cfg.imagePath}"
+      VM_NAME="homeassistant"
+      BRIDGE="${cfg.bridge}"
+      MEM_MB="${toString cfg.memory}"
+      VCPUS="${toString cfg.vcpus}"
+
+      if [ ! -f "$IMAGE" ]; then
+        echo "Error: HAOS image not found at $IMAGE"
+        exit 1
+      fi
+
+      if virsh list --all | grep -q " $VM_NAME "; then
+        echo "VM $VM_NAME already exists"
+        exit 0
+      fi
+
+      virt-install \
+        --name "$VM_NAME" \
+        --memory "$MEM_MB" \
+        --vcpus "$VCPUS" \
+        --import \
+        --disk path="$IMAGE",format=qcow2,bus=virtio \
+        --network bridge="$BRIDGE",model=virtio \
+        --os-variant generic \
+        --graphics none \
+        --noautoconsole \
+        --boot uefi
+
+      echo "Home Assistant VM deployed!"
+      echo "Get IP with: haos ip"
+    '')
+  ];
+}
+