feat(nixos): add control center host with hypervisor gitops service

scripts/hypervisor-sync.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+# This script pulls the latest changes from the Git repository 
+# and runs OpenTofu to provision the hypervisor state.
+# Usage: ./hypervisor-sync.sh <REPO_URL> <OPENTOFU_DIR>
+
+REPO_URL=${1:-"https://git.depeuter.dev/Bos55/nix-config.git"}
+OPENTOFU_DIR=${2:-"opentofu/nodes/mikoshi"}
+
+echo "Starting Hypervisor GitOps sync..."
+
+if [ ! -d "nix-config" ]; then
+  echo "Cloning repository from $REPO_URL..."
+  git clone "$REPO_URL" nix-config
+fi
+
+cd nix-config || exit
+
+git fetch origin main
+
+LOCAL=$(git rev-parse HEAD)
+REMOTE=$(git rev-parse origin/main)
+
+if [ "$LOCAL" = "$REMOTE" ]; then
+  echo "Already up to date. Nothing to do."
+  exit 0
+fi
+
+echo "Changes detected. Updating from $LOCAL to $REMOTE..."
+git reset --hard origin/main
+
+echo "Applying OpenTofu changes in $OPENTOFU_DIR..."
+cd "$OPENTOFU_DIR" || exit
+
+tofu init -upgrade
+
+tofu apply -auto-approve
+
+echo "Hypervisor GitOps sync completed successfully."