envsubst hack

qemu fix
and more

templates/user-data.tmpl

@@ -71,12 +71,17 @@ autoinstall:
       - path: /home/${TARGET_USER}/first_install.sh
         permissions: "0755"
         owner: ${TARGET_USER}:${TARGET_USER}
+        #                |
+        # envsubst hack \ /
+        #                `
         content: |
-          if [[ $EUID -ne 0 ]]; then
+          if [[ "$${Q}EUID" -ne 0 ]]; then
             echo "This script must be run as root"
             exit 1
           fi
           chown ${TARGET_USER}:${TARGET_USER} -R /home/${TARGET_USER}/nocloud/
+          netplan generate || true
+          netplan apply    || true
           bash -x /home/${TARGET_USER}/nocloud/post-install.sh main
 
       # - path: /etc/himmelblau/himmelblau.conf