use a var to taget host link creation

tasks/get_mac.yml

@@ -7,7 +7,7 @@
     force: true
     follow: false
   when: (hostvars[item].csentry_interfaces[0].mac|string) != "None"
-  with_items: "{{ groups['{{ autoinstall_scope }}']  }}"
+  with_items: "{{ groups[(autoinstall_scope |string)]  }}"
   tags: create_link
 
 - name: create link for Mac Addr for GRUB EFI
@@ -18,5 +18,5 @@
     force: false
     follow: false
   when: (hostvars[item].csentry_interfaces[0].mac|string) != "None"
-  with_items: "{{ groups['{{ autoinstall_scope }}']  }}"
+  with_items: "{{ groups[(autoinstall_scope |string)]  }}"
   tags: create_link