---
- name: use Node
  when: node_version is defined
  block:  
    - name: check used version
      command: uberspace tools version show node
      register: used_node
    - name: update used version
      command: uberspace tools version use node {{ node_version }}
      when: used_node.stdout.find(node_version|string) == -1
- name: use PHP
  when: php_version is defined
  block:  
    - name: check used version
      command: uberspace tools version show php
      register: used_php
    - name: update used version
      command: uberspace tools version use php {{ php_version }}
      when: used_php.stdout.find(php_version|string) == -1