---
- name: Create a test file on current inventory
  hosts: all
  gather_facts: no
  become: no


  vars_files:
    - vars/defaults.yml


  vars:
    # These vars are used to purposefully skip a node
    skip_host    : "{{ tower_skip_host    | default('no') }}"
    host_to_skip : "{{ tower_host_to_skip | default('lab-dev-2') }}"


  tasks:
    - block:
      - name: "Test #1a - Copy file to machine - skipping {{ host_to_skip }}"
        copy:
          src  : files/hello-ansible.txt
          dest : "{{ check_file }}"
        when: inventory_hostname != host_to_skip
      when:
        - skip_host | bool


    - name: "Test #1 - Copy file to machine"
      copy:
        src  : files/hello-ansible.txt
        dest : "{{ check_file }}"
      when:
        - not skip_host | bool


...