---
- name: Create inventory based on passed extra_vars
  hosts: localhost
  gather_facts: no
  become: no


  vars:
    provision_host: "{{ tower_provision_host | default('localhost') }}"


  tasks:
    - name: "Create in-memory inventory for {{ provision_host }}"
      add_host:
        name: "{{ provision_host }}"
        groups:
          - remdiation


# =========================================================================== #


- name: Verify file existence and handle errors if needed
  hosts: remdiation
  gather_facts: no
  become: no


  vars_files:
    - vars/defaults.yml
    - vars/job_launch_file_creation.yml


  tasks:
    - name: Run file test
      block:
        - name: "Test #1: register file contents"
          command      :
            cmd        : cat /tmp/hello-ansible.txt
          changed_when : no
          register     : r_check_file


        - name: "Test #2: do something else"
          debug:
            msg: Something, something, and something!


      rescue:
        - name: Exception caught
          debug:
            msg:
              - "host   : {{ inventory_hostname }}"
              - "rc     : {{ r_check_file.rc }}"
              - "stdout : {{ r_check_file.stdout }}"
              - "stderr : {{ r_check_file.stderr }}"
              - "msg    : {{ r_check_file.msg }}"


        - name: Re-create files as needed
          uri:
            url              : "{{ tower_api_host }}/api/v2/job_templates/27/launch/"
            method           : POST
            status_code      : 201
            force_basic_auth : yes
            url_username     : "{{ tower_api_user }}"
            url_password     : "{{ tower_api_pass }}"
            body_format      : json
            return_content   : no
            validate_certs   : no
            body:
              extra_vars:
                fail_host   : "{{ inventory_hostname }}"
                fail_rc     : "{{ r_check_file.rc }}"
                fail_stdout : "{{ r_check_file.stdout }}"
                fail_stderr : "{{ r_check_file.stderr }}"
                fail_msg    : "{{ r_check_file.msg }}"


      always:
        - name: Job complete
          debug:
            msg:
              - "host   : {{ inventory_hostname }}"
              - "failed : {{ r_check_file.failed }}"


...