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


  vars_files:
    - vars/defaults.yml


  vars:
    provision_host: "{{ tower_provision_host | default(ansible_play_hosts | join(',')) }}"


  tasks:
    - name: Set provision_host to Gitlab commit files if defined
      set_fact:
        provision_host: "{{ tower_webhook_payload.commits[0].added    | split('/') | last +
                            tower_webhook_payload.commits[0].modified | split('/') | last }}"
      when:
        - tower_webhook_payload.commits[0].added    is defined or
          tower_webhook_payload.commits[0].modified is defined


    - name: "Create in-memory inventory"
      add_host:
        name: "{{ item }}"
        groups:
          - remdiation
      delegate_to: localhost
      loop: "{{ provision_host.split(',') }}"


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


- name: Split up hosts into single job runs
  hosts: remdiation
  become: no
  gather_facts: no


  vars_files:
    - vars/defaults.yml


  tasks:
    - name: Launch job per each host
      no_log : "{{ __no_log | default('yes') }}"
      uri    :
        url              : "{{ tower_remdiation_workflow }}"
        force_basic_auth : yes
        user             : "{{ tower_user }}"
        password         : "{{ tower_password }}"
        body_format      : json
        method           : POST
        status_code      : 201
        body:
          extra_vars:
            tower_provision_host: "{{ item }}"
      loop: "{{ ansible_play_hosts }}"
      run_once: yes


...