set_python_path.yml

---
# This will set ansible_python_interpreter to use python3
# if the shell module fails (like it will on RHEL8 since
# /usr/bin/python is no more).
- hosts: all
  gather_facts: false
  vars:
    ansible_ssh_user: "{{ cm_user }}"
  become: true
  tasks:
    - name: Check for /usr/bin/python
      shell: echo marco
      register: polo
      ignore_errors: true
    - name: Set ansible_python_interpreter=/usr/bin/python3
      set_fact:
        ansible_python_interpreter: /usr/bin/python3
      when: polo.rc != 0