---
- name: Prepare
  hosts: all
  gather_facts: False
  tasks:
    - name: Bootstrap python for Ansible
      raw: |
        command -v python3 python || (
        (test -e /usr/bin/apt && (apt -y update && apt install -y python-minimal)) ||
        echo "Warning: Python not boostrapped due to unknown platform."
        )
      changed_when: False

    - name: Wait for apt lock
      shell: while fuser /var/lib/apt/lists/lock >/dev/null 2>&1; do echo 'Waiting for apt list lock.' && sleep 10; done
      changed_when: False

    - name: Update package cache
      apt:
        update_cache: True