- hosts: testhost
  tasks:
    - name: Install openssl
      import_role:
        name: setup_openssl

    - name: "RedHat <= 7, select last version compatible with request 2.6.0 (this version doesn't support approle auth)"
      set_fact:
        hvac_package: 'hvac==0.2.5'
      when: ansible_distribution == 'RedHat' and ansible_distribution_major_version is version('7', '<=')

    - name: 'CentOS < 7, select last version compatible with Python 2.6'
      set_fact:
        hvac_package: 'hvac==0.5.0'
      when: ansible_distribution == 'CentOS' and ansible_distribution_major_version is version('7', '<')

    - name: 'Install hvac Python package'
      pip:
        name: "{{ hvac_package|default('hvac') }}"