packages.yml

---

- name: Installation paquets PostgreSQL
  yum:
    conf_file: '/etc/yum.conf'
    name: 
      - libselinux-python
      - python-pip
#      - postgresql93
      - postgresql96
#      - postgresql93-server
      - postgresql96-server
#      - postgresql93-odbc
      - postgresql96-odbc
    state: present

...