postgresql/molecule/default/playbook.yml

---
- name: Converge
  hosts: all
  become: true

  vars:
    postgresql_databases:
      - name: example
    postgresql_users:
      - name: jdoe

  pre_tasks:
    - name: Update apt cache.
      apt: update_cache=true cache_valid_time=600
      when: ansible_os_family == 'Debian'

    - name: Set custom variables for old CentOS 6 PostgreSQL install.
      set_fact:
        postgresql_hba_entries: []
        postgresql_global_config_options:
          - option: unix_socket_directory
            value: '{{ postgresql_unix_socket_directories[0] }}'
      when:
        - ansible_os_family == 'RedHat'
        - ansible_distribution_version.split('.')[0] == '6'

  roles:
    - role: geerlingguy.postgresql

  post_tasks:
    - name: Verify postgres is running.
      command: "{{ postgresql_bin_path }}/pg_ctl -D {{ postgresql_data_dir }} status"
      changed_when: false
      become: true
      become_user: postgres