ansible-roles/postgresql/tasks/packages.yml

---
- name: install the postgresql packages
  apt: pkg={{ item }} state={{ psql_pkg_state }}
  with_items: '{{ postgresql_pkgs }}'
  notify: Restart postgresql
  tags: [ 'postgresql', 'postgres' ]

- name: Install the packages that ansible needs to manage the postgresql users and databases
  apt: pkg={{ item }} state={{ psql_pkg_state }}
  with_items: '{{ psql_ansible_needed_pkgs }}'
  tags: [ 'postgresql', 'postgres' ]