ansible-role-postgresql/tasks/main.yaml

---
- name: Display Message when variables not defined
  debug:
    msg: "Please define postgresql_database, postgresql_username AND postgresql_password and none of them empty"
  when: postgresql_database is not defined or postgresql_database == "" or postgresql_username is not defined or postgresql_username == "" or postgresql_password is not defined or postgresql_password == ""

- name: Check for variables
  ansible.builtin.command: /bin/false
  when: postgresql_database is not defined or postgresql_database == "" or postgresql_username is not defined or postgresql_username == "" or postgresql_password is not defined or postgresql_password == ""

- name: Install postgresql and ansible-dependencies
  apt:
    name: 
      - postgresql
      - python3-psycopg2
      - acl
    update_cache: yes

- name: Create database
  community.postgresql.postgresql_db:
    name: "{{ postgresql_database }}"
    encoding: UTF-8
    lc_collate: C
    lc_ctype: C
    template: template0
  become_user: postgres

- name: create database user
  community.postgresql.postgresql_user:
    db: "{{ postgresql_database }}"
    name: "{{ postgresql_username }}"
    password: "{{ postgresql_password }}"
    expires: infinity
  become_user: postgres

- name: Grant all privs to user to database
  community.postgresql.postgresql_privs:
    db: "{{ postgresql_database }}"
    privs: ALL
    type: database
    obj: "{{ postgresql_database }}"
    role: "{{ postgresql_username }}"
  become_user: postgres