ansible-roles/library/roles/postgresql_extensions/tasks/main.yml

---
- name: Add postgres extensions to the databases, if needed
  become: True
  become_user: postgres
  postgresql_ext: name={{ item.1 | default(omit) }} db={{ item.0.name }} port={{ psql_db_port }}
  with_subelements:
    - '{{ psql_db_data | default([]) }}'
    - extensions
  ignore_errors: True
  tags: [ 'postgresql', 'postgres', 'pg_extensions', 'pg_db' ]