ansible-roles/postgresql/tasks/postgresql-config.yml

---
- name: Create the postgresql data directory if it is not in the default place
  file: dest={{ psql_data_dir }} owner=postgres group=postgres mode=700 recurse=yes state=directory
  when: psql_use_alternate_data_dir
  tags: [ 'postgresql', 'postgres', 'pg_conf' ]

- name: Set the postgresql data dir if it is different from the default
  action: configfile path=/etc/postgresql/{{ psql_version }}/main/postgresql.conf key=data_directory value="'{{ psql_data_dir }}'"
  notify: Restart postgresql
  when: psql_use_alternate_data_dir
  tags: [ 'postgresql', 'postgres', 'pg_conf' ]

- name: Set some postgresql configuration parameters
  action: configfile path=/etc/postgresql/{{ psql_version }}/main/postgresql.conf key={{ item.name }} value="{{ item.value }}"
  with_items: '{{ psql_conf_parameters }}'
  when: item.set == 'True'
  notify: Restart postgresql
  tags: [ 'postgresql', 'postgres', 'pg_conf' ]