- name: install postgres
  apt:
    pkg:
    - postgresql
    - python3-psycopg2

- name: install python2 psycopg2
  apt:
    pkg:
      - python-psycopg2
  when: ansible_distribution_release  == 'stretch'

- name: generate pg_hba
  template:
    src: pg_hba.conf.j2
    dest: "/etc/postgresql/{{ pg_version }}/main/pg_hba.conf"
    owner: postgres
    group: postgres
    mode: 0640
  notify:
    - restart postgres

- name: add postgresql dbs
  postgresql_db:
    name: "{{ item.key }}"
  become_user: postgres
  become: true
  with_dict: "{{ postgresql.dbs }}"

- name: add postgresql user(s)
  postgresql_user:
    name: "{{ item.key }}"
    password: "{{ item.value }}"
  become_user: postgres
  become: true
  with_dict: "{{ postgresql.users }}"

- name: add vacuum cronjob
  cron:
    name: db maintenance
    job: "/usr/bin/vacuumdb --all --analyze > /dev/null"
    user: postgres
    hour: "23"
    minute: "26"

- include_tasks: backup.yml
  when:
  - postgresql.backup.enable

- name: flush handlers so postgres is ready before other roles try to use it
  meta: flush_handlers