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

- 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

- name: add postgresql backup folder
  file:
    path: /opt/postgresbackup/
    state: directory
    owner: postgres
    group: postgres
    mode: '750'

- name: add backup cronjob for easier backup/restore
  cron:
    name: db backup
    job: '/usr/bin/pg_dumpall | gzip > /opt/postgresbackup/$(date "+\%Y\%m\%d-\%H\%M.sql.gz")'
    user: postgres
    hour: "*/4"
    minute: 45

- name: add backup cleanup cronjob
  cron:
    name: db backup cleanup
    job: 'find /opt/postgresbackup/* -mtime +3 -type f -exec rm {} \;'
    special_time: daily

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