- name: "Install postgresql-{{ postgresql_version }}-cron"
  tags:
    - install
    - timescaledb_install
  apt:
    pkg:
      - "postgresql-{{ postgresql_version }}-cron"
    state: latest
    update_cache: yes

- name: "Add pg_cron to shared_preload_libraries"
  tags:
    - install
    - timescaledb_install    
  lineinfile:
    path: /etc/postgresql/{{ postgresql_version }}/main/postgresql.conf
    regexp: "^shared_preload_libraries = 'timescaledb'"
    line: "shared_preload_libraries = 'timescaledb,pg_cron'"

- name: "Define cron database name"
  tags:
    - install
    - timescaledb_install    
  lineinfile:
    dest: /etc/postgresql/{{ postgresql_version }}/main/postgresql.conf
    line: "cron.database_name = '{{ timescaledb_database_name }}'"

- name: "Define cron database name"
  tags:
    - install
    - timescaledb_install    
  lineinfile:
    dest: /etc/postgresql/{{ postgresql_version }}/main/postgresql.conf
    line: "cron.timezone = 'Europe/Berlin'"

- name: "Restart postgresql service"
  tags:
    - install
    - timescaledb_install
  systemd:
    name: postgresql
    state: restarted

- name: "Configure pg_cron extension"
  tags:
    - install
    - timescaledb_install
  postgresql_query:
    db: "{{ timescaledb_database_name }}"
    login_user: "postgres"
    login_password: "{{ postgresql_admin_password }}"
    query:
      - CREATE EXTENSION pg_cron;
      - GRANT USAGE ON SCHEMA cron TO {{ timescaledb_database_user }};

- name: "Restart postgresql service"
  tags:
    - install
    - timescaledb_install
  systemd:
    name: postgresql
    state: restarted