- name: Install RHEL packages
  ansible.builtin.dnf:
    name: "{{ item }}"
    state: latest
  loop: "{{ rhel_db_packages }}"
  tags:
    - install_db
  when: ansible_os_family == "RedHat"

- name: Install Debian packages
  ansible.builtin.apt:
    name: "{{ item }}"
    state: latest
  loop: "{{ debian_db_packages }}"
  tags:
    - install_db
  when: ansible_os_family == "Debian" 

- name: Enable and start service postgresl
  ansible.builtin.service:
    name: postgresql
    state: started
    enabled: yes
  tags:
    - install_db

- name: Generate create db script
  ansible.builtin.template:
    src: create_db.j2
    dest: /tmp/create_db.sql
    owner: postgres
  tags:
    - install_db

- name: Run create db script
  ansible.builtin.shell: su - postgres -c 'psql -f /tmp/create_db.sql'
  tags:
   - install_db

- name: Add zabbix user to pg_hba
  ansible.builtin.lineinfile:
    path: /etc/postgresql/{{ postgresql_version }}/main/pg_hba.conf
    insertafter: '# Database administrative login by Unix domain socket'
    line: "local   {{ db_name }}          {{ db_user }}           trust"
    firstmatch: yes
    state: present

- name: Find Group
  set_fact:
    my_group:  "{{ group_names | first }}"

- name: Créer les entrées pg_hba pour tous les hosts avec rôle 'srv'
  lineinfile:
    path: /etc/postgresql/{{ postgresql_version }}/main/pg_hba.conf
    line: "host    {{ db_name }}          {{ db_user }}    {{ hostvars[item]['ansible_default_ipv4']['address'] }}/32       md5"
    state: present
  loop: "{{ groups[my_group] }}"
  when: 
    - hostvars[item].role is defined
    - hostvars[item].role == 'srv' or hostvars[item].role == 'front'
    - hostvars[item]['ansible_default_ipv4'] is defined

- name: Configure postgres Listen address
  ansible.builtin.lineinfile:
    path: /etc/postgresql/17/main/postgresql.conf
    regexp: '^#listen_addresses = .*'
    line: "listen_addresses = '*'"
  tags:
   - install_db


- name: Restart postgresql
  service:
    name: postgresql
    state: restarted
  tags:
   - install_db

- name: Populate zabbix database
  ansible.builtin.shell: 'zcat /usr/share/zabbix/sql-scripts/postgresql/server.sql.gz | psql -Uzabbix zabbix'
  tags:
   - install_db