---
- name: "Install EPEL"
  dnf:
    name: "epel-release"
    state: present

- name: "Install WAL-G {{ wal_g_version }} for PostgreSQL"
  dnf:
    name: "wal-g{{ ('-' ~ wal_g_version) | default('') }}"
    state: installed
    update_cache: yes
    allow_downgrade: yes
  tags: wal-g, wal_g, wal_g_install

- name: "Gather packages"
  package_facts:
    manager: auto

- name: "Set fact about PostgreSQL package"
  set_fact:
    wal_g_postgresql_package: "{{ ansible_facts.packages | list | select('match', wal_g_pg_package_name_regex) | first }}"

- name: "Get PostgreSQL major version"
  set_fact:
    wal_g_postgresql_major_version: "{{ ansible_facts.packages[wal_g_postgresql_package][0]['version'] | split('.') | first }}"

- name: Merge user options for WAL-G part of config
  set_fact:
    wal_g_combined_config: "{{ wal_g_default_config | combine(wal_g_config|default({}), recursive=true) }}"

- name: "Generate conf file walg.json"
  copy:
    content: "{{ wal_g_combined_config | to_nice_json }}"
    dest: "{{ wal_g_pg_home_dir }}/{{ wal_g_config_name }}"
    owner: "{{ wal_g_pg_config_owner }}"
    group: "{{ wal_g_pg_config_group }}"
    mode: 0644
  tags: wal-g, wal_g, wal_g_conf

- name: Create wal-g restore config
  when: wal_g_restore
  block:
    - name: Merge user options for WAL-G part of restore config
      set_fact:
        wal_g_restore_combined_config: "{{ wal_g_default_restore_config | combine(wal_g_restore_config|default({}), recursive=true) }}"
    
    - name: "Generate conf file walg-restore.json"
      copy:
        content: "{{ wal_g_restore_combined_config | to_nice_json }}"
        dest: "{{ wal_g_pg_home_dir }}/{{ wal_g_restore_config_name }}"
        owner: "{{ wal_g_pg_config_owner }}"
        group: "{{ wal_g_pg_config_group }}"
        mode: 0644