---
- name: 'Check if replica DB config exists'
  stat:
    path: '{{ postgres_ha_cont_data_vol }}/pgdata/postgresql.auto.conf'
  register: postgres_ha_auto_conf

- name: 'Initialize DB with base backup'
  when: not postgres_ha_auto_conf.stat.exists
  args:
    chdir: '{{ postgres_ha_service_path }}'
  command: |
    docker-compose run --rm 
        --env=PGPASSWORD={{ postgres_ha_replica_pass }}
        --name {{ postgres_ha_service_name }}-backup
        -- db 
      pg_basebackup
        --host={{ postgres_ha_replica_host }}
        --port={{ postgres_ha_replica_port }}
        --username={{ postgres_ha_replica_user }}
        --slot={{ postgres_ha_replica_slot }}
        --verbose
        --create-slot
        --pgdata=/var/lib/postgresql/data/pgdata
        --write-recovery-conf
        --checkpoint=fast