---
# Explicitly wait for the database to be accessible via the load balancer.
# Sometimes it can reject connections even when all database services are up,
# due to the health check polling in HAProxy.
- name: Wait for MariaDB service to be ready through VIP
  become: true
  command: >
    docker exec {{ mariadb_service.container_name }}
    mysql -h {{ database_address }} -P {{ database_port }}
    -u {{ mariadb_shard_database_user }} -p{{ database_password }} -e 'show databases;'
  register: result
  until: result is success
  changed_when: False
  retries: 6
  delay: 10
  when: mariadb_shard_id == mariadb_default_database_shard_id