# vars/

This directory contains variable definition files for the `svc-db-mariadb` Ansible role. It centralizes all configurable values related to MariaDB deployment and can be adjusted without modifying task logic.

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## files and their purpose

### 1. `meta/services.yml`

The role's service config (file root IS the services map keyed by `<entity_name>`).
For `svc-db-mariadb` this carries the entity-keyed image, version, and hostname:

- **`version`** (string):

  - Default: `"latest"`
  - The MariaDB image tag to pull (e.g. `10.6`, `10.11`, or `latest`).

- **`hostname`** (string):

  - Default: `"central-mariadb"`
  - The container name and DNS alias within the `central_mariadb` network. Used by other services (like Moodle) to connect.

> **Tip:** Pin to a specific minor version (e.g., `10.6.12`) in production to avoid breaking changes on rebuilds.

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### 2. `main.yml`

Minimal file defining the application identifier for the role.

- **`application_id`** (string):

  - Default: `"mariadb"`
  - Logical name used in templates, notifications, or paths when multiple roles/services may coexist.