In the context of MySQL Router, the term "bootstrap" refers to a specialized mode of operation where the router doesn't start its usual routing functionalities. Instead, the bootstrap process is a specific way of running MySQL Router, which does not start the usual routing and instead configures the mysqlrouter.conf file based on the metadata. This configuration process is essential for setting up the router to function correctly in a MySQL environment.
Here's a breakdown of the bootstrap process:
- Configuration Focus: Bootstrap mode is all about configuring the
mysqlrouter.conffile. This file dictates how the router behaves, including connection details, routing rules, and other essential settings. - Metadata Driven: The configuration is derived from metadata. This metadata provides information about the MySQL environment, such as available servers, their roles, and network settings.
- No Routing Initially: When the router runs in bootstrap mode, it does not immediately begin routing traffic. Its sole purpose is to configure itself.
- Precursor to Routing: The bootstrap process is a preliminary step. Once the
mysqlrouter.conffile is configured, the MySQL Router can be started in its normal mode to begin routing connections.
In essence, think of the bootstrap process as preparing the MySQL Router to be able to route traffic effectively. It's a setup phase, not an operational one.
