MariaDB Galera on Kubernetes

Example of Docker image of MariaDB Galera cluster to be used in Kubernetes StatefulSet definition.

Based on official MariaDB image. Uses peer-finder.go util from Kibernetes contrib. Depending on service peers updates wsrep_* settings in a Galera config file.

Settings

See: MariaDB image documentation

Additional variables:

• POD_NAMESPACE - The namespace, e.g. default
• GALERA_CONF - The location of galera config file, e.g. /etc/mysql/conf.d/galera.cnf
• GALERA_SERVICE - The service name to lookup, e.g. galera