ck-ops/code/grafana/public/app/plugins/datasource/mysql/README.md

MySQL Data Source - Native Plugin

Grafana ships with a built-in MySQL data source plugin that allows you to query and visualize data from a MySQL compatible database.

Adding the data source

1. Open the side menu by clicking the Grafana icon in the top header.
2. In the side menu under the Dashboards link you should find a link named Data Sources.
3. Click the + Add data source button in the top header.
4. Select MySQL from the Type dropdown.

Read more about it here:

http://docs.grafana.org/features/datasources/mysql/