Native, non-REST API, Groovy helper class to add OpsNotes in a Datasource Definition.

The concept of OpsNotes is growing on me. What would really make it shine would be a Groovy helper class/client that can insert an OpsNote from within a Datasource definition for the device context without resorting to using the REST API.  

Use Case-- we have a datasource for SQL Servers to count the number of blocking sessions on a per database basis. The DBAs want a way to capture some of the session metadata with this metric. OpsNotes seem like a potential way of capturing this.