Ability to update a service

[pierreozoux]

Is your feature request related to a problem? Please describe.
As a user I want to scale up an RDS instance.

Describe the solution you'd like

• parameters should be described in a user friendly way (currently in a json in secret)
• the service borker should watch this secret and update the matching CF stack

[jaymccon]

This is a difficult one, as one of the key tenets of the AWS Service Broker is to support any platform that has Open Service Broker API support, doing things that are specific to kubernetes/openshift are not an approach we'd take easily.

Another approach to be able to scale, you could use the update osb call, which the broker supports (not documented though), the templates need to be updated to declare which parameters are updatable, by adding entries to the UpdatableParameters metadata. https://github.com/awslabs/aws-servicebroker/blob/master/docs/examples/example-main.yaml#L26