As a Korifi API user I want to be able to delete managed service instances

[danail-branekov]

GIVEN I have enabled the experimental managed services flag in the helm values
GIVEN I have created a managed service instance
WHEN I DELETE /v3/service_instances/service-instance-guid
THEN I get a 202 Accepted response with Location header pointing me to the delete operation
THEN eventually I see the delete operation succeeds
THEN I see the service instance is deleted from the service broker

Dev notes:

• The implementation should deprovision the service with the broker over OSBAPI

• When requesting service deprovisioning from the broker, the implementation should send the accepts_incomplete=true query parameter to enable async deprovisioning

• When the broker deprovisions the service in a sync manner (the broker responds with 200 OK), the implementation must not check for service instance last operation as the instance has been already deprovisioned and no operation is running

• When the broker responds with 202 Accepted, then the implementation should poll the service instance last operation until the operation completes.

• If the operation succeeds, the CFServiceInstance should be deleted

• If the operation fails, the failure should be reflected in the CFServiceInstance status

• Deprovision service OSBAPI docs

• Service instance last operation OSBAPI docs

• Synchronous vs asynchronous operations OSBAPI docs

• Managed services proposal

• Delete service instance docs