1. A method for dynamically discovering and adapting resource and relationship information in virtualized computing environments, comprising: receiving, by a discovery manager, a discovery request for a virtual machine image that was created within a virtualized computing environment; discovering, using the discovery manager, resource and relationship information for the virtual machine image in response to the discovery request; invalidating, using the discovery manager, the resource and relationship information in response to receipt of an invalidate request for the virtual machine image; and storing, using the discovery manager, the resource and relationship information in a database.