I believe it would be helpful in many workflows if you could create and delete blobs just by using the Whirr CLI (data used for processing). I suggest that we should add new commands to the CLI so that Whirr can be used as minimal generic blob store client that's also aware of the location of the nodes (a typical mistake is to upload files to a different location).
$ whirr create-container --config.. --name data
$ whirr upload-file --config.. --file local.tar.gz --container data --blob data.tar.gz
$ whirr launch-cluster --config..
# start a map reduce job and collect the results
$ whirr download-file --config.. --file output.tar.gz --container data --blob output.tar.gz
$ whirr destroy-cluster --config..
$ whirr destroy-container --config.. --name data