The metadata keys for an object are just flat key => value pairs and can't contain a nested hash.
Solution
Each key that is should be passed back as a header through the broker is prepended with head_. These keys are taken out of the metadata, the prefix stripped and capitalised.
Problem
The metadata keys for an object are just flat
key => value
pairs and can't contain a nested hash.Solution
Each key that is should be passed back as a header through the broker is prepended with
head_
. These keys are taken out of the metadata, the prefix stripped and capitalised.