Proposal for Multi-Cluster Search Support

I know that most of the focus is on getting ready for RC1.

Posting here in case this gets more attention than creating an issue on

It'd be nice to be able to query across multiple clusters and get their
aggregated results.

Our initial motivation is to view Kibana results across multiple clusters.
See: Enhancement: Allow conntections to multiple ES backends from a single
Kibana instance

However, since we also use/query ES directly, a proxy would work far better
than changing Kibana.

In the discussion above, it was decided (by Shay) that the place to do it
would be at the ES level.

The following is a proposal to achieve it at the ES level. This is some
very early planning and I've decided to post it early to make sure I'm not
duplicating work or am on a totally wrong path (which is totally possible).
Any feedback/comments are appreciated.


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