Martijn van Groningen 44b461aff2
[CCR] Make leader cluster a required argument. (#34580)
This change makes it no longer possible to follow / auto follow without
specifying a leader cluster. If a local index needs to be followed
then `cluster.remote.*.seeds` should point to nodes in the local cluster.

Closes #34258
2018-10-19 07:41:46 +02:00
..