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Currently if a coordinator and a node being replaced are in the same DC while inter-dc encryption is enabled (connections between nodes in the same DC should not be encrypted) the replace operation will fail. It fails because a coordinator uses non encrypted connection to push raft data to the new node, but the new node will not accept such connection until it knows which DC the coordinator belongs to and for that the raft data needs to be transferred. The series adds the test for this scenario and the fix for the chicken&egg problem above. The series (or at least the fix itself) needs to be backported because this is a serious regression. Fixes: scylladb/scylladb#19025 Closes scylladb/scylladb#20290 * github.com:scylladb/scylladb: topology coordinator: fix indentation after the last patch topology coordinator: do not add replacing node without a ring to topology test: add test for replace in clusters with encryption enabled test.py: add server encryption support to cluster manager .gitignore: fix pattern for resources to match only one specific directory