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77b1db475c
Reported by Felipe Cardeneti: - Create a 2-node Scylla cluster w/ Ec2MultiRegionSnitch - Check system.peers table Scylla (uses public address) ``` cqlsh> select peer,data_center,host_id,preferred_ip,rack,rpc_address,schema_version from system.peers; peer | data_center | host_id | preferred_ip | rack | rpc_address | schema_version ---------------+-------------+--------------------------------------+---------------+------+---------------+-------------------------------------- 18.216.98.219 | us-east-2 | d9443741-a12e-4bbb-91ce-9931cece589c | 172.31.43.122 | 2c | 18.216.98.219 | 95c3fca5-c463-3aba-98c6-1c0b3fac5b58 (1 rows) ``` Cassandra (uses local address): ``` cqlsh> SELECT peer,data_center,host_id,preferred_ip,rack,rpc_address,schema_version from system.peers; peer | data_center | host_id | preferred_ip | rack | rpc_address | schema_version ---------------+-------------+--------------------------------------+---------------+------------+---------------+-------------------------------------- 52.15.104.255 | us-east-2 | 42c0b717-775f-4998-a420-0388fe8b4e70 | 172.31.42.126 | us-east-2c | 172.31.42.126 | 2207c2a9-f598-3971-986b-2926e09e239d (1 rows) ``` Config diff: ``` cassandra.yaml:rpc_address: 0.0.0.0 cassandra.yaml:broadcast_rpc_address: 172.31.42.126 /etc/scylla/scylla.yaml:broadcast_rpc_address: 172.31.42.126 /etc/scylla/scylla.yaml:rpc_address: 0.0.0.0 ``` After this patch, if broadcast_rpc_address is unset, Ec2MultiRegionSnitch will use the public ip address to set broadcast_rpc_address. If broadcast_rpc_address is set, Ec2MultiRegionSnitch will not modify it. Fixes #10236 Closes #10519