Dan Burkert created KUDU-1988:
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Summary: Add advertised RPC host/port server configuration
Key: KUDU-1988
URL: https://issues.apache.org/jira/browse/KUDU-1988
Project: Kudu
Issue Type: Improvement
Components: server
Affects Versions: 1.3.0
Reporter: Dan Burkert
In some environments the externally accessible host/port is not the same as the
bind host/port. This commonly happens with containers. It would be nice to
have a `--rpc-advertised-addresses` configuration flag that would replace the
`--rpc-bind-addresses` config when a server gives out it's own RPC address.
Some quick notes I wrote on a potential implementation on Slack:
As far as where it would be added - I think you want to go one level down from
the heartbeater into the {{RpcServer}}. {{RpcServer}} already has a
{{GetBoundAddresses}} method, so maybe it could have a `GetAdvertisedAddresses`
method and a corresponding {{rpc_advertised_addresses}} gflag as well
({{rpc_bind_addresses}} is also defined in rpc_server.cc). Then, the
heartbeater could be changed to use {{GetAdvertisedAddresses}} instead of
{{GetBoundAddress}}.
I’m not sure if there needs to be a corresponding change to masters, I think it
may be enough to just use the advertised hostname for clients and for
{{--master-addresses}} configs
hmm well it would need to change for the {{GetMasterRegistration}} RPC
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