Alexander Fedulov created FLINK-29727:
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Summary: Fall back to flink-conf.yaml if no
JOB_MANAGER_RPC_ADDRESS is specified
Key: FLINK-29727
URL: https://issues.apache.org/jira/browse/FLINK-29727
Project: Flink
Issue Type: Improvement
Components: flink-docker
Reporter: Alexander Fedulov
Assignee: Alexander Fedulov
Currently {{docker-enterypoint.sh}} always overrides {{jobmanager.rpc.address}}
in the {{flink-conf.yaml}} either with the environment variable
{{JOB_MANAGER_RPC_ADDRESS}} or with a {{hosname}} :
[link|https://github.com/apache/flink-docker/blob/3c259f46231b97202925a111a8205193c15bbf78/1.15/scala_2.12-java8-ubuntu/docker-entrypoint.sh#L25]
. This causes, for instance, jobmanager address configured in
`FlinkContainers` that are based on an existing image (contains
`docker-entrypoint.sh` in contrast to an image that is built on-the flight from
flink-dist) to be overridden by the hostname. TMs then fail for connect to the
JM. A workaround is to use {{TestContainersSettings}} to set
{{JOB_MANAGER_RPC_ADDRESS }}, which is a suboptimal from the user perspective.
Configuration in flink-conf.yaml should instead be kept if
JOB_MANAGER_RPC_ADDRESS is not passed explicitly and only overridden by the
{{hostname}} if nothing was specified in the confit.
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