Jeremy Lewi created BEAM-12814:
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Summary: Support External Environment For Java SDK Harness
Key: BEAM-12814
URL: https://issues.apache.org/jira/browse/BEAM-12814
Project: Beam
Issue Type: Improvement
Components: sdk-java-harness
Reporter: Jeremy Lewi
As mentioned in this
[thread|https://lists.apache.org/x/thread.html/r3cf56464c157da840f46e777c1b3f307f65ec2cf6b2278728f2cd1e1@%3Cuser.beam.apache.org%3E]
the Java SDK harness only supports environments docker and embedded for the
Java SDK harness.
It would be nice if the Java SDK also supported external environments similar
to what the Python SDK harness does.
The use case would be running in Kubernetes. On Kubernetes I think its better
to run the SDK harness containers as side cars of the taskmanager pods rather
than relying on docker in docker. Docker in docker isn't great from a security
standpoint because it requires privileged containers. It also makes it harder
to debug and operate on Kubernetes.
This was also mentioned in this thread on the developer mailing list;
[thread|https://lists.apache.org/thread.html/r43fbff58c0d11b05a74617b175ed2d0565b9e65717e92f1dd908f4fa%40%3Cdev.beam.apache.org%3E]
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