Marco Gaido created SPARK-24209:
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Summary: 0 configuration Knox gateway support in SHS
Key: SPARK-24209
URL: https://issues.apache.org/jira/browse/SPARK-24209
Project: Spark
Issue Type: Improvement
Components: Web UI
Affects Versions: 2.4.0
Reporter: Marco Gaido
SHS supports Knox gateway by setting {{spark.ui.proxyBase}} to the proper
value. The main problem with this approach is that when {{spark.ui.proxyBase}}
is set, SHS is not accessible anymore through direct access.
Since Knox provides in the header {{X-Forwarded-Context}} the base URL to use
(there is a patch available in KNOX-1295), we can leverage it in order to
dynamically retrieve the right proxy base, instead of relying on a fixed
config. In this way, both access via Knox proxy and via direct URL can work
properly.
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