Marcelo Vanzin created SPARK-20379:
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Summary: Allow setting SSL-related passwords through env variables
Key: SPARK-20379
URL: https://issues.apache.org/jira/browse/SPARK-20379
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.2.0
Reporter: Marcelo Vanzin
Currently, Spark reads all SSL options from configuration, which can be
provided in a file or through the command line. This means that to set the SSL
keystore / trust store / key passwords, you have to use one of those options.
Using the command line for that is not secure, and in some environments admins
prefer to not have the password written in plain text in a file (since the file
and the data it's protecting could be stored in the same filesystem). So for
these cases it would be nice to be able to provide these passwords through
environment variables, which are not written to disk and also not readable by
other users on the same machine.
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