Adam Whitlock created HDFS-10864:
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Summary: Verify SSL is working on DataNode startup
Key: HDFS-10864
URL: https://issues.apache.org/jira/browse/HDFS-10864
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode, security
Reporter: Adam Whitlock
There should be verification during DataNode startup that SSL is configured
correctly and working before the DataNode advertises availability. If SSL is
not configured correctly – such as a bad configuration key or corrupt keystore
file – services making connections via SSL (swebhdfs as an example) will
encounter issues when attempting to retrieve data from misconfigured nodes.
This verification check will prevent misconfigured DataNodes from advertising
that they are working correctly while also providing a feedback mechanism to
state that it is misconfigured.
If SSL is misconfigured it should prevent startup from continuing, shutting
down the process.
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