Sean Mackrory created HDFS-10758:
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Summary: ReconfigurableBase can log sensitive information
Key: HDFS-10758
URL: https://issues.apache.org/jira/browse/HDFS-10758
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Sean Mackrory
Assignee: Sean Mackrory
ReconfigurableBase will log old and new configuration values, which may cause
sensitive parameters (most notably cloud storage keys, though there may be
other instances) to get included in the logs.
Given the currently small list of reconfigurable properties, an argument could
be made for simply not logging the property values at all, but this is not the
only instance where potentially sensitive configuration gets written somewhere
else in plaintext. I think a generic mechanism for redacting sensitive
information for textual display will be useful to some of the web UIs too.
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