[jira] [Created] (AMBARI-24228) Agent-side command-*.json files should optionally be deleted when no longer needed by the command

["Robert Levas (JIRA)" <ji...@apache.org>]

Robert Levas created AMBARI-24228:
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             Summary: Agent-side command-*.json files should optionally be deleted when no longer needed by the command
                 Key: AMBARI-24228
                 URL: https://issues.apache.org/jira/browse/AMBARI-24228
             Project: Ambari
          Issue Type: Bug
          Components: ambari-agent
    Affects Versions: 2.1.0
            Reporter: Robert Levas
            Assignee: Robert Levas
             Fix For: 2.7.0


Agent-side _command JSON_ files ({{command-*.json}}, {{status_command.json}}) should optionally be deleted when no longer needed by the command.  One reason for this is to reduce the risk of leaking sensitive data stored at plaintext in the _command JSON_ files. 

Currently the _command JSON_ files are stored on disk in /var/lib/ambari-agent/data.  These files may be cleared out over time, but there is a need to have them removed as soon as they are no longer needed.

To do this, a retention policy may be defined so that the Ambari agent behaves accordingly:

* {{keep}}
** No automatic removal is performed
**  This is the default behavior  
* {{remove}}
** The _command JSON_ file are remove as soon as the command completes
* {{remove_on_success}} 
** The _command JSON_ files are remove as soon as the command *successfully* completes
** The _command JSON_ files are not removed on failure conditions





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