[jira] [Updated] (AMBARI-8447) Update ConfigurationResourceProvider to handle Kerberos Administrative Credentials as a special case

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

     [ https://issues.apache.org/jira/browse/AMBARI-8447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Levas updated AMBARI-8447:
---------------------------------
    Assignee: Tom Beerbower  (was: Robert Levas)

> Update ConfigurationResourceProvider to handle Kerberos Administrative Credentials as a special case 
> -----------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-8447
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8447
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Robert Levas
>            Assignee: Tom Beerbower
>              Labels: api, configuration, kerberos, session
>             Fix For: 2.0.0
>
>
> Certain configuration settings need to handled in special-case scenarios. For example short-lived settings to be stored per request or session scope.  Or secure data the must not be stored in the Ambari database.
> An example of this type of data is the administrative credentials used to manage a KDC server.   This _configuration_ data is short lived (per session) and sensitive. Therefore, it must be handled as a special case.  
> To determine that a configuration request contains this data, the {{type}} of the configuration is to be used.  For this specific case, a configuration {{type}} of *_kerberos_admin_identity_* will trigger the special case to secure and store the administrative credentials in a file.  Ideally if the _session_ data was available (see AMBARI-8426) a session-based encryption key would be created and stored in session. That key would then be used to encrypt the data from this request. The encrypted data and key would then be retrieved from the _session_, decrypted, and used as needed. 



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