[jira] [Created] (NIFI-2957) ZooKeeper migration toolkit

["Jeff Storck (JIRA)" <ji...@apache.org>]

Jeff Storck created NIFI-2957:
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             Summary: ZooKeeper migration toolkit
                 Key: NIFI-2957
                 URL: https://issues.apache.org/jira/browse/NIFI-2957
             Project: Apache NiFi
          Issue Type: New Feature
          Components: Tools and Build
    Affects Versions: 0.7.1, 1.0.0
            Reporter: Jeff Storck
            Assignee: Jeff Storck
             Fix For: 1.2.0


When upgrading from NiFi 0.x to 1.x, or when it is desired to move from the embedded ZooKeeper to an external ZooKeeper, state from ZooKeeper needs to be migrated.

Initial considerations:
* Username/password protection of nodes is not supported in NiFi 1.x.. Those nodes that are configured that way in ZooKeeper need to be migrated to have an open ACL.
* The toolkit will support a mode to read data from a configurable root node in a source ZooKeeper, and the data will be written to a file designated via CLI.
* The toolkit will support a mode to write data to a destination ZooKeeper
* The toolkit will not allow data to be written to the same ZooKeeper from which the source data was obtained.
* The toolkit will not support reconnecting to ZooKeeper if it is disconnected.  The user can rerun the tool.
* The toolkit will support ZooKeepers configured with Kerberos.



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