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https://issues.apache.org/jira/browse/NIFI-11327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timea Barna updated NIFI-11327:
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Status: Patch Available (was: In Progress)
> Add Export/Import All - NiFi CLI - NiFi Registry
> ------------------------------------------------
>
> Key: NIFI-11327
> URL: https://issues.apache.org/jira/browse/NIFI-11327
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Timea Barna
> Assignee: Timea Barna
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In NiFi Toolkit, in the CLI, we currently have the following commands
> available:
> registry list-buckets
> registry list-flows
> registry list-flow-versions
> registry export-flow-version
> We should have a command registry export-all-flows that does the following:
> List all the buckets, for each bucket, list all flows, for each flow, list
> all versions and export each version. All files should be landing in a target
> directory provided as an argument of the function.
> We also current have the following commands:
> registry create-bucket
> registry create-flow
> registry import-flow-version
> We should have a commend registry import-all-flows that does the following:
> It takes a directory as input (the one created by the export-all-flows
> command), and goes through the files to create the corresponding buckets,
> flows and flows versions.
> The original author, bucket id and flow id need to be kept.
> Use cases:
> * use case 1: NiFi 1 -> connecting to NiFi Registry 1, "re-initialising" an
> existing NiFi Registry, the NiFi Registry does not change, only its
> configuration.
> - export everything
> - change the NR flow definition repo backend from local FS to database (for
> example), or from git to database, etc
> - import everything
> the existing NiFi instance should not see any change
> * use case 2: NiFi 1 -> Registry 1, NiFi 2 -> Registry 2, Disaster Recovery
> kind of thing between two different sites.
> - export everything from NR1
> - import everything into NR2
> - If the import into NR2 is adding new versions, then NiFi 2 should be able
> to update an existing PG to a newer version of the flow.
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