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https://issues.apache.org/jira/browse/NIFI-5856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Bende updated NIFI-5856:
------------------------------
Labels: SDLC (was: )
> Add capability to assign available matching controller services to processors
> during import from registry
> ---------------------------------------------------------------------------------------------------------
>
> Key: NIFI-5856
> URL: https://issues.apache.org/jira/browse/NIFI-5856
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.8.0
> Reporter: Ed Berezitsky
> Priority: Major
> Labels: SDLC
>
> As a user I would like to reduce manual configuration of components after
> importing flows from NIFI registry.
> Use cases:
> * a component uses controller service(s) defined in a scope of *parent* (or
> higher) level (e.g. record-based processors, DB pools, etc) can have
> controllers assigned by default, if ID registered is not available (versioned
> from another NIFI instance)
> * a controller service that is in a scope of imported flow uses another
> controller in a scope of *parent* (or higher) level (e.g. Record
> readers/writer using schema registry).
> Current state:
> * a lookup for a controller service is done by ID. If ID is not found, a
> controller won't be assigned and property of a processor/controller will stay
> blank and will require manual configuration/selection
> Specifications/Requirements:
> * Change current behavior to enable default assignment of controller
> services to processor/controller property in case desired controller service
> cannot be found by ID.
> * in order to reduce wrong automatic assignments, both type and name of a
> controller service should be considered.
> * Since names aren't unique, have a NIFI property to specify strict and
> nonstrict policy for multi-match:
> ** strict mode will restrict automatic assignment of controller service, and
> property in the processor/controller will stay blank (as per current
> specification).
> ** nonstrict mode will allow any of matching controllers to be assigned
> (first found).
>
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