[jira] [Updated] (NIFI-8644) Update Stateless so that a ParameterProviderDefinition is provided to dataflow instead of ParameterProvider

["Mark Payne (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-8644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne updated NIFI-8644:
-----------------------------
    Fix Version/s: 1.14.0
           Status: Patch Available  (was: Open)

> Update Stateless so that a ParameterProviderDefinition is provided to dataflow instead of ParameterProvider
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-8644
>                 URL: https://issues.apache.org/jira/browse/NIFI-8644
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: NiFi Stateless
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>            Priority: Major
>             Fix For: 1.14.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently, when a stateless dataflow is created, a ParameterProvider is supplied, which the engine can use to retrieve parameterized values for the dataflow.
> However, it will make sense going forward to allow for a ParameterProvider to be defined outside of the scope of what is provided by default in the stateless api. For example, there may be a desire to integrate with a a secret store provided by a public cloud service, etc. Such a capability would need to be encapsulated in a NAR instead of added to the root class path.
> As such, we need to refactor the stateless api such that instead of providing a ParameterProvider, we instead introduce a notion of a ParameterProviderDefinition, and then include a List of ParameterProviderDefinitions as part of the Dataflow Definition.
> In this way, we can make the parameter retrieval far more flexible and powerful.



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