[jira] [Commented] (NIFI-9895) Allow parameters to reference controller services

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17537821#comment-17537821 ] 

ASF subversion and git services commented on NIFI-9895:
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Commit 2a8d07641e63d84613286e63b68a25a5caf9b0ce in nifi's branch refs/heads/main from tpalfy
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=2a8d07641e ]

NIFI-9895 Allow parameters to reference controller services (#5958)

* NIFI-9895 Allow parameter to reference controller service. Check read and write authorization for both previous and newly set controller service. Authorization done for both property or parameter change. Import/export handled by switching between instance id and versioned id.

> Allow parameters to reference controller services
> -------------------------------------------------
>
>                 Key: NIFI-9895
>                 URL: https://issues.apache.org/jira/browse/NIFI-9895
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Tamas Palfy
>            Priority: Major
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> Currently processors cannot reference controller services through parameters.
> While this has security reasons (apart from the technical challenges), flow definition reusability would be greatly enhanced if users could predefine controller services and control which one to use (if at all) through parameters. This way the flow itself could be treated as static and all aspects of the configuration could be managed without the need to change it.
> Security concerns need to be carefully handled whenever the parameter (referencing a controller service), or the processor property (using such a parameter), changes.



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