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https://issues.apache.org/jira/browse/NIFI-12007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18110880#comment-18110880
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Stefan Kuettner commented on NIFI-12007:
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{color:#1b1b1b}I’d like to add some further context to this request and
highlight the operational impact we do see here as well.{color}
{color:#1b1b1b}We are using NiFi Registry to deploy the same versioned flows
across multiple NiFi clusters. The only non-parameterized environment-specific
setting in these flows is often the RPG target URL.{color}
{color:#1b1b1b}While the URL can be adjusted after deployment, it cannot be
externalized through parameters and therefore remains embedded in the versioned
flow definition. This creates unnecessary deployment and migration effort,
because RPG endpoints are effectively configuration, not flow logic. Supporting
parameter references for RPG target URLs would greatly simplify
multi-environment deployments and make RPG configuration consistent with the
rest of NiFi.{color}
{color:#1b1b1b}Today, pretty much all environment-specific settings can be
parameterized, while RPG endpoints remain one of the few infrastructure-level
connection settings that cannot. From an operational perspective, RPG URLs are
a natural candidate for parameterization and would significantly improve the
reusability of Registry-managed flows across environments.{color}
{color:#1b1b1b}For organizations operating multiple NiFi clusters, RPG URI
parameterization would remove one of the last remaining obstacles to fully
environment-agnostic versioned flows, without the need to use API-backed
deployment pipelines.{color}
> Add Parameter Context support to Remote Process Groups
> ------------------------------------------------------
>
> Key: NIFI-12007
> URL: https://issues.apache.org/jira/browse/NIFI-12007
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: John Wise
> Priority: Major
>
> We've been using some Remote Process Groups to transmit data between
> clusters. Those RPGs are stored within a NiFi Registry-versioned Process
> Group, but the "URLs" field, specifically, doesn't support Parameter values,
> which would make it much easier to use a single version of the Process Group
> across multiple clusters.
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