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https://issues.apache.org/jira/browse/NIFI-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17250549#comment-17250549
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Ruben Laguna commented on NIFI-7922:
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Can this be used to determine if the Nifi UI is “healthy” ? I mean, if a node
get disconnected the listenhttp processor in that node will stop? Does this
removes the need for NIFi-8100?
> Add support for GET request in ListenHTTP for health check
> ----------------------------------------------------------
>
> Key: NIFI-7922
> URL: https://issues.apache.org/jira/browse/NIFI-7922
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Peter Gyori
> Assignee: Peter Gyori
> Priority: Major
> Fix For: 1.13.0
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> Add support for GET request in ListenHTTP processor, so that when put behind
> a load balancer, the LB can make a health check to verify that the service is
> available.
> The health check service should be available on
> <ListenHTTP_service_URI>/healthcheck.
> It should be available via the listening port specified in the processor's
> property, but it should optionally be configured to be available on a
> different port.
> Accessing the health check service via a dedicated port should use 1-way SSL
> at most, even if the main service uses 2-way SSL, since some load balancers
> do not support client certificate handling:
> - If the processor is set not to use SSL, SSL should not be used on the
> health check port, either.
> - If the processor is set to use one-way SSL, one-way SSL should be used on
> the health check port.
> - If the processor is set to use two-way SSL, one-way SSL should be used on
> the health check port.
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