Integrating with Undertow.io HTTP server

[boris.n...@gmail.com]

Hi,

Using Prometheus Java library, is it possible to export prometheus http endpoints over existing Undertow HTTP server?

Thanks,
-Borys N

[Simon Pasquier]

You probably want to use the JMX exporter [1].

[1] https://github.com/prometheus/jmx_exporter

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[boris.n...@gmail.com]

With this approach I will have another HTTP server on another port just for metric. I would prefer to integrate with undertow HTTP server, which I have already started with my process.

[Simon Pasquier]

I asked someone who's more knowledgeable than me on this topic and
here's his comment:

I believe what they’re asking is how difficult it would be to
replicate what the Prometheus http server does, ie they want to
provide a Prometheus endpoint on their existing server, eg adding a
/metics context. Is there something they could use within their
undertow request handler for this? Which I think is basically this:
https://github.com/prometheus/client_java/blob/master/simpleclient_httpserver/src/main/java/io/prometheus/client/exporter/HTTPServer.java#L59

Hope this helps...

On Fri, Nov 16, 2018 at 7:23 PM <boris.n...@gmail.com> wrote:
>
> With this approach I will have another HTTP server on another port just for metric. I would prefer to integrate with undertow HTTP server, which I have already started with my process.
>

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[Meier]

maybe looking at how spring-boot implements the metrics actuator is a strating point for ideas.