ActiveMQ exporter or RSS exporter

[petel...@googlemail.com]

Hey guys.

Here is my challenge. I want to banish Nagios to the scrap heap however one alert I’ve not been able to replicate In Prometheus is for number of messages in an ActiveMQ implementation I have that is flakey at best and rely heavily on alerting.

Nagios has an ActiveMQ plugin and works quite well.

ActiveMQ also has an atom / RSS feed.

I’m wondering what options I have for getting some metrics into Prometheus with either exposing native ActiveMQ or via Scraping RSS feeds.

Cheers

Pete

Cheers

[petel...@googlemail.com]

I have a cunning plan for this.

I plan to convert the xml output to JSON using powershell via scheduled task on the machine running ActiveMQ and copy to a web server instance then use a json exporter to pull the values.

In theory this should work. I will report back progress for others.

[Matthias Rampke]

> copy to a web server instance then use a json exporter

An alternative to that is to use the textfile collector of a node_exporter running on the same instance – you need to produce something like Prometheus metric format but you can save the need to copy anything off the machine (in effect, node exporter takes the role of a metrics-format-aware web server).

Is it safe to request the XML frequently? In that case, you could also consider just writing the exporter – build on this example[0] but parse XML instead of JSON (or use your favourite language).

/MR

[0] https://www.robustperception.io/writing-json-exporters-in-python/

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[petel...@googlemail.com]

Hi thanks for the reply. Yes the xml is safe to hit regularly. Unfortunately I don’t have enough knowledge yet to be able create my own exporter or the time as it stands.