Comments (1)
gree-gorey
commented on June 12, 2024
No, right now scripts cannot be triggered by scrape -- in order to do so exporter needs a lot of changes in the code.
And for me it doesn't seem to be a good idea for 2 reasons:
- If you executing scripts on each request, your response time for a request becomes unpredictable or can be very long -- because script can take some time to execute and return results.
- This can lead to DoS and overload of exporter: imagine that several clients simultaneously wants to scrape from this exporter and it would have to execute a lot of scripts for each of them on-the-fly.
If you really need this setup I would suggest to just write a simple http server in any language you prefer (Go, Python, Java) that listen for incoming requests, and for each of them executing bash scripts and returning simple strings like:
mymetric{mylabel="myvalue"} 3.14
mymetric2{mylabel="myvalue"} 2.71
It would be just 20 lines of code in Python
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Related Issues (9)
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