Hello,

I am still looking for a solution to identify if a device which uses "PUSH" 
method is not sending data anmore for e.g. 10 minutes.
The amount of devices is limited at around 20-30.

any idea how to check if there are not any new metrics from it? All metrics 
from these devices sharing the same labels like "host_name" so this is a 
label I could verify and they all share same metrics like 
"push_device_uptime(host_name: deviceName)"



Alexander Wilke schrieb am Samstag, 20. Januar 2024 um 10:15:08 UTC+1:

> Hello,
> I have some Enterprise Firewalls which unfortunately only can PUSH metrics 
> to remote_write API of Prometheus. Vendor has No Plans to offer PULL.
>
> Which possibilities do I have in Prometheus to Change some metrics at the 
> time they arrive on the API? I want to add some Custom Labels based in 
> existing Label information.
>
> In Addition ist there any possibility to Check If a devices is still 
> sending metrics?
> Because Prometheus is Not pulling it can Not Check the "Up" state i think 
> but is it possible to query If there are metrics in Prometheus with a 
> specific Label Set and Not older than e.g. 10minutes?
>
> And how can I Check If the Prometheus Server can ingest all the metrics 
> which arrive on the API? For Pull i have some dashboards which Show sampels 
> per Seconds and so on.
>
> I am a little Bit confused because from my understanding remote write is 
> in General used to write Data from one Prometheus to another Destination so 
> the configuation and Tuning Parameters seem Not to fit for incoming Traffic.
>
> Maybe you can Help me.
>

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