Prometheus is a crazy powerful metrics and monitoring tool. Prometheus not only lets you scrape and collect metrics from other tools like Traefik and HomeAssistant, but also thanks to Blackbox, monitor the availability of other sites. Prometheus' main loop involves scraping a number of "exporters" over HTTP, looking at the data which comes back and collecting the results. Therefore, it's important both that Prometheus is running, but also that scrapes are actually happening.…
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