Prometheus: Up & Running: Infrastructure and Application Performance Monitoring by Brian Brazil

Author:Brian Brazil [Brazil, Brian]
Language: eng
Format: epub
Publisher: O'Reilly Media
Published: 2018-07-08T23:00:00+00:00

Finally, the custom collector object is instantiated and registered with the default registry, in the same way you would one of the direct instrumentation metrics:

c := ConsulCollector{} prometheus.MustRegister(c)

Exposition is performed in the usual way, which you already saw in “Go”:

http.Handle("/metrics", promhttp.Handler()) log.Fatal(http.ListenAndServe(":8000", nil))

This is, of course, a simplified example. In reality you would have some way to configure the Consul server to talk to, such as a command-line flag, rather than depending on the client’s default. You would also reuse the client between scrapes, and allow the various authentication options of the client to be specified.

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