https://github.com/ncabatoff/fakescraper

Scrape prometheus metrics from inside the app. Handy for testing.
https://github.com/ncabatoff/fakescraper

Last synced: 3 months ago
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Scrape prometheus metrics from inside the app. Handy for testing.

• Host: GitHub
• URL: https://github.com/ncabatoff/fakescraper
• Owner: ncabatoff
• License: mit
• Created: 2016-07-25T00:39:14.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2024-07-21T19:47:20.000Z (6 months ago)
• Last Synced: 2024-07-21T21:27:19.718Z (6 months ago)
• Language: Go
• Size: 4.88 KB
• Stars: 1
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# fakescraper

Scrape Prometheus metrics from inside the app.  Handy for testing.

I use this when I'm writing Prometheus exporters and want to test them from the command line.

Before this I would start the daemon, run curl to fetch the metrics, then kill it.  Now I simply

do something like:

```

func main() {

	var (

		onceToStdout = flag.Bool("once-to-stdout", false,

			"Don't bind, instead just print the metrics once to stdout and exit")

	)

	flag.Parse()

	if *onceToStdout {

		fs := fakescraper.NewFakeScraper()

		fmt.Print(fs.Scrape())

		return

	}

	...

	if err := http.ListenAndServe(*listenAddress, nil); err != nil {

		log.Fatalf("Unable to setup HTTP server: %v", err)

	}

}

```