34 lines
547 B
Go
34 lines
547 B
Go
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package main
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import (
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"flag"
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"fmt"
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"net/http"
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"time"
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)
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func metricsHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(200)
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w.Write([]byte(fmt.Sprintf(`{"queue": {"length": %d}}`, size)))
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}
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var (
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size int
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)
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func main() {
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flag.IntVar(&size, "fake-queue-length", 10, "Fake queue length for fake metrics.")
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flag.Parse()
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mux := http.NewServeMux()
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mux.HandleFunc("/metrics", metricsHandler)
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server := &http.Server{
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Addr: ":9090",
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Handler: mux,
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ReadTimeout: 5 * time.Second,
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}
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server.ListenAndServe()
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}
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