Merge pull request #935 from prometheus/beorn7/examples

example/random: Move flags and metrics into main()
This commit is contained in:
Kemal Akkoyun 2021-11-10 18:25:28 +01:00 committed by GitHub
commit 1b145cad68
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1 changed files with 32 additions and 34 deletions

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@ -29,15 +29,18 @@ import (
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var (
func main() {
var (
addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.")
uniformDomain = flag.Float64("uniform.domain", 0.0002, "The domain for the uniform distribution.")
normDomain = flag.Float64("normal.domain", 0.0002, "The domain for the normal distribution.")
normMean = flag.Float64("normal.mean", 0.00001, "The mean for the normal distribution.")
oscillationPeriod = flag.Duration("oscillation-period", 10*time.Minute, "The duration of the rate oscillation period.")
)
)
var (
flag.Parse()
var (
// Create a summary to track fictional interservice RPC latencies for three
// distinct services with different latency distributions. These services are
// differentiated via a "service" label.
@ -58,18 +61,13 @@ var (
Help: "RPC latency distributions.",
Buckets: prometheus.LinearBuckets(*normMean-5**normDomain, .5**normDomain, 20),
})
)
)
func init() {
// Register the summary and the histogram with Prometheus's default registry.
prometheus.MustRegister(rpcDurations)
prometheus.MustRegister(rpcDurationsHistogram)
// Add Go module build info.
prometheus.MustRegister(prometheus.NewBuildInfoCollector())
}
func main() {
flag.Parse()
start := time.Now()