func updateHistogram(name string, value int64) {
mu.Lock()
defer mu.Unlock()
hist := histograms[name]
if hist == nil {
hist = metrics.NewUnbiasedHistogram()
histograms[name] = hist
}
hist.Update(value)
}
func TestCloudWatch(t *testing.T) {
accessKey := os.Getenv("AWS_ACCESS_KEY")
secretKey := os.Getenv("AWS_SECRET_KEY")
if accessKey == "" || secretKey == "" {
t.Skip("Missing AWS_ACCESS_KEY or AWS_SECRET_KEY environment variable")
}
registry := metrics.NewRegistry()
hist := metrics.NewUnbiasedHistogram()
hist.Update(100)
hist.Update(120)
hist.Update(300)
hist.Update(50)
hist.Update(123)
registry.Add("Test", hist)
auth := func() (string, string, string) {
return accessKey, secretKey, ""
}
snapshot := metrics.NewRegistrySnapshot(true)
snapshot.Snapshot(registry)
reporter := newCloudWatchReporter(time.Minute, "us-east-1", auth, "Test", map[string]string{"Test": "go-metrics"}, time.Second*10)
reporter.Report(snapshot)
}