static void Main(string[] args)
{
var metricServer = new MetricServer(hostname:"localhost", port: 1234);
metricServer.Start();
var counter = Metrics.CreateCounter("myCounter", "help text", labelNames: new []{ "method", "endpoint"});
counter.Labels("GET", "/").Inc();
counter.Labels("POST", "/cancel").Inc();
var gauge = Metrics.CreateGauge("gauge", "help text");
gauge.Inc(3.4);
gauge.Dec(2.1);
gauge.Set(5.3);
var hist = Metrics.CreateHistogram("myHistogram", "help text", buckets: new[] { 0, 0.2, 0.4, 0.6, 0.8, 0.9 });
hist.Observe(0.4);
var summary = Metrics.CreateSummary("mySummary", "help text");
summary.Observe(5.3);
var random = new Random();
Observable.Interval(TimeSpan.FromSeconds(0.5)).Subscribe(l =>
{
counter.Inc();
counter.Labels("GET", "/").Inc(2);
gauge.Set(random.NextDouble() + 2);
hist.Observe(random.NextDouble());
summary.Observe(random.NextDouble());
});
Console.WriteLine("ENTER to quit");
Console.ReadLine();
metricServer.Stop();
}
public static void Main(string[] args)
{
var metricServer = new Prometheus.MetricServer(port: 8090);
metricServer.Start();
while (true)
{
if (IsAvailable().Result)
{
ReportIsHealthy();
}
else
{
ReportIsBroken();
}
// a very high sample rate through sleeping only a little
Thread.Sleep(100);
}
}