public async Task LabelledHistogram_metrics_are_exposed_correctly_in_cultures_with_non_point_decimal_separator()
{
var metrics = new PrometheusMetrics();
var histogram = metrics.Histogram()
.Name("test_histogram")
.Buckets(-1.1, 2.2, 3.14159, 9)
.LabelNames("dolor")
.Help("Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam")
.Register();
histogram.Labels("sit amet").Observe(-0.3);
histogram.Labels("sit amet").Observe(2.99);
var memstream = new MemoryStream();
await metrics.Expose(memstream);
var lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{dolor=\"sit amet\", le=\"-1.1\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{dolor=\"sit amet\", le=\"2.2\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{dolor=\"sit amet\", le=\"3.14159\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{dolor=\"sit amet\", le=\"9\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{dolor=\"sit amet\", le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum{dolor=\"sit amet\"} 2.69"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count{dolor=\"sit amet\"} 2"));
}
public async Task Histogram_metrics_are_exposed_correctly_in_cultures_with_non_point_decimal_separator()
{
var metrics = new PrometheusMetrics();
var histogram = metrics.Histogram()
.Name("test_histogram")
.Buckets(-1.1, 2.2, 3.14159, 9)
.Help("Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit")
.Register();
histogram.Observe(-0.3);
histogram.Observe(2.99);
var memstream = new MemoryStream();
await metrics.Expose(memstream);
var lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"-1.1\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"2.2\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"3.14159\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"9\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum 2.69"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count 2"));
}
public async Task LinearHistogram_metrics_are_exposed_correctly()
{
var metrics = new PrometheusMetrics();
var histogram = metrics.Histogram()
.LinearBuckets(-10, 10, 12)
.Name("test_histogram")
.Help("This is the help")
.Register();
histogram.Observe(21);
var memstream = new MemoryStream();
await metrics.Expose(memstream);
var lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"-10\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"0\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"10\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"20\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"30\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"40\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"50\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"60\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"70\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"80\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"90\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"100\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"+Inf\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum 21"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count 1"));
histogram.Observe(51);
memstream = new MemoryStream();
await metrics.Expose(memstream);
lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"-10\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"0\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"10\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"20\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"30\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"40\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"50\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"60\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"70\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"80\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"90\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"100\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum 72"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count 2"));
}
public async Task ExponentialHistogram_metrics_are_exposed_correctly()
{
var metrics = new PrometheusMetrics();
var histogram = metrics.Histogram()
.ExponentialBuckets(1, 2, 8)
.Name("test_histogram")
.Help("This is the help")
.Register();
histogram.Observe(21);
var memstream = new MemoryStream();
await metrics.Expose(memstream);
var lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"1\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"2\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"8\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"16\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"32\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"64\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"128\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"+Inf\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum 21"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count 1"));
histogram.Observe(51);
memstream = new MemoryStream();
await metrics.Expose(memstream);
lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"1\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"2\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"8\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"16\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"32\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"64\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"128\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum 72"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count 2"));
}
public async Task LabelledCustomHistogram_metrics_are_exposed_correctly()
{
var metrics = new PrometheusMetrics();
var histogram = metrics.Histogram()
.Buckets(2, 3, 4, 12, 31, 243)
.Name("test_histogram")
.Help("This is the help")
.LabelNames("method")
.Register();
histogram.Labels("GET").Observe(11);
histogram.Labels("POST").Observe(21);
var memstream = new MemoryStream();
await metrics.Expose(memstream);
var lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"3\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"12\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"31\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"243\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"+Inf\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum{method=\"GET\"} 11"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count{method=\"GET\"} 1"));
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"3\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"12\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"31\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"243\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"+Inf\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum{method=\"POST\"} 21"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count{method=\"POST\"} 1"));
histogram.Labels("GET").Observe(51);
histogram.Labels("POST").Observe(61);
memstream = new MemoryStream();
await metrics.Expose(memstream);
lines = UTF8.GetString(memstream.ToArray()).Split('\n');
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"3\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"12\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"31\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"243\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"GET\", le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum{method=\"GET\"} 62"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count{method=\"GET\"} 2"));
Assert.Equal(1, lines.Count(s => s == "# HELP test_histogram This is the help"));
Assert.Equal(1, lines.Count(s => s == "# TYPE test_histogram histogram"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"3\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"4\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"12\"} 0"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"31\"} 1"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"243\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_bucket{method=\"POST\", le=\"+Inf\"} 2"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_sum{method=\"POST\"} 82"));
Assert.Equal(1, lines.Count(s => s == "test_histogram_count{method=\"POST\"} 2"));
}
public static void Main(string[] args)
{
IMetrics metrics = new PrometheusMetrics();
var planningTime = metrics.Gauge()
.Name("planning_time").Help("The processing time in seconds").LabelNames("solver").Register();
var planningCount = metrics.Counter()
.Name("planning_count").Help("The count of planning").LabelNames("solver").Register();
var totalPlanningCount = metrics.Counter()
.Name("plannning_count_total").Help("Total count of plannings").Register();
var totalRunning = metrics.Gauge()
.Name("plannning_running_total").Help("Currently running plannings").Register();
var planningStartTime = metrics.Gauge()
.Name("planning_start_time").Help("Start time of last planning").Register();
var planningTimeHistogram = metrics.Histogram()
.LinearBuckets(0, 300, 10)
.Name("planning_duration_times")
.Help("Duration of plannings in ms")
.Register();
var planningTimeHistogramForSolver = metrics.Histogram()
.LinearBuckets(0, 300, 10)
.Name("planning_duration_times_for_solver")
.Help("Duration of plannings in ms for different solvers")
.LabelNames("solver")
.Register();
var pgw = new PushGateway(
new Uri("http://127.0.0.1:9091"),
"example_app",
new List <Tuple <string, string> > {
Tuple.Create("environment", "test")
}
);
Task.Run(async() =>
{
var pm = metrics as PrometheusMetrics;
var output = Console.OpenStandardOutput();
for (;;)
{
Console.WriteLine("# Waiting");
await Task.Delay(TimeSpan.FromSeconds(10));
Console.WriteLine("# Exposing");
await pm.Expose(output);
Console.WriteLine("# Done");
try
{
await pgw.PushAsync(pm, "example_app:9000");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
});
foreach (var solver in new[] { "Static", "Dynamic" })
{
Task.Run(() =>
{
var rnd = new Random(solver.GetHashCode());
for (;;)
{
using (planningTime.Labels(solver).Timer())
{
totalPlanningCount.Increment();
planningCount.Labels(solver).Increment();
planningStartTime.SetToCurrentTime();
totalRunning.TrackInProgress(() =>
{
var planningSleep = rnd.Next(5000);
Thread.Sleep(planningSleep);
planningTimeHistogram.Observe(planningSleep);
planningTimeHistogramForSolver.Labels(solver).Observe(planningSleep);
});
}
}
});
}
Console.ReadLine();
}
