public void Passing_null_to_PushAsync_throws_ArgumentNullException()
{
var mh = new FakeMessageHandler();
using (var pushgateway = new PushGateway(new HttpClient(mh)
{
BaseAddress = new Uri("http://example.com/")
}))
{
var m = new PrometheusMetrics();
Assert.ThrowsAsync <ArgumentNullException>(() => pushgateway.PushAsync(null, "jobname"));
Assert.ThrowsAsync <ArgumentNullException>(() => pushgateway.PushAsync(m, null));
}
}
public async Task Exposing_a_metric_includes_custom_metrics_without_timestamp()
{
var mh = new FakeMessageHandler();
using (var pgw = new PushGateway(new HttpClient(mh)
{
BaseAddress = new Uri("http://example.com/")
}))
{
var m = new PrometheusMetrics();
var c = m.Counter().Name("test_counter").Help("This is the help text").Register();
c.Increment();
await pgw.PushAsync(m, "exampleapp");
mh.Content.Should().Contain("# HELP test_counter This is the help text\n");
mh.Content.Should().Contain("test_counter 1\n");
}
}
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();
}
