80 lines
2.7 KiB
C#
80 lines
2.7 KiB
C#
namespace Samples
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{
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using OpenTelemetry.Exporter.Prometheus;
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using OpenTelemetry.Stats;
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using OpenTelemetry.Stats.Aggregations;
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using OpenTelemetry.Stats.Measures;
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using OpenTelemetry.Tags;
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using OpenTelemetry.Trace;
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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internal class TestPrometheus
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{
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private static ITracer tracer = Tracing.Tracer;
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private static ITagger tagger = Tags.Tagger;
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private static IStatsRecorder statsRecorder = Stats.StatsRecorder;
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private static readonly IMeasureLong VideoSize = MeasureLong.Create("my.org/measure/video_size", "size of processed videos", "By");
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private static readonly TagKey FrontendKey = TagKey.Create("my.org/keys/frontend");
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private static long MiB = 1 << 20;
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private static readonly IViewName VideoSizeViewName = ViewName.Create("my.org/views/video_size");
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private static readonly IView VideoSizeView = View.Create(
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VideoSizeViewName,
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"processed video size over time",
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VideoSize,
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Distribution.Create(BucketBoundaries.Create(new List<double>() { 0.0, 16.0 * MiB, 256.0 * MiB })),
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new List<TagKey>() { FrontendKey });
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internal static object Run()
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{
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var exporter = new PrometheusExporter(
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new PrometheusExporterOptions()
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{
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Url = "http://+:9184/metrics/" // "+" is a wildcard used to listen to all hostnames
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},
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Stats.ViewManager);
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exporter.Start();
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try
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{
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var tagContextBuilder = tagger.CurrentBuilder.Put(FrontendKey, TagValue.Create("mobile-ios9.3.5"));
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Stats.ViewManager.RegisterView(VideoSizeView);
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var t = new Task(() =>
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{
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var r = new Random();
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var values = new byte[1];
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while (true)
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{
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using (var scopedTags = tagContextBuilder.BuildScoped())
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{
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r.NextBytes(values);
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statsRecorder.NewMeasureMap().Put(VideoSize, values[0] * MiB).Record();
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Thread.Sleep(TimeSpan.FromSeconds(1));
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}
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}
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});
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t.Start();
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Console.WriteLine("Look at metrics in Prometetheus console!");
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Console.ReadLine();
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}
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finally
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{
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exporter.Stop();
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}
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return null;
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}
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}
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}
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