Exemplo n.º 1
0
        public async void HandlePrometheusRequestAsync_ReturnsExpected()
        {
            var opts      = new PrometheusEndpointOptions();
            var mopts     = TestHelper.GetManagementOptions(opts);
            var exporter  = new PrometheusExporter();
            var processor = new SteeltoeProcessor(exporter);
            var factory   = AutoCollectingMeterFactory.Create(processor);
            var meter     = factory.GetMeter("Test");

            SetupTestView(meter);
            factory.CollectAllMetrics();
            processor.ExportMetrics();

            Task.Delay(1000).Wait();

            var ep     = new PrometheusScraperEndpoint(opts, exporter);
            var middle = new PrometheusScraperEndpointMiddleware(null, ep, mopts);

            var context = CreateRequest("GET", "/actuator/prometheus");

            await middle.HandleMetricsRequestAsync(context);

            context.Response.Body.Seek(0, SeekOrigin.Begin);
            var rdr  = new StreamReader(context.Response.Body);
            var text = await rdr.ReadToEndAsync();

            Assert.Equal("# HELP test Testtest\n# TYPE test counter\ntest{a=\"v1\",b=\"v1\",c=\"v1\"} 45\n", text);
        }
Exemplo n.º 2
0
        public async Task MultipleExportersTestAsync()
        {
            var opts  = new PrometheusEndpointOptions();
            var mopts = new ActuatorManagementOptions();

            mopts.EndpointOptions.Add(opts);
            var exporter1     = new PrometheusExporter();
            var exporter2     = new SteeltoeExporter();
            var multiExporter = new MultiExporter(new MetricExporter[] { exporter1, exporter2 }.ToList());
            var processor     = new SteeltoeProcessor(multiExporter);

            var factory = AutoCollectingMeterFactory.Create(processor);
            var meter   = factory.GetMeter("Test");

            SetupTestView(meter);
            factory.CollectAllMetrics();
            processor.ExportMetrics();

            Task.Delay(1000).Wait();

            var ep     = new PrometheusScraperEndpoint(opts, exporter1);
            var middle = new PrometheusScraperEndpointMiddleware(null, ep, mopts);

            var context = CreateRequest("GET", "/actuator/prometheus");

            await middle.HandleMetricsRequestAsync(context);

            context.Response.Body.Seek(0, SeekOrigin.Begin);
            var rdr  = new StreamReader(context.Response.Body);
            var text = await rdr.ReadToEndAsync();

            Assert.Equal("# HELP test Testtest\n# TYPE test counter\ntest{a=\"v1\",b=\"v1\",c=\"v1\"} 45\n", text);

            var meopts  = new MetricsEndpointOptions();
            var ep2     = new MetricsEndpoint(meopts, exporter2);
            var middle2 = new MetricsEndpointMiddleware(null, ep2, mopts);

            var context2 = CreateRequest("GET", "/actuator/metrics/test", "?tag=a:v1");

            await middle2.HandleMetricsRequestAsync(context2);

            Assert.Equal(200, context.Response.StatusCode);

            context2.Response.Body.Seek(0, SeekOrigin.Begin);
            StreamReader rdr2 = new StreamReader(context2.Response.Body);
            string       json = await rdr2.ReadToEndAsync();

            Assert.Equal("{\"name\":\"test\",\"measurements\":[{\"statistic\":\"COUNT\",\"value\":45}],\"availableTags\":[{\"tag\":\"a\",\"values\":[\"v1\"]},{\"tag\":\"b\",\"values\":[\"v1\"]},{\"tag\":\"c\",\"values\":[\"v1\"]}]}", json);
        }