added example of using grafana loki for nbomber serilog logger (#691)

examples/Demo/Demo.csproj

@@ -58,6 +58,7 @@
         <PackageReference Include="NBomber.Sinks.InfluxDB" Version="5.0.2" />
 
         <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="9.0.0" />
+        <PackageReference Include="Serilog.Sinks.Grafana.Loki" Version="8.3.0" />
         <PackageReference Include="StackExchange.Redis" Version="2.6.122" />
         <PackageReference Include="System.Data.SQLite.Core" Version="1.0.117" />
         <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.31.0" />

examples/Demo/Features/SerilogGrafanaLokiLogger/SerilogGrafanaLokiExample.cs

@@ -0,0 +1,34 @@
+using NBomber.CSharp;
+using Serilog;
+using Serilog.Sinks.Grafana.Loki;
+
+namespace Demo.Features.SerilogGrafanaLokiLogger;
+
+public class SerilogGrafanaLokiExample
+{
+    public void Run()
+    {
+        var scenario = Scenario.Create("hello_world_scenario", async context =>
+            {
+                await Task.Delay(1000);
+
+                context.Logger.Information("my log message: {0}", context.InvocationNumber);
+
+                return Response.Ok();
+            })
+            .WithoutWarmUp()
+            .WithLoadSimulations(
+                Simulation.KeepConstant(copies: 1, during: TimeSpan.FromSeconds(30))
+            );
+
+        NBomberRunner
+            .RegisterScenarios(scenario)
+            .WithLoggerConfig(() =>
+                new LoggerConfiguration()
+                    .MinimumLevel.Debug()
+                    .WriteTo.GrafanaLoki("http://localhost:3100",
+                        new [] {new LokiLabel {Key = "application", Value = "NBomber"}})
+            )
+            .Run();
+    }
+}

examples/Demo/Features/SerilogGrafanaLokiLogger/docker-compose.yaml

@@ -0,0 +1,13 @@
+version: "3"
+
+services:
+    loki:
+        image: grafana/loki:master
+        ports:
+            - 3100:3100
+        command: -config.file=/etc/loki/local-config.yaml
+
+    grafana:
+        image: grafana/grafana:master
+        ports:
+            - "3000:3000"

examples/Demo/Program.cs

@@ -11,6 +11,7 @@
 using Demo.Features.ElasticsearchLogger;
 using Demo.Features.RealtimeReporting.CustomReportingSink;
 using Demo.Features.RealtimeReporting.InfluxDB;
+using Demo.Features.SerilogGrafanaLokiLogger;
 using Demo.Features.Timeouts;
 using Demo.HelloWorld;
 using Demo.HelloWorld.LoadSimulation;
@@ -24,7 +25,7 @@
 // -------------------------------
 // ----- Hello World examples -----
 // -------------------------------
-new HelloWorldExample().Run();
+//new HelloWorldExample().Run();
 // new ScenarioWithInit().Run();
 // new ScenarioWithSteps().Run();
 // new StepsShareData().Run();
@@ -60,6 +61,7 @@
 
 // ---- Logs ----
 // new ElasticsearchExample().Run();
+new SerilogGrafanaLokiExample().Run();
 
 // ---- Timeouts ----
 // new ScenarioCompletionTimeout().Run();