feat: hooking observability.

.idea/.idea.godot-host-test/.idea/jsonSchemas.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JsonSchemaMappingsProjectConfiguration">
+    <state>
+      <map>
+        <entry key="appsettings.json">
+          <value>
+            <SchemaInfo>
+              <option name="name" value="appsettings.json" />
+              <option name="relativePathToSchema" value="https://www.schemastore.org/appsettings.json" />
+              <option name="applicationDefined" value="true" />
+              <option name="patterns">
+                <list>
+                  <Item>
+                    <option name="path" value="appsettings.json" />
+                  </Item>
+                </list>
+              </option>
+            </SchemaInfo>
+          </value>
+        </entry>
+      </map>
+    </state>
+  </component>
+</project>

Game/Level/LevelServiceSource.cs

@@ -1,3 +1,5 @@
+using System;
+using System.Diagnostics;
 using Godot;
 using GodotHostTest.AetherBind;
 using GodotHostTest.Game.Target;
@@ -19,8 +21,13 @@ public partial class LevelServiceSource : ServiceSource
 
     [WithProvider]
     private void OnScopeCreated(IValueSetter<ITargetCollector> targetCollector,
-        IValueSetter<ITargetSpawner> targetSpawner)
+        IValueSetter<ITargetSpawner> targetSpawner, ActivitySource activitySource, IValueSetter<Activity> activity)
     {
+        // ReSharper disable once ExplicitCallerInfoArgument - the caller name is not significant in this case
+        var activityValue = activitySource.StartActivity("Level") ??
+                            throw new InvalidOperationException(
+                                "No listeners for the activity - is OpenTelemetry running?");
+        activity.Set(activityValue);
         targetCollector.Set(_targetSpawner);
         targetSpawner.Set(_targetSpawner);
     }

Game/Level/LevelServices.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics;
 using GodotHostTest.AetherBind;
 using GodotHostTest.Interfaces;
 using OwofGames.GodotLume;
@@ -12,6 +13,8 @@ public static class LevelServices
             // current level / level data management
             .AddSingleton<ICurrentLevel, CurrentLevel>()
             .AddInstance<ILevelDataProvider, LevelsData>(levelsData)
+            // value provider for activity
+            .AddValueProvider<Activity, LevelScope>()
             // value providers to send data into level scope
             .AddValueProvider<ILevel, RootScope, LevelScope>()
             // value provider for level scope setup

Game/Root/GameServiceSource.cs

@@ -3,6 +3,8 @@ using GodotHostTest.Game.Level;
 using GodotHostTest.Game.Score;
 using GodotHostTest.Game.Target;
 using GodotHostTest.Interfaces;
+using Microsoft.Extensions.DependencyInjection;
+using OwofGames.AetherBind.Observability;
 using OwofGames.GodotLume;
 using RootServiceSource = GodotHostTest.AetherBind.RootServiceSource;
 
@@ -19,4 +21,9 @@ public partial class GameServiceSource : RootServiceSource
             .AddSingleton<IScore, TotalScore>()
             .AddLevelServices(_levelsData);
     }
+
+    protected override void ConfigureServices(IServiceCollection serviceCollection)
+    {
+        serviceCollection.AddObservability();
+    }
 }

Game/Turret/Turret.cs

@@ -1,5 +1,6 @@
 using Godot;
 using GodotHostTest.AetherBind;
+using Microsoft.Extensions.Logging;
 using OwofGames.AetherBind;
 
 namespace GodotHostTest.Game.Turret;
@@ -7,10 +8,12 @@ namespace GodotHostTest.Game.Turret;
 public partial class Turret : Sprite2D
 {
     [Export] private Node2D _launcher = null!;
+    [Inject] private ILogger<Turret> _logger = null!;
     [Export] private PackedScene _projectilePackedScene = null!;
 
     private double _rotationDirection;
     [Export] private double _rotationSpeed = 6;
+
     [Inject] private ISceneInstantiator _sceneInstantiator = null!;
 
     private void OnTimerTimeout()
@@ -18,6 +21,7 @@ public partial class Turret : Sprite2D
         var projectile = _sceneInstantiator.Instantiate<Node2D>(_projectilePackedScene);
         projectile.Rotation = _launcher.Rotation;
         AddChild(projectile);
+        _logger.LogInformation("Projectile launched.");
     }
 
     public override void _Input(InputEvent @event)

addons/AetherBind/RootServiceSource.cs

@@ -34,10 +34,19 @@ public abstract partial class RootServiceSource : ServiceSource
             .SetServiceProviderFactory(new LumeServiceProviderFactory(), Configure)
             .Build();
 
+        // host startup
+        Host.Startup();
+
         // resolve nodes
         ResolveInjectedNodes(Host.ServiceProvider.GetRequiredService<IProvider>(), null);
     }
 
+    public override void _ExitTree()
+    {
+        // async shutdown
+        Host.Shutdown();
+    }
+
     private void InnerConfigure(IServiceCollection serviceCollection)
     {
         serviceCollection.AddTransient<ISceneInstantiator, SceneInstantiator>();

appsettings.json

@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "OpenTelemetry": {
+      "LogLevel": {
+        "Default": "Trace"
+      },
+      "IncludeFormattedMessage": true,
+      "IncludeScopes": true,
+      "ParseStateValues": true
+    }
+  }
+}

godot-host-test.csproj

@@ -7,9 +7,15 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
     <ItemGroup>
+        <PackageReference Include="Microsoft.Extensions.Diagnostics" Version="10.0.0"/>
+        <PackageReference Include="OpenTelemetry" Version="1.17.0"/>
+        <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.17.0"/>
         <PackageReference Include="R3" Version="1.3.1"/>
     </ItemGroup>
     <ItemGroup>
+        <Reference Include="OwofGames.AetherBind.Observability">
+            <HintPath>..\OwofGames.Godot\OwofGames.AetherBind.Observability\bin\Debug\net8.0\OwofGames.AetherBind.Observability.dll</HintPath>
+        </Reference>
         <Reference Include="OwofGames.GodotHost">
             <HintPath>..\OwofGames.Godot\OwofGames.GodotHost\bin\Debug\net8.0\OwofGames.GodotHost.dll</HintPath>
         </Reference>
@@ -33,6 +39,7 @@
     </ItemGroup>
     <ItemGroup>
         <Content Include="addons\AetherBind\README.md"/>
+        <Content Include="appsettings.json"/>
     </ItemGroup>
     <ItemGroup>
         <Analyzer Include="..\OwofGames.Godot\OwofGames.AetherBind.SourceGenerators\bin\Debug\netstandard2.0\OwofGames.AetherBind.SourceGenerators.dll"/>

godot-host-test.sln.DotSettings.user

@@ -1,16 +1,34 @@
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