use di container for logger

src/FilterLists.Agent/Program.cs

@@ -1,7 +1,9 @@
 using System;
 using System.IO;
 using System.Threading.Tasks;
+using FilterLists.Services;
 using FilterLists.Services.DependencyInjection.Extensions;
+using FilterLists.Services.Extensions;
 using FilterLists.Services.Snapshot;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -11,7 +13,6 @@ namespace FilterLists.Agent
     public static class Program
     {
         private const int BatchSize = 1;
-        private const string AppInsightsKeyConfig = "ApplicationInsights:InstrumentationKey";
         private static IConfigurationRoot configRoot;
         private static ServiceProvider serviceProvider;
         private static SnapshotService snapshotService;
@@ -23,6 +24,7 @@ public static async Task Main()
             BuildConfigRoot();
             BuildServiceProvider();
             snapshotService = serviceProvider.GetService<SnapshotService>();
+            logger = serviceProvider.GetService<Logger>();
             await TryCaptureSnapshots();
         }
 
@@ -41,16 +43,13 @@ private static void BuildServiceProvider()
 
         private static async Task TryCaptureSnapshots()
         {
-            using (logger = new Logger(configRoot[AppInsightsKeyConfig]))
+            try
             {
-                try
-                {
-                    await CaptureSnapshots(BatchSize).TimeoutAfter(Timeout);
-                }
-                catch (TimeoutException te)
-                {
-                    logger.Log(te);
-                }
+                await CaptureSnapshots(BatchSize).TimeoutAfter(Timeout);
+            }
+            catch (TimeoutException te)
+            {
+                logger.Log(te);
             }
         }
 

src/FilterLists.Services/DependencyInjection/Extensions/ConfigureServicesCollection.cs

@@ -33,6 +33,7 @@ public static void AddFilterListsAgentServices(this IServiceCollection services,
                         o.UseMySql(config.GetConnectionString("FilterListsConnection"),
                             m => m.MigrationsAssembly("FilterLists.Api")));
             services.TryAddScoped<SnapshotService>();
+            services.TryAddScoped<Logger>();
             services.AddAutoMapper();
         }
     }

src/FilterLists.Services/Extensions/TaskExtensions.cs

@@ -2,7 +2,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace FilterLists.Agent
+namespace FilterLists.Services.Extensions
 {
     public static class TaskExtensions
     {

src/FilterLists.Services/Logger.cs

@@ -1,17 +1,21 @@
 using System;
 using System.Threading;
+using JetBrains.Annotations;
 using Microsoft.ApplicationInsights;
 using Microsoft.ApplicationInsights.Extensibility;
+using Microsoft.Extensions.Configuration;
 
-namespace FilterLists.Agent
+namespace FilterLists.Services
 {
+    [UsedImplicitly]
     public class Logger : IDisposable
     {
+        private const string AppInsightsKeyConfig = "ApplicationInsights:InstrumentationKey";
         private readonly TelemetryClient telemetryClient;
 
-        public Logger(string appInsightsKey)
+        public Logger(IConfiguration config)
         {
-            TelemetryConfiguration.Active.InstrumentationKey = appInsightsKey;
+            TelemetryConfiguration.Active.InstrumentationKey = config[AppInsightsKeyConfig];
             telemetryClient = new TelemetryClient();
         }