From 1a3e7b8dc0268cd7fefaa4b48c08d0f6cac72847 Mon Sep 17 00:00:00 2001
From: "Collin M. Barrett" <collinbarrett@users.noreply.github.com>
Date: Sat, 13 Jul 2019 20:37:00 -0500
Subject: [PATCH] warmup QuickPulseTelemetryModule in AddLogging() rather than
 Main()

---
 .../DependencyInjection/ServiceCollectionExtensions.cs   | 9 +++++++--
 src/FilterLists.Agent/Program.cs                         | 5 -----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/FilterLists.Agent/Infrastructure/DependencyInjection/ServiceCollectionExtensions.cs b/src/FilterLists.Agent/Infrastructure/DependencyInjection/ServiceCollectionExtensions.cs
index 55d25fea1..8dc4edbad 100644
--- a/src/FilterLists.Agent/Infrastructure/DependencyInjection/ServiceCollectionExtensions.cs
+++ b/src/FilterLists.Agent/Infrastructure/DependencyInjection/ServiceCollectionExtensions.cs
@@ -8,6 +8,7 @@
 using FilterLists.Agent.Infrastructure.Polly;
 using FilterLists.Agent.Infrastructure.Web;
 using MediatR;
+using Microsoft.ApplicationInsights.Extensibility.PerfCounterCollector.QuickPulse;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Serilog;
@@ -58,8 +59,12 @@ private static void AddLogging(this IServiceCollection services)
         {
             services.AddLogging(b =>
             {
-                var telemetryClient = b.Services.BuildServiceProvider().GetService<AgentTelemetryClient>()
-                    .TelemetryClient;
+                var serviceProvider = b.Services.BuildServiceProvider();
+
+                // init never-resolved singleton
+                serviceProvider.GetService<QuickPulseTelemetryModule>();
+
+                var telemetryClient = serviceProvider.GetService<AgentTelemetryClient>().TelemetryClient;
                 b.AddSerilog(new LoggerConfiguration()
                     .WriteTo.Console()
                     .WriteTo.ApplicationInsights(telemetryClient, TelemetryConverter.Traces)
diff --git a/src/FilterLists.Agent/Program.cs b/src/FilterLists.Agent/Program.cs
index 7aef08098..0644fdde5 100644
--- a/src/FilterLists.Agent/Program.cs
+++ b/src/FilterLists.Agent/Program.cs
@@ -5,7 +5,6 @@
 using FilterLists.Agent.Features.Urls;
 using FilterLists.Agent.Infrastructure.DependencyInjection;
 using MediatR;
-using Microsoft.ApplicationInsights.Extensibility.PerfCounterCollector.QuickPulse;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace FilterLists.Agent
@@ -17,10 +16,6 @@ public static class Program
         public static async Task Main(string[] args)
         {
             _serviceProvider = ServiceProviderBuilder.Build();
-
-            // init never-resolved singleton
-            _serviceProvider.GetService<QuickPulseTelemetryModule>();
-
             var parser = _serviceProvider.GetService<Parser>();
             var mediator = _serviceProvider.GetService<IMediator>();
             await parser.ParseArguments<CommandLineOptions>(args).MapResult(async o =>