feat: add open telemetry (#166)

* feat: add open telemetry
#162

* removed appinsights

src/Oplog.Api/Oplog.Api.csproj

@@ -10,6 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Extensions.AspNetCore.Configuration.Secrets" Version="1.3.1" />
+    <PackageReference Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.2.0" />
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="8.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.5" />

src/Oplog.Api/Program.cs

@@ -21,6 +21,7 @@
 using Oplog.Persistence.Repositories;
 using System;
 using System.Net.Http;
+using Azure.Monitor.OpenTelemetry.AspNetCore;
 
 var builder = WebApplication.CreateBuilder(args);
 var configuration = builder.Configuration;
@@ -30,6 +31,7 @@
 var clientId = configuration["AzureAd:ClientId"];
 var clientSecret = configuration["AzureAd:ClientSecret"];
 var tenantId = configuration["AzureAd:TenantId"];
+var appInsightsConnectionString = configuration["ApplicationInsights:ConnectionString"];
 
 if (!builder.Environment.IsDevelopment())
 {
@@ -101,13 +103,10 @@
 builder.Services.AddScoped<IIndexSearchClient, IndexSearchClient>();
 builder.Services.AddTransient<ISearchLogsQueries, SearchLogsQueries>();
 
-// The following line enables Application Insights telemetry collection.
-var appInsightsOptions = new ApplicationInsightsServiceOptions
-{
-    ConnectionString = configuration["ApplicationInsights:ConnectionString"],
-    EnableAdaptiveSampling = false
-};
-builder.Services.AddApplicationInsightsTelemetry(options: appInsightsOptions);
+// Add OpenTelemetry and configure it to use Azure Monitor.
+builder.Services.AddOpenTelemetry().UseAzureMonitor(options => {
+    options.ConnectionString = appInsightsConnectionString;
+});
 
 //Add command handlers
 CommandHandlersSetup.AddCommandHandlers(builder.Services, typeof(ICommandHandler<>));