Add telemetry to power service

Power/Service/PowerReader.cs

@@ -1,12 +1,12 @@
 using ChrisKaczor.HomeMonitor.Power.Service.Data;
 using ChrisKaczor.HomeMonitor.Power.Service.Models;
 using JetBrains.Annotations;
+using Microsoft.ApplicationInsights;
 using Microsoft.AspNetCore.SignalR.Client;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
 using RestSharp;
 using System;
-using System.Linq;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
@@ -18,18 +18,22 @@ namespace ChrisKaczor.HomeMonitor.Power.Service
     {
         private readonly IConfiguration _configuration;
         private readonly Database _database;
+        private readonly TelemetryClient _telemetryClient;
 
         private HubConnection _hubConnection;
         private Timer _readTimer;
 
-        public PowerReader(IConfiguration configuration, Database database)
+        public PowerReader(IConfiguration configuration, Database database, TelemetryClient telemetryClient)
         {
             _configuration = configuration;
             _database = database;
+            _telemetryClient = telemetryClient;
         }
 
         public Task StartAsync(CancellationToken cancellationToken)
         {
+            _telemetryClient.TrackTrace($"{nameof(PowerReader)} - Start");
+
             _readTimer = new Timer(OnTimer, null, TimeSpan.Zero, TimeSpan.FromSeconds(1));
 
             if (!string.IsNullOrEmpty(_configuration["Hub:Power"]))
@@ -81,6 +85,8 @@ namespace ChrisKaczor.HomeMonitor.Power.Service
 
         public Task StopAsync(CancellationToken cancellationToken)
         {
+            _telemetryClient.TrackTrace($"{nameof(PowerReader)} - Stop");
+
             _readTimer.Dispose();
 
             _hubConnection?.StopAsync(cancellationToken).Wait(cancellationToken);

Power/Service/Service.csproj

@@ -26,6 +26,8 @@
   <ItemGroup>
     <PackageReference Include="Dapper" Version="2.0.90" />
     <PackageReference Include="JetBrains.Annotations" Version="2021.1.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights" Version="2.17.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.17.0" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="5.0.6" />
     <PackageReference Include="Microsoft.Data.SqlClient" Version="2.1.3" />
     <PackageReference Include="RestSharp" Version="106.11.7" />

Power/Service/Startup.cs

@@ -1,4 +1,5 @@
 using ChrisKaczor.HomeMonitor.Power.Service.Data;
+using Microsoft.ApplicationInsights.Extensibility;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Mvc;
@@ -13,6 +14,10 @@ namespace ChrisKaczor.HomeMonitor.Power.Service
     {
         public void ConfigureServices(IServiceCollection services)
         {
+            services.AddSingleton<ITelemetryInitializer, TelemetryInitializer>();
+
+            services.AddApplicationInsightsTelemetry();
+
             services.AddTransient<Database>();
 
             services.AddHostedService<PowerReader>();

Power/Service/TelemetryInitializer.cs

@@ -0,0 +1,14 @@
+using Microsoft.ApplicationInsights.Channel;
+using Microsoft.ApplicationInsights.Extensibility;
+using System.Reflection;
+
+namespace ChrisKaczor.HomeMonitor.Power.Service
+{
+    public class TelemetryInitializer : ITelemetryInitializer
+    {
+        public void Initialize(ITelemetry telemetry)
+        {
+            telemetry.Context.Cloud.RoleName = Assembly.GetEntryAssembly()?.GetName().Name;
+        }
+    }
+}

Power/Service/deploy/manifest.yaml

@@ -94,6 +94,11 @@ spec:
         securityContext:
           privileged: true
         env:
+        - name: ApplicationInsights__InstrumentationKey
+          valueFrom:
+            secretKeyRef:
+              name: telemetry
+              key: key
         - name: Power__Database__Host
           value: power-database
         - name: Power__Database__User