public static IServiceCollection AddAppInsights(this IServiceCollection services, IConfiguration configuration, IKeyVaultClient kvClient)
{
var appInsightsConfig = TelemetryConfiguration.Active;
var vaultSettings = new VaultSettings();
configuration.Bind("Vault", vaultSettings);
var instrumentationKey = kvClient.GetSecretAsync(
$"https://{vaultSettings.Name}.vault.azure.net",
configuration["AppInsights:InstrumentationKeySecret"])
.GetAwaiter().GetResult();
appInsightsConfig.InstrumentationKey = instrumentationKey.Value;
appInsightsConfig.TelemetryInitializers.Add(new OperationCorrelationTelemetryInitializer());
appInsightsConfig.TelemetryInitializers.Add(new HttpDependenciesParsingTelemetryInitializer());
var serviceContext = new ServiceContext();
configuration.Bind("AppInsights:Context", serviceContext);
appInsightsConfig.TelemetryInitializers.Add(new ContextTelemetryInitializer(serviceContext));
var module = new DependencyTrackingTelemetryModule();
module.IncludeDiagnosticSourceActivities.Add("Microsoft.Azure.ServiceBus");
module.IncludeDiagnosticSourceActivities.Add("Microsoft.Azure.EventHubs");
module.IncludeDiagnosticSourceActivities.Add("Microsoft.Azure.KeyVault");
module.IncludeDiagnosticSourceActivities.Add("Microsoft.Azure.DocumentDB");
module.Initialize(appInsightsConfig);
var telemetryClient = new TelemetryClient();
telemetryClient.TrackTrace("Program started...");
services.AddSingleton(telemetryClient);
return(services);
}
public static IServiceCollection AddKeyVault(this IServiceCollection services, IConfiguration configuration)
{
var vaultSettings = new VaultSettings();
configuration.Bind("Vault", vaultSettings);
KeyVaultClient.AuthenticationCallback callback = async (authority, resource, scope) =>
{
var authContext = new AuthenticationContext(authority);
var certificate = new X509Certificate2(vaultSettings.ClientCertFile);
var clientCred = new ClientAssertionCertificate(vaultSettings.ClientId, certificate);
var result = await authContext.AcquireTokenAsync(resource, clientCred);
if (result == null)
throw new InvalidOperationException("Failed to obtain the JWT token");
return result.AccessToken;
};
var kvClient = new KeyVaultClient(callback);
services.AddSingleton<IKeyVaultClient>(kvClient);
return services;
}
