ApplicationInsights-dotnet/NETCORE/src/Microsoft.ApplicationInsights.WorkerService/ApplicationInsightsExtensions.cs at 98bc6c540e2dcccc78e4b356cd70e03d146a01ad · microsoft/ApplicationInsights-dotnet · GitHub

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namespace Microsoft.Extensions.DependencyInjection
{
    using System;
    using Microsoft.ApplicationInsights.Extensibility;
    using Microsoft.ApplicationInsights.Extensibility.Implementation.Tracing;
    using Microsoft.ApplicationInsights.WindowsServer;
    using Microsoft.ApplicationInsights.WorkerService;
    using Microsoft.ApplicationInsights.WorkerService.Implementation.Tracing;
    using Microsoft.Extensions.Configuration;
    using Microsoft.Extensions.DependencyInjection.Extensions;
    using Microsoft.Extensions.Options;

    /// <summary>
    /// Extension methods for <see cref="IServiceCollection"/> that allow adding Application Insights services to application.
    /// </summary>
    public static partial class ApplicationInsightsExtensions
    {
        /// <summary>
        /// Adds Application Insights services into service collection.
        /// </summary>
        /// <param name="services">The <see cref="IServiceCollection"/> instance.</param>
        /// <param name="instrumentationKey">Instrumentation key to use for telemetry.</param>
        /// <returns>The <see cref="IServiceCollection"/>.</returns>
        [Obsolete("InstrumentationKey based global ingestion is being deprecated. Use the AddApplicationInsightsTelemetryWorkerService() overload which accepts Action<ApplicationInsightsServiceOptions> and set ApplicationInsightsServiceOptions.ConnectionString. See https://github.com/microsoft/ApplicationInsights-dotnet/issues/2560 for more details.")]
        public static IServiceCollection AddApplicationInsightsTelemetryWorkerService(
            this IServiceCollection services,
            string instrumentationKey)
        {
            services.AddApplicationInsightsTelemetryWorkerService(options => options.InstrumentationKey = instrumentationKey);
            return services;
        }

        /// <summary>
        /// Adds Application Insights services into service collection.
        /// </summary>
        /// <param name="services">The <see cref="IServiceCollection"/> instance.</param>
        /// <param name="configuration">Configuration to use for sending telemetry.</param>
        /// <returns>The <see cref="IServiceCollection"/>.</returns>
        public static IServiceCollection AddApplicationInsightsTelemetryWorkerService(
            this IServiceCollection services,
            IConfiguration configuration)
        {
            services.AddApplicationInsightsTelemetryWorkerService(options => AddTelemetryConfiguration(configuration, options));
            return services;
        }

        /// <summary>
        /// Adds Application Insights services into service collection.
        /// </summary>
        /// <param name="services">The <see cref="IServiceCollection"/> instance.</param>
        /// <param name="options">The action used to configure the options.</param>
        /// <returns>
        /// The <see cref="IServiceCollection"/>.
        /// </returns>
        public static IServiceCollection AddApplicationInsightsTelemetryWorkerService(
            this IServiceCollection services,
            Action<ApplicationInsightsServiceOptions> options)
        {
            services.AddApplicationInsightsTelemetryWorkerService();
            services.Configure(options);
            return services;
        }

        /// <summary>
        /// Adds Application Insights services into service collection.
        /// </summary>
        /// <param name="services">The <see cref="IServiceCollection"/> instance.</param>
        /// <param name="options">The options instance used to configure with.</param>
        /// <returns>
        /// The <see cref="IServiceCollection"/>.
        /// </returns>
        public static IServiceCollection AddApplicationInsightsTelemetryWorkerService(
            this IServiceCollection services,
            ApplicationInsightsServiceOptions options)
        {
            services.AddApplicationInsightsTelemetryWorkerService();
            services.Configure((ApplicationInsightsServiceOptions o) => options.CopyPropertiesTo(o));
            return services;
        }

        /// <summary>
        /// Adds Application Insights services into service collection.
        /// </summary>
        /// <param name="services">The <see cref="IServiceCollection"/> instance.</param>
        /// <returns>
        /// The <see cref="IServiceCollection"/>.
        /// </returns>
        public static IServiceCollection AddApplicationInsightsTelemetryWorkerService(this IServiceCollection services)
        {
            try
            {
                if (!IsApplicationInsightsAdded(services))
                {
                    services.AddSingleton<ITelemetryInitializer, AzureWebAppRoleEnvironmentTelemetryInitializer>();
                    AddCommonInitializers(services);
                    AddCommonTelemetryModules(services);
                    AddTelemetryChannel(services);

                    services
                        .TryAddSingleton<IConfigureOptions<ApplicationInsightsServiceOptions>,
                            DefaultApplicationInsightsServiceConfigureOptions>();

                    AddDefaultApplicationIdProvider(services);
                    AddTelemetryConfigAndClient(services);
                    AddApplicationInsightsLoggerProvider(services);
                }

                return services;
            }
            catch (Exception e)
            {
                WorkerServiceEventSource.Instance.LogError(e.ToInvariantString());
                return services;
            }
        }
    }
}