Support IServiceProvider and add examples

.gitignore

@@ -399,4 +399,3 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
-/examples/Example.Elastic.OpenTelemetry/Properties/launchSettings.json

Elastic.OpenTelemetry.sln

@@ -28,6 +28,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Elastic.OpenTelemetry.Tests
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = ".github", ".github\.github.csproj", "{B701E33D-D777-4BD4-A4EC-1F63FE69AF7A}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Example.Elastic.OpenTelemetry.AspNetCore", "examples\Example.Elastic.OpenTelemetry.AspNetCore\Example.Elastic.OpenTelemetry.AspNetCore.csproj", "{EC81FA30-C765-4F04-8679-86F16DA3CC65}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Example.Elastic.OpenTelemetry.Worker", "examples\Example.Elastic.OpenTelemetry.Worker\Example.Elastic.OpenTelemetry.Worker.csproj", "{4377A059-16E0-4D5D-AC03-44C09BCE5BC4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -58,6 +62,14 @@ Global
 		{B701E33D-D777-4BD4-A4EC-1F63FE69AF7A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B701E33D-D777-4BD4-A4EC-1F63FE69AF7A}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B701E33D-D777-4BD4-A4EC-1F63FE69AF7A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EC81FA30-C765-4F04-8679-86F16DA3CC65}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EC81FA30-C765-4F04-8679-86F16DA3CC65}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EC81FA30-C765-4F04-8679-86F16DA3CC65}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EC81FA30-C765-4F04-8679-86F16DA3CC65}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4377A059-16E0-4D5D-AC03-44C09BCE5BC4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4377A059-16E0-4D5D-AC03-44C09BCE5BC4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4377A059-16E0-4D5D-AC03-44C09BCE5BC4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4377A059-16E0-4D5D-AC03-44C09BCE5BC4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -66,6 +78,8 @@ Global
 		{79C08F0E-7220-486C-AC0C-E3B287EB0B18} = {E622CFF2-C6C4-40FB-BE42-7C4F2B38B75A}
 		{32DF4F56-1773-49E9-A8AE-0573F0AA57DE} = {4E95C87B-655B-4BC3-8F2A-DF06B7AAB7E9}
 		{22BF9223-3A6D-4197-8527-3E4E43A98A81} = {AAD39891-0B70-47FA-A212-43E1AAE5DF56}
+		{EC81FA30-C765-4F04-8679-86F16DA3CC65} = {4E95C87B-655B-4BC3-8F2A-DF06B7AAB7E9}
+		{4377A059-16E0-4D5D-AC03-44C09BCE5BC4} = {4E95C87B-655B-4BC3-8F2A-DF06B7AAB7E9}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {573B2B5F-8CBB-4D52-A55A-4E65E282AAFB}

examples/Example.Elastic.OpenTelemetry.AspNetCore/Controllers/HomeController.cs

@@ -0,0 +1,38 @@
+using System.Diagnostics;
+using Example.Elastic.OpenTelemetry.AspNetCore.Models;
+using Microsoft.AspNetCore.Http.Features;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Example.Elastic.OpenTelemetry.AspNetCore.Controllers;
+
+public class HomeController(IHttpClientFactory httpClientFactory) : Controller
+{
+	public const string ActivitySourceName = "CustomActivitySource";
+	private static readonly ActivitySource ActivitySource = new(ActivitySourceName, "1.0.0");
+
+	public async Task<IActionResult> Index()
+	{
+		using var client = httpClientFactory.CreateClient();
+
+		var activityFeature = HttpContext.Features.Get<IHttpActivityFeature>();
+
+		using var activity = ActivitySource.StartActivity("DoingStuff", ActivityKind.Internal);
+		activity?.SetTag("CustomTag", "TagValue");
+
+		await Task.Delay(100);
+		var response = await client.GetAsync("http://elastic.co");
+		await Task.Delay(50);
+
+		if (response.StatusCode == System.Net.HttpStatusCode.OK)
+			activity?.SetStatus(ActivityStatusCode.Ok);
+		else
+			activity?.SetStatus(ActivityStatusCode.Error);
+
+		return View();
+	}
+
+	public IActionResult Privacy() => View();
+
+	[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+	public IActionResult Error() => View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/Example.Elastic.OpenTelemetry.AspNetCore.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.7.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Elastic.OpenTelemetry\Elastic.OpenTelemetry.csproj" />
+  </ItemGroup>
+
+</Project>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Models/ErrorViewModel.cs

@@ -0,0 +1,9 @@
+namespace Example.Elastic.OpenTelemetry.AspNetCore.Models
+{
+	public class ErrorViewModel
+	{
+		public string? RequestId { get; set; }
+
+		public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+	}
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/Program.cs

@@ -0,0 +1,34 @@
+using Example.Elastic.OpenTelemetry.AspNetCore.Controllers;
+using OpenTelemetry.Trace;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddHttpClient();
+builder.Services.AddOtelElasticAgent(t => t
+	.AddSource(HomeController.ActivitySourceName)
+	.AddAspNetCoreInstrumentation());
+builder.Services.AddControllersWithViews();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+	app.UseExceptionHandler("/Home/Error");
+	// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+	app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.UseAuthorization();
+
+app.MapControllerRoute(
+	name: "default",
+	pattern: "{controller=Home}/{action=Index}/{id?}");
+
+app.Run();

examples/Example.Elastic.OpenTelemetry.AspNetCore/Properties/launchSettings.json

@@ -0,0 +1,39 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:45954",
+      "sslPort": 44302
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5245",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7295;http://localhost:5245",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "OTEL_RESOURCE_ATTRIBUTES": "service.name=AspNetCoreApp,service.version=1.0.0,deployment.environment=development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Home/Index.cshtml

@@ -0,0 +1,8 @@
+@{
+    ViewData["Title"] = "Home Page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <p>Learn about <a href="https://learn.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+</div>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Home/Privacy.cshtml

@@ -0,0 +1,6 @@
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Shared/Error.cshtml

@@ -0,0 +1,25 @@
+@model ErrorViewModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Shared/_Layout.cshtml

@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>@ViewData["Title"] - Example.Elastic.OpenTelemetry.AspNetCore</title>
+    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
+    <link rel="stylesheet" href="~/Example.Elastic.OpenTelemetry.AspNetCore.styles.css" asp-append-version="true" />
+</head>
+<body>
+    <header>
+        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+            <div class="container-fluid">
+                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">Example.Elastic.OpenTelemetry.AspNetCore</a>
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                        aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
+                    <ul class="navbar-nav flex-grow-1">
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+                        </li>
+                    </ul>
+                </div>
+            </div>
+        </nav>
+    </header>
+    <div class="container">
+        <main role="main" class="pb-3">
+            @RenderBody()
+        </main>
+    </div>
+
+    <footer class="border-top footer text-muted">
+        <div class="container">
+            &copy; 2024 - Example.Elastic.OpenTelemetry.AspNetCore - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+        </div>
+    </footer>
+    <script src="~/lib/jquery/dist/jquery.min.js"></script>
+    <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="~/js/site.js" asp-append-version="true"></script>
+    @await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Shared/_Layout.cshtml.css

@@ -0,0 +1,48 @@
+/* Please see documentation at https://learn.microsoft.com/aspnet/core/client-side/bundling-and-minification
+for details on configuring this project to bundle and minify static web assets. */
+
+a.navbar-brand {
+  white-space: normal;
+  text-align: center;
+  word-break: break-all;
+}
+
+a {
+  color: #0077cc;
+}
+
+.btn-primary {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.border-top {
+  border-top: 1px solid #e5e5e5;
+}
+.border-bottom {
+  border-bottom: 1px solid #e5e5e5;
+}
+
+.box-shadow {
+  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
+}
+
+button.accept-policy {
+  font-size: 1rem;
+  line-height: inherit;
+}
+
+.footer {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  white-space: nowrap;
+  line-height: 60px;
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,2 @@
+<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
+<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/_ViewImports.cshtml

@@ -0,0 +1,3 @@
+@using Example.Elastic.OpenTelemetry.AspNetCore
+@using Example.Elastic.OpenTelemetry.AspNetCore.Models
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

examples/Example.Elastic.OpenTelemetry.AspNetCore/Views/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "_Layout";
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/appsettings.json

@@ -0,0 +1,16 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning",
+      "OpenTelemetry": "Trace"
+    },
+    "OpenTelemetry": {
+      "IncludeFormattedMessage": true,
+      "IncludeScopes": true,
+      "ParseStateValues": true
+    }
+  },
+  "AllowedHosts": "*",
+  "ServiceName": "elastic-otel-test-aspnetcore"
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/wwwroot/css/site.css

@@ -0,0 +1,22 @@
+html {
+  font-size: 14px;
+}
+
+@media (min-width: 768px) {
+  html {
+    font-size: 16px;
+  }
+}
+
+.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
+  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
+}
+
+html {
+  position: relative;
+  min-height: 100%;
+}
+
+body {
+  margin-bottom: 60px;
+}

examples/Example.Elastic.OpenTelemetry.AspNetCore/wwwroot/js/site.js

@@ -0,0 +1,4 @@
+// Please see documentation at https://learn.microsoft.com/aspnet/core/client-side/bundling-and-minification
+// for details on configuring this project to bundle and minify static web assets.
+
+// Write your JavaScript code.