public void AddHeapDumpActuator_AddsCorrectServices()
{
if (EndpointServiceCollectionExtensions.IsHeapDumpSupported())
{
var services = new ServiceCollection();
var appSettings = new Dictionary <string, string>()
{
["management:endpoints:enabled"] = "false",
["management:endpoints:path"] = "/cloudfoundryapplication",
["management:endpoints:heapdump:enabled"] = "false",
["management:endpoints:heapdump:HeapDumpType"] = "Normal"
};
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.AddInMemoryCollection(appSettings);
var config = configurationBuilder.Build();
services.AddHeapDumpActuator(config);
var serviceProvider = services.BuildServiceProvider();
var options = serviceProvider.GetService <IHeapDumpOptions>();
Assert.NotNull(options);
Assert.Equal("Normal", options.HeapDumpType);
var repo = serviceProvider.GetService <IHeapDumper>();
Assert.NotNull(repo);
var ep = serviceProvider.GetService <HeapDumpEndpoint>();
Assert.NotNull(ep);
}
}
public async Task HandleHeapDumpRequestAsync_ReturnsExpected()
{
if (EndpointServiceCollectionExtensions.IsHeapDumpSupported())
{
var opts = new HeapDumpEndpointOptions();
var mopts = new ActuatorManagementOptions();
mopts.EndpointOptions.Add(opts);
IServiceCollection serviceCollection = new ServiceCollection();
serviceCollection.AddLogging(builder => builder.SetMinimumLevel(LogLevel.Trace));
var loggerFactory = serviceCollection.BuildServiceProvider().GetService <ILoggerFactory>();
var logger1 = loggerFactory.CreateLogger <WindowsHeapDumper>();
var logger2 = loggerFactory.CreateLogger <HeapDumpEndpoint>();
var logger3 = loggerFactory.CreateLogger <HeapDumpEndpointMiddleware>();
var logger4 = loggerFactory.CreateLogger <HeapDumper>();
// WindowsHeapDumper should be used with .NET Core 3.1 on Windows. HeapDumper should be used with Linux and .NET 5 on Windows
var obs = (Platform.IsWindows && RuntimeInformation.FrameworkDescription.StartsWith(".NET Core", StringComparison.InvariantCultureIgnoreCase))
? new WindowsHeapDumper(opts, logger: logger1)
: !Platform.IsOSX
? (IHeapDumper) new HeapDumper(opts, logger: logger4)
: throw new InvalidOperationException("Unsupported Platfornm");
var ep = new HeapDumpEndpoint(opts, obs, logger2);
var middle = new HeapDumpEndpointMiddleware(null, ep, mopts, logger3);
var context = CreateRequest("GET", "/heapdump");
await middle.HandleHeapDumpRequestAsync(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var buffer = new byte[1024];
await context.Response.Body.ReadAsync(buffer, 0, 1024);
Assert.NotEqual(0, buffer[0]);
}
else
{
return;
}
}
public async void HeapDumpActuator_ReturnsExpectedData()
{
if (EndpointServiceCollectionExtensions.IsHeapDumpSupported())
{
var builder = new WebHostBuilder()
.UseStartup <Startup>()
.ConfigureAppConfiguration((builderContext, config) => config.AddInMemoryCollection(AppSettings))
.ConfigureLogging((webhostContext, loggingBuilder) =>
{
loggingBuilder.AddConfiguration(webhostContext.Configuration);
loggingBuilder.AddDynamicConsole();
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var result = await client.GetAsync("http://localhost/cloudfoundryapplication/heapdump");
Assert.Equal(HttpStatusCode.OK, result.StatusCode);
Assert.True(result.Content.Headers.Contains("Content-Type"));
var contentType = result.Content.Headers.GetValues("Content-Type");
Assert.Equal("application/octet-stream", contentType.Single());
Assert.True(result.Content.Headers.Contains("Content-Disposition"));
var tempFile = Path.GetTempFileName();
var fs = new FileStream(tempFile, FileMode.Create);
var input = await result.Content.ReadAsStreamAsync();
await input.CopyToAsync(fs);
fs.Close();
var fs2 = File.Open(tempFile, FileMode.Open);
Assert.NotEqual(0, fs2.Length);
fs2.Close();
File.Delete(tempFile);
}
}
}
public async void HandleHeapDumpRequestAsync_ReturnsExpected()
{
if (EndpointServiceCollectionExtensions.IsHeapDumpSupported())
{
var opts = new HeapDumpEndpointOptions();
var mopts = new ActuatorManagementOptions();
mopts.EndpointOptions.Add(opts);
IServiceCollection serviceCollection = new ServiceCollection();
serviceCollection.AddLogging(builder => builder.SetMinimumLevel(LogLevel.Trace));
var loggerFactory = serviceCollection.BuildServiceProvider().GetService <ILoggerFactory>();
var logger1 = loggerFactory.CreateLogger <WindowsHeapDumper>();
var logger2 = loggerFactory.CreateLogger <HeapDumpEndpoint>();
var logger3 = loggerFactory.CreateLogger <HeapDumpEndpointMiddleware>();
var logger4 = loggerFactory.CreateLogger <LinuxHeapDumper>();
var obs = Platform.IsWindows ? (IHeapDumper) new WindowsHeapDumper(opts, logger: logger1)
: Platform.IsLinux ? (IHeapDumper) new LinuxHeapDumper(opts, logger: logger4)
: throw new InvalidOperationException("Unsupported Platfornm");
var ep = new HeapDumpEndpoint(opts, obs, logger2);
var middle = new HeapDumpEndpointMiddleware(null, ep, mopts, logger3);
var context = CreateRequest("GET", "/heapdump");
await middle.HandleHeapDumpRequestAsync(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var buffer = new byte[1024];
await context.Response.Body.ReadAsync(buffer, 0, 1024);
Assert.NotEqual(0, buffer[0]);
}
else
{
return;
}
}