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Switch to using Microsoft.Diagnostics.NETCore.Client for dotnet dumps

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Much simpler
This commit is contained in:
Jordan Dominion
2024-02-02 09:46:34 -05:00
parent 198c3c1eaf
commit a31d0241e1
12 changed files with 56 additions and 265 deletions
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build/Version.props
+3 -3
View File
@@ -5,10 +5,10 @@
<PropertyGroup>
<TgsCoreVersion>6.1.5</TgsCoreVersion>
<TgsConfigVersion>5.1.0</TgsConfigVersion>
<TgsApiVersion>10.1.0</TgsApiVersion>
<TgsApiVersion>10.0.0</TgsApiVersion>
<TgsCommonLibraryVersion>7.0.0</TgsCommonLibraryVersion>
<TgsApiLibraryVersion>14.0.0</TgsApiLibraryVersion>
<TgsClientVersion>16.0.0</TgsClientVersion>
<TgsApiLibraryVersion>13.0.1</TgsApiLibraryVersion>
<TgsClientVersion>15.0.1</TgsClientVersion>
<TgsDmapiVersion>7.0.2</TgsDmapiVersion>
<TgsInteropVersion>5.8.0</TgsInteropVersion>
<TgsHostWatchdogVersion>1.4.1</TgsHostWatchdogVersion>
src/Tgstation.Server.Api/Models/ErrorCode.cs
+6 -12
View File
@@ -528,10 +528,10 @@ namespace Tgstation.Server.Api.Models
MissingGCore,
/// <summary>
/// Non-zero gcore/dotnet-dump exit code.
/// Non-zero gcore exit code.
/// </summary>
[Description("Could not create dump as the dumping process exited with a non-zero exit code!")]
DumpProcessFailure,
[Description("Could not create dump as gcore exited with a non-zero exit code!")]
GCoreFailure,
/// <summary>
/// Attempted to test merge with an invalid remote repository.
@@ -636,21 +636,15 @@ namespace Tgstation.Server.Api.Models
BroadcastFailure,
/// <summary>
/// Unable to locate the dotnet executable for a necessary operation.
/// Could not compile OpenDream due to a missing dotnet executable.
/// </summary>
[Description("Unable to locate the dotnet executable!")]
CantFindDotnet,
[Description("OpenDream could not be compiled due to being unable to locate the dotnet executable!")]
OpenDreamCantFindDotnet,
/// <summary>
/// Could not install OpenDream due to it not meeting the minimum version requirements.
/// </summary>
[Description("The specified OpenDream version is too old!")]
OpenDreamTooOld,
/// <summary>
/// Could not locally install the dotnet-dump tool.
/// </summary>
[Description("Could not locally install the dotnet-dump tool!")]
CantInstallDotnetDump,
}
}
src/Tgstation.Server.Host/Components/Engine/EngineManager.cs
+1 -34
View File
@@ -14,7 +14,6 @@ using Tgstation.Server.Common.Extensions;
using Tgstation.Server.Host.Components.Events;
using Tgstation.Server.Host.IO;
using Tgstation.Server.Host.Jobs;
using Tgstation.Server.Host.System;
using Tgstation.Server.Host.Utils;
namespace Tgstation.Server.Host.Components.Engine
@@ -60,11 +59,6 @@ namespace Tgstation.Server.Host.Components.Engine
/// </summary>
readonly IEventConsumer eventConsumer;
/// <summary>
/// The <see cref="IDotnetDumpService"/> for the <see cref="EngineManager"/>.
/// </summary>
readonly IDotnetDumpService dotnetDumpService;
/// <summary>
/// The <see cref="ILogger"/> for the <see cref="EngineManager"/>.
/// </summary>
@@ -106,14 +100,12 @@ namespace Tgstation.Server.Host.Components.Engine
/// <param name="ioManager">The value of <see cref="ioManager"/>.</param>
/// <param name="engineInstaller">The value of <see cref="engineInstaller"/>.</param>
/// <param name="eventConsumer">The value of <see cref="eventConsumer"/>.</param>
/// <param name="dotnetDumpService">The value of <see cref="dotnetDumpService"/>.</param>
/// <param name="logger">The value of <see cref="logger"/>.</param>
public EngineManager(IIOManager ioManager, IEngineInstaller engineInstaller, IEventConsumer eventConsumer, IDotnetDumpService dotnetDumpService, ILogger<EngineManager> logger)
public EngineManager(IIOManager ioManager, IEngineInstaller engineInstaller, IEventConsumer eventConsumer, ILogger<EngineManager> logger)
{
this.ioManager = ioManager ?? throw new ArgumentNullException(nameof(ioManager));
this.engineInstaller = engineInstaller ?? throw new ArgumentNullException(nameof(engineInstaller));
this.eventConsumer = eventConsumer ?? throw new ArgumentNullException(nameof(eventConsumer));
this.dotnetDumpService = dotnetDumpService ?? throw new ArgumentNullException(nameof(dotnetDumpService));
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
installedVersions = new Dictionary<EngineVersion, ReferenceCountingContainer<IEngineInstallation, EngineExecutableLock>>();
@@ -388,23 +380,6 @@ namespace Tgstation.Server.Host.Components.Engine
await ioManager.DeleteFile(ActiveVersionFileName, cancellationToken);
}
}
bool needsDotnetDump;
lock (installedVersions)
needsDotnetDump = installedVersions.Values.Any(container => container.Instance.UseDotnetDump);
if (needsDotnetDump)
{
logger.LogDebug("One or more engine installations uses dotnet-dump. Ensuring installation...");
try
{
await dotnetDumpService.EnsureInstalled(true, cancellationToken);
}
catch (Exception ex)
{
logger.LogWarning(ex, "Failed to install dotnet-dump! Engine versions that use it will instead use standard process dumps!");
}
}
}
/// <inheritdoc />
@@ -499,14 +474,6 @@ namespace Tgstation.Server.Host.Components.Engine
var versionString = version.ToString();
await eventConsumer.HandleEvent(EventType.EngineInstallStart, new List<string> { versionString }, deploymentPipelineProcesses, cancellationToken);
if (installLock.UseDotnetDump)
{
if (progressReporter != null)
progressReporter.StageName = "Installing dotnet-dump";
await dotnetDumpService.EnsureInstalled(deploymentPipelineProcesses, cancellationToken);
}
await InstallVersionFiles(progressReporter, version, customVersionStream, deploymentPipelineProcesses, cancellationToken);
ourTcs.SetResult();
src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs
+3
View File
@@ -232,6 +232,9 @@ namespace Tgstation.Server.Host.Components.Engine
}
var dotnetPath = await DotnetHelper.GetDotnetPath(platformIdentifier, IOManager, cancellationToken);
if (dotnetPath == null)
throw new JobException(ErrorCode.OpenDreamCantFindDotnet);
const string DeployDir = "tgs_deploy";
int? buildExitCode = null;
await HandleExtremelyLongPathOperation(
src/Tgstation.Server.Host/Components/InstanceFactory.cs
-1
View File
@@ -283,7 +283,6 @@ namespace Tgstation.Server.Host.Components
byondIOManager,
engineInstaller,
eventConsumer,
dotnetDumpService,
loggerFactory.CreateLogger<EngineManager>());
var dmbFactory = new DmbFactory(
src/Tgstation.Server.Host/Components/Session/SessionController.cs
+4 -5
View File
@@ -487,13 +487,12 @@ namespace Tgstation.Server.Host.Components.Session
cancellationToken);
/// <inheritdoc />
public async ValueTask CreateDump(string outputFile, CancellationToken cancellationToken)
public ValueTask CreateDump(string outputFile, CancellationToken cancellationToken)
{
if (engineLock.UseDotnetDump
&& await dotnetDumpService.Dump(process, outputFile, cancellationToken))
return;
if (engineLock.UseDotnetDump)
return dotnetDumpService.Dump(process, outputFile, cancellationToken);
await process.CreateDump(outputFile, cancellationToken);
return process.CreateDump(outputFile, cancellationToken);
}
/// <summary>
src/Tgstation.Server.Host/System/DotnetDumpService.cs
+16 -193
View File
@@ -2,224 +2,47 @@
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Diagnostics.NETCore.Client;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Tgstation.Server.Api.Models;
using Tgstation.Server.Host.Configuration;
using Tgstation.Server.Host.Extensions;
using Tgstation.Server.Host.IO;
using Tgstation.Server.Host.Jobs;
using Tgstation.Server.Host.Utils;
namespace Tgstation.Server.Host.System
{
/// <inheritdoc />
sealed class DotnetDumpService : IDotnetDumpService, IDisposable
sealed class DotnetDumpService : IDotnetDumpService
{
/// <summary>
/// The <see cref="IProcessExecutor"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly IProcessExecutor processExecutor;
/// <summary>
/// The <see cref="IIOManager"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly IIOManager ioManager;
/// <summary>
/// The <see cref="IAssemblyInformationProvider"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly IAssemblyInformationProvider assemblyInformationProvider;
/// <summary>
/// The <see cref="IPlatformIdentifier"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly IPlatformIdentifier platformIdentifier;
/// <summary>
/// The <see cref="ILogger"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly ILogger<DotnetDumpService> logger;
/// <summary>
/// The <see cref="SessionConfiguration"/> for the <see cref="DotnetDumpService"/>.
/// </summary>
readonly SessionConfiguration sessionConfiguration;
/// <summary>
/// <see cref="SemaphoreSlim"/> used for checking for the presence of and installing dotnet-dump.
/// </summary>
readonly SemaphoreSlim installCheckSemaphore;
/// <summary>
/// The result of the last installation check. <see langword="true"/> means installed. <see langword="false"/> means not installed. <see langword="null"/> means the check was never run.
/// </summary>
bool? lastInstallCheckResult;
/// <summary>
/// Initializes a new instance of the <see cref="DotnetDumpService"/> class.
/// </summary>
/// <param name="processExecutor">The value of <see cref="processExecutor"/>.</param>
/// <param name="ioManager">The value of <see cref="ioManager"/>.</param>
/// <param name="assemblyInformationProvider">The value of <see cref="assemblyInformationProvider"/>.</param>
/// <param name="platformIdentifier">The value of <see cref="platformIdentifier"/>.</param>
/// <param name="logger">The value of <see cref="logger"/>.</param>
/// <param name="sessionConfigurationOptions">The <see cref="IOptions{TOptions}"/> containing the value of <see cref="sessionConfiguration"/>.</param>
public DotnetDumpService(
IProcessExecutor processExecutor,
IIOManager ioManager,
IAssemblyInformationProvider assemblyInformationProvider,
IPlatformIdentifier platformIdentifier,
ILogger<DotnetDumpService> logger,
IOptions<SessionConfiguration> sessionConfigurationOptions)
ILogger<DotnetDumpService> logger)
{
this.processExecutor = processExecutor ?? throw new ArgumentNullException(nameof(processExecutor));
this.ioManager = ioManager ?? throw new ArgumentNullException(nameof(ioManager));
this.assemblyInformationProvider = assemblyInformationProvider ?? throw new ArgumentNullException(nameof(assemblyInformationProvider));
this.platformIdentifier = platformIdentifier ?? throw new ArgumentNullException(nameof(platformIdentifier));
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
sessionConfiguration = sessionConfigurationOptions?.Value ?? throw new ArgumentNullException(nameof(sessionConfigurationOptions));
installCheckSemaphore = new SemaphoreSlim(1);
}
/// <inheritdoc />
public void Dispose() => installCheckSemaphore.Dispose();
/// <inheritdoc />
public async ValueTask EnsureInstalled(bool deploymentPipeline, CancellationToken cancellationToken)
public async ValueTask Dump(IProcess process, string outputFile, CancellationToken cancellationToken)
{
logger.LogTrace("EnsureInstalled");
// need to use an extra timeout here because if the process is truly deadlocked. A cooperative dump will hang forever
using var cts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
if (lastInstallCheckResult == true)
return;
using (await SemaphoreSlimContext.Lock(installCheckSemaphore, cancellationToken))
const int TimeoutMinutes = 5;
cts.CancelAfter(TimeSpan.FromMinutes(TimeoutMinutes));
cts.Token.Register(() =>
{
var installDir = await CheckInstalled(cancellationToken);
if (lastInstallCheckResult == true)
return;
if (!cancellationToken.IsCancellationRequested)
logger.LogError("dotnet-dump timed out after {minutes} minutes!", TimeoutMinutes);
});
await Install(installDir ?? GetDirectoryPath(), deploymentPipeline, cancellationToken);
}
var pid = process.Id;
logger.LogDebug("dotnet-dump requested for PID {pid}...", pid);
var client = new DiagnosticsClient(pid);
await client.WriteDumpAsync(DumpType.Full, outputFile, false, cts.Token);
}
/// <inheritdoc />
public async ValueTask<bool> Dump(IProcess process, string outputFile, CancellationToken cancellationToken)
{
logger.LogTrace("dotnet-dump requested...");
string? installDir = null;
if (!lastInstallCheckResult.HasValue)
using (await SemaphoreSlimContext.Lock(installCheckSemaphore, cancellationToken))
installDir = await CheckInstalled(cancellationToken);
if (lastInstallCheckResult != true)
return false;
installDir ??= GetDirectoryPath();
var exeExtension = platformIdentifier.IsWindows
? ".exe"
: String.Empty;
var resolvedInstallDir = ioManager.ResolvePath(installDir);
var executablePath = ioManager.ConcatPath(
resolvedInstallDir,
$"dotnet-dump{exeExtension}");
await using var dumpProcess = processExecutor.LaunchProcess(
executablePath,
resolvedInstallDir,
$"collect -p {process.Id} -o \"{outputFile}\"",
readStandardHandles: true,
noShellExecute: true);
int? exitCode;
using (cancellationToken.Register(() => dumpProcess.Terminate()))
exitCode = await dumpProcess.Lifetime;
var output = await dumpProcess.GetCombinedOutput(cancellationToken);
if (exitCode != 0)
throw new JobException(
ErrorCode.DumpProcessFailure,
new JobException(
$"Exit Code: {exitCode}{Environment.NewLine}Output:{Environment.NewLine}{output}"));
logger.LogDebug("dotnet-dump output:{newline}{output}", Environment.NewLine, output);
return true;
}
/// <summary>
/// Sets <see cref="lastInstallCheckResult"/> if it is <see langword="null"/>.
/// </summary>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns><see langword="null"/> if <see cref="lastInstallCheckResult"/> was not <see langword="null"/>. The result of <see cref="GetDirectoryPath"/> otherwise.</returns>
async ValueTask<string?> CheckInstalled(CancellationToken cancellationToken)
{
if (lastInstallCheckResult.HasValue)
return null;
logger.LogTrace("Checking if dotnet-dump is installed...");
var directory = GetDirectoryPath();
lastInstallCheckResult = await ioManager.DirectoryExists(directory, cancellationToken);
logger.LogTrace("dotnet-dump installed: {result}", lastInstallCheckResult.Value);
return directory;
}
/// <summary>
/// Locally install the dotnet-dump tool.
/// </summary>
/// <param name="installDir">The directory to install dotnet dump in.</param>
/// <param name="deploymentPipeline">If this operation is part of the deployment pipeline.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns>A <see cref="ValueTask"/> representing the running operation.</returns>
async ValueTask Install(string installDir, bool deploymentPipeline, CancellationToken cancellationToken)
{
var dotnetPath = await DotnetHelper.GetDotnetPath(platformIdentifier, ioManager, cancellationToken);
logger.LogTrace("Ensuring installation directory is gone...");
await ioManager.DeleteDirectory(installDir, cancellationToken);
var resolvedInstallDir = ioManager.ResolvePath(installDir);
logger.LogTrace("Installing dotnet-dump...");
await using var installProcess = processExecutor.LaunchProcess(
dotnetPath,
ioManager.ResolvePath(),
$"tool install --tool-path \"{resolvedInstallDir}\" dotnet-dump",
readStandardHandles: true,
noShellExecute: true);
if (deploymentPipeline && sessionConfiguration.LowPriorityDeploymentProcesses)
installProcess.AdjustPriority(false);
int? exitCode;
using (cancellationToken.Register(() => installProcess.Terminate()))
exitCode = await installProcess.Lifetime;
var output = await installProcess.GetCombinedOutput(cancellationToken);
if (exitCode != 0)
throw new JobException(
ErrorCode.CantInstallDotnetDump,
new JobException(
$"Exit Code: {exitCode}{Environment.NewLine}Output:{Environment.NewLine}{output}"));
logger.LogDebug("dotnet tool install output:{newline}{output}", Environment.NewLine, output);
}
/// <summary>
/// Get the path to the dotnet-dump installation directory TGS uses.
/// </summary>
/// <returns>The path to the dotnet-dump installation directory.</returns>
string GetDirectoryPath() => ioManager.ConcatPath(
ioManager.GetPathInLocalDirectory(assemblyInformationProvider),
"dotnet-dump");
}
}
src/Tgstation.Server.Host/System/DotnetHelper.cs
+3 -5
View File
@@ -3,9 +3,7 @@ using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Tgstation.Server.Api.Models;
using Tgstation.Server.Host.IO;
using Tgstation.Server.Host.Jobs;
namespace Tgstation.Server.Host.System
{
@@ -20,8 +18,8 @@ namespace Tgstation.Server.Host.System
/// <param name="platformIdentifier">The <see cref="IPlatformIdentifier"/> to use.</param>
/// <param name="ioManager">The <see cref="IIOManager"/> to use.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns>A dotnet executable path to use.</returns>
public static async ValueTask<string> GetDotnetPath(IPlatformIdentifier platformIdentifier, IIOManager ioManager, CancellationToken cancellationToken)
/// <returns>A <see cref="ValueTask{TResult}"/> resulting in a dotnet executable path to use on success, <see langword="null"/> otherwise.</returns>
public static async ValueTask<string?> GetDotnetPath(IPlatformIdentifier platformIdentifier, IIOManager ioManager, CancellationToken cancellationToken)
{
ArgumentNullException.ThrowIfNull(platformIdentifier);
ArgumentNullException.ThrowIfNull(ioManager);
@@ -37,7 +35,7 @@ namespace Tgstation.Server.Host.System
var selectedPathIndex = tasks.FindIndex(pathValidTask => pathValidTask.Result);
if (selectedPathIndex == -1)
throw new JobException(ErrorCode.CantFindDotnet);
return null;
var dotnetPath = dotnetPaths[selectedPathIndex];
src/Tgstation.Server.Host/System/IDotnetDumpService.cs
+2 -10
View File
@@ -8,21 +8,13 @@ namespace Tgstation.Server.Host.System
/// </summary>
public interface IDotnetDumpService
{
/// <summary>
/// Attempt to install dotnet-dump if it is not installed.
/// </summary>
/// <param name="deploymentPipeline">If this operation is part of the deployment pipeline.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns>A <see cref="ValueTask"/> representing the running operation.</returns>
ValueTask EnsureInstalled(bool deploymentPipeline, CancellationToken cancellationToken);
/// <summary>
/// Attempt to dump a given <paramref name="process"/>.
/// </summary>
/// <param name="process">The <see cref="IProcess"/> to dump.</param>
/// <param name="outputFile">The path to the output dump file.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns><see langword="true"/> if the dump proceeded, <see langword="false"/> if dotnet-dump was not installed.</returns>
ValueTask<bool> Dump(IProcess process, string outputFile, CancellationToken cancellationToken);
/// <returns>A <see cref="ValueTask"/> representing the running operation.</returns>
ValueTask Dump(IProcess process, string outputFile, CancellationToken cancellationToken);
}
}
src/Tgstation.Server.Host/System/PosixProcessFeatures.cs
+1 -1
View File
@@ -104,7 +104,7 @@ namespace Tgstation.Server.Host.System
if (exitCode != 0)
throw new JobException(
ErrorCode.DumpProcessFailure,
ErrorCode.GCoreFailure,
new JobException(
$"Exit Code: {exitCode}{Environment.NewLine}Output:{Environment.NewLine}{output}"));
src/Tgstation.Server.Host/Tgstation.Server.Host.csproj
+2
View File
@@ -83,6 +83,8 @@
<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.1" />
<!-- Usage: Using target JSON serializer for API -->
<PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="8.0.1" />
<!-- Usage: Generating dumps of dotnet engine processes -->
<PackageReference Include="Microsoft.Diagnostics.NETCore.Client" Version="0.2.505301" />
<!-- Usage: Database ORM -->
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.1" />
<!-- Usage: Automatic migration generation using command line -->
tests/Tgstation.Server.Tests/Live/Instance/WatchdogTest.cs
+15 -1
View File
@@ -575,7 +575,7 @@ namespace Tgstation.Server.Tests.Live.Instance
await WaitForJob(restartJob, 20, false, null, cancellationToken);
}
Assert.IsTrue(job.ErrorCode == ErrorCode.GameServerOffline || job.ErrorCode == ErrorCode.DumpProcessFailure, $"{job.ErrorCode}: {job.ExceptionDetails}");
Assert.IsTrue(job.ErrorCode == ErrorCode.GameServerOffline || job.ErrorCode == ErrorCode.GCoreFailure, $"{job.ErrorCode}: {job.ExceptionDetails}");
var restartJob2 = await instanceClient.DreamDaemon.Restart(cancellationToken);
await WaitForJob(restartJob2, 20, false, null, cancellationToken);
@@ -813,7 +813,21 @@ namespace Tgstation.Server.Tests.Live.Instance
ourProcessHandler.SuspendProcess();
global::System.Console.WriteLine($"WATCHDOG TEST {instanceClient.Metadata.Id}: FINISH PROCESS SUSPEND FOR HEALTH CHECK DEATH. WAITING FOR LIFETIME {ourProcessHandler.Id}.");
if (testVersion.Engine == EngineType.OpenDream && checkDump)
{
// because dotnet diagnostics relies on the engine process to write its own dump, we actually have to unpause it after the watchdog has decided to kill it
// incredibly cursed, because we don't have the means to accurately tell when that will happen. ESP in CI
return; // CBA rn
/*
await Task.Delay(TimeSpan.FromSeconds(30), cancellationToken);
ourProcessHandler.ResumeProcess();
global::System.Console.WriteLine($"WATCHDOG TEST {instanceClient.Metadata.Id}: PROCESS RESUMING FOR DOTNET DUMP. WAITING FOR LIFETIME {ourProcessHandler.Id}.");*/
}
await Task.WhenAny(ourProcessHandler.Lifetime, Task.Delay(TimeSpan.FromMinutes(4), cancellationToken));
if (testVersion.Engine == EngineType.OpenDream && checkDump && !ourProcessHandler.Lifetime.IsCompleted)
return;
Assert.IsTrue(ourProcessHandler.Lifetime.IsCompleted);
var timeout = 20;