v6.3.2: Fix a deployment directory leak

build/TestCommon.props

@@ -3,7 +3,7 @@
 
   <ItemGroup>
     <!-- Usage: Code coverage collection -->
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -18,9 +18,9 @@
     <!-- Pinned: Be VERY careful about updating https://github.com/moq/moq/issues/1372 -->
     <PackageReference Include="Moq" Version="4.20.70" />
     <!-- Usage: MSTest execution -->
-    <PackageReference Include="MSTest.TestAdapter" Version="3.2.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.2.2" />
     <!-- Usage: MSTest asserts etc... -->
-    <PackageReference Include="MSTest.TestFramework" Version="3.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.2.2" />
   </ItemGroup>
 
 </Project>

build/Version.props

@@ -3,7 +3,7 @@
   <!-- Integration tests will ensure they match across the board -->
   <Import Project="WebpanelVersion.props" />
   <PropertyGroup>
-    <TgsCoreVersion>6.3.1</TgsCoreVersion>
+    <TgsCoreVersion>6.3.2</TgsCoreVersion>
     <TgsConfigVersion>5.1.0</TgsConfigVersion>
     <TgsApiVersion>10.2.0</TgsApiVersion>
     <TgsCommonLibraryVersion>7.0.0</TgsCommonLibraryVersion>

src/Tgstation.Server.Host/Components/Deployment/DmbFactory.cs

@@ -3,6 +3,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -178,7 +179,8 @@ public IDmbProvider LockNextDmb(int lockCount)
 			{
 				var jobId = nextDmbProvider.CompileJob.Require(x => x.Id);
 				var incremented = jobLockCounts[jobId] += lockCount;
-				logger.LogTrace("Compile job {jobId} lock count now: {lockCount}", jobId, incremented);
+				logger.LogTrace("Compile job {jobId} lock increased by: {increment}", jobId, lockCount);
+				LogLockCounts();
 				return nextDmbProvider;
 			}
 		}
@@ -325,14 +327,18 @@ void CleanupAction()
 					if (!jobLockCounts.TryGetValue(compileJobId, out int value))
 					{
 						value = 1;
+						logger.LogTrace("Initializing lock count for compile job {id}", compileJobId);
 						jobLockCounts.Add(compileJobId, 1);
 					}
 					else
+					{
+						logger.LogTrace("FromCompileJob already had a jobLockCounts entry for {id}. Incrementing lock count to {value}.", compileJobId, value);
 						jobLockCounts[compileJobId] = ++value;
+					}
 
 					providerSubmitted = true;
 
-					logger.LogTrace("Compile job {id} lock count now: {lockCount}", compileJobId, value);
+					LogLockCounts();
 					return newProvider;
 				}
 			}
@@ -385,7 +391,7 @@ public async ValueTask CleanUnusedCompileJobs(CancellationToken cancellationToke
 			await ioManager.CreateDirectory(gameDirectory, cancellationToken);
 			var directories = await ioManager.GetDirectories(gameDirectory, cancellationToken);
 			int deleting = 0;
-			var tasks = directories.Select(async x =>
+			var tasks = directories.Select<string, ValueTask>(async x =>
 			{
 				var nameOnly = ioManager.GetFileName(x);
 				if (jobUidsToNotErase.Contains(nameOnly))
@@ -396,17 +402,13 @@ public async ValueTask CleanUnusedCompileJobs(CancellationToken cancellationToke
 					++deleting;
 					await DeleteCompileJobContent(x, cancellationToken);
 				}
-				catch (OperationCanceledException)
-				{
-					throw;
-				}
-				catch (Exception e)
+				catch (Exception e) when (e is not OperationCanceledException)
 				{
 					logger.LogWarning(e, "Error deleting directory {dirName}!", x);
 				}
 			}).ToList();
 			if (deleting > 0)
-				await Task.WhenAll(tasks);
+				await ValueTaskExtensions.WhenAll(tasks);
 		}
 #pragma warning restore CA1506
 
@@ -435,14 +437,14 @@ async Task WrapThrowableTasks()
 						// First kill the GitHub deployment
 						var remoteDeploymentManager = remoteDeploymentManagerFactory.CreateRemoteDeploymentManager(metadata, job);
 
-						// DCT: None available
-						var deploymentJob = remoteDeploymentManager.MarkInactive(job, CancellationToken.None);
+						var cancellationToken = cleanupCts.Token;
+						var deploymentJob = remoteDeploymentManager.MarkInactive(job, cancellationToken);
 
-						var deleteTask = DeleteCompileJobContent(job.DirectoryName!.Value.ToString(), cleanupCts.Token);
+						var deleteTask = DeleteCompileJobContent(job.DirectoryName!.Value.ToString(), cancellationToken);
 
 						await ValueTaskExtensions.WhenAll(deleteTask, deploymentJob);
 					}
-					catch (Exception ex)
+					catch (Exception ex) when (ex is not OperationCanceledException)
 					{
 						logger.LogWarning(ex, "Error cleaning up compile job {jobGuid}!", job.DirectoryName);
 					}
@@ -468,6 +470,8 @@ async Task WrapThrowableTasks()
 					}
 				else
 					logger.LogError("Extra Dispose of DmbProvider for CompileJob {compileJobId}!", jobId);
+
+				LogLockCounts();
 			}
 		}
 
@@ -483,5 +487,30 @@ async ValueTask DeleteCompileJobContent(string directory, CancellationToken canc
 			await eventConsumer.HandleEvent(EventType.DeploymentCleanup, new List<string> { ioManager.ResolvePath(directory) }, true, cancellationToken);
 			await ioManager.DeleteDirectory(directory, cancellationToken);
 		}
+
+		/// <summary>
+		/// Log out the current lock counts to Trace.
+		/// </summary>
+		/// <remarks><see cref="jobLockCounts"/> must be locked before calling this function.</remarks>
+		void LogLockCounts()
+		{
+			if (jobLockCounts.Count == 0)
+			{
+				logger.LogWarning("No compile jobs registered!");
+				return;
+			}
+
+			var builder = new StringBuilder();
+			foreach (var jobId in jobLockCounts.Keys)
+			{
+				builder.AppendLine();
+				builder.Append("\t- ");
+				builder.Append(jobId);
+				builder.Append(": ");
+				builder.Append(jobLockCounts[jobId]);
+			}
+
+			logger.LogTrace("Compile Job Lock Counts:{details}", builder.ToString());
+		}
 	}
 }

src/Tgstation.Server.Host/Components/Deployment/SwappableDmbProvider.cs

@@ -87,7 +87,7 @@ public ValueTask MakeActive(CancellationToken cancellationToken)
 		}
 
 		/// <summary>
-		/// Should be <see langword="await"/>. before calling <see cref="MakeActive(CancellationToken)"/> to ensure the <see cref="SwappableDmbProvider"/> is ready to instantly swap. Can be called multiple times.
+		/// Should be <see langword="await"/>ed. before calling <see cref="MakeActive(CancellationToken)"/> to ensure the <see cref="SwappableDmbProvider"/> is ready to instantly swap. Can be called multiple times.
 		/// </summary>
 		/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
 		/// <returns>A <see cref="Task"/> representing the preparation process.</returns>

src/Tgstation.Server.Host/Components/Watchdog/AdvancedWatchdog.cs

@@ -127,8 +127,12 @@ protected sealed override async ValueTask DisposeAndNullControllersImpl()
 
 			// If we reach this point, we can guarantee PrepServerForLaunch will be called before starting again.
 			ActiveSwappable = null;
-			await (pendingSwappable?.DisposeAsync() ?? ValueTask.CompletedTask);
-			pendingSwappable = null;
+
+			if (pendingSwappable != null)
+			{
+				await pendingSwappable.DisposeAsync();
+				pendingSwappable = null;
+			}
 
 			await DrainDeploymentCleanupTasks(true);
 		}
@@ -138,8 +142,6 @@ protected sealed override async ValueTask<MonitorAction> HandleNormalReboot(Canc
 		{
 			if (pendingSwappable != null)
 			{
-				ValueTask RunPrequel() => BeforeApplyDmb(pendingSwappable.CompileJob, cancellationToken);
-
 				var needToSwap = !pendingSwappable.Swapped;
 				var controller = Server!;
 				if (needToSwap)
@@ -151,7 +153,6 @@ protected sealed override async ValueTask<MonitorAction> HandleNormalReboot(Canc
 						// integration test logging will catch this
 						Logger.LogError(
 							"The reboot bridge request completed before the watchdog could suspend the server! This can lead to buggy DreamDaemon behaviour and should be reported! To ensure stability, we will need to hard reboot the server");
-						await RunPrequel();
 						return MonitorAction.Restart;
 					}
 
@@ -165,7 +166,7 @@ protected sealed override async ValueTask<MonitorAction> HandleNormalReboot(Canc
 					}
 				}
 
-				var updateTask = RunPrequel();
+				var updateTask = BeforeApplyDmb(pendingSwappable.CompileJob, cancellationToken);
 				if (needToSwap)
 					await PerformDmbSwap(pendingSwappable, cancellationToken);
 
@@ -183,7 +184,8 @@ async Task CleanupLingeringDeployment()
 						currentCompileJobId,
 						lingeringDeploymentExpirySeconds);
 
-					var timeout = AsyncDelayer.Delay(TimeSpan.FromSeconds(lingeringDeploymentExpirySeconds), cancellationToken);
+					// DCT: A cancel firing here can result in us leaving a dmbprovider undisposed, localDeploymentCleanupGate will always fire in that case
+					var timeout = AsyncDelayer.Delay(TimeSpan.FromSeconds(lingeringDeploymentExpirySeconds), CancellationToken.None);
 
 					var completedTask = await Task.WhenAny(
 						localDeploymentCleanupGate.Task,

src/Tgstation.Server.Host/Tgstation.Server.Host.csproj

@@ -104,7 +104,7 @@
     <!-- Usage: GitHub.com interop -->
     <PackageReference Include="Octokit" Version="10.0.0" />
     <!-- Usage: MYSQL/MariaDB ORM plugin -->
-    <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="8.0.0" />
+    <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="8.0.1" />
     <!-- Usage: Discord interop -->
     <PackageReference Include="Remora.Discord" Version="2024.1.0" />
     <!-- Usage: Rich logger builder -->
@@ -128,7 +128,7 @@
     <!-- Usage: Temporary resolution to compatibility issues with EFCore 7 and .NET 8 -->
     <PackageReference Include="System.Security.Permissions" Version="8.0.0" />
     <!-- Usage: .DeleteAsync() support for IQueryable<T>s -->
-    <PackageReference Include="Z.EntityFramework.Plus.EFCore" Version="8.102.1" />
+    <PackageReference Include="Z.EntityFramework.Plus.EFCore" Version="8.102.1.1" />
   </ItemGroup>
 
   <ItemGroup>