Suppress OD build output in CI

src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs

@@ -230,18 +230,28 @@ namespace Tgstation.Server.Host.Components.Engine
 						shortenedPath,
 						$"run -c Release --project OpenDreamPackageTool -- --tgs -o {shortenedDeployPath}",
 						null,
-						true,
-						true);
+						!GeneralConfiguration.OpenDreamSuppressInstallOutput,
+						!GeneralConfiguration.OpenDreamSuppressInstallOutput);
 					using (cancellationToken.Register(() => buildProcess.Terminate()))
 						buildExitCode = await buildProcess.Lifetime;
 
-					Logger.LogTrace("OD build complete, waiting for output...");
+					string output;
+
+					if (!GeneralConfiguration.OpenDreamSuppressInstallOutput)
+					{
+						var buildOutputTask = buildProcess.GetCombinedOutput(cancellationToken);
+						if (!buildOutputTask.IsCompleted)
+							Logger.LogTrace("OD build complete, waiting for output...");
+						output = await buildOutputTask;
+					}
+					else
+						output = "<Build output suppressed by configuration due to not being immediately available>";
 
 					Logger.LogDebug(
 						"OpenDream build exited with code {exitCode}:{newLine}{output}",
 						buildExitCode,
 						Environment.NewLine,
-						await buildProcess.GetCombinedOutput(cancellationToken));
+						output);
 				},
 				sourcePath,
 				cancellationToken);

src/Tgstation.Server.Host/Configuration/GeneralConfiguration.cs

@@ -145,6 +145,11 @@ namespace Tgstation.Server.Host.Configuration
 		/// </summary>
 		public string OpenDreamGitTagPrefix { get; set; } = DefaultOpenDreamGitTagPrefix;
 
+		/// <summary>
+		/// If the dotnet output of creating an OpenDream installation should be suppressed. Known to cause issues in CI.
+		/// </summary>
+		public bool OpenDreamSuppressInstallOutput { get; set; }
+
 		/// <summary>
 		/// Initializes a new instance of the <see cref="GeneralConfiguration"/> class.
 		/// </summary>

src/Tgstation.Server.Host/appsettings.yml

@@ -18,6 +18,7 @@ General:
   DeploymentDirectoryCopyTasksPerCore: 100 # Maximum number of concurrent file copy operations PER available CPU core
   OpenDreamGitUrl: https://github.com/OpenDreamProject/OpenDream # The repository to retrieve OpenDream from
   OpenDreamGitTagPrefix: v # The prefix to the OpenDream semver as tags appear in the git repository
+  OpenDreamSuppressInstallOutput: false # Suppress the dotnet output of creating an OpenDream installation. Known to cause hangs in CI.
 Session:
   HighPriorityLiveDreamDaemon: false # If DreamDaemon instances should run as higher priority processes
   LowPriorityDeploymentProcesses: true # If TGS Deployments should run as lower priority processes

tests/Tgstation.Server.Tests/Live/LiveTestingServer.cs

@@ -154,6 +154,7 @@ namespace Tgstation.Server.Tests.Live
 				$"General:SkipAddingByondFirewallException={!TestingUtils.RunningInGitHubActions}",
 				$"General:OpenDreamGitUrl={OpenDreamUrl}",
 				$"Security:TokenExpiryMinutes=120", // timeouts are useless for us
+				$"General:OpenDreamSuppressInstallOutput={TestingUtils.RunningInGitHubActions}",
 			};
 
 			swarmArgs = new List<string>();