Add the ShutdownTimeout to the Monitoring instance

Author: mauroservienti

src/ServiceControl.Monitoring/HostApplicationBuilderExtensions.cs

@@ -39,6 +39,8 @@ public static void AddServiceControlMonitoring(this IHostApplicationBuilder host
         var transportCustomization = TransportFactory.Create(transportSettings);
         transportCustomization.AddTransportForMonitoring(services, transportSettings);
 
+        services.Configure<HostOptions>(options => options.ShutdownTimeout = settings.ShutdownTimeout);
+
         services.AddWindowsService();
 
         services.AddSingleton(settings);

src/ServiceControl.Monitoring/Settings.cs

@@ -39,6 +39,7 @@ public Settings(LoggingSettings loggingSettings = null, string transportType = n
             EndpointUptimeGracePeriod = TimeSpan.Parse(SettingsReader.Read(SettingsRootNamespace, "EndpointUptimeGracePeriod", "00:00:40"));
             MaximumConcurrencyLevel = SettingsReader.Read<int?>(SettingsRootNamespace, "MaximumConcurrencyLevel");
             ServiceControlThroughputDataQueue = SettingsReader.Read(SettingsRootNamespace, "ServiceControlThroughputDataQueue", "ServiceControl.ThroughputData");
+            ShutdownTimeout = SettingsReader.Read(SettingsRootNamespace, "ShutdownTimeout", ShutdownTimeout);
 
             AssemblyLoadContextResolver = static assemblyPath => new PluginAssemblyLoadContext(assemblyPath);
         }
@@ -68,6 +69,12 @@ public Settings(LoggingSettings loggingSettings = null, string transportType = n
 
         public string ServiceControlThroughputDataQueue { get; set; }
 
+        // The default value is set to the maximum allowed time by the most
+        // restrictive hosting platform, which is Linux containers. Linux
+        // containers allow for a maximum of 10 seconds. We set it to 5 to
+        // allow for cancellation and logging to take place
+        public TimeSpan ShutdownTimeout { get; set; } = TimeSpan.FromSeconds(5);
+
         public TransportSettings ToTransportSettings()
         {
             var transportSettings = new TransportSettings

src/ServiceControlInstaller.Engine/Configuration/Monitoring/AppConfig.cs

@@ -22,6 +22,12 @@ public void Save()
             settings.Set(SettingsList.TransportType, details.TransportPackage.Name, version);
             settings.Set(SettingsList.ErrorQueue, details.ErrorQueue);
 
+            // Windows services allow a maximum of 125 seconds when stopping a service.
+            // When shutting down or restarting the OS we have no control over the
+            // shutdown timeout. This is by the installer engine that is run _only_ on
+            // Windows via SCMU or PowerShell
+            settings.Set(SettingsList.ShutdownTimeout, "00:02:00", version);
+
             // Retired settings
             settings.RemoveIfRetired(SettingsList.EndpointName, version);
 

src/ServiceControlInstaller.Engine/Configuration/Monitoring/SettingsList.cs

@@ -21,5 +21,10 @@ public static class SettingsList
         public static SettingInfo LogPath = new() { Name = "Monitoring/LogPath" };
         public static SettingInfo TransportType = new() { Name = "Monitoring/TransportType" };
         public static SettingInfo ErrorQueue = new() { Name = "Monitoring/ErrorQueue" };
+        public static SettingInfo ShutdownTimeout = new()
+        {
+            Name = "Monitoring/ShutdownTimeout",
+            SupportedFrom = new SemanticVersion(6, 4, 1)
+        };
     }
 }