Add systemd support to core service

Author: webprofusion-chrisc

src/Certify.Server/Certify.Server.Core/Certify.Server.Core/Certify.Server.Core.csproj

@@ -10,6 +10,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNet.SignalR.Client" Version="2.4.3" />
         <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.5" />
+        <PackageReference Include="Microsoft.Extensions.Hosting.Systemd" Version="9.0.5" />
         <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="9.0.5" />
         <PackageReference Include="Polly" Version="8.5.2" />
         <PackageReference Include="Microsoft.AspNetCore.Authentication.Negotiate" Version="9.0.5" />

src/Certify.Server/Certify.Server.Core/Certify.Server.Core/Program.cs

@@ -1,9 +1,19 @@
-using Certify.Server.Core;
+using System.Runtime.InteropServices;
+using Certify.Server.Core;
 
 var builder = WebApplication.CreateBuilder(args);
 
-builder.Services.AddWindowsService()
-                .AddHostedService<WindowsBackgroundService>();
+if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+{
+    builder.Services.AddSystemd()
+                .AddHostedService<StubBackgroundService>();
+}
+
+if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+{
+    builder.Services.AddWindowsService()
+                    .AddHostedService<StubBackgroundService>();
+}
 
 builder.Configuration.AddJsonFile("appsettings-core.json", optional: true, reloadOnChange: true);
 

….Server.Core/WindowsBackgroundService.cs …ify.Server.Core/StubBackgroundService.cssrc/Certify.Server/Certify.Server.Core/Certify.Server.Core/WindowsBackgroundService.cs renamed to src/Certify.Server/Certify.Server.Core/Certify.Server.Core/StubBackgroundService.cs src/Certify.Server/Certify.Server.Core/Certify.Server.Core/WindowsBackgroundService.cs renamed to src/Certify.Server/Certify.Server.Core/Certify.Server.Core/StubBackgroundService.cs

@@ -1,10 +1,10 @@
 namespace Certify.Server.Core
 {
-    public class WindowsBackgroundService : BackgroundService
+    public class StubBackgroundService : BackgroundService
     {
-        public WindowsBackgroundService(ILoggerFactory loggerFactory)
+        public StubBackgroundService(ILoggerFactory loggerFactory)
         {
-            Logger = loggerFactory.CreateLogger<WindowsBackgroundService>();
+            Logger = loggerFactory.CreateLogger<StubBackgroundService>();
         }
 
         public ILogger Logger { get; }

src/Certify.Server/Certify.Server.HubService/Program.cs

@@ -80,7 +80,7 @@
 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
 {
     builder.Services.AddWindowsService()
-                    .AddHostedService<WindowsBackgroundService>();
+                    .AddHostedService<StubBackgroundService>();
 }
 
 builder.AddServiceDefaults();