Added custom authentication support to Garnet.

libs/host/Configuration/Options.cs

@@ -664,8 +664,8 @@ private IAuthenticationSettings GetAuthenticationSettings(ILogger logger = null)
                     var aadAuthSettings = new AadAuthenticationSettings(AuthorizedAadApplicationIds?.Split(','), AadAudiences?.Split(','), AadIssuers?.Split(','), IssuerSigningTokenProvider.Create(AadAuthority, logger), AadValidateUsername.GetValueOrDefault());
                     return new AclAuthenticationAadSettings(AclFile, Password, aadAuthSettings);
                 default:
-                    logger?.LogError("Unsupported authentication mode: {mode}", AuthenticationMode);
-                    throw new Exception($"Authentication mode {AuthenticationMode} is not supported.");
+                    logger?.LogWarning("Defaulting to NoAuth if authenticationSettingsOverride is not provided.");
+                    return new NoAuthSettings();
             }
         }
     }

libs/host/GarnetServer.cs

@@ -9,6 +9,7 @@
 using Garnet.common;
 using Garnet.networking;
 using Garnet.server;
+using Garnet.server.Auth.Settings;
 using Microsoft.Extensions.Logging;
 using Tsavorite.core;
 
@@ -76,7 +77,7 @@ public class GarnetServer : IDisposable
         /// </summary>
         /// <param name="commandLineArgs">Command line arguments</param>
         /// <param name="loggerFactory">Logger factory</param>
-        public GarnetServer(string[] commandLineArgs, ILoggerFactory loggerFactory = null, bool cleanupDir = false)
+        public GarnetServer(string[] commandLineArgs, IAuthenticationSettings authenticationSettingsOverride = null, ILoggerFactory loggerFactory = null, bool cleanupDir = false)
         {
             Trace.Listeners.Add(new ConsoleTraceListener());
 
@@ -125,6 +126,7 @@ public GarnetServer(string[] commandLineArgs, ILoggerFactory loggerFactory = nul
 
             // Assign values to GarnetServerOptions
             this.opts = serverSettings.GetServerOptions(this.loggerFactory.CreateLogger("Options"));
+            this.opts.AuthSettings = authenticationSettingsOverride ?? this.opts.AuthSettings;
             this.cleanupDir = cleanupDir;
             this.InitializeServer();
         }