New: Add Compact Log Event Format option for console logging

(cherry picked from commit 0d914f4c53876540ed2df83ad3d71615c013856f)

Closes #4981

src/NzbDrone.Common/Instrumentation/NzbDroneLogger.cs

@@ -3,6 +3,7 @@
 using System.IO;
 using NLog;
 using NLog.Config;
+using NLog.Layouts.ClefJsonLayout;
 using NLog.Targets;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
@@ -13,6 +14,8 @@ namespace NzbDrone.Common.Instrumentation
     public static class NzbDroneLogger
     {
         private const string FILE_LOG_LAYOUT = @"${date:format=yyyy-MM-dd HH\:mm\:ss.f}|${level}|${logger}|${message}${onexception:inner=${newline}${newline}[v${assembly-version}] ${exception:format=ToString}${newline}${exception:format=Data}${newline}}";
+        public const string ConsoleLogLayout = "[${level}] ${logger}: ${message} ${onexception:inner=${newline}${newline}[v${assembly-version}] ${exception:format=ToString}${newline}${exception:format=Data}${newline}}";
+        public static CompactJsonLayout ClefLogLayout = new CompactJsonLayout();
 
         private static bool _isConfigured;
 
@@ -110,7 +113,16 @@ private static void RegisterConsole()
             var coloredConsoleTarget = new ColoredConsoleTarget();
 
             coloredConsoleTarget.Name = "consoleLogger";
-            coloredConsoleTarget.Layout = "[${level}] ${logger}: ${message} ${onexception:inner=${newline}${newline}[v${assembly-version}] ${exception:format=ToString}${newline}${exception:format=Data}${newline}}";
+
+            var logFormat = Enum.TryParse<ConsoleLogFormat>(Environment.GetEnvironmentVariable("LIDARR__LOG__CONSOLEFORMAT"), out var formatEnumValue)
+                ? formatEnumValue
+                : ConsoleLogFormat.Standard;
+
+            coloredConsoleTarget.Layout = logFormat switch
+            {
+                ConsoleLogFormat.Clef => ClefLogLayout,
+                _ => ConsoleLogLayout
+            };
 
             var loggingRule = new LoggingRule("*", level, coloredConsoleTarget);
 
@@ -205,4 +217,10 @@ public static Logger GetLogger(object obj)
             return GetLogger(obj.GetType());
         }
     }
+
+    public enum ConsoleLogFormat
+    {
+        Standard,
+        Clef
+    }
 }

src/NzbDrone.Common/Lidarr.Common.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NLog" Version="5.3.3" />
     <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="6.0.2" />
+    <PackageReference Include="NLog.Layouts.ClefJsonLayout" Version="1.0.0" />
     <PackageReference Include="Sentry" Version="3.25.0" />
     <PackageReference Include="SharpZipLib" Version="1.4.2" />
     <PackageReference Include="System.IO.Abstractions" Version="17.0.24" />

src/NzbDrone.Common/Options/LogOptions.cs

@@ -7,6 +7,7 @@ public class LogOptions
     public int? Rotate { get; set; }
     public bool? Sql { get; set; }
     public string ConsoleLevel { get; set; }
+    public string ConsoleFormat { get; set; }
     public bool? AnalyticsEnabled { get; set; }
     public string SyslogServer { get; set; }
     public int? SyslogPort { get; set; }

src/NzbDrone.Core/Configuration/ConfigFileProvider.cs

@@ -9,6 +9,7 @@
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Common.Instrumentation;
 using NzbDrone.Common.Options;
 using NzbDrone.Core.Authentication;
 using NzbDrone.Core.Configuration.Events;
@@ -38,6 +39,7 @@ public interface IConfigFileProvider : IHandleAsync<ApplicationStartedEvent>,
         bool AnalyticsEnabled { get; }
         string LogLevel { get; }
         string ConsoleLogLevel { get; }
+        ConsoleLogFormat ConsoleLogFormat { get; }
         bool LogSql { get; }
         int LogRotate { get; }
         bool FilterSentryEvents { get; }
@@ -221,6 +223,11 @@ public AuthenticationType AuthenticationMethod
         public string LogLevel => _logOptions.Level ?? GetValue("LogLevel", "debug").ToLowerInvariant();
         public string ConsoleLogLevel => _logOptions.ConsoleLevel ?? GetValue("ConsoleLogLevel", string.Empty, persist: false);
 
+        public ConsoleLogFormat ConsoleLogFormat =>
+            Enum.TryParse<ConsoleLogFormat>(_logOptions.ConsoleFormat, out var enumValue)
+                ? enumValue
+                : GetValueEnum("ConsoleLogFormat", ConsoleLogFormat.Standard, false);
+
         public string Theme => _appOptions.Theme ?? GetValue("Theme", "auto", persist: false);
 
         public string PostgresHost => _postgresOptions?.Host ?? GetValue("PostgresHost", string.Empty, persist: false);

src/NzbDrone.Core/Instrumentation/ReconfigureLogging.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using NLog;
 using NLog.Config;
+using NLog.Targets;
 using NLog.Targets.Syslog;
 using NLog.Targets.Syslog.Settings;
 using NzbDrone.Common.EnvironmentInfo;
@@ -51,6 +52,7 @@ public void Reconfigure()
             var rules = LogManager.Configuration.LoggingRules;
 
             // Console
+            ReconfigureConsole();
             SetMinimumLogLevel(rules, "consoleLogger", minimumConsoleLogLevel);
 
             // Log Files
@@ -109,6 +111,22 @@ private void ReconfigureSentry()
             }
         }
 
+        private void ReconfigureConsole()
+        {
+            var consoleTarget = LogManager.Configuration.AllTargets.OfType<ColoredConsoleTarget>().FirstOrDefault();
+
+            if (consoleTarget != null)
+            {
+                var format = _configFileProvider.ConsoleLogFormat;
+
+                consoleTarget.Layout = format switch
+                {
+                    ConsoleLogFormat.Clef => NzbDroneLogger.ClefLogLayout,
+                    _ => NzbDroneLogger.ConsoleLogLayout
+                };
+            }
+        }
+
         private void SetSyslogParameters(string syslogServer, int syslogPort, LogLevel minimumLogLevel)
         {
             var syslogTarget = new SyslogTarget();