allow seq url to be configured

Author: PhilBastian

src/ServiceControl.Audit/App.config

@@ -22,8 +22,9 @@ These settings are only here so that we can debug ServiceControl while developin
     <add key="ServiceControl.Audit/PersistenceType" value="InMemory" />
     <!--<add key="ServiceControl.Audit/PersistenceType" value="RavenDB" />-->
 
-		<!-- options are any comma separated combination of NLog,Seq -->
-		<add key="ServiceControl.Audit/LoggingProviders" value="NLog,Seq"/>
+	<!-- options are any comma separated combination of NLog,Seq -->
+	<add key="ServiceControl.Audit/LoggingProviders" value="NLog,Seq"/>
+	<add key="ServiceControl.Audit/SeqAddress" value="http://localhost:5341"/>
   </appSettings>
   <connectionStrings>
     <!-- DEVS - Pick a transport connection string to match chosen transport above -->

src/ServiceControl.Infrastructure/LoggerUtil.cs

@@ -19,6 +19,8 @@ public static class LoggerUtil
     {
         public static Loggers ActiveLoggers { private get; set; } = Loggers.None;
 
+        public static string SeqAddress { private get; set; }
+
         public static bool IsLoggingTo(Loggers logger)
         {
             return (logger & ActiveLoggers) == logger;
@@ -36,7 +38,14 @@ public static void BuildLogger(this ILoggingBuilder loggingBuilder, LogLevel lev
             }
             if (IsLoggingTo(Loggers.Seq))
             {
-                loggingBuilder.AddSeq();
+                if (!string.IsNullOrWhiteSpace(SeqAddress))
+                {
+                    loggingBuilder.AddSeq(SeqAddress);
+                }
+                else
+                {
+                    loggingBuilder.AddSeq();
+                }
             }
 
             loggingBuilder.SetMinimumLevel(level);

src/ServiceControl.Infrastructure/LoggingSettings.cs

@@ -20,6 +20,11 @@ public LoggingSettings(SettingsRootNamespace rootNamespace, LogLevel defaultLeve
         if (loggingProviders.Contains("Seq"))
         {
             activeLoggers |= Loggers.Seq;
+            var seqAddress = SettingsReader.Read<string>(rootNamespace, seqAddressKey);
+            if (!string.IsNullOrWhiteSpace(seqAddress))
+            {
+                LoggerUtil.SeqAddress = seqAddress;
+            }
         }
         //this defaults to NLog because historically that was the default, and we don't want to break existing installs that don't have the config key to define loggingProviders
         LoggerUtil.ActiveLoggers = activeLoggers == Loggers.None ? Loggers.NLog : activeLoggers;
@@ -78,4 +83,5 @@ static LogLevel ParseLogLevel(string value, LogLevel defaultLevel)
     const string logLevelKey = "LogLevel";
     const string logPathKey = "LogPath";
     const string loggingProvidersKey = "LoggingProviders";
+    const string seqAddressKey = "SeqAddress";
 }

src/ServiceControl.Monitoring/App.config

@@ -19,6 +19,9 @@ These settings are only here so that we can debug ServiceControl while developin
     <!--<add key="Monitoring/TransportType" value="RabbitMQ.QuorumConventionalRouting" />-->
     <!--<add key="Monitoring/TransportType" value="SQLServer" />-->
 
+	<!-- options are any comma separated combination of NLog,Seq -->
+	<add key="Monitoring/LoggingProviders" value="NLog,Seq"/>
+	<add key="Monitoring/SeqAddress" value="http://localhost:5341"/>
   </appSettings>
   <connectionStrings>
     <!-- DEVS - Pick a transport connection string to match chosen transport above -->

src/ServiceControl/App.config

@@ -23,6 +23,10 @@ These settings are only here so that we can debug ServiceControl while developin
     <!--<add key="ServiceControl/TransportType" value="SQLServer" />-->
 
     <add key="ServiceControl/PersistenceType" value="RavenDB" />
+
+	<!-- options are any comma separated combination of NLog,Seq -->
+	<add key="ServiceControl/LoggingProviders" value="NLog,Seq"/>
+	<add key="ServiceControl/SeqAddress" value="http://localhost:5341"/>
   </appSettings>
   <connectionStrings>
     <!-- DEVS - Pick a transport connection string to match chosen transport above -->