OpenTelemetryLoggerProvider is now unaffected by changes to OpenTelemetryLoggerOptions after the LoggerFactory is built.

src/OpenTelemetry/CHANGELOG.md

@@ -24,6 +24,10 @@
   `readonly`
   ([#3065](https://github.com/open-telemetry/opentelemetry-dotnet/pull/3065))
 
+* `OpenTelemetryLoggerProvider` now copies values from `OpenTelemetryLoggerOptions`.
+  Provider will not respect changes made after the LoggerFactory is built.
+  ([#3055](https://github.com/open-telemetry/opentelemetry-dotnet/pull/3055))
+
 ## 1.2.0-rc3
 
 Released 2022-Mar-04

src/OpenTelemetry/Logs/OpenTelemetryLogger.cs

@@ -46,21 +46,20 @@ public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Except
                 return;
             }
 
-            var processor = this.provider.Processor;
+            var provider = this.provider;
+            var processor = provider.Processor;
             if (processor != null)
             {
-                var options = this.provider.Options;
-
                 var record = new LogRecord(
-                    options.IncludeScopes ? this.ScopeProvider : null,
+                    provider.IncludeScopes ? this.ScopeProvider : null,
                     DateTime.UtcNow,
                     this.categoryName,
                     logLevel,
                     eventId,
-                    options.IncludeFormattedMessage ? formatter?.Invoke(state, exception) : null,
-                    options.ParseStateValues ? null : state,
+                    provider.IncludeFormattedMessage ? formatter?.Invoke(state, exception) : null,
+                    provider.ParseStateValues ? null : state,
                     exception,
-                    options.ParseStateValues ? this.ParseState(state) : null);
+                    provider.ParseStateValues ? this.ParseState(state) : null);
 
                 processor.OnEnd(record);
 

src/OpenTelemetry/Logs/OpenTelemetryLoggerProvider.cs

@@ -25,7 +25,9 @@ namespace OpenTelemetry.Logs
     [ProviderAlias("OpenTelemetry")]
     public class OpenTelemetryLoggerProvider : BaseProvider, ILoggerProvider, ISupportExternalScope
     {
-        internal readonly OpenTelemetryLoggerOptions Options;
+        internal readonly bool IncludeScopes;
+        internal readonly bool IncludeFormattedMessage;
+        internal readonly bool ParseStateValues;
         internal BaseProcessor<LogRecord> Processor;
         internal Resource Resource;
         private readonly Hashtable loggers = new();
@@ -48,7 +50,10 @@ internal OpenTelemetryLoggerProvider(OpenTelemetryLoggerOptions options)
         {
             Guard.ThrowIfNull(options);
 
-            this.Options = options;
+            this.IncludeScopes = options.IncludeScopes;
+            this.IncludeFormattedMessage = options.IncludeFormattedMessage;
+            this.ParseStateValues = options.ParseStateValues;
+
             this.Resource = options.ResourceBuilder.Build();
 
             foreach (var processor in options.Processors)