ignore errors when the logging node empties the log buffer (#6558)

CHANGELOG.md

@@ -17,6 +17,10 @@ Main (unreleased)
 
 - A new `loki.rules.kubernetes` component that discovers `PrometheusRule` Kubernetes resources and loads them into a Loki Ruler instance. (@EStork09)
 
+### Bugfixes
+
+- Fix an issues where the logging config block would trigger an error when trying to send logs to components that were not running. (@wildum)
+
 v0.40.0 (2024-02-27)
 --------------------
 

pkg/flow/logging/logger.go

@@ -126,9 +126,9 @@ func (l *Logger) Update(o Options) error {
 
 	// Print out the buffered logs since we determined the log format already
 	for _, bufferedLogChunk := range l.buffer {
-		if err := slogadapter.GoKit(l.handler).Log(bufferedLogChunk...); err != nil {
-			return err
-		}
+		// the buffered logs are currently only sent to the standard output
+		// because the components with the receivers are not running yet
+		slogadapter.GoKit(l.handler).Log(bufferedLogChunk...)
 	}
 	l.buffer = nil