backport of commit 88fb88e3db (#23609)

Co-authored-by: Peter Wilson <peter.wilson@hashicorp.com>

builtin/audit/file/backend.go

@@ -391,6 +391,17 @@ func (b *Backend) open() error {
 }
 
 func (b *Backend) Reload(_ context.Context) error {
+	// When there are nodes created in the map, use the eventlogger behavior.
+	if len(b.nodeMap) > 0 {
+		for _, n := range b.nodeMap {
+			if n.Type() == eventlogger.NodeTypeSink {
+				return n.Reopen()
+			}
+		}
+
+		return nil
+	} else {
+		// old non-eventlogger behavior
 		switch b.path {
 		case stdout, discard:
 			return nil
@@ -413,6 +424,7 @@ func (b *Backend) Reload(_ context.Context) error {
 
 		return b.open()
 	}
+}
 
 func (b *Backend) Invalidate(_ context.Context) {
 	b.saltMutex.Lock()

changelog/23598.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+audit: Fix bug reopening 'file' audit devices on SIGHUP.
+```