From e4d7be0f2b5c37d60d2d6e7e7df4f8f3c97f2e45 Mon Sep 17 00:00:00 2001
From: ericmiller-wpengine
 <98620334+ericmiller-wpengine@users.noreply.github.com>
Date: Thu, 30 Nov 2023 16:52:28 -0600
Subject: [PATCH] fix(inputs.tail): Retry opening file after permission denied
 (#14357)

---
 plugins/inputs/tail/tail.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/inputs/tail/tail.go b/plugins/inputs/tail/tail.go
index 4bdeb5eb0f8d8..ecb9b9442c99d 100644
--- a/plugins/inputs/tail/tail.go
+++ b/plugins/inputs/tail/tail.go
@@ -235,7 +235,12 @@ func (t *Tail) tailNewFiles(fromBeginning bool) error {
 				t.Log.Debugf("Tail removed for %q", tailer.Filename)
 
 				if err := tailer.Err(); err != nil {
-					t.Log.Errorf("Tailing %q: %s", tailer.Filename, err.Error())
+					if strings.HasSuffix(err.Error(), "permission denied") {
+						t.Log.Errorf("Deleting tailer for %q due to: %v", tailer.Filename, err)
+						delete(t.tailers, tailer.Filename)
+					} else {
+						t.Log.Errorf("Tailing %q: %s", tailer.Filename, err.Error())
+					}
 				}
 			}()