From f9018830c311da71475079b636ad38c6dfd8481f Mon Sep 17 00:00:00 2001
From: Anthony Woods <awoods@grafana.com>
Date: Thu, 10 Jan 2019 03:28:25 +0800
Subject: [PATCH] handle file renames
When a file is renamed a "rename" and a "create" event are sent.
We need to treat the rename as a remove. If the new filename matches
the path glob, then we will start tailing it when the "create" event
is reveived.
---
pkg/promtail/target.go | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/pkg/promtail/target.go b/pkg/promtail/target.go
index d271328a..4330b0f6 100644
--- a/pkg/promtail/target.go
+++ b/pkg/promtail/target.go
@@ -157,6 +157,14 @@ func (t *Target) run() {
tailer.cleanup()
delete(t.tails, event.Name)
}
+ case fsnotify.Rename:
+ // Rename is only issued on the original file path; the new name receives a Create event
+ tailer, ok := t.tails[event.Name]
+ if ok {
+ helpers.LogError("stopping tailer", tailer.stop)
+ tailer.cleanup()
+ delete(t.tails, event.Name)
+ }
default:
level.Debug(t.logger).Log("msg", "got unknown event", "event", event)
--
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