From e536245dd0a25714bdfc54ce457387685590ed7b Mon Sep 17 00:00:00 2001
From: Vasilis Themelis <vdthemelis@gmail.com>
Date: Wed, 29 May 2024 22:22:34 +0100
Subject: [PATCH] Log when liveness probes fails due to full write queue

---
 storage/diskmetricstore.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/storage/diskmetricstore.go b/storage/diskmetricstore.go
index ff1dbe6e..b5940685 100644
--- a/storage/diskmetricstore.go
+++ b/storage/diskmetricstore.go
@@ -125,7 +125,9 @@ func (dms *DiskMetricStore) Healthy() error {
 	// A pushgateway that cannot be written to should not be
 	// considered as healthy.
 	if len(dms.writeQueue) == cap(dms.writeQueue) {
-		return fmt.Errorf("write queue is full")
+		error_msg := "write queue is full"
+		level.Error(dms.logger).Log("msg", error_msg)
+		return fmt.Errorf(error_msg)
 	}
 
 	return nil