From f1a940208214940abe8c081e0cd35342dc674085 Mon Sep 17 00:00:00 2001
From: Phil <16774926+sky-philipalmeida@users.noreply.github.com>
Date: Thu, 13 May 2021 17:44:36 +0100
Subject: [PATCH] Log if PV is still in use trying to delete it

Similar to what we have in:
https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/volume/pvcprotection/pvc_protection_controller.go#L181
The objective is to have a easy way to monitor if a PV will enter in Terminating state due to a failed removal when still in use.
This way we can capture the PV log and alert according.
The code is not tested.

Update pv_protection_controller.go

Change call to Infof
---
 pkg/controller/volume/pvprotection/pv_protection_controller.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/controller/volume/pvprotection/pv_protection_controller.go b/pkg/controller/volume/pvprotection/pv_protection_controller.go
index 590c8ee44c6..4193283fd91 100644
--- a/pkg/controller/volume/pvprotection/pv_protection_controller.go
+++ b/pkg/controller/volume/pvprotection/pv_protection_controller.go
@@ -144,6 +144,7 @@ func (c *Controller) processPV(pvName string) error {
 		if !isUsed {
 			return c.removeFinalizer(pv)
 		}
+		klog.V(4).Infof("Keeping PV %s because it is being used", pvName)
 	}
 
 	if protectionutil.NeedToAddFinalizer(pv, volumeutil.PVProtectionFinalizer) {