From 3234b0fa5bae2fec2b8466fe8fb1b8c98c2e905b Mon Sep 17 00:00:00 2001
From: Seth Jennings <sjenning@redhat.com>
Date: Thu, 28 Jun 2018 14:01:08 -0500
Subject: [PATCH] feature gate LSI capacity calculation

---
 pkg/kubelet/cm/container_manager_linux.go | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/pkg/kubelet/cm/container_manager_linux.go b/pkg/kubelet/cm/container_manager_linux.go
index 974986deabd..fc27adb7621 100644
--- a/pkg/kubelet/cm/container_manager_linux.go
+++ b/pkg/kubelet/cm/container_manager_linux.go
@@ -540,12 +540,14 @@ func (cm *containerManagerImpl) Start(node *v1.Node,
 	// allocatable of the node
 	cm.nodeInfo = node
 
-	rootfs, err := cm.cadvisorInterface.RootFsInfo()
-	if err != nil {
-		return fmt.Errorf("failed to get rootfs info: %v", err)
-	}
-	for rName, rCap := range cadvisor.EphemeralStorageCapacityFromFsInfo(rootfs) {
-		cm.capacity[rName] = rCap
+	if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.LocalStorageCapacityIsolation) {
+		rootfs, err := cm.cadvisorInterface.RootFsInfo()
+		if err != nil {
+			return fmt.Errorf("failed to get rootfs info: %v", err)
+		}
+		for rName, rCap := range cadvisor.EphemeralStorageCapacityFromFsInfo(rootfs) {
+			cm.capacity[rName] = rCap
+		}
 	}
 
 	// Ensure that node allocatable configuration is valid.