cadvisor: add Disk metrics with LocalStorageCapacityIsolation

needed for cadvisor commit e3affc1b79faa2901d7210948e92a5416166eb28

Signed-off-by: Giuseppe Scrivano <[email protected]>

Author: giuseppe

pkg/kubelet/cadvisor/BUILD

@@ -30,6 +30,8 @@ go_library(
         "//vendor/github.com/google/cadvisor/info/v2:go_default_library",
     ] + select({
         "@io_bazel_rules_go//go/platform:android": [
+            "//pkg/features:go_default_library",
+            "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
             "//vendor/github.com/google/cadvisor/cache/memory:go_default_library",
             "//vendor/github.com/google/cadvisor/container:go_default_library",
             "//vendor/github.com/google/cadvisor/container/containerd/install:go_default_library",
@@ -46,6 +48,8 @@ go_library(
             "//vendor/k8s.io/utils/pointer:go_default_library",
         ],
         "@io_bazel_rules_go//go/platform:linux": [
+            "//pkg/features:go_default_library",
+            "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
             "//vendor/github.com/google/cadvisor/cache/memory:go_default_library",
             "//vendor/github.com/google/cadvisor/container:go_default_library",
             "//vendor/github.com/google/cadvisor/container/containerd/install:go_default_library",

pkg/kubelet/cadvisor/cadvisor_linux.go

@@ -44,7 +44,9 @@ import (
 	cadvisorapiv2 "github.com/google/cadvisor/info/v2"
 	"github.com/google/cadvisor/manager"
 	"github.com/google/cadvisor/utils/sysfs"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
 	"k8s.io/klog/v2"
+	kubefeatures "k8s.io/kubernetes/pkg/features"
 	"k8s.io/utils/pointer"
 )
 
@@ -96,7 +98,7 @@ func New(imageFsInfoProvider ImageFsInfoProvider, rootPath string, cgroupRoots [
 		cadvisormetrics.AppMetrics:              struct{}{},
 		cadvisormetrics.ProcessMetrics:          struct{}{},
 	}
-	if usingLegacyStats {
+	if usingLegacyStats || utilfeature.DefaultFeatureGate.Enabled(kubefeatures.LocalStorageCapacityIsolation) {
 		includedMetrics[cadvisormetrics.DiskUsageMetrics] = struct{}{}
 	}