Merge pull request #52523 from NickrenREN/ephemeral-storage-e2e

Automatic merge from submit-queue (batch tested with PRs 54773, 52523, 47497, 55356, 49429). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add ephemeral storage e2e tests

Add e2e tests of limitrange/quota/downward_api for local ephemeral storage

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of #52463

**Special notes for your reviewer**:
Add e2e tests of limitrange/quota/downwardapi for local ephemeral storage

**Release note**:
```release-note
Add limitrange/resourcequota/downward_api  e2e tests for local ephemeral storage
```

/assign @jingxu97

test/e2e/framework/util.go

@@ -73,6 +73,7 @@ import (
 	"k8s.io/client-go/tools/clientcmd"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
@@ -87,6 +88,7 @@ import (
 	gcecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/gce"
 	"k8s.io/kubernetes/pkg/controller"
 	nodectlr "k8s.io/kubernetes/pkg/controller/node"
+	"k8s.io/kubernetes/pkg/features"
 	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/kubelet/util/format"
 	"k8s.io/kubernetes/pkg/master/ports"
@@ -311,6 +313,12 @@ func SkipIfProviderIs(unsupportedProviders ...string) {
 	}
 }
 
+func SkipUnlessLocalEphemeralStorageEnabled() {
+	if !utilfeature.DefaultFeatureGate.Enabled(features.LocalStorageCapacityIsolation) {
+		Skipf("Only supported when %v feature is enabled", features.LocalStorageCapacityIsolation)
+	}
+}
+
 func SkipUnlessSSHKeyPresent() {
 	if _, err := GetSigner(TestContext.Provider); err != nil {
 		Skipf("No SSH Key for provider %s: '%v'", TestContext.Provider, err)