Merge pull request #51070 from NickrenREN/ephemeral-storage-name

Automatic merge from submit-queue (batch tested with PRs 50489, 51070, 51011, 51022, 51141)

Add ephemeral local storage resource name first

Since finally decided the ephemeral local storage resource name, send this PR to add the resource name first, and then i will rebase all my PRs about local storage isolation

**Special notes for your reviewer**:
related to: #50818 

**Release note**:
```release-note
NONE
```

/assign @jingxu97

pkg/api/resource.go

@@ -60,3 +60,10 @@ func (self *ResourceList) StorageOverlay() *resource.Quantity {
 	}
 	return &resource.Quantity{}
 }
+
+func (self *ResourceList) StorageEphemeral() *resource.Quantity {
+	if val, ok := (*self)[ResourceEphemeralStorage]; ok {
+		return &val
+	}
+	return &resource.Quantity{}
+}

pkg/api/types.go

@@ -3173,9 +3173,11 @@ const (
 	// Local Storage for scratch space, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
 	// The resource name for ResourceStorageScratch is alpha and it can change across releases.
 	ResourceStorageScratch ResourceName = "storage.kubernetes.io/scratch"
+	// Local ephemeral storage, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	// The resource name for ResourceEphemeralStorage is alpha and it can change across releases.
+	ResourceEphemeralStorage ResourceName = "ephemeral-storage"
 	// NVIDIA GPU, in devices. Alpha, might change: although fractional and allowing values >1, only one whole device per node is assigned.
 	ResourceNvidiaGPU ResourceName = "alpha.kubernetes.io/nvidia-gpu"
-	// Number of Pods that may be running on this Node: see ResourcePods
 )
 
 const (
@@ -3725,10 +3727,14 @@ const (
 	ResourceRequestsMemory ResourceName = "requests.memory"
 	// Storage request, in bytes
 	ResourceRequestsStorage ResourceName = "requests.storage"
+	// Local ephemeral storage request, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	ResourceRequestsEphemeralStorage ResourceName = "requests.ephemeral-storage"
 	// CPU limit, in cores. (500m = .5 cores)
 	ResourceLimitsCPU ResourceName = "limits.cpu"
 	// Memory limit, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
 	ResourceLimitsMemory ResourceName = "limits.memory"
+	// Local ephemeral storage limit, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	ResourceLimitsEphemeralStorage ResourceName = "limits.ephemeral-storage"
 )
 
 // A ResourceQuotaScope defines a filter that must match each object tracked by a quota

staging/src/k8s.io/api/core/v1/resource.go

@@ -61,3 +61,10 @@ func (self *ResourceList) StorageOverlay() *resource.Quantity {
 	}
 	return &resource.Quantity{}
 }
+
+func (self *ResourceList) StorageEphemeral() *resource.Quantity {
+	if val, ok := (*self)[ResourceEphemeralStorage]; ok {
+		return &val
+	}
+	return &resource.Quantity{}
+}

staging/src/k8s.io/api/core/v1/types.go

@@ -3602,9 +3602,11 @@ const (
 	// Local Storage for scratch space, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
 	// The resource name for ResourceStorageScratch is alpha and it can change across releases.
 	ResourceStorageScratch ResourceName = "storage.kubernetes.io/scratch"
+	// Local ephemeral storage, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	// The resource name for ResourceEphemeralStorage is alpha and it can change across releases.
+	ResourceEphemeralStorage ResourceName = "ephemeral-storage"
 	// NVIDIA GPU, in devices. Alpha, might change: although fractional and allowing values >1, only one whole device per node is assigned.
 	ResourceNvidiaGPU ResourceName = "alpha.kubernetes.io/nvidia-gpu"
-	// Number of Pods that may be running on this Node: see ResourcePods
 )
 
 const (
@@ -4250,10 +4252,14 @@ const (
 	ResourceRequestsMemory ResourceName = "requests.memory"
 	// Storage request, in bytes
 	ResourceRequestsStorage ResourceName = "requests.storage"
+	// Local ephemeral storage request, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	ResourceRequestsEphemeralStorage ResourceName = "requests.ephemeral-storage"
 	// CPU limit, in cores. (500m = .5 cores)
 	ResourceLimitsCPU ResourceName = "limits.cpu"
 	// Memory limit, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
 	ResourceLimitsMemory ResourceName = "limits.memory"
+	// Local ephemeral storage limit, in bytes. (500Gi = 500GiB = 500 * 1024 * 1024 * 1024)
+	ResourceLimitsEphemeralStorage ResourceName = "limits.ephemeral-storage"
 )
 
 // A ResourceQuotaScope defines a filter that must match each object tracked by a quota