Merge pull request #129954 from iholder101/swap/capacity-on-node-sys-info

[KEP-2400] Report swap capacity as part of node.status.nodeSystemInfo

api/openapi-spec/swagger.json

@@ -8739,6 +8739,17 @@
       },
       "type": "object"
     },
+    "io.k8s.api.core.v1.NodeSwapStatus": {
+      "description": "NodeSwapStatus represents swap memory information.",
+      "properties": {
+        "capacity": {
+          "description": "Total amount of swap memory in bytes.",
+          "format": "int64",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
     "io.k8s.api.core.v1.NodeSystemInfo": {
       "description": "NodeSystemInfo is a set of ids/uuids to uniquely identify the node.",
       "properties": {
@@ -8778,6 +8789,10 @@
           "description": "OS Image reported by the node from /etc/os-release (e.g. Debian GNU/Linux 7 (wheezy)).",
           "type": "string"
         },
+        "swap": {
+          "$ref": "#/definitions/io.k8s.api.core.v1.NodeSwapStatus",
+          "description": "Swap Info reported by the node."
+        },
         "systemUUID": {
           "description": "SystemUUID reported by the node. For unique machine identification MachineID is preferred. This field is specific to Red Hat hosts https://access.redhat.com/documentation/en-us/red_hat_subscription_management/1/html/rhsm/uuid",
           "type": "string"

api/openapi-spec/v3/api__v1_openapi.json

@@ -4149,6 +4149,17 @@
         },
         "type": "object"
       },
+      "io.k8s.api.core.v1.NodeSwapStatus": {
+        "description": "NodeSwapStatus represents swap memory information.",
+        "properties": {
+          "capacity": {
+            "description": "Total amount of swap memory in bytes.",
+            "format": "int64",
+            "type": "integer"
+          }
+        },
+        "type": "object"
+      },
       "io.k8s.api.core.v1.NodeSystemInfo": {
         "description": "NodeSystemInfo is a set of ids/uuids to uniquely identify the node.",
         "properties": {
@@ -4197,6 +4208,14 @@
             "description": "OS Image reported by the node from /etc/os-release (e.g. Debian GNU/Linux 7 (wheezy)).",
             "type": "string"
           },
+          "swap": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/io.k8s.api.core.v1.NodeSwapStatus"
+              }
+            ],
+            "description": "Swap Info reported by the node."
+          },
           "systemUUID": {
             "default": "",
             "description": "SystemUUID reported by the node. For unique machine identification MachineID is preferred. This field is specific to Red Hat hosts https://access.redhat.com/documentation/en-us/red_hat_subscription_management/1/html/rhsm/uuid",

pkg/apis/core/types.go

@@ -5190,6 +5190,15 @@ type NodeSystemInfo struct {
 	OperatingSystem string
 	// The Architecture reported by the node
 	Architecture string
+	// Swap Info reported by the node.
+	Swap *NodeSwapStatus
+}
+
+// NodeSwapStatus represents swap memory information.
+type NodeSwapStatus struct {
+	// Total amount of swap memory in bytes.
+	// +optional
+	Capacity *int64
 }
 
 // NodeConfigStatus describes the status of the config assigned by Node.Spec.ConfigSource.

pkg/apis/core/v1/zz_generated.conversion.go

@@ -1162,6 +1162,16 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddGeneratedConversionFunc((*corev1.NodeSwapStatus)(nil), (*core.NodeSwapStatus)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1_NodeSwapStatus_To_core_NodeSwapStatus(a.(*corev1.NodeSwapStatus), b.(*core.NodeSwapStatus), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*core.NodeSwapStatus)(nil), (*corev1.NodeSwapStatus)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_core_NodeSwapStatus_To_v1_NodeSwapStatus(a.(*core.NodeSwapStatus), b.(*corev1.NodeSwapStatus), scope)
+	}); err != nil {
+		return err
+	}
 	if err := s.AddGeneratedConversionFunc((*corev1.NodeSystemInfo)(nil), (*core.NodeSystemInfo)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1_NodeSystemInfo_To_core_NodeSystemInfo(a.(*corev1.NodeSystemInfo), b.(*core.NodeSystemInfo), scope)
 	}); err != nil {
@@ -5419,6 +5429,26 @@ func Convert_core_NodeStatus_To_v1_NodeStatus(in *core.NodeStatus, out *corev1.N
 	return autoConvert_core_NodeStatus_To_v1_NodeStatus(in, out, s)
 }
 
+func autoConvert_v1_NodeSwapStatus_To_core_NodeSwapStatus(in *corev1.NodeSwapStatus, out *core.NodeSwapStatus, s conversion.Scope) error {
+	out.Capacity = (*int64)(unsafe.Pointer(in.Capacity))
+	return nil
+}
+
+// Convert_v1_NodeSwapStatus_To_core_NodeSwapStatus is an autogenerated conversion function.
+func Convert_v1_NodeSwapStatus_To_core_NodeSwapStatus(in *corev1.NodeSwapStatus, out *core.NodeSwapStatus, s conversion.Scope) error {
+	return autoConvert_v1_NodeSwapStatus_To_core_NodeSwapStatus(in, out, s)
+}
+
+func autoConvert_core_NodeSwapStatus_To_v1_NodeSwapStatus(in *core.NodeSwapStatus, out *corev1.NodeSwapStatus, s conversion.Scope) error {
+	out.Capacity = (*int64)(unsafe.Pointer(in.Capacity))
+	return nil
+}
+
+// Convert_core_NodeSwapStatus_To_v1_NodeSwapStatus is an autogenerated conversion function.
+func Convert_core_NodeSwapStatus_To_v1_NodeSwapStatus(in *core.NodeSwapStatus, out *corev1.NodeSwapStatus, s conversion.Scope) error {
+	return autoConvert_core_NodeSwapStatus_To_v1_NodeSwapStatus(in, out, s)
+}
+
 func autoConvert_v1_NodeSystemInfo_To_core_NodeSystemInfo(in *corev1.NodeSystemInfo, out *core.NodeSystemInfo, s conversion.Scope) error {
 	out.MachineID = in.MachineID
 	out.SystemUUID = in.SystemUUID
@@ -5430,6 +5460,7 @@ func autoConvert_v1_NodeSystemInfo_To_core_NodeSystemInfo(in *corev1.NodeSystemI
 	out.KubeProxyVersion = in.KubeProxyVersion
 	out.OperatingSystem = in.OperatingSystem
 	out.Architecture = in.Architecture
+	out.Swap = (*core.NodeSwapStatus)(unsafe.Pointer(in.Swap))
 	return nil
 }
 
@@ -5449,6 +5480,7 @@ func autoConvert_core_NodeSystemInfo_To_v1_NodeSystemInfo(in *core.NodeSystemInf
 	out.KubeProxyVersion = in.KubeProxyVersion
 	out.OperatingSystem = in.OperatingSystem
 	out.Architecture = in.Architecture
+	out.Swap = (*corev1.NodeSwapStatus)(unsafe.Pointer(in.Swap))
 	return nil
 }
 

pkg/apis/core/validation/validation.go

@@ -6424,6 +6424,7 @@ func ValidateNode(node *core.Node) field.ErrorList {
 	// All status fields are optional and can be updated later.
 	// That said, if specified, we need to ensure they are valid.
 	allErrs = append(allErrs, ValidateNodeResources(node)...)
+	allErrs = append(allErrs, validateNodeSwapStatus(node.Status.NodeInfo.Swap, fldPath.Child("nodeSwapStatus"))...)
 
 	// validate PodCIDRS only if we need to
 	if len(node.Spec.PodCIDRs) > 0 {
@@ -8769,3 +8770,22 @@ func IsValidIPForLegacyField(fldPath *field.Path, value string, validOldIPs []st
 func IsValidCIDRForLegacyField(fldPath *field.Path, value string, validOldCIDRs []string) field.ErrorList {
 	return validation.IsValidCIDRForLegacyField(fldPath, value, utilfeature.DefaultFeatureGate.Enabled(features.StrictIPCIDRValidation), validOldCIDRs)
 }
+
+func validateNodeSwapStatus(nodeSwapStatus *core.NodeSwapStatus, fldPath *field.Path) field.ErrorList {
+	allErrors := field.ErrorList{}
+
+	if nodeSwapStatus == nil {
+		return allErrors
+	}
+
+	if nodeSwapStatus.Capacity != nil {
+		capacityFld := fldPath.Child("capacity")
+
+		errs := ValidatePositiveField(*nodeSwapStatus.Capacity, capacityFld)
+		if len(errs) > 0 {
+			allErrors = append(allErrors, errs...)
+		}
+	}
+
+	return allErrors
+}

pkg/apis/core/validation/validation_test.go

@@ -26758,3 +26758,64 @@ func TestValidatePodResize(t *testing.T) {
 		})
 	}
 }
+
+func TestValidateNodeSwapStatus(t *testing.T) {
+	makeNode := func(nodeSwapStatus *core.NodeSwapStatus) core.Node {
+		node := makeNode("test-node", nil)
+		node.Status.NodeInfo.Swap = nodeSwapStatus
+
+		return node
+	}
+	makeSwapStatus := func(capacity int64) *core.NodeSwapStatus {
+		return &core.NodeSwapStatus{
+			Capacity: ptr.To(capacity),
+		}
+	}
+
+	testCases := []struct {
+		name        string
+		expectError bool
+		node        core.Node
+	}{
+		{
+			name:        "node with nil nodeSwapStatus",
+			expectError: false,
+			node:        makeNode(nil),
+		},
+		{
+			name:        "node with nil nodeSwapStatus.Capacity",
+			expectError: false,
+			node:        makeNode(&core.NodeSwapStatus{}),
+		},
+		{
+			name:        "node with positive capacity",
+			expectError: false,
+			node:        makeNode(makeSwapStatus(123456)),
+		},
+		{
+			name:        "node with zero capacity should be invalid (nodeSwapStatus should be nil)",
+			expectError: true,
+			node:        makeNode(makeSwapStatus(0)),
+		},
+		{
+			name:        "node with negative capacity should be invalid",
+			expectError: true,
+			node:        makeNode(makeSwapStatus(-123456)),
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			errs := ValidateNode(&tc.node)
+
+			if len(errs) == 0 && tc.expectError {
+				t.Errorf("expected failure for %s, but there were none", tc.name)
+				return
+			}
+			if len(errs) != 0 && !tc.expectError {
+				t.Errorf("expected success for %s, but there were errors: %v", tc.name, errs)
+				return
+			}
+		})
+	}
+}

pkg/apis/core/zz_generated.deepcopy.go

@@ -3004,7 +3004,7 @@ func (in *NodeStatus) DeepCopyInto(out *NodeStatus) {
 		copy(*out, *in)
 	}
 	out.DaemonEndpoints = in.DaemonEndpoints
-	out.NodeInfo = in.NodeInfo
+	in.NodeInfo.DeepCopyInto(&out.NodeInfo)
 	if in.Images != nil {
 		in, out := &in.Images, &out.Images
 		*out = make([]ContainerImage, len(*in))
@@ -3052,9 +3052,35 @@ func (in *NodeStatus) DeepCopy() *NodeStatus {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeSwapStatus) DeepCopyInto(out *NodeSwapStatus) {
+	*out = *in
+	if in.Capacity != nil {
+		in, out := &in.Capacity, &out.Capacity
+		*out = new(int64)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeSwapStatus.
+func (in *NodeSwapStatus) DeepCopy() *NodeSwapStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeSwapStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *NodeSystemInfo) DeepCopyInto(out *NodeSystemInfo) {
 	*out = *in
+	if in.Swap != nil {
+		in, out := &in.Swap, &out.Swap
+		*out = new(NodeSwapStatus)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 

pkg/generated/openapi/zz_generated.openapi.go

@@ -510,6 +510,7 @@ func GetOpenAPIDefinitions(ref common.ReferenceCallback) map[string]common.OpenA
 		"k8s.io/api/core/v1.NodeSelectorTerm":                                                                   schema_k8sio_api_core_v1_NodeSelectorTerm(ref),
 		"k8s.io/api/core/v1.NodeSpec":                                                                           schema_k8sio_api_core_v1_NodeSpec(ref),
 		"k8s.io/api/core/v1.NodeStatus":                                                                         schema_k8sio_api_core_v1_NodeStatus(ref),
+		"k8s.io/api/core/v1.NodeSwapStatus":                                                                     schema_k8sio_api_core_v1_NodeSwapStatus(ref),
 		"k8s.io/api/core/v1.NodeSystemInfo":                                                                     schema_k8sio_api_core_v1_NodeSystemInfo(ref),
 		"k8s.io/api/core/v1.ObjectFieldSelector":                                                                schema_k8sio_api_core_v1_ObjectFieldSelector(ref),
 		"k8s.io/api/core/v1.ObjectReference":                                                                    schema_k8sio_api_core_v1_ObjectReference(ref),
@@ -26150,6 +26151,26 @@ func schema_k8sio_api_core_v1_NodeStatus(ref common.ReferenceCallback) common.Op
 	}
 }
 
+func schema_k8sio_api_core_v1_NodeSwapStatus(ref common.ReferenceCallback) common.OpenAPIDefinition {
+	return common.OpenAPIDefinition{
+		Schema: spec.Schema{
+			SchemaProps: spec.SchemaProps{
+				Description: "NodeSwapStatus represents swap memory information.",
+				Type:        []string{"object"},
+				Properties: map[string]spec.Schema{
+					"capacity": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Total amount of swap memory in bytes.",
+							Type:        []string{"integer"},
+							Format:      "int64",
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
 func schema_k8sio_api_core_v1_NodeSystemInfo(ref common.ReferenceCallback) common.OpenAPIDefinition {
 	return common.OpenAPIDefinition{
 		Schema: spec.Schema{
@@ -26237,10 +26258,18 @@ func schema_k8sio_api_core_v1_NodeSystemInfo(ref common.ReferenceCallback) commo
 							Format:      "",
 						},
 					},
+					"swap": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Swap Info reported by the node.",
+							Ref:         ref("k8s.io/api/core/v1.NodeSwapStatus"),
+						},
+					},
 				},
 				Required: []string{"machineID", "systemUUID", "bootID", "kernelVersion", "osImage", "containerRuntimeVersion", "kubeletVersion", "kubeProxyVersion", "operatingSystem", "architecture"},
 			},
 		},
+		Dependencies: []string{
+			"k8s.io/api/core/v1.NodeSwapStatus"},
 	}
 }
 

pkg/kubelet/nodestatus/setters.go

@@ -44,6 +44,7 @@ import (
 	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
 	"k8s.io/kubernetes/pkg/kubelet/events"
 	netutils "k8s.io/utils/net"
+	"k8s.io/utils/ptr"
 
 	"k8s.io/klog/v2"
 )
@@ -354,6 +355,12 @@ func MachineInfo(nodeName string,
 				// node status.
 				node.Status.Capacity[v1.ResourceName(removedResource)] = *resource.NewQuantity(int64(0), resource.DecimalSI)
 			}
+
+			if utilfeature.DefaultFeatureGate.Enabled(features.NodeSwap) && info.SwapCapacity != 0 {
+				node.Status.NodeInfo.Swap = &v1.NodeSwapStatus{
+					Capacity: ptr.To(int64(info.SwapCapacity)),
+				}
+			}
 		}
 
 		// Set Allocatable.

pkg/kubelet/nodestatus/setters_test.go

@@ -40,6 +40,7 @@ import (
 	utilfeature "k8s.io/apiserver/pkg/util/feature"
 	cloudprovider "k8s.io/cloud-provider"
 	fakecloud "k8s.io/cloud-provider/fake"
+	"k8s.io/component-base/featuregate"
 	featuregatetesting "k8s.io/component-base/featuregate/testing"
 	"k8s.io/component-base/version"
 	"k8s.io/kubernetes/pkg/features"
@@ -49,6 +50,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubelet/events"
 	"k8s.io/kubernetes/pkg/kubelet/util/sliceutils"
 	netutils "k8s.io/utils/net"
+	"k8s.io/utils/ptr"
 )
 
 const (
@@ -911,6 +913,7 @@ func TestMachineInfo(t *testing.T) {
 		expectNode                           *v1.Node
 		expectEvents                         []testEvent
 		disableLocalStorageCapacityIsolation bool
+		featureGateDependencies              []featuregate.Feature
 	}{
 		{
 			desc:    "machine identifiers, basic capacity and allocatable",
@@ -1330,9 +1333,48 @@ func TestMachineInfo(t *testing.T) {
 				},
 			},
 		},
+		{
+			desc: "with swap info",
+			node: &v1.Node{},
+			machineInfo: &cadvisorapiv1.MachineInfo{
+				SwapCapacity: uint64(20 * 1024 * 1024 * 1024),
+			},
+			expectNode: &v1.Node{
+				Status: v1.NodeStatus{
+					NodeInfo: v1.NodeSystemInfo{
+						Swap: &v1.NodeSwapStatus{
+							Capacity: ptr.To(int64(20 * 1024 * 1024 * 1024)),
+						},
+					},
+					Capacity: v1.ResourceList{
+						v1.ResourceCPU:    *resource.NewMilliQuantity(0, resource.DecimalSI),
+						v1.ResourceMemory: *resource.NewQuantity(0, resource.BinarySI),
+						v1.ResourcePods:   *resource.NewQuantity(0, resource.DecimalSI),
+					},
+					Allocatable: v1.ResourceList{
+						v1.ResourceCPU:    *resource.NewMilliQuantity(0, resource.DecimalSI),
+						v1.ResourceMemory: *resource.NewQuantity(0, resource.BinarySI),
+						v1.ResourcePods:   *resource.NewQuantity(0, resource.DecimalSI),
+					},
+				},
+			},
+			featureGateDependencies: []featuregate.Feature{features.NodeSwap},
+		},
 	}
 
 	for _, tc := range cases {
+		featureGatesMissing := false
+		for _, featureGateDependency := range tc.featureGateDependencies {
+			if !utilfeature.DefaultFeatureGate.Enabled(featureGateDependency) {
+				featureGatesMissing = true
+				break
+			}
+		}
+
+		if featureGatesMissing {
+			continue
+		}
+
 		t.Run(tc.desc, func(t *testing.T) {
 			ctx := context.Background()
 			machineInfoFunc := func() (*cadvisorapiv1.MachineInfo, error) {

staging/src/k8s.io/api/core/v1/generated.proto

@@ -2872,6 +2872,13 @@ message NodeStatus {
   optional NodeFeatures features = 13;
 }
 
+// NodeSwapStatus represents swap memory information.
+message NodeSwapStatus {
+  // Total amount of swap memory in bytes.
+  // +optional
+  optional int64 capacity = 1;
+}
+
 // NodeSystemInfo is a set of ids/uuids to uniquely identify the node.
 message NodeSystemInfo {
   // MachineID reported by the node. For unique machine identification
@@ -2907,6 +2914,9 @@ message NodeSystemInfo {
 
   // The Architecture reported by the node
   optional string architecture = 10;
+
+  // Swap Info reported by the node.
+  optional NodeSwapStatus swap = 11;
 }
 
 // ObjectFieldSelector selects an APIVersioned field of an object.

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

@@ -6213,6 +6213,15 @@ type NodeSystemInfo struct {
 	OperatingSystem string `json:"operatingSystem" protobuf:"bytes,9,opt,name=operatingSystem"`
 	// The Architecture reported by the node
 	Architecture string `json:"architecture" protobuf:"bytes,10,opt,name=architecture"`
+	// Swap Info reported by the node.
+	Swap *NodeSwapStatus `json:"swap,omitempty" protobuf:"bytes,11,opt,name=swap"`
+}
+
+// NodeSwapStatus represents swap memory information.
+type NodeSwapStatus struct {
+	// Total amount of swap memory in bytes.
+	// +optional
+	Capacity *int64 `json:"capacity,omitempty" protobuf:"varint,1,opt,name=capacity"`
 }
 
 // NodeConfigStatus describes the status of the config assigned by Node.Spec.ConfigSource.

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

@@ -1335,6 +1335,15 @@ func (NodeStatus) SwaggerDoc() map[string]string {
 	return map_NodeStatus
 }
 
+var map_NodeSwapStatus = map[string]string{
+	"":         "NodeSwapStatus represents swap memory information.",
+	"capacity": "Total amount of swap memory in bytes.",
+}
+
+func (NodeSwapStatus) SwaggerDoc() map[string]string {
+	return map_NodeSwapStatus
+}
+
 var map_NodeSystemInfo = map[string]string{
 	"":                        "NodeSystemInfo is a set of ids/uuids to uniquely identify the node.",
 	"machineID":               "MachineID reported by the node. For unique machine identification in the cluster this field is preferred. Learn more from man(5) machine-id: http://man7.org/linux/man-pages/man5/machine-id.5.html",
@@ -1347,6 +1356,7 @@ var map_NodeSystemInfo = map[string]string{
 	"kubeProxyVersion":        "Deprecated: KubeProxy Version reported by the node.",
 	"operatingSystem":         "The Operating System reported by the node",
 	"architecture":            "The Architecture reported by the node",
+	"swap":                    "Swap Info reported by the node.",
 }
 
 func (NodeSystemInfo) SwaggerDoc() map[string]string {

staging/src/k8s.io/api/core/v1/zz_generated.deepcopy.go

@@ -3002,7 +3002,7 @@ func (in *NodeStatus) DeepCopyInto(out *NodeStatus) {
 		copy(*out, *in)
 	}
 	out.DaemonEndpoints = in.DaemonEndpoints
-	out.NodeInfo = in.NodeInfo
+	in.NodeInfo.DeepCopyInto(&out.NodeInfo)
 	if in.Images != nil {
 		in, out := &in.Images, &out.Images
 		*out = make([]ContainerImage, len(*in))
@@ -3050,9 +3050,35 @@ func (in *NodeStatus) DeepCopy() *NodeStatus {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeSwapStatus) DeepCopyInto(out *NodeSwapStatus) {
+	*out = *in
+	if in.Capacity != nil {
+		in, out := &in.Capacity, &out.Capacity
+		*out = new(int64)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeSwapStatus.
+func (in *NodeSwapStatus) DeepCopy() *NodeSwapStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeSwapStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *NodeSystemInfo) DeepCopyInto(out *NodeSystemInfo) {
 	*out = *in
+	if in.Swap != nil {
+		in, out := &in.Swap, &out.Swap
+		*out = new(NodeSwapStatus)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 

staging/src/k8s.io/api/testdata/HEAD/core.v1.Node.json

@@ -108,7 +108,10 @@
       "kubeletVersion": "kubeletVersionValue",
       "kubeProxyVersion": "kubeProxyVersionValue",
       "operatingSystem": "operatingSystemValue",
-      "architecture": "architectureValue"
+      "architecture": "architectureValue",
+      "swap": {
+        "capacity": 1
+      }
     },
     "images": [
       {

staging/src/k8s.io/api/testdata/HEAD/core.v1.Node.yaml

@@ -108,6 +108,8 @@ status:
     machineID: machineIDValue
     operatingSystem: operatingSystemValue
     osImage: osImageValue
+    swap:
+      capacity: 1
     systemUUID: systemUUIDValue
   phase: phaseValue
   runtimeHandlers:

staging/src/k8s.io/client-go/applyconfigurations/core/v1/nodeswapstatus.go

@@ -0,0 +1,39 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1
+
+// NodeSwapStatusApplyConfiguration represents a declarative configuration of the NodeSwapStatus type for use
+// with apply.
+type NodeSwapStatusApplyConfiguration struct {
+	Capacity *int64 `json:"capacity,omitempty"`
+}
+
+// NodeSwapStatusApplyConfiguration constructs a declarative configuration of the NodeSwapStatus type for use with
+// apply.
+func NodeSwapStatus() *NodeSwapStatusApplyConfiguration {
+	return &NodeSwapStatusApplyConfiguration{}
+}
+
+// WithCapacity sets the Capacity field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Capacity field is set to the value of the last call.
+func (b *NodeSwapStatusApplyConfiguration) WithCapacity(value int64) *NodeSwapStatusApplyConfiguration {
+	b.Capacity = &value
+	return b
+}

staging/src/k8s.io/client-go/applyconfigurations/core/v1/nodesysteminfo.go

@@ -21,16 +21,17 @@ package v1
 // NodeSystemInfoApplyConfiguration represents a declarative configuration of the NodeSystemInfo type for use
 // with apply.
 type NodeSystemInfoApplyConfiguration struct {
-	MachineID               *string `json:"machineID,omitempty"`
-	SystemUUID              *string `json:"systemUUID,omitempty"`
-	BootID                  *string `json:"bootID,omitempty"`
-	KernelVersion           *string `json:"kernelVersion,omitempty"`
-	OSImage                 *string `json:"osImage,omitempty"`
-	ContainerRuntimeVersion *string `json:"containerRuntimeVersion,omitempty"`
-	KubeletVersion          *string `json:"kubeletVersion,omitempty"`
-	KubeProxyVersion        *string `json:"kubeProxyVersion,omitempty"`
-	OperatingSystem         *string `json:"operatingSystem,omitempty"`
-	Architecture            *string `json:"architecture,omitempty"`
+	MachineID               *string                           `json:"machineID,omitempty"`
+	SystemUUID              *string                           `json:"systemUUID,omitempty"`
+	BootID                  *string                           `json:"bootID,omitempty"`
+	KernelVersion           *string                           `json:"kernelVersion,omitempty"`
+	OSImage                 *string                           `json:"osImage,omitempty"`
+	ContainerRuntimeVersion *string                           `json:"containerRuntimeVersion,omitempty"`
+	KubeletVersion          *string                           `json:"kubeletVersion,omitempty"`
+	KubeProxyVersion        *string                           `json:"kubeProxyVersion,omitempty"`
+	OperatingSystem         *string                           `json:"operatingSystem,omitempty"`
+	Architecture            *string                           `json:"architecture,omitempty"`
+	Swap                    *NodeSwapStatusApplyConfiguration `json:"swap,omitempty"`
 }
 
 // NodeSystemInfoApplyConfiguration constructs a declarative configuration of the NodeSystemInfo type for use with
@@ -118,3 +119,11 @@ func (b *NodeSystemInfoApplyConfiguration) WithArchitecture(value string) *NodeS
 	b.Architecture = &value
 	return b
 }
+
+// WithSwap sets the Swap field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Swap field is set to the value of the last call.
+func (b *NodeSystemInfoApplyConfiguration) WithSwap(value *NodeSwapStatusApplyConfiguration) *NodeSystemInfoApplyConfiguration {
+	b.Swap = value
+	return b
+}

staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go

@@ -6528,6 +6528,12 @@ var schemaYAML = typed.YAMLObject(`types:
           elementType:
             scalar: string
           elementRelationship: atomic
+- name: io.k8s.api.core.v1.NodeSwapStatus
+  map:
+    fields:
+    - name: capacity
+      type:
+        scalar: numeric
 - name: io.k8s.api.core.v1.NodeSystemInfo
   map:
     fields:
@@ -6567,6 +6573,9 @@ var schemaYAML = typed.YAMLObject(`types:
       type:
         scalar: string
       default: ""
+    - name: swap
+      type:
+        namedType: io.k8s.api.core.v1.NodeSwapStatus
     - name: systemUUID
       type:
         scalar: string

staging/src/k8s.io/client-go/applyconfigurations/utils.go

@@ -856,6 +856,8 @@ func ForKind(kind schema.GroupVersionKind) interface{} {
 		return &applyconfigurationscorev1.NodeSpecApplyConfiguration{}
 	case corev1.SchemeGroupVersion.WithKind("NodeStatus"):
 		return &applyconfigurationscorev1.NodeStatusApplyConfiguration{}
+	case corev1.SchemeGroupVersion.WithKind("NodeSwapStatus"):
+		return &applyconfigurationscorev1.NodeSwapStatusApplyConfiguration{}
 	case corev1.SchemeGroupVersion.WithKind("NodeSystemInfo"):
 		return &applyconfigurationscorev1.NodeSystemInfoApplyConfiguration{}
 	case corev1.SchemeGroupVersion.WithKind("ObjectFieldSelector"):