Modified LimitRangeItem.Kind to LimitRangeItem.Type, added example files

cmd/kube-apiserver/plugins.go

@@ -28,5 +28,6 @@ import (
 
 	_ "github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/admission/admit"
 	_ "github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/admission/deny"
+	_ "github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/admission/limitranger"
 	_ "github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/admission/resourcedefaults"
 )

examples/limitrange/invalid-pod.json

@@ -0,0 +1,18 @@
+{
+  "id": "invalid-pod",
+  "kind": "Pod",
+  "apiVersion":"v1beta2",
+  "labels": {
+    "name": "invalid-pod"
+  },
+  "desiredState": {
+    "manifest": {
+      "version": "v1beta1",
+      "id": "invalid-pod",
+      "containers": [{
+        "name": "kubernetes-serve-hostname",
+        "image": "kubernetes/serve_hostname",        
+      }]
+    }
+  },
+}

examples/limitrange/limit-range.json

@@ -5,7 +5,7 @@
   "spec": {
     "limits": [
     {
-      "kind": "pods",
+      "type": "Pod",
       "max": {
         "memory": "1073741824",
         "cpu": "2",
@@ -16,7 +16,7 @@
       }
     },
     {
-      "kind": "containers",
+      "type": "Container",
       "max": {
         "memory": "1073741824",
         "cpu": "2",

examples/limitrange/valid-pod.json

@@ -0,0 +1,20 @@
+{
+  "id": "valid-pod",
+  "kind": "Pod",
+  "apiVersion":"v1beta2",
+  "labels": {
+    "name": "valid-pod"
+  },
+  "desiredState": {
+    "manifest": {
+      "version": "v1beta1",
+      "id": "invalid-pod",
+      "containers": [{
+        "name": "kubernetes-serve-hostname",
+        "image": "kubernetes/serve_hostname",        
+        "cpu": 1000,
+        "memory": 1048576,
+      }]
+    }
+  },
+}

pkg/api/types.go

@@ -1139,10 +1139,17 @@ type List struct {
 	Items []runtime.Object `json:"items"`
 }
 
+const (
+	// Limit that applies to all pods in a namespace
+	LimitTypePod string = "Pod"
+	// Limit that applies to all containers in a namespace
+	LimitTypeContainer string = "Container"
+)
+
 // LimitRangeItem defines a min/max usage limit for any resource that matches on kind
 type LimitRangeItem struct {
-	// Kind is the resource kind that this limit range is applied (i.e. pods, etc.)
+	// Type of resource that this limit applies to
-	Kind string
+	Type string `json:"type,omitempty"`
 	// Max usage constraints on this kind by resource name
 	Max ResourceList `json:"max,omitempty"`
 	// Min usage constraints on this kind by resource name

pkg/api/v1beta1/conversion.go

@@ -614,7 +614,7 @@ func init() {
 		},
 		func(in *newer.LimitRangeItem, out *LimitRangeItem, s conversion.Scope) error {
 			*out = LimitRangeItem{}
-			out.Kind = in.Kind
+			out.Type = in.Type
 			if err := s.Convert(&in.Max, &out.Max, 0); err != nil {
 				return err
 			}
@@ -625,7 +625,7 @@ func init() {
 		},
 		func(in *LimitRangeItem, out *newer.LimitRangeItem, s conversion.Scope) error {
 			*out = newer.LimitRangeItem{}
-			out.Kind = in.Kind
+			out.Type = in.Type
 			if err := s.Convert(&in.Max, &out.Max, 0); err != nil {
 				return err
 			}

pkg/api/v1beta1/types.go

@@ -905,10 +905,17 @@ type List struct {
 	Items    []runtime.RawExtension `json:"items" description:"list of objects"`
 }
 
+const (
+	// Limit that applies to all pods in a namespace
+	LimitTypePod string = "Pod"
+	// Limit that applies to all containers in a namespace
+	LimitTypeContainer string = "Container"
+)
+
 // LimitRangeItem defines a min/max usage limit for any resource that matches on kind
 type LimitRangeItem struct {
-	// Kind is the resource kind that this limit range is applied (i.e. pods, etc.)
+	// Type of resource that this limit applies to
-	Kind string
+	Type string `json:"type,omitempty"`
 	// Max usage constraints on this kind by resource name
 	Max ResourceList `json:"max,omitempty"`
 	// Min usage constraints on this kind by resource name

pkg/api/v1beta2/conversion.go

@@ -531,7 +531,7 @@ func init() {
 		},
 		func(in *newer.LimitRangeItem, out *LimitRangeItem, s conversion.Scope) error {
 			*out = LimitRangeItem{}
-			out.Kind = in.Kind
+			out.Type = in.Type
 			if err := s.Convert(&in.Max, &out.Max, 0); err != nil {
 				return err
 			}
@@ -542,7 +542,7 @@ func init() {
 		},
 		func(in *LimitRangeItem, out *newer.LimitRangeItem, s conversion.Scope) error {
 			*out = newer.LimitRangeItem{}
-			out.Kind = in.Kind
+			out.Type = in.Type
 			if err := s.Convert(&in.Max, &out.Max, 0); err != nil {
 				return err
 			}

pkg/api/v1beta2/types.go

@@ -907,10 +907,17 @@ type List struct {
 	Items    []runtime.RawExtension `json:"items" description:"list of objects"`
 }
 
+const (
+	// Limit that applies to all pods in a namespace
+	LimitTypePod string = "Pod"
+	// Limit that applies to all containers in a namespace
+	LimitTypeContainer string = "Container"
+)
+
 // LimitRangeItem defines a min/max usage limit for any resource that matches on kind
 type LimitRangeItem struct {
-	// Kind is the resource kind that this limit range is applied (i.e. pods, etc.)
+	// Type of resource that this limit applies to
-	Kind string
+	Type string `json:"type,omitempty"`
 	// Max usage constraints on this kind by resource name
 	Max ResourceList `json:"max,omitempty"`
 	// Min usage constraints on this kind by resource name

pkg/api/v1beta3/types.go

@@ -1067,10 +1067,17 @@ type List struct {
 	Items []runtime.RawExtension `json:"items" description:"list of objects"`
 }
 
+const (
+	// Limit that applies to all pods in a namespace
+	LimitTypePod string = "Pod"
+	// Limit that applies to all containers in a namespace
+	LimitTypeContainer string = "Container"
+)
+
 // LimitRangeItem defines a min/max usage limit for any resource that matches on kind
 type LimitRangeItem struct {
-	// Kind is the resource kind that this limit range is applied (i.e. pods, etc.)
+	// Type of resource that this limit applies to
-	Kind string
+	Type string `json:"type,omitempty"`
 	// Max usage constraints on this kind by resource name
 	Max ResourceList `json:"max,omitempty"`
 	// Min usage constraints on this kind by resource name

pkg/api/validation/validation_test.go

@@ -1563,7 +1563,7 @@ func TestValidateLimitRange(t *testing.T) {
 			Spec: api.LimitRangeSpec{
 				Limits: []api.LimitRangeItem{
 					{
-						Kind: "pods",
+						Type: api.LimitTypePod,
 						Max: api.ResourceList{
 							api.ResourceCPU:    resource.MustParse("100"),
 							api.ResourceMemory: resource.MustParse("10000"),
@@ -1592,7 +1592,7 @@ func TestValidateLimitRange(t *testing.T) {
 			Spec: api.LimitRangeSpec{
 				Limits: []api.LimitRangeItem{
 					{
-						Kind: "pods",
+						Type: api.LimitTypePod,
 						Max: api.ResourceList{
 							api.ResourceCPU:    resource.MustParse("100"),
 							api.ResourceMemory: resource.MustParse("10000"),
@@ -1613,7 +1613,7 @@ func TestValidateLimitRange(t *testing.T) {
 			Spec: api.LimitRangeSpec{
 				Limits: []api.LimitRangeItem{
 					{
-						Kind: "pods",
+						Type: api.LimitTypePod,
 						Max: api.ResourceList{
 							api.ResourceCPU:    resource.MustParse("100"),
 							api.ResourceMemory: resource.MustParse("10000"),

pkg/client/limit_ranges_test.go

@@ -34,7 +34,7 @@ func TestLimitRangeCreate(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100"),
 						api.ResourceMemory: resource.MustParse("10000"),
@@ -70,7 +70,7 @@ func TestLimitRangeGet(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100"),
 						api.ResourceMemory: resource.MustParse("10000"),
@@ -130,7 +130,7 @@ func TestLimitRangeUpdate(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100"),
 						api.ResourceMemory: resource.MustParse("10000"),
@@ -160,7 +160,7 @@ func TestInvalidLimitRangeUpdate(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100"),
 						api.ResourceMemory: resource.MustParse("10000"),

pkg/kubectl/describe.go

@@ -68,11 +68,10 @@ func (d *LimitRangeDescriber) Describe(namespace, name string) (string, error) {
 
 	return tabbedString(func(out io.Writer) error {
 		fmt.Fprintf(out, "Name:\t%s\n", limitRange.Name)
-		fmt.Fprintf(out, "Kind\tResource\tMin\tMax\n")
+		fmt.Fprintf(out, "Type\tResource\tMin\tMax\n")
 		fmt.Fprintf(out, "----\t--------\t---\t---\n")
 		for i, _ := range limitRange.Spec.Limits {
 			item := limitRange.Spec.Limits[i]
-			kind := item.Kind
 			maxResources := item.Max
 			minResources := item.Min
 
@@ -100,7 +99,7 @@ func (d *LimitRangeDescriber) Describe(namespace, name string) (string, error) {
 				}
 
 				msg := "%v\t%v\t%v\t%v\n"
-				fmt.Fprintf(out, msg, kind, k, minValue, maxValue)
+				fmt.Fprintf(out, msg, item.Type, k, minValue, maxValue)
 			}
 		}
 		return nil

pkg/registry/limitrange/registry_test.go

@@ -49,7 +49,7 @@ func TestLimitRangeCreate(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100"),
 						api.ResourceMemory: resource.MustParse("10000"),

plugin/pkg/admission/limitranger/admission.go

@@ -131,21 +131,21 @@ func PodLimitFunc(limitRange *api.LimitRange, kind string, obj runtime.Object) e
 			switch k {
 			case api.ResourceMemory:
 				enforced = v.Value()
-				switch limit.Kind {
+				switch limit.Type {
-				case "pods":
+				case api.LimitTypePod:
 					observed = podMem
 					err = fmt.Errorf("Maximum memory usage per pod is %s", v.String())
-				case "containers":
+				case api.LimitTypeContainer:
 					observed = maxContainerMem
 					err = fmt.Errorf("Maximum memory usage per container is %s", v.String())
 				}
 			case api.ResourceCPU:
 				enforced = v.MilliValue()
-				switch limit.Kind {
+				switch limit.Type {
-				case "pods":
+				case api.LimitTypePod:
 					observed = podCPU
 					err = fmt.Errorf("Maximum CPU usage per pod is %s, but requested %s", v.String(), resource.NewMilliQuantity(observed, resource.DecimalSI))
-				case "containers":
+				case api.LimitTypeContainer:
 					observed = maxContainerCPU
 					err = fmt.Errorf("Maximum CPU usage per container is %s", v.String())
 				}
@@ -161,21 +161,21 @@ func PodLimitFunc(limitRange *api.LimitRange, kind string, obj runtime.Object) e
 			switch k {
 			case api.ResourceMemory:
 				enforced = v.Value()
-				switch limit.Kind {
+				switch limit.Type {
-				case "pods":
+				case api.LimitTypePod:
 					observed = podMem
 					err = fmt.Errorf("Minimum memory usage per pod is %s", v.String())
-				case "containers":
+				case api.LimitTypeContainer:
 					observed = maxContainerMem
 					err = fmt.Errorf("Minimum memory usage per container is %s", v.String())
 				}
 			case api.ResourceCPU:
 				enforced = v.MilliValue()
-				switch limit.Kind {
+				switch limit.Type {
-				case "pods":
+				case api.LimitTypePod:
 					observed = podCPU
 					err = fmt.Errorf("Minimum CPU usage per pod is %s", v.String())
-				case "containers":
+				case api.LimitTypeContainer:
 					observed = maxContainerCPU
 					err = fmt.Errorf("Minimum CPU usage per container is %s", v.String())
 				}

plugin/pkg/admission/limitranger/admission_test.go

@@ -31,7 +31,7 @@ func TestPodLimitFunc(t *testing.T) {
 		Spec: api.LimitRangeSpec{
 			Limits: []api.LimitRangeItem{
 				{
-					Kind: "pods",
+					Type: api.LimitTypePod,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("200m"),
 						api.ResourceMemory: resource.MustParse("4Gi"),
@@ -42,7 +42,7 @@ func TestPodLimitFunc(t *testing.T) {
 					},
 				},
 				{
-					Kind: "containers",
+					Type: api.LimitTypeContainer,
 					Max: api.ResourceList{
 						api.ResourceCPU:    resource.MustParse("100m"),
 						api.ResourceMemory: resource.MustParse("2Gi"),