Adding defaults to Deployment

pkg/api/testing/fuzzer.go

@@ -17,6 +17,7 @@ limitations under the License.
 package testing
 
 import (
+	"fmt"
 	"math/rand"
 	"reflect"
 	"strconv"
@@ -120,8 +121,23 @@ func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer {
 			c.FuzzNoCustom(j) // fuzz self without calling this function again
 			//j.TemplateRef = nil // this is required for round trip
 		},
-		func(j *expapi.DaemonSpec, c fuzz.Continue) {
+		func(j *expapi.DeploymentStrategy, c fuzz.Continue) {
 			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			// Ensure that strategyType is one of valid values.
+			strategyTypes := []expapi.DeploymentType{expapi.DeploymentRecreate, expapi.DeploymentRollingUpdate}
+			j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
+			if j.Type != expapi.DeploymentRollingUpdate {
+				j.RollingUpdate = nil
+			} else {
+				rollingUpdate := expapi.RollingUpdateDeployment{}
+				if c.RandBool() {
+					rollingUpdate.MaxUnavailable = util.NewIntOrStringFromInt(int(c.RandUint64()))
+					rollingUpdate.MaxSurge = util.NewIntOrStringFromInt(int(c.RandUint64()))
+				} else {
+					rollingUpdate.MaxSurge = util.NewIntOrStringFromString(fmt.Sprintf("%d%%", c.RandUint64()))
+				}
+				j.RollingUpdate = &rollingUpdate
+			}
 		},
 		func(j *api.List, c fuzz.Continue) {
 			c.FuzzNoCustom(j) // fuzz self without calling this function again

pkg/expapi/deep_copy_generated.go

@@ -822,12 +822,7 @@ func deepCopy_expapi_DeploymentSpec(in DeploymentSpec, out *DeploymentSpec, c *c
 	if err := deepCopy_expapi_DeploymentStrategy(in.Strategy, &out.Strategy, c); err != nil {
 		return err
 	}
-	if in.UniqueLabelKey != nil {
+	out.UniqueLabelKey = in.UniqueLabelKey
-		out.UniqueLabelKey = new(string)
-		*out.UniqueLabelKey = *in.UniqueLabelKey
-	} else {
-		out.UniqueLabelKey = nil
-	}
 	return nil
 }
 

pkg/expapi/types.go

@@ -199,7 +199,7 @@ type DeploymentSpec struct {
 	// not add any selector and label. If unspecified, system uses
 	// "deployment.kubernetes.io/podTemplateHash".
 	// Value of this key is hash of DeploymentSpec.PodTemplateSpec.
-	UniqueLabelKey *string `json:"uniqueLabel,omitempty"`
+	UniqueLabelKey string `json:"uniqueLabelKey,omitempty"`
 }
 
 type DeploymentStrategy struct {

pkg/expapi/v1/conversion.go

@@ -23,6 +23,7 @@ import (
 	v1 "k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/conversion"
 	"k8s.io/kubernetes/pkg/expapi"
+	"k8s.io/kubernetes/pkg/util"
 )
 
 func addConversionFuncs() {
@@ -32,7 +33,10 @@ func addConversionFuncs() {
 		convert_v1_PodSpec_To_api_PodSpec,
 		convert_expapi_DeploymentSpec_To_v1_DeploymentSpec,
 		convert_v1_DeploymentSpec_To_expapi_DeploymentSpec,
+		convert_expapi_DeploymentStrategy_To_v1_DeploymentStrategy,
 		convert_v1_DeploymentStrategy_To_expapi_DeploymentStrategy,
+		convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment,
+		convert_v1_RollingUpdateDeployment_To_expapi_RollingUpdateDeployment,
 	)
 	if err != nil {
 		// If one of the conversion functions is malformed, detect it immediately.
@@ -199,12 +203,8 @@ func convert_expapi_DeploymentSpec_To_v1_DeploymentSpec(in *expapi.DeploymentSpe
 	if err := convert_expapi_DeploymentStrategy_To_v1_DeploymentStrategy(&in.Strategy, &out.Strategy, s); err != nil {
 		return err
 	}
-	if in.UniqueLabelKey != nil {
 	out.UniqueLabelKey = new(string)
-		*out.UniqueLabelKey = *in.UniqueLabelKey
+	*out.UniqueLabelKey = in.UniqueLabelKey
-	} else {
-		out.UniqueLabelKey = nil
-	}
 	return nil
 }
 
@@ -235,10 +235,23 @@ func convert_v1_DeploymentSpec_To_expapi_DeploymentSpec(in *DeploymentSpec, out
 		return err
 	}
 	if in.UniqueLabelKey != nil {
-		out.UniqueLabelKey = new(string)
+		out.UniqueLabelKey = *in.UniqueLabelKey
-		*out.UniqueLabelKey = *in.UniqueLabelKey
+	}
+	return nil
+}
+
+func convert_expapi_DeploymentStrategy_To_v1_DeploymentStrategy(in *expapi.DeploymentStrategy, out *DeploymentStrategy, s conversion.Scope) error {
+	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
+		defaulting.(func(*expapi.DeploymentStrategy))(in)
+	}
+	out.Type = DeploymentType(in.Type)
+	if in.RollingUpdate != nil {
+		out.RollingUpdate = new(RollingUpdateDeployment)
+		if err := convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment(in.RollingUpdate, out.RollingUpdate, s); err != nil {
+			return err
+		}
 	} else {
-		out.UniqueLabelKey = nil
+		out.RollingUpdate = nil
 	}
 	return nil
 }
@@ -258,3 +271,37 @@ func convert_v1_DeploymentStrategy_To_expapi_DeploymentStrategy(in *DeploymentSt
 	}
 	return nil
 }
+
+func convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment(in *expapi.RollingUpdateDeployment, out *RollingUpdateDeployment, s conversion.Scope) error {
+	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
+		defaulting.(func(*expapi.RollingUpdateDeployment))(in)
+	}
+	if out.MaxUnavailable == nil {
+		out.MaxUnavailable = &util.IntOrString{}
+	}
+	if err := s.Convert(&in.MaxUnavailable, out.MaxUnavailable, 0); err != nil {
+		return err
+	}
+	if out.MaxSurge == nil {
+		out.MaxSurge = &util.IntOrString{}
+	}
+	if err := s.Convert(&in.MaxSurge, out.MaxSurge, 0); err != nil {
+		return err
+	}
+	out.MinReadySeconds = in.MinReadySeconds
+	return nil
+}
+
+func convert_v1_RollingUpdateDeployment_To_expapi_RollingUpdateDeployment(in *RollingUpdateDeployment, out *expapi.RollingUpdateDeployment, s conversion.Scope) error {
+	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
+		defaulting.(func(*RollingUpdateDeployment))(in)
+	}
+	if err := s.Convert(in.MaxUnavailable, &out.MaxUnavailable, 0); err != nil {
+		return err
+	}
+	if err := s.Convert(in.MaxSurge, &out.MaxSurge, 0); err != nil {
+		return err
+	}
+	out.MinReadySeconds = in.MinReadySeconds
+	return nil
+}

pkg/expapi/v1/conversion_generated.go

@@ -1557,22 +1557,6 @@ func convert_expapi_DeploymentStatus_To_v1_DeploymentStatus(in *expapi.Deploymen
 	return nil
 }
 
-func convert_expapi_DeploymentStrategy_To_v1_DeploymentStrategy(in *expapi.DeploymentStrategy, out *DeploymentStrategy, s conversion.Scope) error {
-	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
-		defaulting.(func(*expapi.DeploymentStrategy))(in)
-	}
-	out.Type = DeploymentType(in.Type)
-	if in.RollingUpdate != nil {
-		out.RollingUpdate = new(RollingUpdateDeployment)
-		if err := convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment(in.RollingUpdate, out.RollingUpdate, s); err != nil {
-			return err
-		}
-	} else {
-		out.RollingUpdate = nil
-	}
-	return nil
-}
-
 func convert_expapi_HorizontalPodAutoscaler_To_v1_HorizontalPodAutoscaler(in *expapi.HorizontalPodAutoscaler, out *HorizontalPodAutoscaler, s conversion.Scope) error {
 	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
 		defaulting.(func(*expapi.HorizontalPodAutoscaler))(in)
@@ -1685,20 +1669,6 @@ func convert_expapi_ResourceConsumption_To_v1_ResourceConsumption(in *expapi.Res
 	return nil
 }
 
-func convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment(in *expapi.RollingUpdateDeployment, out *RollingUpdateDeployment, s conversion.Scope) error {
-	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
-		defaulting.(func(*expapi.RollingUpdateDeployment))(in)
-	}
-	if err := s.Convert(&in.MaxUnavailable, &out.MaxUnavailable, 0); err != nil {
-		return err
-	}
-	if err := s.Convert(&in.MaxSurge, &out.MaxSurge, 0); err != nil {
-		return err
-	}
-	out.MinReadySeconds = in.MinReadySeconds
-	return nil
-}
-
 func convert_expapi_Scale_To_v1_Scale(in *expapi.Scale, out *Scale, s conversion.Scope) error {
 	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
 		defaulting.(func(*expapi.Scale))(in)
@@ -2048,20 +2018,6 @@ func convert_v1_ResourceConsumption_To_expapi_ResourceConsumption(in *ResourceCo
 	return nil
 }
 
-func convert_v1_RollingUpdateDeployment_To_expapi_RollingUpdateDeployment(in *RollingUpdateDeployment, out *expapi.RollingUpdateDeployment, s conversion.Scope) error {
-	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
-		defaulting.(func(*RollingUpdateDeployment))(in)
-	}
-	if err := s.Convert(&in.MaxUnavailable, &out.MaxUnavailable, 0); err != nil {
-		return err
-	}
-	if err := s.Convert(&in.MaxSurge, &out.MaxSurge, 0); err != nil {
-		return err
-	}
-	out.MinReadySeconds = in.MinReadySeconds
-	return nil
-}
-
 func convert_v1_Scale_To_expapi_Scale(in *Scale, out *expapi.Scale, s conversion.Scope) error {
 	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
 		defaulting.(func(*Scale))(in)
@@ -2208,7 +2164,6 @@ func init() {
 		convert_expapi_Daemon_To_v1_Daemon,
 		convert_expapi_DeploymentList_To_v1_DeploymentList,
 		convert_expapi_DeploymentStatus_To_v1_DeploymentStatus,
-		convert_expapi_DeploymentStrategy_To_v1_DeploymentStrategy,
 		convert_expapi_Deployment_To_v1_Deployment,
 		convert_expapi_HorizontalPodAutoscalerList_To_v1_HorizontalPodAutoscalerList,
 		convert_expapi_HorizontalPodAutoscalerSpec_To_v1_HorizontalPodAutoscalerSpec,
@@ -2216,7 +2171,6 @@ func init() {
 		convert_expapi_HorizontalPodAutoscaler_To_v1_HorizontalPodAutoscaler,
 		convert_expapi_ReplicationControllerDummy_To_v1_ReplicationControllerDummy,
 		convert_expapi_ResourceConsumption_To_v1_ResourceConsumption,
-		convert_expapi_RollingUpdateDeployment_To_v1_RollingUpdateDeployment,
 		convert_expapi_ScaleSpec_To_v1_ScaleSpec,
 		convert_expapi_ScaleStatus_To_v1_ScaleStatus,
 		convert_expapi_Scale_To_v1_Scale,
@@ -2264,7 +2218,6 @@ func init() {
 		convert_v1_ReplicationControllerDummy_To_expapi_ReplicationControllerDummy,
 		convert_v1_ResourceConsumption_To_expapi_ResourceConsumption,
 		convert_v1_ResourceRequirements_To_api_ResourceRequirements,
-		convert_v1_RollingUpdateDeployment_To_expapi_RollingUpdateDeployment,
 		convert_v1_SELinuxOptions_To_api_SELinuxOptions,
 		convert_v1_ScaleSpec_To_expapi_ScaleSpec,
 		convert_v1_ScaleStatus_To_expapi_ScaleStatus,

pkg/expapi/v1/deep_copy_generated.go

@@ -953,12 +953,22 @@ func deepCopy_v1_ResourceConsumption(in ResourceConsumption, out *ResourceConsum
 }
 
 func deepCopy_v1_RollingUpdateDeployment(in RollingUpdateDeployment, out *RollingUpdateDeployment, c *conversion.Cloner) error {
-	if err := deepCopy_util_IntOrString(in.MaxUnavailable, &out.MaxUnavailable, c); err != nil {
+	if in.MaxUnavailable != nil {
+		out.MaxUnavailable = new(util.IntOrString)
+		if err := deepCopy_util_IntOrString(*in.MaxUnavailable, out.MaxUnavailable, c); err != nil {
 			return err
 		}
-	if err := deepCopy_util_IntOrString(in.MaxSurge, &out.MaxSurge, c); err != nil {
+	} else {
+		out.MaxUnavailable = nil
+	}
+	if in.MaxSurge != nil {
+		out.MaxSurge = new(util.IntOrString)
+		if err := deepCopy_util_IntOrString(*in.MaxSurge, out.MaxSurge, c); err != nil {
 			return err
 		}
+	} else {
+		out.MaxSurge = nil
+	}
 	out.MinReadySeconds = in.MinReadySeconds
 	return nil
 }

pkg/expapi/v1/defaults.go

@@ -16,7 +16,10 @@ limitations under the License.
 
 package v1
 
-import "k8s.io/kubernetes/pkg/api"
+import (
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/util"
+)
 
 func addDefaultingFuncs() {
 	api.Scheme.AddDefaultingFuncs(
@@ -40,5 +43,37 @@ func addDefaultingFuncs() {
 				}
 			}
 		},
+		func(obj *Deployment) {
+			// Set DeploymentSpec.Replicas to 1 if it is not set.
+			if obj.Spec.Replicas == nil {
+				obj.Spec.Replicas = new(int)
+				*obj.Spec.Replicas = 1
+			}
+			strategy := &obj.Spec.Strategy
+			// Set default DeploymentType as RollingUpdate.
+			if strategy.Type == "" {
+				strategy.Type = DeploymentRollingUpdate
+			}
+			if strategy.Type == DeploymentRollingUpdate {
+				if strategy.RollingUpdate == nil {
+					rollingUpdate := RollingUpdateDeployment{}
+					strategy.RollingUpdate = &rollingUpdate
+				}
+				if strategy.RollingUpdate.MaxUnavailable == nil {
+					// Set default MaxUnavailable as 1 by default.
+					maxUnavailable := util.NewIntOrStringFromInt(1)
+					strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
+				}
+				if strategy.RollingUpdate.MaxSurge == nil {
+					// Set default MaxSurge as 1 by default.
+					maxSurge := util.NewIntOrStringFromInt(1)
+					strategy.RollingUpdate.MaxSurge = &maxSurge
+				}
+			}
+			if obj.Spec.UniqueLabelKey == nil {
+				obj.Spec.UniqueLabelKey = new(string)
+				*obj.Spec.UniqueLabelKey = "deployment.kubernetes.io/podTemplateHash"
+			}
+		},
 	)
 }

pkg/expapi/v1/defaults_test.go

@@ -23,6 +23,7 @@ import (
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/util"
 )
 
 func TestSetDefaultDaemon(t *testing.T) {
@@ -83,6 +84,111 @@ func TestSetDefaultDaemon(t *testing.T) {
 	}
 }
 
+func TestSetDefaultDeployment(t *testing.T) {
+	defaultIntOrString := util.NewIntOrStringFromInt(1)
+	differentIntOrString := util.NewIntOrStringFromInt(5)
+	deploymentLabelKey := "deployment.kubernetes.io/podTemplateHash"
+	tests := []struct {
+		original *Deployment
+		expected *Deployment
+	}{
+		{
+			original: &Deployment{},
+			expected: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(1),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRollingUpdate,
+						RollingUpdate: &RollingUpdateDeployment{
+							MaxSurge:       &defaultIntOrString,
+							MaxUnavailable: &defaultIntOrString,
+						},
+					},
+					UniqueLabelKey: newString(deploymentLabelKey),
+				},
+			},
+		},
+		{
+			original: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						RollingUpdate: &RollingUpdateDeployment{
+							MaxSurge: &differentIntOrString,
+						},
+					},
+				},
+			},
+			expected: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRollingUpdate,
+						RollingUpdate: &RollingUpdateDeployment{
+							MaxSurge:       &differentIntOrString,
+							MaxUnavailable: &defaultIntOrString,
+						},
+					},
+					UniqueLabelKey: newString(deploymentLabelKey),
+				},
+			},
+		},
+		{
+			original: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRecreate,
+					},
+				},
+			},
+			expected: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRecreate,
+					},
+					UniqueLabelKey: newString(deploymentLabelKey),
+				},
+			},
+		},
+		{
+			original: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRecreate,
+					},
+					UniqueLabelKey: newString("customDeploymentKey"),
+				},
+			},
+			expected: &Deployment{
+				Spec: DeploymentSpec{
+					Replicas: newInt(5),
+					Strategy: DeploymentStrategy{
+						Type: DeploymentRecreate,
+					},
+					UniqueLabelKey: newString("customDeploymentKey"),
+				},
+			},
+		},
+	}
+
+	for _, test := range tests {
+		original := test.original
+		expected := test.expected
+		obj2 := roundTrip(t, runtime.Object(original))
+		got, ok := obj2.(*Deployment)
+		if !ok {
+			t.Errorf("unexpected object: %v", got)
+			t.FailNow()
+		}
+		if !reflect.DeepEqual(got.Spec, expected.Spec) {
+			t.Errorf("got different than expected: %v, %v", got, expected)
+		}
+	}
+}
+
 func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
 	data, err := v1.Codec.Encode(obj)
 	if err != nil {
@@ -102,3 +208,15 @@ func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
 	}
 	return obj3
 }
+
+func newInt(val int) *int {
+	p := new(int)
+	*p = val
+	return p
+}
+
+func newString(val string) *string {
+	p := new(string)
+	*p = val
+	return p
+}

pkg/expapi/v1/types.go

@@ -186,7 +186,7 @@ type DeploymentSpec struct {
 	// not add any selector and label. If unspecified, system uses
 	// "deployment.kubernetes.io/podTemplateHash".
 	// Value of this key is hash of DeploymentSpec.PodTemplateSpec.
-	UniqueLabelKey *string `json:"uniqueLabel,omitempty" description:"key of the label that is added to existing pods to distinguish them from new ones; deployment.kubernetes.io/podTemplateHash is used by default; value of this label is hash of pod template spec; no label is added if this is set to empty string"`
+	UniqueLabelKey *string `json:"uniqueLabelKey,omitempty" description:"key of the label that is added to existing pods to distinguish them from new ones; deployment.kubernetes.io/podTemplateHash is used by default; value of this label is hash of pod template spec; no label is added if this is set to empty string"`
 }
 
 type DeploymentStrategy struct {
@@ -222,7 +222,7 @@ type RollingUpdateDeployment struct {
 	// can be scaled down further, followed by scaling up the new RC, ensuring
 	// that at least 70% of original number of pods are available at all times
 	// during the update.
-	MaxUnavailable util.IntOrString `json:"maxUnavailable,omitempty" description:"max number of pods that can be unavailable during the update; value can be an absolute number or a percentage of total pods at start of update"`
+	MaxUnavailable *util.IntOrString `json:"maxUnavailable,omitempty" description:"max number of pods that can be unavailable during the update; value can be an absolute number or a percentage of total pods at start of update"`
 
 	// The maximum number of pods that can be scheduled above the original number of
 	// pods.
@@ -234,7 +234,7 @@ type RollingUpdateDeployment struct {
 	// immediately when the rolling update starts. Once old pods have been killed,
 	// new RC can be scaled up further, ensuring that total number of pods running
 	// at any time during the update is atmost 130% of original pods.
-	MaxSurge util.IntOrString `json:"maxSurge,omitempty" description:"max number of pods that can be scheduled above the original number of pods; value can be an absolute number or a percentage of total pods at start of update"`
+	MaxSurge *util.IntOrString `json:"maxSurge,omitempty" description:"max number of pods that can be scheduled above the original number of pods; value can be an absolute number or a percentage of total pods at start of update"`
 
 	// Minimum number of seconds for which a newly created pod should be ready
 	// without any of its container crashing, for it to be considered available.

pkg/expapi/validation/validation.go

@@ -238,9 +238,7 @@ func ValidateDeploymentSpec(spec *expapi.DeploymentSpec) errs.ValidationErrorLis
 	allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(spec.Replicas), "replicas")...)
 	allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpecForRC(spec.Template, spec.Selector, spec.Replicas, "template")...)
 	allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, "strategy")...)
-	if spec.UniqueLabelKey != nil {
+	allErrs = append(allErrs, apivalidation.ValidateLabelName(spec.UniqueLabelKey, "uniqueLabel")...)
-		allErrs = append(allErrs, apivalidation.ValidateLabelName(*spec.UniqueLabelKey, "uniqueLabel")...)
-	}
 	return allErrs
 }
 

pkg/expapi/validation/validation_test.go

@@ -572,6 +572,7 @@ func validDeployment() *expapi.Deployment {
 					},
 				},
 			},
+			UniqueLabelKey: "my-label",
 		},
 	}
 }
@@ -606,8 +607,7 @@ func TestValidateDeployment(t *testing.T) {
 
 	// invalid unique label key.
 	invalidUniqueLabelDeployment := validDeployment()
-	invalidUniqueLabel := "abc/def/ghi"
+	invalidUniqueLabelDeployment.Spec.UniqueLabelKey = "abc/def/ghi"
-	invalidUniqueLabelDeployment.Spec.UniqueLabelKey = &invalidUniqueLabel
 	errorCases["spec.uniqueLabel: invalid value"] = invalidUniqueLabelDeployment
 
 	// rollingUpdate should be nil for recreate.

pkg/registry/deployment/etcd/etcd_test.go

@@ -69,6 +69,7 @@ func validNewDeployment() *expapi.Deployment {
 					DNSPolicy:     api.DNSClusterFirst,
 				},
 			},
+			UniqueLabelKey: "my-label",
 		},
 	}
 }

pkg/util/util.go

@@ -172,6 +172,9 @@ func (intstr IntOrString) MarshalJSON() ([]byte, error) {
 }
 
 func (intstr *IntOrString) Fuzz(c fuzz.Continue) {
+	if intstr == nil {
+		return
+	}
 	if c.RandBool() {
 		intstr.Kind = IntstrInt
 		c.Fuzz(&intstr.IntVal)