Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/pkg/api/testing/fuzzer.go

@@ -0,0 +1,583 @@
+/*
+Copyright 2015 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.
+*/
+
+package testing
+
+import (
+	"fmt"
+	"math/rand"
+	"reflect"
+	"strconv"
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/resource"
+	"k8s.io/kubernetes/pkg/api/testapi"
+	"k8s.io/kubernetes/pkg/apis/autoscaling"
+	"k8s.io/kubernetes/pkg/apis/batch"
+	"k8s.io/kubernetes/pkg/apis/certificates"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+	"k8s.io/kubernetes/pkg/apis/policy"
+	"k8s.io/kubernetes/pkg/apis/rbac"
+	"k8s.io/kubernetes/pkg/fields"
+	"k8s.io/kubernetes/pkg/util/intstr"
+
+	"github.com/google/gofuzz"
+)
+
+// FuzzerFor can randomly populate api objects that are destined for version.
+func FuzzerFor(t *testing.T, version schema.GroupVersion, src rand.Source) *fuzz.Fuzzer {
+	f := fuzz.New().NilChance(.5).NumElements(0, 1)
+	if src != nil {
+		f.RandSource(src)
+	}
+	f.Funcs(
+		func(j *int, c fuzz.Continue) {
+			*j = int(c.Int31())
+		},
+		func(j **int, c fuzz.Continue) {
+			if c.RandBool() {
+				i := int(c.Int31())
+				*j = &i
+			} else {
+				*j = nil
+			}
+		},
+		func(q *resource.Quantity, c fuzz.Continue) {
+			*q = *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
+		},
+		func(j *runtime.TypeMeta, c fuzz.Continue) {
+			// We have to customize the randomization of TypeMetas because their
+			// APIVersion and Kind must remain blank in memory.
+			j.APIVersion = ""
+			j.Kind = ""
+		},
+		func(j *metav1.TypeMeta, c fuzz.Continue) {
+			// We have to customize the randomization of TypeMetas because their
+			// APIVersion and Kind must remain blank in memory.
+			j.APIVersion = ""
+			j.Kind = ""
+		},
+		func(j *api.ObjectMeta, c fuzz.Continue) {
+			j.Name = c.RandString()
+			j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
+			j.SelfLink = c.RandString()
+			j.UID = types.UID(c.RandString())
+			j.GenerateName = c.RandString()
+
+			var sec, nsec int64
+			c.Fuzz(&sec)
+			c.Fuzz(&nsec)
+			j.CreationTimestamp = metav1.Unix(sec, nsec).Rfc3339Copy()
+		},
+		func(j *api.ObjectReference, c fuzz.Continue) {
+			// We have to customize the randomization of TypeMetas because their
+			// APIVersion and Kind must remain blank in memory.
+			j.APIVersion = c.RandString()
+			j.Kind = c.RandString()
+			j.Namespace = c.RandString()
+			j.Name = c.RandString()
+			j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
+			j.FieldPath = c.RandString()
+		},
+		func(j *metav1.ListMeta, c fuzz.Continue) {
+			j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
+			j.SelfLink = c.RandString()
+		},
+		func(j *api.ListOptions, c fuzz.Continue) {
+			label, _ := labels.Parse("a=b")
+			j.LabelSelector = label
+			field, _ := fields.ParseSelector("a=b")
+			j.FieldSelector = field
+		},
+		func(j *api.PodExecOptions, c fuzz.Continue) {
+			j.Stdout = true
+			j.Stderr = true
+		},
+		func(j *api.PodAttachOptions, c fuzz.Continue) {
+			j.Stdout = true
+			j.Stderr = true
+		},
+		func(s *api.PodSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(s)
+			// has a default value
+			ttl := int64(30)
+			if c.RandBool() {
+				ttl = int64(c.Uint32())
+			}
+			s.TerminationGracePeriodSeconds = &ttl
+
+			c.Fuzz(s.SecurityContext)
+
+			if s.SecurityContext == nil {
+				s.SecurityContext = new(api.PodSecurityContext)
+			}
+			if s.Affinity == nil {
+				s.Affinity = new(api.Affinity)
+			}
+		},
+		func(j *api.PodPhase, c fuzz.Continue) {
+			statuses := []api.PodPhase{api.PodPending, api.PodRunning, api.PodFailed, api.PodUnknown}
+			*j = statuses[c.Rand.Intn(len(statuses))]
+		},
+		func(j *api.Binding, c fuzz.Continue) {
+			c.Fuzz(&j.ObjectMeta)
+			j.Target.Name = c.RandString()
+		},
+		func(j *api.ReplicationControllerSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			//j.TemplateRef = nil // this is required for round trip
+		},
+		func(j *extensions.DeploymentStrategy, c fuzz.Continue) {
+			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			// Ensure that strategyType is one of valid values.
+			strategyTypes := []extensions.DeploymentStrategyType{extensions.RecreateDeploymentStrategyType, extensions.RollingUpdateDeploymentStrategyType}
+			j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
+			if j.Type != extensions.RollingUpdateDeploymentStrategyType {
+				j.RollingUpdate = nil
+			} else {
+				rollingUpdate := extensions.RollingUpdateDeployment{}
+				if c.RandBool() {
+					rollingUpdate.MaxUnavailable = intstr.FromInt(int(c.Rand.Int31()))
+					rollingUpdate.MaxSurge = intstr.FromInt(int(c.Rand.Int31()))
+				} else {
+					rollingUpdate.MaxSurge = intstr.FromString(fmt.Sprintf("%d%%", c.Rand.Int31()))
+				}
+				j.RollingUpdate = &rollingUpdate
+			}
+		},
+		func(j *batch.JobSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			completions := int32(c.Rand.Int31())
+			parallelism := int32(c.Rand.Int31())
+			j.Completions = &completions
+			j.Parallelism = &parallelism
+			if c.Rand.Int31()%2 == 0 {
+				j.ManualSelector = newBool(true)
+			} else {
+				j.ManualSelector = nil
+			}
+		},
+		func(sj *batch.CronJobSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(sj)
+			suspend := c.RandBool()
+			sj.Suspend = &suspend
+			sds := int64(c.RandUint64())
+			sj.StartingDeadlineSeconds = &sds
+			sj.Schedule = c.RandString()
+		},
+		func(cp *batch.ConcurrencyPolicy, c fuzz.Continue) {
+			policies := []batch.ConcurrencyPolicy{batch.AllowConcurrent, batch.ForbidConcurrent, batch.ReplaceConcurrent}
+			*cp = policies[c.Rand.Intn(len(policies))]
+		},
+		func(j *api.List, c fuzz.Continue) {
+			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			// TODO: uncomment when round trip starts from a versioned object
+			if false { //j.Items == nil {
+				j.Items = []runtime.Object{}
+			}
+		},
+		func(j *runtime.Object, c fuzz.Continue) {
+			// TODO: uncomment when round trip starts from a versioned object
+			if true { //c.RandBool() {
+				*j = &runtime.Unknown{
+					// We do not set TypeMeta here because it is not carried through a round trip
+					Raw:         []byte(`{"apiVersion":"unknown.group/unknown","kind":"Something","someKey":"someValue"}`),
+					ContentType: runtime.ContentTypeJSON,
+				}
+			} else {
+				types := []runtime.Object{&api.Pod{}, &api.ReplicationController{}}
+				t := types[c.Rand.Intn(len(types))]
+				c.Fuzz(t)
+				*j = t
+			}
+		},
+		func(q *api.ResourceRequirements, c fuzz.Continue) {
+			randomQuantity := func() resource.Quantity {
+				var q resource.Quantity
+				c.Fuzz(&q)
+				// precalc the string for benchmarking purposes
+				_ = q.String()
+				return q
+			}
+			q.Limits = make(api.ResourceList)
+			q.Requests = make(api.ResourceList)
+			cpuLimit := randomQuantity()
+			q.Limits[api.ResourceCPU] = *cpuLimit.Copy()
+			q.Requests[api.ResourceCPU] = *cpuLimit.Copy()
+			memoryLimit := randomQuantity()
+			q.Limits[api.ResourceMemory] = *memoryLimit.Copy()
+			q.Requests[api.ResourceMemory] = *memoryLimit.Copy()
+			storageLimit := randomQuantity()
+			q.Limits[api.ResourceStorage] = *storageLimit.Copy()
+			q.Requests[api.ResourceStorage] = *storageLimit.Copy()
+		},
+		func(q *api.LimitRangeItem, c fuzz.Continue) {
+			var cpuLimit resource.Quantity
+			c.Fuzz(&cpuLimit)
+
+			q.Type = api.LimitTypeContainer
+			q.Default = make(api.ResourceList)
+			q.Default[api.ResourceCPU] = *(cpuLimit.Copy())
+
+			q.DefaultRequest = make(api.ResourceList)
+			q.DefaultRequest[api.ResourceCPU] = *(cpuLimit.Copy())
+
+			q.Max = make(api.ResourceList)
+			q.Max[api.ResourceCPU] = *(cpuLimit.Copy())
+
+			q.Min = make(api.ResourceList)
+			q.Min[api.ResourceCPU] = *(cpuLimit.Copy())
+
+			q.MaxLimitRequestRatio = make(api.ResourceList)
+			q.MaxLimitRequestRatio[api.ResourceCPU] = resource.MustParse("10")
+		},
+		func(p *api.PullPolicy, c fuzz.Continue) {
+			policies := []api.PullPolicy{api.PullAlways, api.PullNever, api.PullIfNotPresent}
+			*p = policies[c.Rand.Intn(len(policies))]
+		},
+		func(rp *api.RestartPolicy, c fuzz.Continue) {
+			policies := []api.RestartPolicy{api.RestartPolicyAlways, api.RestartPolicyNever, api.RestartPolicyOnFailure}
+			*rp = policies[c.Rand.Intn(len(policies))]
+		},
+		// api.DownwardAPIVolumeFile needs to have a specific func since FieldRef has to be
+		// defaulted to a version otherwise roundtrip will fail
+		func(m *api.DownwardAPIVolumeFile, c fuzz.Continue) {
+			m.Path = c.RandString()
+			versions := []string{"v1"}
+			m.FieldRef = &api.ObjectFieldSelector{}
+			m.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))]
+			m.FieldRef.FieldPath = c.RandString()
+			c.Fuzz(m.Mode)
+			if m.Mode != nil {
+				*m.Mode &= 0777
+			}
+		},
+		func(s *api.SecretVolumeSource, c fuzz.Continue) {
+			c.FuzzNoCustom(s) // fuzz self without calling this function again
+
+			// DefaultMode should always be set, it has a default
+			// value and it is expected to be between 0 and 0777
+			var mode int32
+			c.Fuzz(&mode)
+			mode &= 0777
+			s.DefaultMode = &mode
+		},
+		func(cm *api.ConfigMapVolumeSource, c fuzz.Continue) {
+			c.FuzzNoCustom(cm) // fuzz self without calling this function again
+
+			// DefaultMode should always be set, it has a default
+			// value and it is expected to be between 0 and 0777
+			var mode int32
+			c.Fuzz(&mode)
+			mode &= 0777
+			cm.DefaultMode = &mode
+		},
+		func(d *api.DownwardAPIVolumeSource, c fuzz.Continue) {
+			c.FuzzNoCustom(d) // fuzz self without calling this function again
+
+			// DefaultMode should always be set, it has a default
+			// value and it is expected to be between 0 and 0777
+			var mode int32
+			c.Fuzz(&mode)
+			mode &= 0777
+			d.DefaultMode = &mode
+		},
+		func(k *api.KeyToPath, c fuzz.Continue) {
+			c.FuzzNoCustom(k) // fuzz self without calling this function again
+			k.Key = c.RandString()
+			k.Path = c.RandString()
+
+			// Mode is not mandatory, but if it is set, it should be
+			// a value between 0 and 0777
+			if k.Mode != nil {
+				*k.Mode &= 0777
+			}
+		},
+		func(vs *api.VolumeSource, c fuzz.Continue) {
+			// Exactly one of the fields must be set.
+			v := reflect.ValueOf(vs).Elem()
+			i := int(c.RandUint64() % uint64(v.NumField()))
+			t := v.Field(i).Addr()
+			for v.Field(i).IsNil() {
+				c.Fuzz(t.Interface())
+			}
+		},
+		func(i *api.ISCSIVolumeSource, c fuzz.Continue) {
+			i.ISCSIInterface = c.RandString()
+			if i.ISCSIInterface == "" {
+				i.ISCSIInterface = "default"
+			}
+		},
+		func(d *api.DNSPolicy, c fuzz.Continue) {
+			policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault}
+			*d = policies[c.Rand.Intn(len(policies))]
+		},
+		func(p *api.Protocol, c fuzz.Continue) {
+			protocols := []api.Protocol{api.ProtocolTCP, api.ProtocolUDP}
+			*p = protocols[c.Rand.Intn(len(protocols))]
+		},
+		func(p *api.ServiceAffinity, c fuzz.Continue) {
+			types := []api.ServiceAffinity{api.ServiceAffinityClientIP, api.ServiceAffinityNone}
+			*p = types[c.Rand.Intn(len(types))]
+		},
+		func(p *api.ServiceType, c fuzz.Continue) {
+			types := []api.ServiceType{api.ServiceTypeClusterIP, api.ServiceTypeNodePort, api.ServiceTypeLoadBalancer}
+			*p = types[c.Rand.Intn(len(types))]
+		},
+		func(ct *api.Container, c fuzz.Continue) {
+			c.FuzzNoCustom(ct)                                          // fuzz self without calling this function again
+			ct.TerminationMessagePath = "/" + ct.TerminationMessagePath // Must be non-empty
+		},
+		func(p *api.Probe, c fuzz.Continue) {
+			c.FuzzNoCustom(p)
+			// These fields have default values.
+			intFieldsWithDefaults := [...]string{"TimeoutSeconds", "PeriodSeconds", "SuccessThreshold", "FailureThreshold"}
+			v := reflect.ValueOf(p).Elem()
+			for _, field := range intFieldsWithDefaults {
+				f := v.FieldByName(field)
+				if f.Int() == 0 {
+					f.SetInt(1)
+				}
+			}
+		},
+		func(ev *api.EnvVar, c fuzz.Continue) {
+			ev.Name = c.RandString()
+			if c.RandBool() {
+				ev.Value = c.RandString()
+			} else {
+				ev.ValueFrom = &api.EnvVarSource{}
+				ev.ValueFrom.FieldRef = &api.ObjectFieldSelector{}
+
+				var versions []schema.GroupVersion
+				for _, testGroup := range testapi.Groups {
+					versions = append(versions, *testGroup.GroupVersion())
+				}
+
+				ev.ValueFrom.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))].String()
+				ev.ValueFrom.FieldRef.FieldPath = c.RandString()
+			}
+		},
+		func(ev *api.EnvFromSource, c fuzz.Continue) {
+			if c.RandBool() {
+				ev.Prefix = "p_"
+			}
+			if c.RandBool() {
+				c.Fuzz(&ev.ConfigMapRef)
+			}
+		},
+		func(cm *api.ConfigMapEnvSource, c fuzz.Continue) {
+			c.FuzzNoCustom(cm) // fuzz self without calling this function again
+		},
+		func(sc *api.SecurityContext, c fuzz.Continue) {
+			c.FuzzNoCustom(sc) // fuzz self without calling this function again
+			if c.RandBool() {
+				priv := c.RandBool()
+				sc.Privileged = &priv
+			}
+
+			if c.RandBool() {
+				sc.Capabilities = &api.Capabilities{
+					Add:  make([]api.Capability, 0),
+					Drop: make([]api.Capability, 0),
+				}
+				c.Fuzz(&sc.Capabilities.Add)
+				c.Fuzz(&sc.Capabilities.Drop)
+			}
+		},
+		func(s *api.Secret, c fuzz.Continue) {
+			c.FuzzNoCustom(s) // fuzz self without calling this function again
+			s.Type = api.SecretTypeOpaque
+		},
+		func(r *api.RBDVolumeSource, c fuzz.Continue) {
+			r.RBDPool = c.RandString()
+			if r.RBDPool == "" {
+				r.RBDPool = "rbd"
+			}
+			r.RadosUser = c.RandString()
+			if r.RadosUser == "" {
+				r.RadosUser = "admin"
+			}
+			r.Keyring = c.RandString()
+			if r.Keyring == "" {
+				r.Keyring = "/etc/ceph/keyring"
+			}
+		},
+		func(pv *api.PersistentVolume, c fuzz.Continue) {
+			c.FuzzNoCustom(pv) // fuzz self without calling this function again
+			types := []api.PersistentVolumePhase{api.VolumeAvailable, api.VolumePending, api.VolumeBound, api.VolumeReleased, api.VolumeFailed}
+			pv.Status.Phase = types[c.Rand.Intn(len(types))]
+			pv.Status.Message = c.RandString()
+			reclamationPolicies := []api.PersistentVolumeReclaimPolicy{api.PersistentVolumeReclaimRecycle, api.PersistentVolumeReclaimRetain}
+			pv.Spec.PersistentVolumeReclaimPolicy = reclamationPolicies[c.Rand.Intn(len(reclamationPolicies))]
+		},
+		func(pvc *api.PersistentVolumeClaim, c fuzz.Continue) {
+			c.FuzzNoCustom(pvc) // fuzz self without calling this function again
+			types := []api.PersistentVolumeClaimPhase{api.ClaimBound, api.ClaimPending, api.ClaimLost}
+			pvc.Status.Phase = types[c.Rand.Intn(len(types))]
+		},
+		func(obj *api.AzureDiskVolumeSource, c fuzz.Continue) {
+			if obj.CachingMode == nil {
+				obj.CachingMode = new(api.AzureDataDiskCachingMode)
+				*obj.CachingMode = api.AzureDataDiskCachingNone
+			}
+			if obj.FSType == nil {
+				obj.FSType = new(string)
+				*obj.FSType = "ext4"
+			}
+			if obj.ReadOnly == nil {
+				obj.ReadOnly = new(bool)
+				*obj.ReadOnly = false
+			}
+		},
+		func(s *api.NamespaceSpec, c fuzz.Continue) {
+			s.Finalizers = []api.FinalizerName{api.FinalizerKubernetes}
+		},
+		func(s *api.NamespaceStatus, c fuzz.Continue) {
+			s.Phase = api.NamespaceActive
+		},
+		func(http *api.HTTPGetAction, c fuzz.Continue) {
+			c.FuzzNoCustom(http)            // fuzz self without calling this function again
+			http.Path = "/" + http.Path     // can't be blank
+			http.Scheme = "x" + http.Scheme // can't be blank
+		},
+		func(ss *api.ServiceSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(ss) // fuzz self without calling this function again
+			if len(ss.Ports) == 0 {
+				// There must be at least 1 port.
+				ss.Ports = append(ss.Ports, api.ServicePort{})
+				c.Fuzz(&ss.Ports[0])
+			}
+			for i := range ss.Ports {
+				switch ss.Ports[i].TargetPort.Type {
+				case intstr.Int:
+					ss.Ports[i].TargetPort.IntVal = 1 + ss.Ports[i].TargetPort.IntVal%65535 // non-zero
+				case intstr.String:
+					ss.Ports[i].TargetPort.StrVal = "x" + ss.Ports[i].TargetPort.StrVal // non-empty
+				}
+			}
+		},
+		func(n *api.Node, c fuzz.Continue) {
+			c.FuzzNoCustom(n)
+			n.Spec.ExternalID = "external"
+		},
+		func(s *api.NodeStatus, c fuzz.Continue) {
+			c.FuzzNoCustom(s)
+			s.Allocatable = s.Capacity
+		},
+		func(s *autoscaling.HorizontalPodAutoscalerSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(s) // fuzz self without calling this function again
+			minReplicas := int32(c.Rand.Int31())
+			s.MinReplicas = &minReplicas
+			targetCpu := int32(c.RandUint64())
+			s.TargetCPUUtilizationPercentage = &targetCpu
+		},
+		func(psp *extensions.PodSecurityPolicySpec, c fuzz.Continue) {
+			c.FuzzNoCustom(psp) // fuzz self without calling this function again
+			runAsUserRules := []extensions.RunAsUserStrategy{extensions.RunAsUserStrategyMustRunAsNonRoot, extensions.RunAsUserStrategyMustRunAs, extensions.RunAsUserStrategyRunAsAny}
+			psp.RunAsUser.Rule = runAsUserRules[c.Rand.Intn(len(runAsUserRules))]
+			seLinuxRules := []extensions.SELinuxStrategy{extensions.SELinuxStrategyRunAsAny, extensions.SELinuxStrategyMustRunAs}
+			psp.SELinux.Rule = seLinuxRules[c.Rand.Intn(len(seLinuxRules))]
+		},
+		func(s *extensions.Scale, c fuzz.Continue) {
+			c.FuzzNoCustom(s) // fuzz self without calling this function again
+			// TODO: Implement a fuzzer to generate valid keys, values and operators for
+			// selector requirements.
+			if s.Status.Selector != nil {
+				s.Status.Selector = &metav1.LabelSelector{
+					MatchLabels: map[string]string{
+						"testlabelkey": "testlabelval",
+					},
+					MatchExpressions: []metav1.LabelSelectorRequirement{
+						{
+							Key:      "testkey",
+							Operator: metav1.LabelSelectorOpIn,
+							Values:   []string{"val1", "val2", "val3"},
+						},
+					},
+				}
+			}
+		},
+		func(r *rbac.RoleRef, c fuzz.Continue) {
+			c.FuzzNoCustom(r) // fuzz self without calling this function again
+
+			// match defaulter
+			if len(r.APIGroup) == 0 {
+				r.APIGroup = rbac.GroupName
+			}
+		},
+		func(r *runtime.RawExtension, c fuzz.Continue) {
+			// Pick an arbitrary type and fuzz it
+			types := []runtime.Object{&api.Pod{}, &extensions.Deployment{}, &api.Service{}}
+			obj := types[c.Rand.Intn(len(types))]
+			c.Fuzz(obj)
+
+			// Find a codec for converting the object to raw bytes.  This is necessary for the
+			// api version and kind to be correctly set be serialization.
+			var codec runtime.Codec
+			switch obj.(type) {
+			case *api.Pod:
+				codec = testapi.Default.Codec()
+			case *extensions.Deployment:
+				codec = testapi.Extensions.Codec()
+			case *api.Service:
+				codec = testapi.Default.Codec()
+			default:
+				t.Errorf("Failed to find codec for object type: %T", obj)
+				return
+			}
+
+			// Convert the object to raw bytes
+			bytes, err := runtime.Encode(codec, obj)
+			if err != nil {
+				t.Errorf("Failed to encode object: %v", err)
+				return
+			}
+
+			// Set the bytes field on the RawExtension
+			r.Raw = bytes
+		},
+		func(obj *kubeadm.MasterConfiguration, c fuzz.Continue) {
+			c.FuzzNoCustom(obj)
+			obj.KubernetesVersion = "v10"
+			obj.API.Port = 20
+			obj.Networking.ServiceSubnet = "foo"
+			obj.Networking.DNSDomain = "foo"
+			obj.Discovery.Token = &kubeadm.TokenDiscovery{}
+		},
+		func(s *policy.PodDisruptionBudgetStatus, c fuzz.Continue) {
+			c.FuzzNoCustom(s) // fuzz self without calling this function again
+			s.PodDisruptionsAllowed = int32(c.Rand.Intn(2))
+		},
+		func(obj *certificates.CertificateSigningRequestSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(obj) // fuzz self without calling this function again
+			obj.Usages = []certificates.KeyUsage{certificates.UsageKeyEncipherment}
+		},
+	)
+	return f
+}
+
+func newBool(val bool) *bool {
+	p := new(bool)
+	*p = val
+	return p
+}