mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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793 lines
26 KiB
Go
793 lines
26 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"fmt"
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"reflect"
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"strconv"
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"github.com/google/gofuzz"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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apitesting "k8s.io/apimachinery/pkg/api/testing"
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"k8s.io/apimachinery/pkg/api/testing/fuzzer"
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genericfuzzer "k8s.io/apimachinery/pkg/apis/meta/fuzzer"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/apimachinery/pkg/util/intstr"
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kubeadmfuzzer "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/fuzzer"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/apis/admissionregistration"
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"k8s.io/kubernetes/pkg/apis/apps"
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"k8s.io/kubernetes/pkg/apis/autoscaling"
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"k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/apis/certificates"
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"k8s.io/kubernetes/pkg/apis/extensions"
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extensionsv1beta1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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"k8s.io/kubernetes/pkg/apis/policy"
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"k8s.io/kubernetes/pkg/apis/rbac"
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)
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// overrideGenericFuncs override some generic fuzzer funcs from k8s.io/apiserver in order to have more realistic
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// values in a Kubernetes context.
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func overrideGenericFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
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return []interface{}{
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func(j *runtime.Object, c fuzz.Continue) {
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// TODO: uncomment when round trip starts from a versioned object
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if true { //c.RandBool() {
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*j = &runtime.Unknown{
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// We do not set TypeMeta here because it is not carried through a round trip
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Raw: []byte(`{"apiVersion":"unknown.group/unknown","kind":"Something","someKey":"someValue"}`),
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ContentType: runtime.ContentTypeJSON,
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}
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} else {
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types := []runtime.Object{&api.Pod{}, &api.ReplicationController{}}
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t := types[c.Rand.Intn(len(types))]
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c.Fuzz(t)
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*j = t
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}
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},
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func(r *runtime.RawExtension, c fuzz.Continue) {
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// Pick an arbitrary type and fuzz it
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types := []runtime.Object{&api.Pod{}, &extensions.Deployment{}, &api.Service{}}
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obj := types[c.Rand.Intn(len(types))]
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c.Fuzz(obj)
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var codec runtime.Codec
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switch obj.(type) {
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case *extensions.Deployment:
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codec = apitesting.TestCodec(codecs, extensionsv1beta1.SchemeGroupVersion)
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default:
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codec = apitesting.TestCodec(codecs, v1.SchemeGroupVersion)
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}
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// Convert the object to raw bytes
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bytes, err := runtime.Encode(codec, obj)
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if err != nil {
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panic(fmt.Sprintf("Failed to encode object: %v", err))
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}
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// Set the bytes field on the RawExtension
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r.Raw = bytes
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},
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}
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}
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func coreFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
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return []interface{}{
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func(q *resource.Quantity, c fuzz.Continue) {
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*q = *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
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},
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func(j *api.ObjectReference, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = c.RandString()
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j.Kind = c.RandString()
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j.Namespace = c.RandString()
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j.Name = c.RandString()
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.FieldPath = c.RandString()
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},
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func(j *api.ListOptions, c fuzz.Continue) {
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label, _ := labels.Parse("a=b")
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j.LabelSelector = label
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field, _ := fields.ParseSelector("a=b")
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j.FieldSelector = field
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},
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func(j *api.PodExecOptions, c fuzz.Continue) {
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j.Stdout = true
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j.Stderr = true
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},
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func(j *api.PodAttachOptions, c fuzz.Continue) {
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j.Stdout = true
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j.Stderr = true
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},
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func(j *api.PodPortForwardOptions, c fuzz.Continue) {
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if c.RandBool() {
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j.Ports = make([]int32, c.Intn(10))
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for i := range j.Ports {
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j.Ports[i] = c.Int31n(65535)
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}
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}
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},
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func(s *api.PodSpec, c fuzz.Continue) {
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c.FuzzNoCustom(s)
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// has a default value
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ttl := int64(30)
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if c.RandBool() {
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ttl = int64(c.Uint32())
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}
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s.TerminationGracePeriodSeconds = &ttl
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c.Fuzz(s.SecurityContext)
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if s.SecurityContext == nil {
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s.SecurityContext = new(api.PodSecurityContext)
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}
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if s.Affinity == nil {
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s.Affinity = new(api.Affinity)
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}
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if s.SchedulerName == "" {
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s.SchedulerName = api.DefaultSchedulerName
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}
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},
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func(j *api.PodPhase, c fuzz.Continue) {
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statuses := []api.PodPhase{api.PodPending, api.PodRunning, api.PodFailed, api.PodUnknown}
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*j = statuses[c.Rand.Intn(len(statuses))]
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},
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func(j *api.Binding, c fuzz.Continue) {
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c.Fuzz(&j.ObjectMeta)
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j.Target.Name = c.RandString()
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},
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func(j *api.ReplicationControllerSpec, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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//j.TemplateRef = nil // this is required for round trip
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},
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func(j *api.List, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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// TODO: uncomment when round trip starts from a versioned object
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if false { //j.Items == nil {
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j.Items = []runtime.Object{}
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}
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},
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func(q *api.ResourceRequirements, c fuzz.Continue) {
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randomQuantity := func() resource.Quantity {
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var q resource.Quantity
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c.Fuzz(&q)
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// precalc the string for benchmarking purposes
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_ = q.String()
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return q
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}
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q.Limits = make(api.ResourceList)
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q.Requests = make(api.ResourceList)
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cpuLimit := randomQuantity()
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q.Limits[api.ResourceCPU] = *cpuLimit.Copy()
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q.Requests[api.ResourceCPU] = *cpuLimit.Copy()
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memoryLimit := randomQuantity()
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q.Limits[api.ResourceMemory] = *memoryLimit.Copy()
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q.Requests[api.ResourceMemory] = *memoryLimit.Copy()
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storageLimit := randomQuantity()
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q.Limits[api.ResourceStorage] = *storageLimit.Copy()
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q.Requests[api.ResourceStorage] = *storageLimit.Copy()
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},
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func(q *api.LimitRangeItem, c fuzz.Continue) {
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var cpuLimit resource.Quantity
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c.Fuzz(&cpuLimit)
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q.Type = api.LimitTypeContainer
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q.Default = make(api.ResourceList)
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q.Default[api.ResourceCPU] = *(cpuLimit.Copy())
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q.DefaultRequest = make(api.ResourceList)
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q.DefaultRequest[api.ResourceCPU] = *(cpuLimit.Copy())
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q.Max = make(api.ResourceList)
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q.Max[api.ResourceCPU] = *(cpuLimit.Copy())
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q.Min = make(api.ResourceList)
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q.Min[api.ResourceCPU] = *(cpuLimit.Copy())
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q.MaxLimitRequestRatio = make(api.ResourceList)
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q.MaxLimitRequestRatio[api.ResourceCPU] = resource.MustParse("10")
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},
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func(p *api.PullPolicy, c fuzz.Continue) {
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policies := []api.PullPolicy{api.PullAlways, api.PullNever, api.PullIfNotPresent}
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*p = policies[c.Rand.Intn(len(policies))]
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},
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func(rp *api.RestartPolicy, c fuzz.Continue) {
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policies := []api.RestartPolicy{api.RestartPolicyAlways, api.RestartPolicyNever, api.RestartPolicyOnFailure}
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*rp = policies[c.Rand.Intn(len(policies))]
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},
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// api.DownwardAPIVolumeFile needs to have a specific func since FieldRef has to be
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// defaulted to a version otherwise roundtrip will fail
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func(m *api.DownwardAPIVolumeFile, c fuzz.Continue) {
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m.Path = c.RandString()
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versions := []string{"v1"}
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m.FieldRef = &api.ObjectFieldSelector{}
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m.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))]
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m.FieldRef.FieldPath = c.RandString()
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c.Fuzz(m.Mode)
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if m.Mode != nil {
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*m.Mode &= 0777
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}
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},
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func(s *api.SecretVolumeSource, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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if c.RandBool() {
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opt := c.RandBool()
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s.Optional = &opt
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}
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// DefaultMode should always be set, it has a default
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// value and it is expected to be between 0 and 0777
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var mode int32
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c.Fuzz(&mode)
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mode &= 0777
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s.DefaultMode = &mode
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},
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func(cm *api.ConfigMapVolumeSource, c fuzz.Continue) {
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c.FuzzNoCustom(cm) // fuzz self without calling this function again
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if c.RandBool() {
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opt := c.RandBool()
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cm.Optional = &opt
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}
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// DefaultMode should always be set, it has a default
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// value and it is expected to be between 0 and 0777
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var mode int32
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c.Fuzz(&mode)
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mode &= 0777
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cm.DefaultMode = &mode
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},
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func(d *api.DownwardAPIVolumeSource, c fuzz.Continue) {
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c.FuzzNoCustom(d) // fuzz self without calling this function again
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// DefaultMode should always be set, it has a default
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// value and it is expected to be between 0 and 0777
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var mode int32
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c.Fuzz(&mode)
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mode &= 0777
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d.DefaultMode = &mode
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},
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func(s *api.ProjectedVolumeSource, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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// DefaultMode should always be set, it has a default
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// value and it is expected to be between 0 and 0777
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var mode int32
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c.Fuzz(&mode)
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mode &= 0777
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s.DefaultMode = &mode
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},
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func(k *api.KeyToPath, c fuzz.Continue) {
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c.FuzzNoCustom(k) // fuzz self without calling this function again
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k.Key = c.RandString()
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k.Path = c.RandString()
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// Mode is not mandatory, but if it is set, it should be
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// a value between 0 and 0777
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if k.Mode != nil {
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*k.Mode &= 0777
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}
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},
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func(vs *api.VolumeSource, c fuzz.Continue) {
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// Exactly one of the fields must be set.
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v := reflect.ValueOf(vs).Elem()
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i := int(c.RandUint64() % uint64(v.NumField()))
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t := v.Field(i).Addr()
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for v.Field(i).IsNil() {
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c.Fuzz(t.Interface())
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}
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},
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func(i *api.ISCSIVolumeSource, c fuzz.Continue) {
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i.ISCSIInterface = c.RandString()
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if i.ISCSIInterface == "" {
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i.ISCSIInterface = "default"
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}
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},
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func(d *api.DNSPolicy, c fuzz.Continue) {
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policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault}
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*d = policies[c.Rand.Intn(len(policies))]
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},
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func(p *api.Protocol, c fuzz.Continue) {
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protocols := []api.Protocol{api.ProtocolTCP, api.ProtocolUDP}
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*p = protocols[c.Rand.Intn(len(protocols))]
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},
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func(p *api.ServiceAffinity, c fuzz.Continue) {
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types := []api.ServiceAffinity{api.ServiceAffinityClientIP, api.ServiceAffinityNone}
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*p = types[c.Rand.Intn(len(types))]
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},
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func(p *api.ServiceType, c fuzz.Continue) {
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types := []api.ServiceType{api.ServiceTypeClusterIP, api.ServiceTypeNodePort, api.ServiceTypeLoadBalancer}
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*p = types[c.Rand.Intn(len(types))]
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},
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func(p *api.ServiceExternalTrafficPolicyType, c fuzz.Continue) {
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types := []api.ServiceExternalTrafficPolicyType{api.ServiceExternalTrafficPolicyTypeCluster, api.ServiceExternalTrafficPolicyTypeLocal}
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*p = types[c.Rand.Intn(len(types))]
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},
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func(ct *api.Container, c fuzz.Continue) {
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c.FuzzNoCustom(ct) // fuzz self without calling this function again
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ct.TerminationMessagePath = "/" + ct.TerminationMessagePath // Must be non-empty
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ct.TerminationMessagePolicy = "File"
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},
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func(p *api.Probe, c fuzz.Continue) {
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c.FuzzNoCustom(p)
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// These fields have default values.
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intFieldsWithDefaults := [...]string{"TimeoutSeconds", "PeriodSeconds", "SuccessThreshold", "FailureThreshold"}
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v := reflect.ValueOf(p).Elem()
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for _, field := range intFieldsWithDefaults {
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f := v.FieldByName(field)
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if f.Int() == 0 {
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f.SetInt(1)
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}
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}
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},
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func(ev *api.EnvVar, c fuzz.Continue) {
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ev.Name = c.RandString()
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if c.RandBool() {
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ev.Value = c.RandString()
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} else {
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ev.ValueFrom = &api.EnvVarSource{}
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ev.ValueFrom.FieldRef = &api.ObjectFieldSelector{}
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var versions []schema.GroupVersion
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for _, testGroup := range testapi.Groups {
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versions = append(versions, *testGroup.GroupVersion())
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}
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ev.ValueFrom.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))].String()
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ev.ValueFrom.FieldRef.FieldPath = c.RandString()
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}
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},
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func(ev *api.EnvFromSource, c fuzz.Continue) {
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if c.RandBool() {
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ev.Prefix = "p_"
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}
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if c.RandBool() {
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c.Fuzz(&ev.ConfigMapRef)
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} else {
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c.Fuzz(&ev.SecretRef)
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}
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},
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func(cm *api.ConfigMapEnvSource, c fuzz.Continue) {
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c.FuzzNoCustom(cm) // fuzz self without calling this function again
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if c.RandBool() {
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opt := c.RandBool()
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cm.Optional = &opt
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}
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},
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func(s *api.SecretEnvSource, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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},
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func(sc *api.SecurityContext, c fuzz.Continue) {
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c.FuzzNoCustom(sc) // fuzz self without calling this function again
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if c.RandBool() {
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priv := c.RandBool()
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sc.Privileged = &priv
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}
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if c.RandBool() {
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sc.Capabilities = &api.Capabilities{
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Add: make([]api.Capability, 0),
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Drop: make([]api.Capability, 0),
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}
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c.Fuzz(&sc.Capabilities.Add)
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c.Fuzz(&sc.Capabilities.Drop)
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}
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},
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func(s *api.Secret, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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s.Type = api.SecretTypeOpaque
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},
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func(r *api.RBDVolumeSource, c fuzz.Continue) {
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r.RBDPool = c.RandString()
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if r.RBDPool == "" {
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r.RBDPool = "rbd"
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}
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r.RadosUser = c.RandString()
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if r.RadosUser == "" {
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r.RadosUser = "admin"
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}
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r.Keyring = c.RandString()
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if r.Keyring == "" {
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r.Keyring = "/etc/ceph/keyring"
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}
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},
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func(pv *api.PersistentVolume, c fuzz.Continue) {
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c.FuzzNoCustom(pv) // fuzz self without calling this function again
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types := []api.PersistentVolumePhase{api.VolumeAvailable, api.VolumePending, api.VolumeBound, api.VolumeReleased, api.VolumeFailed}
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pv.Status.Phase = types[c.Rand.Intn(len(types))]
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pv.Status.Message = c.RandString()
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reclamationPolicies := []api.PersistentVolumeReclaimPolicy{api.PersistentVolumeReclaimRecycle, api.PersistentVolumeReclaimRetain}
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pv.Spec.PersistentVolumeReclaimPolicy = reclamationPolicies[c.Rand.Intn(len(reclamationPolicies))]
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},
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func(pvc *api.PersistentVolumeClaim, c fuzz.Continue) {
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c.FuzzNoCustom(pvc) // fuzz self without calling this function again
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types := []api.PersistentVolumeClaimPhase{api.ClaimBound, api.ClaimPending, api.ClaimLost}
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pvc.Status.Phase = types[c.Rand.Intn(len(types))]
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},
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func(obj *api.AzureDiskVolumeSource, c fuzz.Continue) {
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if obj.CachingMode == nil {
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obj.CachingMode = new(api.AzureDataDiskCachingMode)
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*obj.CachingMode = api.AzureDataDiskCachingReadWrite
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}
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if obj.Kind == nil {
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obj.Kind = new(api.AzureDataDiskKind)
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*obj.Kind = api.AzureSharedBlobDisk
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}
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if obj.FSType == nil {
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obj.FSType = new(string)
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*obj.FSType = "ext4"
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}
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if obj.ReadOnly == nil {
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obj.ReadOnly = new(bool)
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*obj.ReadOnly = false
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}
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},
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func(sio *api.ScaleIOVolumeSource, c fuzz.Continue) {
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sio.ProtectionDomain = c.RandString()
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if sio.ProtectionDomain == "" {
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sio.ProtectionDomain = "default"
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}
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sio.StoragePool = c.RandString()
|
|
if sio.StoragePool == "" {
|
|
sio.StoragePool = "default"
|
|
}
|
|
sio.StorageMode = c.RandString()
|
|
if sio.StorageMode == "" {
|
|
sio.StorageMode = "ThinProvisioned"
|
|
}
|
|
sio.FSType = c.RandString()
|
|
if sio.FSType == "" {
|
|
sio.FSType = "xfs"
|
|
}
|
|
},
|
|
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 extensionFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
func(j *extensions.DeploymentSpec, c fuzz.Continue) {
|
|
c.FuzzNoCustom(j) // fuzz self without calling this function again
|
|
rhl := int32(c.Rand.Int31())
|
|
pds := int32(c.Rand.Int31())
|
|
j.RevisionHistoryLimit = &rhl
|
|
j.ProgressDeadlineSeconds = &pds
|
|
},
|
|
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(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(j *extensions.DaemonSetSpec, c fuzz.Continue) {
|
|
c.FuzzNoCustom(j) // fuzz self without calling this function again
|
|
rhl := int32(c.Rand.Int31())
|
|
j.RevisionHistoryLimit = &rhl
|
|
},
|
|
func(j *extensions.DaemonSetUpdateStrategy, c fuzz.Continue) {
|
|
c.FuzzNoCustom(j) // fuzz self without calling this function again
|
|
// Ensure that strategyType is one of valid values.
|
|
strategyTypes := []extensions.DaemonSetUpdateStrategyType{extensions.RollingUpdateDaemonSetStrategyType, extensions.OnDeleteDaemonSetStrategyType}
|
|
j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
|
|
if j.Type != extensions.RollingUpdateDaemonSetStrategyType {
|
|
j.RollingUpdate = nil
|
|
} else {
|
|
rollingUpdate := extensions.RollingUpdateDaemonSet{}
|
|
if c.RandBool() {
|
|
if c.RandBool() {
|
|
rollingUpdate.MaxUnavailable = intstr.FromInt(1 + int(c.Rand.Int31()))
|
|
} else {
|
|
rollingUpdate.MaxUnavailable = intstr.FromString(fmt.Sprintf("%d%%", 1+c.Rand.Int31()))
|
|
}
|
|
}
|
|
j.RollingUpdate = &rollingUpdate
|
|
}
|
|
},
|
|
}
|
|
}
|
|
|
|
func batchFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
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 = ¶llelism
|
|
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()
|
|
if hasSuccessLimit := c.RandBool(); hasSuccessLimit {
|
|
successfulJobsHistoryLimit := int32(c.Rand.Int31())
|
|
sj.SuccessfulJobsHistoryLimit = &successfulJobsHistoryLimit
|
|
}
|
|
if hasFailedLimit := c.RandBool(); hasFailedLimit {
|
|
failedJobsHistoryLimit := int32(c.Rand.Int31())
|
|
sj.FailedJobsHistoryLimit = &failedJobsHistoryLimit
|
|
}
|
|
},
|
|
func(cp *batch.ConcurrencyPolicy, c fuzz.Continue) {
|
|
policies := []batch.ConcurrencyPolicy{batch.AllowConcurrent, batch.ForbidConcurrent, batch.ReplaceConcurrent}
|
|
*cp = policies[c.Rand.Intn(len(policies))]
|
|
},
|
|
}
|
|
}
|
|
|
|
func autoscalingFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
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
|
|
|
|
randomQuantity := func() resource.Quantity {
|
|
var q resource.Quantity
|
|
c.Fuzz(&q)
|
|
// precalc the string for benchmarking purposes
|
|
_ = q.String()
|
|
return q
|
|
}
|
|
|
|
targetUtilization := int32(c.RandUint64())
|
|
s.Metrics = []autoscaling.MetricSpec{
|
|
{
|
|
Type: autoscaling.PodsMetricSourceType,
|
|
Pods: &autoscaling.PodsMetricSource{
|
|
MetricName: c.RandString(),
|
|
TargetAverageValue: randomQuantity(),
|
|
},
|
|
},
|
|
{
|
|
Type: autoscaling.ResourceMetricSourceType,
|
|
Resource: &autoscaling.ResourceMetricSource{
|
|
Name: api.ResourceCPU,
|
|
TargetAverageUtilization: &targetUtilization,
|
|
},
|
|
},
|
|
}
|
|
},
|
|
func(s *autoscaling.HorizontalPodAutoscalerStatus, c fuzz.Continue) {
|
|
c.FuzzNoCustom(s) // fuzz self without calling this function again
|
|
randomQuantity := func() resource.Quantity {
|
|
var q resource.Quantity
|
|
c.Fuzz(&q)
|
|
// precalc the string for benchmarking purposes
|
|
_ = q.String()
|
|
return q
|
|
}
|
|
currentUtilization := int32(c.RandUint64())
|
|
s.CurrentMetrics = []autoscaling.MetricStatus{
|
|
{
|
|
Type: autoscaling.PodsMetricSourceType,
|
|
Pods: &autoscaling.PodsMetricStatus{
|
|
MetricName: c.RandString(),
|
|
CurrentAverageValue: randomQuantity(),
|
|
},
|
|
},
|
|
{
|
|
Type: autoscaling.ResourceMetricSourceType,
|
|
Resource: &autoscaling.ResourceMetricStatus{
|
|
Name: api.ResourceCPU,
|
|
CurrentAverageUtilization: ¤tUtilization,
|
|
},
|
|
},
|
|
}
|
|
},
|
|
}
|
|
}
|
|
|
|
func rbacFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
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 *rbac.Subject, c fuzz.Continue) {
|
|
switch c.Int31n(3) {
|
|
case 0:
|
|
r.Kind = rbac.ServiceAccountKind
|
|
r.APIGroup = ""
|
|
c.FuzzNoCustom(&r.Name)
|
|
c.FuzzNoCustom(&r.Namespace)
|
|
case 1:
|
|
r.Kind = rbac.UserKind
|
|
r.APIGroup = rbac.GroupName
|
|
c.FuzzNoCustom(&r.Name)
|
|
// user "*" won't round trip because we convert it to the system:authenticated group. try again.
|
|
for r.Name == "*" {
|
|
c.FuzzNoCustom(&r.Name)
|
|
}
|
|
case 2:
|
|
r.Kind = rbac.GroupKind
|
|
r.APIGroup = rbac.GroupName
|
|
c.FuzzNoCustom(&r.Name)
|
|
}
|
|
},
|
|
}
|
|
}
|
|
|
|
func appsFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
func(s *apps.StatefulSet, c fuzz.Continue) {
|
|
c.FuzzNoCustom(s) // fuzz self without calling this function again
|
|
|
|
// match defaulter
|
|
if len(s.Spec.PodManagementPolicy) == 0 {
|
|
s.Spec.PodManagementPolicy = apps.OrderedReadyPodManagement
|
|
}
|
|
if len(s.Spec.UpdateStrategy.Type) == 0 {
|
|
s.Spec.UpdateStrategy.Type = apps.RollingUpdateStatefulSetStrategyType
|
|
}
|
|
if s.Spec.RevisionHistoryLimit == nil {
|
|
s.Spec.RevisionHistoryLimit = new(int32)
|
|
*s.Spec.RevisionHistoryLimit = 10
|
|
}
|
|
if s.Status.ObservedGeneration == nil {
|
|
s.Status.ObservedGeneration = new(int64)
|
|
}
|
|
},
|
|
}
|
|
}
|
|
func policyFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
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 certificateFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
func(obj *certificates.CertificateSigningRequestSpec, c fuzz.Continue) {
|
|
c.FuzzNoCustom(obj) // fuzz self without calling this function again
|
|
obj.Usages = []certificates.KeyUsage{certificates.UsageKeyEncipherment}
|
|
},
|
|
}
|
|
}
|
|
|
|
func admissionregistrationFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
|
|
return []interface{}{
|
|
func(obj *admissionregistration.ExternalAdmissionHook, c fuzz.Continue) {
|
|
c.FuzzNoCustom(obj) // fuzz self without calling this function again
|
|
p := admissionregistration.FailurePolicyType("Fail")
|
|
obj.FailurePolicy = &p
|
|
},
|
|
func(obj *admissionregistration.Initializer, c fuzz.Continue) {
|
|
c.FuzzNoCustom(obj) // fuzz self without calling this function again
|
|
p := admissionregistration.FailurePolicyType("Fail")
|
|
obj.FailurePolicy = &p
|
|
},
|
|
}
|
|
}
|
|
|
|
var FuzzerFuncs = fuzzer.MergeFuzzerFuncs(
|
|
genericfuzzer.Funcs,
|
|
overrideGenericFuncs,
|
|
coreFuncs,
|
|
extensionFuncs,
|
|
appsFuncs,
|
|
batchFuncs,
|
|
autoscalingFuncs,
|
|
rbacFuncs,
|
|
kubeadmfuzzer.Funcs,
|
|
policyFuncs,
|
|
certificateFuncs,
|
|
admissionregistrationFuncs,
|
|
)
|
|
|
|
func newBool(val bool) *bool {
|
|
p := new(bool)
|
|
*p = val
|
|
return p
|
|
}
|