100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
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/*
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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 fuzzer
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import (
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"github.com/google/gofuzz"
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apitesting "k8s.io/apimachinery/pkg/api/testing"
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"k8s.io/apimachinery/pkg/runtime"
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runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
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examplev1 "k8s.io/apiserver/pkg/apis/example/v1"
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"k8s.io/apiserver/pkg/apis/example"
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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(t apitesting.TestingCommon, 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{&example.Pod{}}
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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{&example.Pod{}}
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obj := types[c.Rand.Intn(len(types))]
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c.Fuzz(obj)
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// Convert the object to raw bytes
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bytes, err := runtime.Encode(apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion), obj)
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if err != nil {
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t.Errorf("Failed to encode object: %v", err)
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return
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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 exampleFuncs(t apitesting.TestingCommon) []interface{} {
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return []interface{}{
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func(s *example.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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if s.SchedulerName == "" {
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s.SchedulerName = "default-scheduler"
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}
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},
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func(j *example.PodPhase, c fuzz.Continue) {
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statuses := []example.PodPhase{"Pending", "Running", "Succeeded", "Failed", "Unknown"}
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*j = statuses[c.Rand.Intn(len(statuses))]
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},
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func(rp *example.RestartPolicy, c fuzz.Continue) {
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policies := []example.RestartPolicy{"Always", "Never", "OnFailure"}
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*rp = policies[c.Rand.Intn(len(policies))]
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},
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}
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}
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func Funcs(t apitesting.TestingCommon, codecs runtimeserializer.CodecFactory) []interface{} {
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return apitesting.MergeFuzzerFuncs(t,
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apitesting.GenericFuzzerFuncs(t, codecs),
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overrideGenericFuncs(t, codecs),
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exampleFuncs(t),
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)
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}
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