| /* |
| 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 fuzzer |
| |
| import ( |
| "fmt" |
| |
| "github.com/google/gofuzz" |
| |
| apitesting "k8s.io/apimachinery/pkg/api/apitesting" |
| "k8s.io/apimachinery/pkg/api/apitesting/fuzzer" |
| "k8s.io/apimachinery/pkg/runtime" |
| runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer" |
| "k8s.io/apiserver/pkg/apis/example" |
| examplev1 "k8s.io/apiserver/pkg/apis/example/v1" |
| ) |
| |
| // overrideMetaFuncs override some generic fuzzer funcs from k8s.io/apiserver in order to have more realistic |
| // values in a Kubernetes context. |
| func overrideMetaFuncs(codecs runtimeserializer.CodecFactory) []interface{} { |
| return []interface{}{ |
| 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{&example.Pod{}} |
| t := types[c.Rand.Intn(len(types))] |
| c.Fuzz(t) |
| *j = t |
| } |
| }, |
| func(r *runtime.RawExtension, c fuzz.Continue) { |
| // Pick an arbitrary type and fuzz it |
| types := []runtime.Object{&example.Pod{}} |
| obj := types[c.Rand.Intn(len(types))] |
| c.Fuzz(obj) |
| |
| // Convert the object to raw bytes |
| bytes, err := runtime.Encode(apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion), obj) |
| if err != nil { |
| panic(fmt.Sprintf("Failed to encode object: %v", err)) |
| } |
| |
| // Set the bytes field on the RawExtension |
| r.Raw = bytes |
| }, |
| } |
| } |
| |
| func exampleFuncs(codecs runtimeserializer.CodecFactory) []interface{} { |
| return []interface{}{ |
| func(s *example.PodSpec, c fuzz.Continue) { |
| c.FuzzNoCustom(s) |
| // has a default value |
| ttl := int64(30) |
| if c.RandBool() { |
| ttl = int64(c.Uint32()) |
| } |
| s.TerminationGracePeriodSeconds = &ttl |
| |
| if s.SchedulerName == "" { |
| s.SchedulerName = "default-scheduler" |
| } |
| }, |
| func(j *example.PodPhase, c fuzz.Continue) { |
| statuses := []example.PodPhase{"Pending", "Running", "Succeeded", "Failed", "Unknown"} |
| *j = statuses[c.Rand.Intn(len(statuses))] |
| }, |
| func(rp *example.RestartPolicy, c fuzz.Continue) { |
| policies := []example.RestartPolicy{"Always", "Never", "OnFailure"} |
| *rp = policies[c.Rand.Intn(len(policies))] |
| }, |
| } |
| } |
| |
| // Funcs returns the fuzzer functions for the example api group. |
| var Funcs = fuzzer.MergeFuzzerFuncs( |
| overrideMetaFuncs, |
| exampleFuncs, |
| ) |