fuzzer.go

Documentation: k8s.io/kubernetes/pkg/apis/discovery/fuzzer

     1  /*
     2  Copyright 2019 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package fuzzer
    18  
    19  import (
    20  	fuzz "github.com/google/gofuzz"
    21  
    22  	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
    23  	api "k8s.io/kubernetes/pkg/apis/core"
    24  	"k8s.io/kubernetes/pkg/apis/discovery"
    25  )
    26  
    27  // Funcs returns the fuzzer functions for the discovery api group.
    28  var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
    29  	return []interface{}{
    30  		func(obj *discovery.EndpointSlice, c fuzz.Continue) {
    31  			c.FuzzNoCustom(obj) // fuzz self without calling this function again
    32  
    33  			addressTypes := []discovery.AddressType{discovery.AddressTypeIPv4, discovery.AddressTypeIPv6, discovery.AddressTypeFQDN}
    34  			obj.AddressType = addressTypes[c.Rand.Intn(len(addressTypes))]
    35  
    36  			for i, endpointPort := range obj.Ports {
    37  				if endpointPort.Name == nil {
    38  					emptyStr := ""
    39  					obj.Ports[i].Name = &emptyStr
    40  				}
    41  
    42  				if endpointPort.Protocol == nil {
    43  					protos := []api.Protocol{api.ProtocolTCP, api.ProtocolUDP, api.ProtocolSCTP}
    44  					obj.Ports[i].Protocol = &protos[c.Rand.Intn(len(protos))]
    45  				}
    46  			}
    47  		},
    48  	}
    49  }
    50
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