109 lines
4.3 KiB
Go
109 lines
4.3 KiB
Go
/*
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Copyright 2017 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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"fmt"
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fuzz "github.com/google/gofuzz"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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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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"k8s.io/kubernetes/pkg/apis/extensions"
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)
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// Funcs returns the fuzzer functions for the extensions api group.
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var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
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return []interface{}{
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func(j *extensions.DeploymentSpec, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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rhl := int32(c.Rand.Int31())
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pds := int32(c.Rand.Int31())
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j.RevisionHistoryLimit = &rhl
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j.ProgressDeadlineSeconds = &pds
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},
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func(j *extensions.DeploymentStrategy, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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// Ensure that strategyType is one of valid values.
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strategyTypes := []extensions.DeploymentStrategyType{extensions.RecreateDeploymentStrategyType, extensions.RollingUpdateDeploymentStrategyType}
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j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
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if j.Type != extensions.RollingUpdateDeploymentStrategyType {
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j.RollingUpdate = nil
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} else {
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rollingUpdate := extensions.RollingUpdateDeployment{}
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if c.RandBool() {
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rollingUpdate.MaxUnavailable = intstr.FromInt(int(c.Rand.Int31()))
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rollingUpdate.MaxSurge = intstr.FromInt(int(c.Rand.Int31()))
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} else {
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rollingUpdate.MaxSurge = intstr.FromString(fmt.Sprintf("%d%%", c.Rand.Int31()))
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}
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j.RollingUpdate = &rollingUpdate
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}
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},
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func(psp *extensions.PodSecurityPolicySpec, c fuzz.Continue) {
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c.FuzzNoCustom(psp) // fuzz self without calling this function again
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runAsUserRules := []extensions.RunAsUserStrategy{extensions.RunAsUserStrategyMustRunAsNonRoot, extensions.RunAsUserStrategyMustRunAs, extensions.RunAsUserStrategyRunAsAny}
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psp.RunAsUser.Rule = runAsUserRules[c.Rand.Intn(len(runAsUserRules))]
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seLinuxRules := []extensions.SELinuxStrategy{extensions.SELinuxStrategyRunAsAny, extensions.SELinuxStrategyMustRunAs}
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psp.SELinux.Rule = seLinuxRules[c.Rand.Intn(len(seLinuxRules))]
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},
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func(s *extensions.Scale, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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// TODO: Implement a fuzzer to generate valid keys, values and operators for
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// selector requirements.
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if s.Status.Selector != nil {
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s.Status.Selector = &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"testlabelkey": "testlabelval",
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},
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MatchExpressions: []metav1.LabelSelectorRequirement{
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{
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Key: "testkey",
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Operator: metav1.LabelSelectorOpIn,
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Values: []string{"val1", "val2", "val3"},
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},
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},
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}
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}
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},
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func(j *extensions.DaemonSetSpec, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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rhl := int32(c.Rand.Int31())
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j.RevisionHistoryLimit = &rhl
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},
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func(j *extensions.DaemonSetUpdateStrategy, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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// Ensure that strategyType is one of valid values.
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strategyTypes := []extensions.DaemonSetUpdateStrategyType{extensions.RollingUpdateDaemonSetStrategyType, extensions.OnDeleteDaemonSetStrategyType}
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j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
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if j.Type != extensions.RollingUpdateDaemonSetStrategyType {
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j.RollingUpdate = nil
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} else {
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rollingUpdate := extensions.RollingUpdateDaemonSet{}
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if c.RandBool() {
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if c.RandBool() {
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rollingUpdate.MaxUnavailable = intstr.FromInt(1 + int(c.Rand.Int31()))
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} else {
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rollingUpdate.MaxUnavailable = intstr.FromString(fmt.Sprintf("%d%%", 1+c.Rand.Int31()))
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}
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}
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j.RollingUpdate = &rollingUpdate
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}
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},
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}
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}
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