mirror of https://github.com/k3s-io/k3s
142 lines
4.6 KiB
Go
142 lines
4.6 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/apps"
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)
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// Funcs returns the fuzzer functions for the apps api group.
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var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
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return []interface{}{
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func(s *apps.StatefulSet, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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// match defaulter
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if len(s.Spec.PodManagementPolicy) == 0 {
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s.Spec.PodManagementPolicy = apps.OrderedReadyPodManagement
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}
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if len(s.Spec.UpdateStrategy.Type) == 0 {
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s.Spec.UpdateStrategy.Type = apps.RollingUpdateStatefulSetStrategyType
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}
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if s.Spec.RevisionHistoryLimit == nil {
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s.Spec.RevisionHistoryLimit = new(int32)
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*s.Spec.RevisionHistoryLimit = 10
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}
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if s.Status.ObservedGeneration == nil {
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s.Status.ObservedGeneration = new(int64)
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}
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if s.Status.CollisionCount == nil {
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s.Status.CollisionCount = new(int32)
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}
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if s.Spec.Selector == nil {
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s.Spec.Selector = &metav1.LabelSelector{MatchLabels: s.Spec.Template.Labels}
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}
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if len(s.Labels) == 0 {
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s.Labels = s.Spec.Template.Labels
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}
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},
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func(j *apps.Deployment, c fuzz.Continue) {
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c.FuzzNoCustom(j)
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// match defaulting
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if j.Spec.Selector == nil {
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j.Spec.Selector = &metav1.LabelSelector{MatchLabels: j.Spec.Template.Labels}
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}
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if len(j.Labels) == 0 {
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j.Labels = j.Spec.Template.Labels
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}
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},
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func(j *apps.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 *apps.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 := []apps.DeploymentStrategyType{apps.RecreateDeploymentStrategyType, apps.RollingUpdateDeploymentStrategyType}
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j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
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if j.Type != apps.RollingUpdateDeploymentStrategyType {
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j.RollingUpdate = nil
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} else {
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rollingUpdate := apps.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(j *apps.DaemonSet, c fuzz.Continue) {
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c.FuzzNoCustom(j)
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// match defaulter
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j.Spec.Template.Generation = 0
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if len(j.ObjectMeta.Labels) == 0 {
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j.ObjectMeta.Labels = j.Spec.Template.ObjectMeta.Labels
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}
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},
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func(j *apps.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 *apps.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 := []apps.DaemonSetUpdateStrategyType{apps.RollingUpdateDaemonSetStrategyType, apps.OnDeleteDaemonSetStrategyType}
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j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
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if j.Type != apps.RollingUpdateDaemonSetStrategyType {
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j.RollingUpdate = nil
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} else {
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rollingUpdate := apps.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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func(j *apps.ReplicaSet, c fuzz.Continue) {
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c.FuzzNoCustom(j)
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// match defaulter
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if j.Spec.Selector == nil {
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j.Spec.Selector = &metav1.LabelSelector{MatchLabels: j.Spec.Template.Labels}
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}
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if len(j.Labels) == 0 {
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j.Labels = j.Spec.Template.Labels
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}
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},
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}
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}
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