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fuzzer.go
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fuzzer.go
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/*
Copyright 2017 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 (
"time"
"github.com/google/gofuzz"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/kubelet/config/v1beta1"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
kubeletconfigv1beta1 "k8s.io/kubernetes/pkg/kubelet/apis/config/v1beta1"
"k8s.io/kubernetes/pkg/kubelet/qos"
kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
"k8s.io/kubernetes/pkg/master/ports"
)
// Funcs returns the fuzzer functions for the kubeletconfig apis.
func Funcs(codecs runtimeserializer.CodecFactory) []interface{} {
return []interface{}{
// provide non-empty values for fields with defaults, so the defaulter doesn't change values during round-trip
func(obj *kubeletconfig.KubeletConfiguration, c fuzz.Continue) {
c.FuzzNoCustom(obj)
obj.Authentication.Anonymous.Enabled = true
obj.Authentication.Webhook.Enabled = false
obj.Authentication.Webhook.CacheTTL = metav1.Duration{Duration: 2 * time.Minute}
obj.Authorization.Mode = kubeletconfig.KubeletAuthorizationModeAlwaysAllow
obj.Authorization.Webhook.CacheAuthorizedTTL = metav1.Duration{Duration: 5 * time.Minute}
obj.Authorization.Webhook.CacheUnauthorizedTTL = metav1.Duration{Duration: 30 * time.Second}
obj.Address = "0.0.0.0"
obj.VolumeStatsAggPeriod = metav1.Duration{Duration: time.Minute}
obj.RuntimeRequestTimeout = metav1.Duration{Duration: 2 * time.Minute}
obj.CPUCFSQuota = true
obj.EventBurst = 10
obj.EventRecordQPS = 5
obj.EnableControllerAttachDetach = true
obj.EnableDebuggingHandlers = true
obj.FileCheckFrequency = metav1.Duration{Duration: 20 * time.Second}
obj.HealthzBindAddress = "127.0.0.1"
obj.HealthzPort = 10248
obj.HTTPCheckFrequency = metav1.Duration{Duration: 20 * time.Second}
obj.ImageMinimumGCAge = metav1.Duration{Duration: 2 * time.Minute}
obj.ImageGCHighThresholdPercent = 85
obj.ImageGCLowThresholdPercent = 80
obj.MaxOpenFiles = 1000000
obj.MaxPods = 110
obj.PodPidsLimit = -1
obj.NodeStatusUpdateFrequency = metav1.Duration{Duration: 10 * time.Second}
obj.NodeStatusReportFrequency = metav1.Duration{Duration: time.Minute}
obj.NodeLeaseDurationSeconds = 40
obj.CPUManagerPolicy = "none"
obj.CPUManagerReconcilePeriod = obj.NodeStatusUpdateFrequency
obj.QOSReserved = map[string]string{
"memory": "50%",
}
obj.OOMScoreAdj = int32(qos.KubeletOOMScoreAdj)
obj.Port = ports.KubeletPort
obj.ReadOnlyPort = ports.KubeletReadOnlyPort
obj.RegistryBurst = 10
obj.RegistryPullQPS = 5
obj.ResolverConfig = kubetypes.ResolvConfDefault
obj.SerializeImagePulls = true
obj.StreamingConnectionIdleTimeout = metav1.Duration{Duration: 4 * time.Hour}
obj.SyncFrequency = metav1.Duration{Duration: 1 * time.Minute}
obj.ContentType = "application/vnd.kubernetes.protobuf"
obj.KubeAPIQPS = 5
obj.KubeAPIBurst = 10
obj.HairpinMode = v1beta1.PromiscuousBridge
obj.EvictionHard = kubeletconfigv1beta1.DefaultEvictionHard
obj.EvictionPressureTransitionPeriod = metav1.Duration{Duration: 5 * time.Minute}
obj.MakeIPTablesUtilChains = true
obj.IPTablesMasqueradeBit = kubeletconfigv1beta1.DefaultIPTablesMasqueradeBit
obj.IPTablesDropBit = kubeletconfigv1beta1.DefaultIPTablesDropBit
obj.CgroupsPerQOS = true
obj.CgroupDriver = "cgroupfs"
obj.EnforceNodeAllocatable = kubeletconfigv1beta1.DefaultNodeAllocatableEnforcement
obj.StaticPodURLHeader = make(map[string][]string)
obj.ContainerLogMaxFiles = 5
obj.ContainerLogMaxSize = "10Mi"
obj.ConfigMapAndSecretChangeDetectionStrategy = "Watch"
},
}
}