kubernetes/pkg/kubelet/apis/config/fuzzer/fuzzer.go
jinxu 0064010cdd Promote Local storage capacity isolation feature to GA
This change is to promote local storage capacity isolation feature to GA

At the same time, to allow rootless system disable this feature due to
unable to get root fs, this change introduced a new kubelet config
"localStorageCapacityIsolation". By default it is set to true. For
rootless systems, they can set this configuration to false to disable
the feature. Once it is set, user cannot set ephemeral-storage
request/limit because capacity and allocatable will not be set.

Change-Id: I48a52e737c6a09e9131454db6ad31247b56c000a
2022-08-02 23:45:48 -07:00

117 lines
4.8 KiB
Go

/*
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 (
"math/rand"
"time"
fuzz "github.com/google/gofuzz"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/kubelet/config/v1beta1"
"k8s.io/kubernetes/pkg/cluster/ports"
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"
utilpointer "k8s.io/utils/pointer"
)
// 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.EnableServer = true
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.KernelMemcgNotification = false
obj.MaxOpenFiles = 1000000
obj.MaxPods = 110
obj.MemoryManagerPolicy = v1beta1.NoneMemoryManagerPolicy
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.CPUManagerPolicyOptions = make(map[string]string)
obj.CPUManagerReconcilePeriod = obj.NodeStatusUpdateFrequency
obj.NodeStatusMaxImages = 50
obj.TopologyManagerPolicy = kubeletconfig.NoneTopologyManagerPolicy
obj.TopologyManagerScope = kubeletconfig.ContainerTopologyManagerScope
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"
obj.AllowedUnsafeSysctls = []string{}
obj.VolumePluginDir = kubeletconfigv1beta1.DefaultVolumePluginDir
if obj.Logging.Format == "" {
obj.Logging.Format = "text"
}
obj.EnableSystemLogHandler = true
obj.MemoryThrottlingFactor = utilpointer.Float64Ptr(rand.Float64())
obj.LocalStorageCapacityIsolation = true
},
}
}