kubernetes/pkg/kubelet/apis/kubeletconfig/fuzzer/fuzzer.go
Davanum Srinivas ecd6361ff0 Set pids limit at pod level
Add a new Alpha Feature to set a maximum number of pids per Pod.
This is to allow the use case where cluster administrators wish
to limit the pids consumed per pod (example when running a CI system).

By default, we do not set any maximum limit, If an administrator wants
to enable this, they should enable `SupportPodPidsLimit=true` in the
`--feature-gates=` parameter to kubelet and specify the limit using the
`--pod-max-pids` parameter.

The limit set is the total count of all processes running in all
containers in the pod.
2018-01-11 21:22:38 -05:00

100 lines
4.0 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 (
"time"
"github.com/google/gofuzz"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig"
"k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig/v1alpha1"
"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.ConfigTrialDuration = &metav1.Duration{Duration: 10 * time.Minute}
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.CAdvisorPort = 4194
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.EnableServer = 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
temp := int64(-1)
obj.PodPidsLimit = &temp
obj.NodeStatusUpdateFrequency = metav1.Duration{Duration: 10 * time.Second}
obj.CPUManagerPolicy = "none"
obj.CPUManagerReconcilePeriod = obj.NodeStatusUpdateFrequency
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 = v1alpha1.PromiscuousBridge
obj.EvictionHard = map[string]string{
"memory.available": "100Mi",
"nodefs.available": "10%",
"nodefs.inodesFree": "5%",
"imagefs.available": "15%",
}
obj.EvictionPressureTransitionPeriod = metav1.Duration{Duration: 5 * time.Minute}
obj.MakeIPTablesUtilChains = true
obj.IPTablesMasqueradeBit = v1alpha1.DefaultIPTablesMasqueradeBit
obj.IPTablesDropBit = v1alpha1.DefaultIPTablesDropBit
obj.CgroupsPerQOS = true
obj.CgroupDriver = "cgroupfs"
obj.EnforceNodeAllocatable = v1alpha1.DefaultNodeAllocatableEnforcement
obj.ManifestURLHeader = make(map[string][]string)
},
}
}