ae3235aa01
kubemark's proxy mode exists to test how kube-proxy affects the load on the apiserver, not how it affects the load on the node. There's no need to generate fake iptables commands, because that all happens entirely independently of the api watchers.
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
/*
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Copyright 2015 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 kubemark
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import (
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"fmt"
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"time"
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v1 "k8s.io/api/core/v1"
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discoveryv1 "k8s.io/api/discovery/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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clientset "k8s.io/client-go/kubernetes"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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"k8s.io/client-go/tools/events"
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proxyapp "k8s.io/kubernetes/cmd/kube-proxy/app"
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proxyconfigapi "k8s.io/kubernetes/pkg/proxy/apis/config"
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proxyconfig "k8s.io/kubernetes/pkg/proxy/config"
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"k8s.io/utils/ptr"
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)
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type HollowProxy struct {
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ProxyServer *proxyapp.ProxyServer
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}
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type FakeProxier struct {
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proxyconfig.NoopNodeHandler
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}
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func (*FakeProxier) Sync() {}
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func (*FakeProxier) SyncLoop() {
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select {}
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}
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func (*FakeProxier) OnServiceAdd(service *v1.Service) {}
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func (*FakeProxier) OnServiceUpdate(oldService, service *v1.Service) {}
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func (*FakeProxier) OnServiceDelete(service *v1.Service) {}
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func (*FakeProxier) OnServiceSynced() {}
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func (*FakeProxier) OnEndpointSliceAdd(slice *discoveryv1.EndpointSlice) {}
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func (*FakeProxier) OnEndpointSliceUpdate(oldSlice, slice *discoveryv1.EndpointSlice) {}
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func (*FakeProxier) OnEndpointSliceDelete(slice *discoveryv1.EndpointSlice) {}
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func (*FakeProxier) OnEndpointSlicesSynced() {}
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func NewHollowProxy(
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nodeName string,
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client clientset.Interface,
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eventClient v1core.EventsGetter,
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broadcaster events.EventBroadcaster,
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recorder events.EventRecorder,
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) *HollowProxy {
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return &HollowProxy{
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ProxyServer: &proxyapp.ProxyServer{
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Config: &proxyconfigapi.KubeProxyConfiguration{
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Mode: proxyconfigapi.ProxyMode("fake"),
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ConfigSyncPeriod: metav1.Duration{Duration: 30 * time.Second},
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OOMScoreAdj: ptr.To[int32](0),
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},
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Client: client,
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Proxier: &FakeProxier{},
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Broadcaster: broadcaster,
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Recorder: recorder,
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NodeRef: &v1.ObjectReference{
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Kind: "Node",
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Name: nodeName,
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UID: types.UID(nodeName),
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Namespace: "",
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},
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},
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}
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}
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func (hp *HollowProxy) Run() error {
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if err := hp.ProxyServer.Run(); err != nil {
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return fmt.Errorf("Error while running proxy: %w", err)
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}
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return nil
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}
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