mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-14 02:10:21 +00:00
139 lines
4.0 KiB
Go
139 lines
4.0 KiB
Go
/*
|
|
Copyright 2015 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 kubemark
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
clientset "k8s.io/client-go/kubernetes"
|
|
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
|
|
"k8s.io/client-go/tools/record"
|
|
proxyapp "k8s.io/kubernetes/cmd/kube-proxy/app"
|
|
"k8s.io/kubernetes/pkg/proxy"
|
|
proxyconfig "k8s.io/kubernetes/pkg/proxy/config"
|
|
"k8s.io/kubernetes/pkg/proxy/iptables"
|
|
utiliptables "k8s.io/kubernetes/pkg/util/iptables"
|
|
utilnode "k8s.io/kubernetes/pkg/util/node"
|
|
utilsysctl "k8s.io/kubernetes/pkg/util/sysctl"
|
|
utilexec "k8s.io/utils/exec"
|
|
utilpointer "k8s.io/utils/pointer"
|
|
|
|
"k8s.io/klog"
|
|
)
|
|
|
|
type HollowProxy struct {
|
|
ProxyServer *proxyapp.ProxyServer
|
|
}
|
|
|
|
type FakeProxier struct{}
|
|
|
|
func (*FakeProxier) Sync() {}
|
|
func (*FakeProxier) SyncLoop() {
|
|
select {}
|
|
}
|
|
func (*FakeProxier) OnServiceAdd(service *v1.Service) {}
|
|
func (*FakeProxier) OnServiceUpdate(oldService, service *v1.Service) {}
|
|
func (*FakeProxier) OnServiceDelete(service *v1.Service) {}
|
|
func (*FakeProxier) OnServiceSynced() {}
|
|
func (*FakeProxier) OnEndpointsAdd(endpoints *v1.Endpoints) {}
|
|
func (*FakeProxier) OnEndpointsUpdate(oldEndpoints, endpoints *v1.Endpoints) {}
|
|
func (*FakeProxier) OnEndpointsDelete(endpoints *v1.Endpoints) {}
|
|
func (*FakeProxier) OnEndpointsSynced() {}
|
|
|
|
func NewHollowProxyOrDie(
|
|
nodeName string,
|
|
client clientset.Interface,
|
|
eventClient v1core.EventsGetter,
|
|
iptInterface utiliptables.Interface,
|
|
sysctl utilsysctl.Interface,
|
|
execer utilexec.Interface,
|
|
broadcaster record.EventBroadcaster,
|
|
recorder record.EventRecorder,
|
|
useRealProxier bool,
|
|
proxierSyncPeriod time.Duration,
|
|
proxierMinSyncPeriod time.Duration,
|
|
) (*HollowProxy, error) {
|
|
// Create proxier and service/endpoint handlers.
|
|
var proxier proxy.ProxyProvider
|
|
var serviceHandler proxyconfig.ServiceHandler
|
|
var endpointsHandler proxyconfig.EndpointsHandler
|
|
|
|
if useRealProxier {
|
|
// Real proxier with fake iptables, sysctl, etc underneath it.
|
|
//var err error
|
|
proxierIPTables, err := iptables.NewProxier(
|
|
iptInterface,
|
|
sysctl,
|
|
execer,
|
|
proxierSyncPeriod,
|
|
proxierMinSyncPeriod,
|
|
false,
|
|
0,
|
|
"10.0.0.0/8",
|
|
nodeName,
|
|
utilnode.GetNodeIP(client, nodeName),
|
|
recorder,
|
|
nil,
|
|
[]string{},
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("unable to create proxier: %v", err)
|
|
}
|
|
proxier = proxierIPTables
|
|
serviceHandler = proxierIPTables
|
|
endpointsHandler = proxierIPTables
|
|
} else {
|
|
proxier = &FakeProxier{}
|
|
serviceHandler = &FakeProxier{}
|
|
endpointsHandler = &FakeProxier{}
|
|
}
|
|
|
|
// Create a Hollow Proxy instance.
|
|
nodeRef := &v1.ObjectReference{
|
|
Kind: "Node",
|
|
Name: nodeName,
|
|
UID: types.UID(nodeName),
|
|
Namespace: "",
|
|
}
|
|
return &HollowProxy{
|
|
ProxyServer: &proxyapp.ProxyServer{
|
|
Client: client,
|
|
EventClient: eventClient,
|
|
IptInterface: iptInterface,
|
|
Proxier: proxier,
|
|
Broadcaster: broadcaster,
|
|
Recorder: recorder,
|
|
ProxyMode: "fake",
|
|
NodeRef: nodeRef,
|
|
OOMScoreAdj: utilpointer.Int32Ptr(0),
|
|
ResourceContainer: "",
|
|
ConfigSyncPeriod: 30 * time.Second,
|
|
ServiceEventHandler: serviceHandler,
|
|
EndpointsEventHandler: endpointsHandler,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func (hp *HollowProxy) Run() {
|
|
if err := hp.ProxyServer.Run(); err != nil {
|
|
klog.Fatalf("Error while running proxy: %v\n", err)
|
|
}
|
|
}
|