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proxy: consolidate ServicesHandler/EndpointsHandler into ProxyProvider

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Proxies should be able to cleanly figure out when endpoints have been synced,
so make all ProxyProviders also implement EndpointsHandler and pass those
through to loadbalancers when required.
This commit is contained in:
Dan Williams
2018-12-04 23:35:34 -06:00
parent 92a2076149
commit 4b07f80d20
13 changed files with 80 additions and 81 deletions
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48
cmd/kube-proxy/app/server_windows.go
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@@ -33,7 +33,6 @@ import (
"k8s.io/client-go/tools/record"
"k8s.io/kubernetes/pkg/proxy"
proxyconfigapi "k8s.io/kubernetes/pkg/proxy/apis/config"
proxyconfig "k8s.io/kubernetes/pkg/proxy/config"
"k8s.io/kubernetes/pkg/proxy/healthcheck"
"k8s.io/kubernetes/pkg/proxy/winkernel"
"k8s.io/kubernetes/pkg/proxy/winuserspace"
@@ -94,13 +93,11 @@ func newProxyServer(config *proxyconfigapi.KubeProxyConfiguration, cleanupAndExi
}
var proxier proxy.ProxyProvider
var serviceEventHandler proxyconfig.ServiceHandler
var endpointsEventHandler proxyconfig.EndpointsHandler
proxyMode := getProxyMode(string(config.Mode), winkernel.WindowsKernelCompatTester{})
if proxyMode == proxyModeKernelspace {
klog.V(0).Info("Using Kernelspace Proxier.")
proxierKernelspace, err := winkernel.NewProxier(
proxier, err = winkernel.NewProxier(
config.IPTables.SyncPeriod.Duration,
config.IPTables.MinSyncPeriod.Duration,
config.IPTables.MasqueradeAll,
@@ -115,23 +112,14 @@ func newProxyServer(config *proxyconfigapi.KubeProxyConfiguration, cleanupAndExi
if err != nil {
return nil, fmt.Errorf("unable to create proxier: %v", err)
}
proxier = proxierKernelspace
endpointsEventHandler = proxierKernelspace
serviceEventHandler = proxierKernelspace
} else {
klog.V(0).Info("Using userspace Proxier.")
execer := exec.New()
var netshInterface utilnetsh.Interface
netshInterface = utilnetsh.New(execer)
// This is a proxy.LoadBalancer which NewProxier needs but has methods we don't need for
// our config.EndpointsConfigHandler.
loadBalancer := winuserspace.NewLoadBalancerRR()
// set EndpointsConfigHandler to our loadBalancer
endpointsEventHandler = loadBalancer
proxierUserspace, err := winuserspace.NewProxier(
loadBalancer,
proxier, err = winuserspace.NewProxier(
winuserspace.NewLoadBalancerRR(),
net.ParseIP(config.BindAddress),
netshInterface,
*utilnet.ParsePortRangeOrDie(config.PortRange),
@@ -142,26 +130,22 @@ func newProxyServer(config *proxyconfigapi.KubeProxyConfiguration, cleanupAndExi
if err != nil {
return nil, fmt.Errorf("unable to create proxier: %v", err)
}
proxier = proxierUserspace
serviceEventHandler = proxierUserspace
}
return &ProxyServer{
Client: client,
EventClient: eventClient,
Proxier: proxier,
Broadcaster: eventBroadcaster,
Recorder: recorder,
ProxyMode: proxyMode,
NodeRef: nodeRef,
MetricsBindAddress: config.MetricsBindAddress,
EnableProfiling: config.EnableProfiling,
OOMScoreAdj: config.OOMScoreAdj,
ResourceContainer: config.ResourceContainer,
ConfigSyncPeriod: config.ConfigSyncPeriod.Duration,
ServiceEventHandler: serviceEventHandler,
EndpointsEventHandler: endpointsEventHandler,
HealthzServer: healthzServer,
Client: client,
EventClient: eventClient,
Proxier: proxier,
Broadcaster: eventBroadcaster,
Recorder: recorder,
ProxyMode: proxyMode,
NodeRef: nodeRef,
MetricsBindAddress: config.MetricsBindAddress,
EnableProfiling: config.EnableProfiling,
OOMScoreAdj: config.OOMScoreAdj,
ResourceContainer: config.ResourceContainer,
ConfigSyncPeriod: config.ConfigSyncPeriod.Duration,
HealthzServer: healthzServer,
}, nil
}