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Graduate EndpointSliceProxying and WindowsEndpointSliceProxying Gates

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This commit is contained in:
Swetha Repakula
2021-07-02 15:49:19 -07:00
parent d7123a6524
commit 0a42f7b989
13 changed files with 1498 additions and 1850 deletions
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40
pkg/proxy/iptables/proxier.go
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@@ -191,10 +191,9 @@ type Proxier struct {
endpointsMap proxy.EndpointsMap
portsMap map[utilnet.LocalPort]utilnet.Closeable
nodeLabels map[string]string
// endpointsSynced, endpointSlicesSynced, and servicesSynced are set to true
// endpointSlicesSynced, and servicesSynced are set to true
// when corresponding objects are synced after startup. This is used to avoid
// updating iptables with some partial data after kube-proxy restart.
endpointsSynced bool
endpointSlicesSynced bool
servicesSynced bool
initialized int32
@@ -281,8 +280,6 @@ func NewProxier(ipt utiliptables.Interface,
masqueradeMark := fmt.Sprintf("%#08x", masqueradeValue)
klog.V(2).InfoS("Using iptables mark for masquerade", "ipFamily", ipt.Protocol(), "mark", masqueradeMark)
endpointSlicesEnabled := utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceProxying)
serviceHealthServer := healthcheck.NewServiceHealthServer(hostname, recorder)
ipFamily := v1.IPv4Protocol
@@ -302,7 +299,7 @@ func NewProxier(ipt utiliptables.Interface,
serviceMap: make(proxy.ServiceMap),
serviceChanges: proxy.NewServiceChangeTracker(newServiceInfo, ipFamily, recorder, nil),
endpointsMap: make(proxy.EndpointsMap),
endpointsChanges: proxy.NewEndpointChangeTracker(hostname, newEndpointInfo, ipFamily, recorder, endpointSlicesEnabled, nil),
endpointsChanges: proxy.NewEndpointChangeTracker(hostname, newEndpointInfo, ipFamily, recorder, nil),
syncPeriod: syncPeriod,
iptables: ipt,
masqueradeAll: masqueradeAll,
@@ -575,48 +572,31 @@ func (proxier *Proxier) OnServiceDelete(service *v1.Service) {
func (proxier *Proxier) OnServiceSynced() {
proxier.mu.Lock()
proxier.servicesSynced = true
if utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceProxying) {
proxier.setInitialized(proxier.endpointSlicesSynced)
} else {
proxier.setInitialized(proxier.endpointsSynced)
}
proxier.setInitialized(proxier.endpointSlicesSynced)
proxier.mu.Unlock()
// Sync unconditionally - this is called once per lifetime.
proxier.syncProxyRules()
}
// iptables proxier only uses EndpointSlice, the following methods
// exist to implement the Proxier interface but are noops
// OnEndpointsAdd is called whenever creation of new endpoints object
// is observed.
func (proxier *Proxier) OnEndpointsAdd(endpoints *v1.Endpoints) {
proxier.OnEndpointsUpdate(nil, endpoints)
}
func (proxier *Proxier) OnEndpointsAdd(endpoints *v1.Endpoints) {}
// OnEndpointsUpdate is called whenever modification of an existing
// endpoints object is observed.
func (proxier *Proxier) OnEndpointsUpdate(oldEndpoints, endpoints *v1.Endpoints) {
if proxier.endpointsChanges.Update(oldEndpoints, endpoints) && proxier.isInitialized() {
proxier.Sync()
}
}
func (proxier *Proxier) OnEndpointsUpdate(oldEndpoints, endpoints *v1.Endpoints) {}
// OnEndpointsDelete is called whenever deletion of an existing endpoints
// object is observed.
func (proxier *Proxier) OnEndpointsDelete(endpoints *v1.Endpoints) {
proxier.OnEndpointsUpdate(endpoints, nil)
}
func (proxier *Proxier) OnEndpointsDelete(endpoints *v1.Endpoints) {}
// OnEndpointsSynced is called once all the initial event handlers were
// called and the state is fully propagated to local cache.
func (proxier *Proxier) OnEndpointsSynced() {
proxier.mu.Lock()
proxier.endpointsSynced = true
proxier.setInitialized(proxier.servicesSynced)
proxier.mu.Unlock()
// Sync unconditionally - this is called once per lifetime.
proxier.syncProxyRules()
}
func (proxier *Proxier) OnEndpointsSynced() {}
// OnEndpointSliceAdd is called whenever creation of a new endpoint slice object
// is observed.