Adding EndpointSlice support for kube-proxy ipvs and iptables proxiers

pkg/proxy/winkernel/BUILD

@@ -18,6 +18,7 @@ go_library(
             "//pkg/apis/core/v1/helper:go_default_library",
             "//pkg/proxy:go_default_library",
             "//pkg/proxy/apis/config:go_default_library",
+            "//pkg/proxy/config:go_default_library",
             "//pkg/proxy/healthcheck:go_default_library",
             "//pkg/util/async:go_default_library",
             "//staging/src/k8s.io/api/core/v1:go_default_library",
@@ -61,6 +62,7 @@ go_test(
         "@io_bazel_rules_go//go/platform:windows": [
             "//pkg/proxy:go_default_library",
             "//staging/src/k8s.io/api/core/v1:go_default_library",
+            "//staging/src/k8s.io/api/discovery/v1alpha1:go_default_library",
             "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
             "//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
             "//vendor/github.com/Microsoft/hcsshim/hcn:go_default_library",

pkg/proxy/winkernel/proxier.go

@@ -45,6 +45,7 @@ import (
 	"k8s.io/kubernetes/pkg/apis/core/v1/helper"
 	"k8s.io/kubernetes/pkg/proxy"
 	"k8s.io/kubernetes/pkg/proxy/apis/config"
+	proxyconfig "k8s.io/kubernetes/pkg/proxy/config"
 	"k8s.io/kubernetes/pkg/proxy/healthcheck"
 	"k8s.io/kubernetes/pkg/util/async"
 )
@@ -441,6 +442,9 @@ func (em proxyEndpointsMap) unmerge(other proxyEndpointsMap, curServices proxySe
 // Proxier is an hns based proxy for connections between a localhost:lport
 // and services that provide the actual backends.
 type Proxier struct {
+	// EndpointSlice support has not been added for this proxier yet.
+	proxyconfig.NoopEndpointSliceHandler
+
 	// endpointsChanges and serviceChanges contains all changes to endpoints and
 	// services that happened since policies were synced. For a single object,
 	// changes are accumulated, i.e. previous is state from before all of them,

pkg/proxy/winkernel/proxier_test.go

@@ -20,6 +20,7 @@ package winkernel
 
 import (
 	"k8s.io/api/core/v1"
+	discovery "k8s.io/api/discovery/v1alpha1"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/kubernetes/pkg/proxy"
 
@@ -331,6 +332,15 @@ func TestCreateLoadBalancer(t *testing.T) {
 		t.Errorf("%v does not match %v", proxier.serviceMap[svcPortName].hnsID, guid)
 	}
 }
+
+func TestNoopEndpointSlice(t *testing.T) {
+	p := Proxier{}
+	p.OnEndpointSliceAdd(&discovery.EndpointSlice{})
+	p.OnEndpointSliceUpdate(&discovery.EndpointSlice{}, &discovery.EndpointSlice{})
+	p.OnEndpointSliceDelete(&discovery.EndpointSlice{})
+	p.OnEndpointSlicesSynced()
+}
+
 func makeNSN(namespace, name string) types.NamespacedName {
 	return types.NamespacedName{Namespace: namespace, Name: name}
 }