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Changes to WinKernel to support EndpointSlices

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This commit is contained in:
Vinod K L Swamy 2020-06-29 14:31:15 -07:00
parent 4505d5b182
commit bbd4a07dec
No known key found for this signature in database
GPG Key ID: 9F321C2977A31082
4 changed files with 445 additions and 519 deletions
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2
cmd/kube-proxy/app/server_windows.go
View File

@ -174,7 +174,7 @@ func newProxyServer(config *proxyconfigapi.KubeProxyConfiguration, cleanupAndExi
OOMScoreAdj: config.OOMScoreAdj,
ConfigSyncPeriod: config.ConfigSyncPeriod.Duration,
HealthzServer: healthzServer,
UseEndpointSlices: false,
UseEndpointSlices: utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceProxying),
}, nil
}

8
pkg/proxy/winkernel/BUILD
View File

@ -15,19 +15,20 @@ go_library(
"//staging/src/k8s.io/component-base/metrics/legacyregistry:go_default_library",
] + select({
"@io_bazel_rules_go//go/platform:windows": [
"//pkg/api/v1/service:go_default_library",
"//pkg/apis/core/v1/helper:go_default_library",
"//pkg/features: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/proxy/metaproxier:go_default_library",
"//pkg/proxy/metrics:go_default_library",
"//pkg/proxy/util:go_default_library",
"//pkg/util/async:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/discovery/v1beta1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/features:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
@ -67,11 +68,14 @@ go_test(
"@io_bazel_rules_go//go/platform:windows": [
"//pkg/proxy:go_default_library",
"//pkg/proxy/healthcheck:go_default_library",
"//pkg/proxy/util:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/discovery/v1beta1: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",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//vendor/github.com/Microsoft/hcsshim/hcn:go_default_library",
"//vendor/k8s.io/utils/pointer:go_default_library",
],
"//conditions:default": [],
}),

764
pkg/proxy/winkernel/proxier.go
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File diff suppressed because it is too large Load Diff

190
pkg/proxy/winkernel/proxier_test.go
View File

@ -19,18 +19,20 @@ limitations under the License.
package winkernel
import (
"fmt"
"k8s.io/api/core/v1"
discovery "k8s.io/api/discovery/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/kubernetes/pkg/proxy"
"k8s.io/kubernetes/pkg/proxy/healthcheck"
utilproxy "k8s.io/kubernetes/pkg/proxy/util"
utilpointer "k8s.io/utils/pointer"
"net"
"strings"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const testHostName = "test-hostname"
@ -99,7 +101,7 @@ func (hns fakeHNS) getLoadBalancer(endpoints []endpointsInfo, flags loadBalancer
func (hns fakeHNS) deleteLoadBalancer(hnsID string) error {
return nil
}
func NewFakeProxier(syncPeriod time.Duration, minSyncPeriod time.Duration, clusterCIDR string, hostname string, nodeIP net.IP, networkType string) *Proxier {
func NewFakeProxier(syncPeriod time.Duration, minSyncPeriod time.Duration, clusterCIDR string, hostname string, nodeIP net.IP, networkType string, endpointSliceEnabled bool) *Proxier {
sourceVip := "192.168.1.2"
hnsNetworkInfo := &hnsNetworkInfo{
id: strings.ToUpper(guid),
@ -107,11 +109,9 @@ func NewFakeProxier(syncPeriod time.Duration, minSyncPeriod time.Duration, clust
networkType: networkType,
}
proxier := &Proxier{
portsMap: make(map[localPort]closeable),
serviceMap: make(proxyServiceMap),
serviceChanges: newServiceChangeMap(),
endpointsMap: make(proxyEndpointsMap),
endpointsChanges: newEndpointsChangeMap(hostname),
portsMap: make(map[utilproxy.LocalPort]utilproxy.Closeable),
serviceMap: make(proxy.ServiceMap),
endpointsMap: make(proxy.EndpointsMap),
clusterCIDR: clusterCIDR,
hostname: testHostName,
nodeIP: nodeIP,
@ -123,12 +123,19 @@ func NewFakeProxier(syncPeriod time.Duration, minSyncPeriod time.Duration, clust
hns: newFakeHNS(),
endPointsRefCount: make(endPointsReferenceCountMap),
}
isIPv6 := false
serviceChanges := proxy.NewServiceChangeTracker(proxier.newServiceInfo, &isIPv6, nil, proxier.serviceMapChange)
endpointChangeTracker := proxy.NewEndpointChangeTracker(hostname, proxier.newEndpointInfo, &isIPv6, nil, endpointSliceEnabled, proxier.endpointsMapChange)
proxier.endpointsChanges = endpointChangeTracker
proxier.serviceChanges = serviceChanges
return proxier
}
func TestCreateServiceVip(t *testing.T) {
syncPeriod := 30 * time.Second
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay")
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay", false)
if proxier == nil {
t.Error()
}
@ -140,6 +147,7 @@ func TestCreateServiceVip(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
timeoutSeconds := v1.DefaultClientIPServiceAffinitySeconds
@ -163,19 +171,26 @@ func TestCreateServiceVip(t *testing.T) {
}),
)
makeEndpointsMap(proxier)
proxier.setInitialized(true)
proxier.syncProxyRules()
if proxier.serviceMap[svcPortName].remoteEndpoint == nil {
t.Error()
}
if proxier.serviceMap[svcPortName].remoteEndpoint.ip != svcIP {
t.Error()
svc := proxier.serviceMap[svcPortName]
svcInfo, ok := svc.(*serviceInfo)
if !ok {
t.Errorf("Failed to cast serviceInfo %q", svcPortName.String())
} else {
if svcInfo.remoteEndpoint == nil {
t.Error()
}
if svcInfo.remoteEndpoint.ip != svcIP {
t.Error()
}
}
}
func TestCreateRemoteEndpointOverlay(t *testing.T) {
syncPeriod := 30 * time.Second
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay")
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay", false)
if proxier == nil {
t.Error()
}
@ -186,6 +201,7 @@ func TestCreateRemoteEndpointOverlay(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(proxier,
@ -207,30 +223,38 @@ func TestCreateRemoteEndpointOverlay(t *testing.T) {
IP: epIpAddressRemote,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
)
proxier.setInitialized(true)
proxier.syncProxyRules()
if proxier.endpointsMap[svcPortName][0].hnsID != guid {
t.Errorf("%v does not match %v", proxier.endpointsMap[svcPortName][0].hnsID, guid)
ep := proxier.endpointsMap[svcPortName][0]
epInfo, ok := ep.(*endpointsInfo)
if !ok {
t.Errorf("Failed to cast endpointsInfo %q", svcPortName.String())
} else {
if epInfo.hnsID != guid {
t.Errorf("%v does not match %v", epInfo.hnsID, guid)
}
}
if *proxier.endPointsRefCount[guid] <= 0 {
t.Errorf("RefCount not incremented. Current value: %v", *proxier.endPointsRefCount[guid])
}
if *proxier.endPointsRefCount[guid] != *proxier.endpointsMap[svcPortName][0].refCount {
t.Errorf("Global refCount: %v does not match endpoint refCount: %v", *proxier.endPointsRefCount[guid], *proxier.endpointsMap[svcPortName][0].refCount)
if *proxier.endPointsRefCount[guid] != *epInfo.refCount {
t.Errorf("Global refCount: %v does not match endpoint refCount: %v", *proxier.endPointsRefCount[guid], *epInfo.refCount)
}
}
func TestCreateRemoteEndpointL2Bridge(t *testing.T) {
syncPeriod := 30 * time.Second
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "L2Bridge")
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "L2Bridge", false)
if proxier == nil {
t.Error()
}
@ -241,6 +265,7 @@ func TestCreateRemoteEndpointL2Bridge(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(proxier,
@ -262,31 +287,38 @@ func TestCreateRemoteEndpointL2Bridge(t *testing.T) {
IP: epIpAddressRemote,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
)
proxier.setInitialized(true)
proxier.syncProxyRules()
ep := proxier.endpointsMap[svcPortName][0]
epInfo, ok := ep.(*endpointsInfo)
if !ok {
t.Errorf("Failed to cast endpointsInfo %q", svcPortName.String())
if proxier.endpointsMap[svcPortName][0].hnsID != guid {
t.Errorf("%v does not match %v", proxier.endpointsMap[svcPortName][0].hnsID, guid)
} else {
if epInfo.hnsID != guid {
t.Errorf("%v does not match %v", epInfo.hnsID, guid)
}
}
if *proxier.endPointsRefCount[guid] <= 0 {
t.Errorf("RefCount not incremented. Current value: %v", *proxier.endPointsRefCount[guid])
}
if *proxier.endPointsRefCount[guid] != *proxier.endpointsMap[svcPortName][0].refCount {
t.Errorf("Global refCount: %v does not match endpoint refCount: %v", *proxier.endPointsRefCount[guid], *proxier.endpointsMap[svcPortName][0].refCount)
if *proxier.endPointsRefCount[guid] != *epInfo.refCount {
t.Errorf("Global refCount: %v does not match endpoint refCount: %v", *proxier.endPointsRefCount[guid], *epInfo.refCount)
}
}
func TestCreateLoadBalancer(t *testing.T) {
syncPeriod := 30 * time.Second
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay")
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay", false)
if proxier == nil {
t.Error()
}
@ -297,6 +329,7 @@ func TestCreateLoadBalancer(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(proxier,
@ -318,20 +351,101 @@ func TestCreateLoadBalancer(t *testing.T) {
IP: epIpAddressRemote,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
)
proxier.setInitialized(true)
proxier.syncProxyRules()
if proxier.serviceMap[svcPortName].hnsID != guid {
t.Errorf("%v does not match %v", proxier.serviceMap[svcPortName].hnsID, guid)
svc := proxier.serviceMap[svcPortName]
svcInfo, ok := svc.(*serviceInfo)
if !ok {
t.Errorf("Failed to cast serviceInfo %q", svcPortName.String())
} else {
if svcInfo.hnsID != guid {
t.Errorf("%v does not match %v", svcInfo.hnsID, guid)
}
}
}
func TestEndpointSlice(t *testing.T) {
syncPeriod := 30 * time.Second
proxier := NewFakeProxier(syncPeriod, syncPeriod, clusterCIDR, "testhost", net.ParseIP("10.0.0.1"), "Overlay", true)
if proxier == nil {
t.Error()
}
proxier.servicesSynced = true
proxier.endpointSlicesSynced = true
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
proxier.OnServiceAdd(&v1.Service{
ObjectMeta: metav1.ObjectMeta{Name: svcPortName.Name, Namespace: svcPortName.Namespace},
Spec: v1.ServiceSpec{
ClusterIP: "172.20.1.1",
Selector: map[string]string{"foo": "bar"},
Ports: []v1.ServicePort{{Name: svcPortName.Port, TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
},
})
// Add initial endpoint slice
tcpProtocol := v1.ProtocolTCP
endpointSlice := &discovery.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-1", svcPortName.Name),
Namespace: svcPortName.Namespace,
Labels: map[string]string{discovery.LabelServiceName: svcPortName.Name},
},
Ports: []discovery.EndpointPort{{
Name: &svcPortName.Port,
Port: utilpointer.Int32Ptr(80),
Protocol: &tcpProtocol,
}},
AddressType: discovery.AddressTypeIPv4,
Endpoints: []discovery.Endpoint{{
Addresses: []string{"192.168.2.3"},
Conditions: discovery.EndpointConditions{Ready: utilpointer.BoolPtr(true)},
Topology: map[string]string{"kubernetes.io/hostname": "testhost2"},
}},
}
proxier.OnEndpointSliceAdd(endpointSlice)
proxier.setInitialized(true)
proxier.syncProxyRules()
svc := proxier.serviceMap[svcPortName]
svcInfo, ok := svc.(*serviceInfo)
if !ok {
t.Errorf("Failed to cast serviceInfo %q", svcPortName.String())
} else {
if svcInfo.hnsID != guid {
t.Errorf("The Hns Loadbalancer Id %v does not match %v. ServicePortName %q", svcInfo.hnsID, guid, svcPortName.String())
}
}
ep := proxier.endpointsMap[svcPortName][0]
epInfo, ok := ep.(*endpointsInfo)
if !ok {
t.Errorf("Failed to cast endpointsInfo %q", svcPortName.String())
} else {
if epInfo.hnsID != guid {
t.Errorf("Hns EndpointId %v does not match %v. ServicePortName %q", epInfo.hnsID, guid, svcPortName.String())
}
}
}
func TestNoopEndpointSlice(t *testing.T) {
p := Proxier{}
p.OnEndpointSliceAdd(&discovery.EndpointSlice{})