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Remove EndpointSliceNodeName feature gate logic

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- feature gate has graduated to GA and will always be enabled, so no
 longer need to check if enabled
This commit is contained in:
Swetha Repakula 2021-03-04 09:57:15 -08:00
parent 60a714058b
commit 6f5329d4c0
5 changed files with 11 additions and 41 deletions
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10
pkg/controller/endpointslice/utils.go
View File

@ -45,10 +45,6 @@ func podToEndpoint(pod *corev1.Pod, node *corev1.Node, service *corev1.Service,
// zone, and region, but this will be expanded in the future.
topology := map[string]string{}
if pod.Spec.NodeName != "" {
topology["kubernetes.io/hostname"] = pod.Spec.NodeName
}
if node != nil {
topologyLabels := []string{
"topology.kubernetes.io/zone",
@ -72,7 +68,6 @@ func podToEndpoint(pod *corev1.Pod, node *corev1.Node, service *corev1.Service,
Conditions: discovery.EndpointConditions{
Ready: &ready,
},
Topology: topology,
TargetRef: &corev1.ObjectReference{
Kind: "Pod",
Namespace: pod.ObjectMeta.Namespace,
@ -87,7 +82,10 @@ func podToEndpoint(pod *corev1.Pod, node *corev1.Node, service *corev1.Service,
ep.Conditions.Terminating = &terminating
}
if pod.Spec.NodeName != "" && utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName) {
if pod.Spec.NodeName != "" {
topology["kubernetes.io/hostname"] = pod.Spec.NodeName
ep.Topology = topology
ep.NodeName = &pod.Spec.NodeName
}

4
pkg/controller/endpointslicemirroring/utils.go
View File

@ -27,12 +27,10 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/leaderelection/resourcelock"
"k8s.io/kubernetes/pkg/apis/discovery/validation"
endpointutil "k8s.io/kubernetes/pkg/controller/util/endpoint"
"k8s.io/kubernetes/pkg/features"
)
// addrTypePortMapKey is used to uniquely identify groups of endpoint ports and
@ -140,10 +138,8 @@ func addressToEndpoint(address corev1.EndpointAddress, ready bool) *discovery.En
endpoint.Topology = map[string]string{
"kubernetes.io/hostname": *address.NodeName,
}
if utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName) {
endpoint.NodeName = address.NodeName
}
}
if address.Hostname != "" {
endpoint.Hostname = &address.Hostname
}

5
pkg/controlplane/reconcilers/endpointsadapter.go
View File

@ -18,15 +18,14 @@ package reconcilers
import (
"context"
corev1 "k8s.io/api/core/v1"
discovery "k8s.io/api/discovery/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
discoveryclient "k8s.io/client-go/kubernetes/typed/discovery/v1beta1"
"k8s.io/kubernetes/pkg/features"
utilnet "k8s.io/utils/net"
)
@ -178,10 +177,8 @@ func endpointFromAddress(address corev1.EndpointAddress, ready bool) discovery.E
ep.Topology = map[string]string{
"kubernetes.io/hostname": *address.NodeName,
}
if utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName) {
ep.NodeName = address.NodeName
}
}
return ep
}

6
pkg/proxy/endpointslicecache.go
View File

@ -23,13 +23,11 @@ import (
"strings"
"sync"
"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
discovery "k8s.io/api/discovery/v1beta1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/record"
"k8s.io/klog/v2"
"k8s.io/kubernetes/pkg/features"
utilproxy "k8s.io/kubernetes/pkg/proxy/util"
utilnet "k8s.io/utils/net"
)
@ -136,9 +134,7 @@ func newEndpointSliceInfo(endpointSlice *discovery.EndpointSlice, remove bool) *
Terminating: endpoint.Conditions.Terminating != nil && *endpoint.Conditions.Terminating,
}
if utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName) {
epInfo.NodeName = endpoint.NodeName
}
esInfo.Endpoints = append(esInfo.Endpoints, epInfo)
}

21
pkg/registry/discovery/endpointslice/strategy.go
View File

@ -105,14 +105,10 @@ func (endpointSliceStrategy) AllowUnconditionalUpdate() bool {
// dropDisabledConditionsOnCreate will drop any fields that are disabled.
func dropDisabledFieldsOnCreate(endpointSlice *discovery.EndpointSlice) {
dropNodeName := !utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName)
dropTerminating := !utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceTerminatingCondition)
if dropNodeName || dropTerminating {
if dropTerminating {
for i := range endpointSlice.Endpoints {
if dropNodeName {
endpointSlice.Endpoints[i].NodeName = nil
}
if dropTerminating {
endpointSlice.Endpoints[i].Conditions.Serving = nil
endpointSlice.Endpoints[i].Conditions.Terminating = nil
@ -124,16 +120,6 @@ func dropDisabledFieldsOnCreate(endpointSlice *discovery.EndpointSlice) {
// dropDisabledFieldsOnUpdate will drop any disable fields that have not already
// been set on the EndpointSlice.
func dropDisabledFieldsOnUpdate(oldEPS, newEPS *discovery.EndpointSlice) {
dropNodeName := !utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceNodeName)
if dropNodeName {
for _, ep := range oldEPS.Endpoints {
if ep.NodeName != nil {
dropNodeName = false
break
}
}
}
dropTerminating := !utilfeature.DefaultFeatureGate.Enabled(features.EndpointSliceTerminatingCondition)
if dropTerminating {
for _, ep := range oldEPS.Endpoints {
@ -144,11 +130,8 @@ func dropDisabledFieldsOnUpdate(oldEPS, newEPS *discovery.EndpointSlice) {
}
}
if dropNodeName || dropTerminating {
if dropTerminating {
for i := range newEPS.Endpoints {
if dropNodeName {
newEPS.Endpoints[i].NodeName = nil
}
if dropTerminating {
newEPS.Endpoints[i].Conditions.Serving = nil
newEPS.Endpoints[i].Conditions.Terminating = nil