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Kubernetes SD: Support discovery.k8s.io/v1 EndpointSlice

Browse source 
Fixes #9498

Signed-off-by: Furkan <furkan.turkal@trendyol.com>
Signed-off-by: Erkan Zileli <erkan.zileli@trendyol.com>
Co-authored-by: Batuhan Apaydin <batuhan.apaydin@trendyol.com>
This commit is contained in:
Furkan 2021-10-22 22:26:31 +03:00
parent 9ed56c6065
commit 2939966634
No known key found for this signature in database
GPG key ID: C26B5EA6BB8709D8
5 changed files with 775 additions and 174 deletions
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109
discovery/kubernetes/endpointslice.go
View file

@ -23,7 +23,8 @@ import (
"github.com/pkg/errors"
"github.com/prometheus/common/model"
apiv1 "k8s.io/api/core/v1"
disv1beta1 "k8s.io/api/discovery/v1beta1"
v1 "k8s.io/api/discovery/v1"
"k8s.io/api/discovery/v1beta1"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
@ -94,9 +95,13 @@ func NewEndpointSlice(l log.Logger, svc, eps, pod cache.SharedInformer) *Endpoin
// disv1beta1.LabelServiceName so this operation doesn't have to
// iterate over all endpoint objects.
for _, obj := range e.endpointSliceStore.List() {
ep := obj.(*disv1beta1.EndpointSlice)
if lv, exists := ep.Labels[disv1beta1.LabelServiceName]; exists && lv == svc.Name {
e.enqueue(ep)
esa, err := e.getEndpointSliceAdaptor(obj)
if err != nil {
level.Error(e.logger).Log("msg", "converting to EndpointSlice object failed", "err", err)
continue
}
if lv, exists := esa.labels()[esa.labelServiceName()]; exists && lv == svc.Name {
e.enqueue(esa.get())
}
}
}
@ -170,26 +175,30 @@ func (e *EndpointSlice) process(ctx context.Context, ch chan<- []*targetgroup.Gr
send(ctx, ch, &targetgroup.Group{Source: endpointSliceSourceFromNamespaceAndName(namespace, name)})
return true
}
eps, err := convertToEndpointSlice(o)
esa, err := e.getEndpointSliceAdaptor(o)
if err != nil {
level.Error(e.logger).Log("msg", "converting to EndpointSlice object failed", "err", err)
return true
}
send(ctx, ch, e.buildEndpointSlice(eps))
send(ctx, ch, e.buildEndpointSlice(esa))
return true
}
func convertToEndpointSlice(o interface{}) (*disv1beta1.EndpointSlice, error) {
endpoints, ok := o.(*disv1beta1.EndpointSlice)
if ok {
return endpoints, nil
}
func (e *EndpointSlice) getEndpointSliceAdaptor(o interface{}) (endpointSliceAdaptor, error) {
switch endpointSlice := o.(type) {
case *v1.EndpointSlice:
return newEndpointSliceAdaptorFromV1(endpointSlice), nil
case *v1beta1.EndpointSlice:
return newEndpointSliceAdaptorFromV1beta1(endpointSlice), nil
default:
return nil, errors.Errorf("received unexpected object: %v", o)
}
}
func endpointSliceSource(ep *disv1beta1.EndpointSlice) string {
return endpointSliceSourceFromNamespaceAndName(ep.Namespace, ep.Name)
func endpointSliceSource(ep endpointSliceAdaptor) string {
return endpointSliceSourceFromNamespaceAndName(ep.namespace(), ep.name())
}
func endpointSliceSourceFromNamespaceAndName(namespace, name string) string {
@ -211,69 +220,69 @@ const (
endpointSliceEndpointTopologyLabelPresentPrefix = metaLabelPrefix + "endpointslice_endpoint_topology_present_"
)
func (e *EndpointSlice) buildEndpointSlice(eps *disv1beta1.EndpointSlice) *targetgroup.Group {
func (e *EndpointSlice) buildEndpointSlice(eps endpointSliceAdaptor) *targetgroup.Group {
tg := &targetgroup.Group{
Source: endpointSliceSource(eps),
}
tg.Labels = model.LabelSet{
namespaceLabel: lv(eps.Namespace),
endpointSliceNameLabel: lv(eps.Name),
endpointSliceAddressTypeLabel: lv(string(eps.AddressType)),
namespaceLabel: lv(eps.namespace()),
endpointSliceNameLabel: lv(eps.name()),
endpointSliceAddressTypeLabel: lv(eps.addressType()),
}
e.addServiceLabels(eps, tg)
type podEntry struct {
pod *apiv1.Pod
servicePorts []disv1beta1.EndpointPort
servicePorts []endpointSlicePortAdaptor
}
seenPods := map[string]*podEntry{}
add := func(addr string, ep disv1beta1.Endpoint, port disv1beta1.EndpointPort) {
add := func(addr string, ep endpointSliceEndpointAdaptor, port endpointSlicePortAdaptor) {
a := addr
if port.Port != nil {
a = net.JoinHostPort(addr, strconv.FormatUint(uint64(*port.Port), 10))
if port.port() != nil {
a = net.JoinHostPort(addr, strconv.FormatUint(uint64(*port.port()), 10))
}
target := model.LabelSet{
model.AddressLabel: lv(a),
}
if port.Name != nil {
target[endpointSlicePortNameLabel] = lv(*port.Name)
if port.name() != nil {
target[endpointSlicePortNameLabel] = lv(*port.name())
}
if port.Protocol != nil {
target[endpointSlicePortProtocolLabel] = lv(string(*port.Protocol))
if port.protocol() != nil {
target[endpointSlicePortProtocolLabel] = lv(string(*port.protocol()))
}
if port.Port != nil {
target[endpointSlicePortLabel] = lv(strconv.FormatUint(uint64(*port.Port), 10))
if port.port() != nil {
target[endpointSlicePortLabel] = lv(strconv.FormatUint(uint64(*port.port()), 10))
}
if port.AppProtocol != nil {
target[endpointSlicePortAppProtocol] = lv(*port.AppProtocol)
if port.appProtocol() != nil {
target[endpointSlicePortAppProtocol] = lv(*port.appProtocol())
}
if ep.Conditions.Ready != nil {
target[endpointSliceEndpointConditionsReadyLabel] = lv(strconv.FormatBool(*ep.Conditions.Ready))
if ep.conditions().ready() != nil {
target[endpointSliceEndpointConditionsReadyLabel] = lv(strconv.FormatBool(*ep.conditions().ready()))
}
if ep.Hostname != nil {
target[endpointSliceEndpointHostnameLabel] = lv(*ep.Hostname)
if ep.hostname() != nil {
target[endpointSliceEndpointHostnameLabel] = lv(*ep.hostname())
}
if ep.TargetRef != nil {
target[model.LabelName(endpointSliceAddressTargetKindLabel)] = lv(ep.TargetRef.Kind)
target[model.LabelName(endpointSliceAddressTargetNameLabel)] = lv(ep.TargetRef.Name)
if ep.targetRef() != nil {
target[model.LabelName(endpointSliceAddressTargetKindLabel)] = lv(ep.targetRef().Kind)
target[model.LabelName(endpointSliceAddressTargetNameLabel)] = lv(ep.targetRef().Name)
}
for k, v := range ep.Topology {
for k, v := range ep.topology() {
ln := strutil.SanitizeLabelName(k)
target[model.LabelName(endpointSliceEndpointTopologyLabelPrefix+ln)] = lv(v)
target[model.LabelName(endpointSliceEndpointTopologyLabelPresentPrefix+ln)] = presentValue
}
pod := e.resolvePodRef(ep.TargetRef)
pod := e.resolvePodRef(ep.targetRef())
if pod == nil {
// This target is not a Pod, so don't continue with Pod specific logic.
tg.Targets = append(tg.Targets, target)
@ -293,11 +302,11 @@ func (e *EndpointSlice) buildEndpointSlice(eps *disv1beta1.EndpointSlice) *targe
// Attach potential container port labels matching the endpoint port.
for _, c := range pod.Spec.Containers {
for _, cport := range c.Ports {
if port.Port == nil {
if port.port() == nil {
continue
}
if *port.Port == cport.ContainerPort {
ports := strconv.FormatUint(uint64(*port.Port), 10)
if *port.port() == cport.ContainerPort {
ports := strconv.FormatUint(uint64(*port.port()), 10)
target[podContainerNameLabel] = lv(c.Name)
target[podContainerPortNameLabel] = lv(cport.Name)
@ -314,9 +323,9 @@ func (e *EndpointSlice) buildEndpointSlice(eps *disv1beta1.EndpointSlice) *targe
tg.Targets = append(tg.Targets, target)
}
for _, ep := range eps.Endpoints {
for _, port := range eps.Ports {
for _, addr := range ep.Addresses {
for _, ep := range eps.endpoints() {
for _, port := range eps.ports() {
for _, addr := range ep.addresses() {
add(addr, ep, port)
}
}
@ -329,10 +338,10 @@ func (e *EndpointSlice) buildEndpointSlice(eps *disv1beta1.EndpointSlice) *targe
for _, cport := range c.Ports {
hasSeenPort := func() bool {
for _, eport := range pe.servicePorts {
if eport.Port == nil {
if eport.port() == nil {
continue
}
if cport.ContainerPort == *eport.Port {
if cport.ContainerPort == *eport.port() {
return true
}
}
@ -379,16 +388,16 @@ func (e *EndpointSlice) resolvePodRef(ref *apiv1.ObjectReference) *apiv1.Pod {
return obj.(*apiv1.Pod)
}
func (e *EndpointSlice) addServiceLabels(eps *disv1beta1.EndpointSlice, tg *targetgroup.Group) {
func (e *EndpointSlice) addServiceLabels(esa endpointSliceAdaptor, tg *targetgroup.Group) {
var (
svc = &apiv1.Service{}
found bool
)
svc.Namespace = eps.Namespace
svc.Namespace = esa.namespace()
// Every EndpointSlice object has the Service they belong to in the
// kubernetes.io/service-name label.
svc.Name, found = eps.Labels[disv1beta1.LabelServiceName]
svc.Name, found = esa.labels()[esa.labelServiceName()]
if !found {
return
}

279
discovery/kubernetes/endpointslice_adaptor.go Normal file
View file

@ -0,0 +1,279 @@
// Copyright 2020 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kubernetes
import (
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/discovery/v1"
"k8s.io/api/discovery/v1beta1"
)
// endpointSliceAdaptor is an adaptor for the different EndpointSlice versions
type endpointSliceAdaptor interface {
get() interface{}
name() string
namespace() string
addressType() string
endpoints() []endpointSliceEndpointAdaptor
ports() []endpointSlicePortAdaptor
labels() map[string]string
labelServiceName() string
}
type endpointSlicePortAdaptor interface {
name() *string
port() *int32
protocol() *string
appProtocol() *string
}
type endpointSliceEndpointAdaptor interface {
addresses() []string
hostname() *string
conditions() endpointSliceEndpointConditionsAdaptor
targetRef() *corev1.ObjectReference
topology() map[string]string
}
type endpointSliceEndpointConditionsAdaptor interface {
ready() *bool
}
// Adaptor for k8s.io/api/discovery/v1
type endpointSliceAdaptorV1 struct {
endpointSlice *v1.EndpointSlice
}
func newEndpointSliceAdaptorFromV1(endpointSlice *v1.EndpointSlice) endpointSliceAdaptor {
return &endpointSliceAdaptorV1{endpointSlice: endpointSlice}
}
func (e *endpointSliceAdaptorV1) get() interface{} {
return e.endpointSlice
}
func (e *endpointSliceAdaptorV1) name() string {
return e.endpointSlice.ObjectMeta.Name
}
func (e *endpointSliceAdaptorV1) namespace() string {
return e.endpointSlice.ObjectMeta.Namespace
}
func (e *endpointSliceAdaptorV1) addressType() string {
return string(e.endpointSlice.AddressType)
}
func (e *endpointSliceAdaptorV1) endpoints() []endpointSliceEndpointAdaptor {
eps := make([]endpointSliceEndpointAdaptor, 0, len(e.endpointSlice.Endpoints))
for i := 0; i < len(e.endpointSlice.Endpoints); i++ {
eps = append(eps, newEndpointSliceEndpointAdaptorFromV1(e.endpointSlice.Endpoints[i]))
}
return eps
}
func (e *endpointSliceAdaptorV1) ports() []endpointSlicePortAdaptor {
ports := make([]endpointSlicePortAdaptor, 0, len(e.endpointSlice.Ports))
for i := 0; i < len(e.endpointSlice.Ports); i++ {
ports = append(ports, newEndpointSlicePortAdaptorFromV1(e.endpointSlice.Ports[i]))
}
return ports
}
func (e *endpointSliceAdaptorV1) labels() map[string]string {
return e.endpointSlice.Labels
}
func (e *endpointSliceAdaptorV1) labelServiceName() string {
return v1.LabelServiceName
}
// Adaptor for k8s.io/api/discovery/v1beta1
type endpointSliceAdaptorV1Beta1 struct {
endpointSlice *v1beta1.EndpointSlice
}
func newEndpointSliceAdaptorFromV1beta1(endpointSlice *v1beta1.EndpointSlice) endpointSliceAdaptor {
return &endpointSliceAdaptorV1Beta1{endpointSlice: endpointSlice}
}
func (e *endpointSliceAdaptorV1Beta1) get() interface{} {
return e.endpointSlice
}
func (e *endpointSliceAdaptorV1Beta1) name() string {
return e.endpointSlice.Name
}
func (e *endpointSliceAdaptorV1Beta1) namespace() string {
return e.endpointSlice.Namespace
}
func (e *endpointSliceAdaptorV1Beta1) addressType() string {
return string(e.endpointSlice.AddressType)
}
func (e *endpointSliceAdaptorV1Beta1) endpoints() []endpointSliceEndpointAdaptor {
eps := make([]endpointSliceEndpointAdaptor, 0, len(e.endpointSlice.Endpoints))
for i := 0; i < len(e.endpointSlice.Endpoints); i++ {
eps = append(eps, newEndpointSliceEndpointAdaptorFromV1beta1(e.endpointSlice.Endpoints[i]))
}
return eps
}
func (e *endpointSliceAdaptorV1Beta1) ports() []endpointSlicePortAdaptor {
ports := make([]endpointSlicePortAdaptor, 0, len(e.endpointSlice.Ports))
for i := 0; i < len(e.endpointSlice.Ports); i++ {
ports = append(ports, newEndpointSlicePortAdaptorFromV1beta1(e.endpointSlice.Ports[i]))
}
return ports
}
func (e *endpointSliceAdaptorV1Beta1) labels() map[string]string {
return e.endpointSlice.Labels
}
func (e *endpointSliceAdaptorV1Beta1) labelServiceName() string {
return v1beta1.LabelServiceName
}
type endpointSliceEndpointAdaptorV1 struct {
endpoint v1.Endpoint
}
func newEndpointSliceEndpointAdaptorFromV1(endpoint v1.Endpoint) endpointSliceEndpointAdaptor {
return &endpointSliceEndpointAdaptorV1{endpoint: endpoint}
}
func (e *endpointSliceEndpointAdaptorV1) addresses() []string {
return e.endpoint.Addresses
}
func (e *endpointSliceEndpointAdaptorV1) hostname() *string {
return e.endpoint.Hostname
}
func (e *endpointSliceEndpointAdaptorV1) conditions() endpointSliceEndpointConditionsAdaptor {
return newEndpointSliceEndpointConditionsAdaptorFromV1(e.endpoint.Conditions)
}
func (e *endpointSliceEndpointAdaptorV1) targetRef() *corev1.ObjectReference {
return e.endpoint.TargetRef
}
func (e *endpointSliceEndpointAdaptorV1) topology() map[string]string {
return e.endpoint.DeprecatedTopology
}
type endpointSliceEndpointConditionsAdaptorV1 struct {
endpointConditions v1.EndpointConditions
}
func newEndpointSliceEndpointConditionsAdaptorFromV1(endpointConditions v1.EndpointConditions) endpointSliceEndpointConditionsAdaptor {
return &endpointSliceEndpointConditionsAdaptorV1{endpointConditions: endpointConditions}
}
func (e *endpointSliceEndpointConditionsAdaptorV1) ready() *bool {
return e.endpointConditions.Ready
}
type endpointSliceEndpointAdaptorV1beta1 struct {
endpoint v1beta1.Endpoint
}
func newEndpointSliceEndpointAdaptorFromV1beta1(endpoint v1beta1.Endpoint) endpointSliceEndpointAdaptor {
return &endpointSliceEndpointAdaptorV1beta1{endpoint: endpoint}
}
func (e *endpointSliceEndpointAdaptorV1beta1) addresses() []string {
return e.endpoint.Addresses
}
func (e *endpointSliceEndpointAdaptorV1beta1) hostname() *string {
return e.endpoint.Hostname
}
func (e *endpointSliceEndpointAdaptorV1beta1) conditions() endpointSliceEndpointConditionsAdaptor {
return newEndpointSliceEndpointConditionsAdaptorFromV1beta1(e.endpoint.Conditions)
}
func (e *endpointSliceEndpointAdaptorV1beta1) targetRef() *corev1.ObjectReference {
return e.endpoint.TargetRef
}
func (e *endpointSliceEndpointAdaptorV1beta1) topology() map[string]string {
return e.endpoint.Topology
}
type endpointSliceEndpointConditionsAdaptorV1beta1 struct {
endpointConditions v1beta1.EndpointConditions
}
func newEndpointSliceEndpointConditionsAdaptorFromV1beta1(endpointConditions v1beta1.EndpointConditions) endpointSliceEndpointConditionsAdaptor {
return &endpointSliceEndpointConditionsAdaptorV1beta1{endpointConditions: endpointConditions}
}
func (e *endpointSliceEndpointConditionsAdaptorV1beta1) ready() *bool {
return e.endpointConditions.Ready
}
type endpointSlicePortAdaptorV1 struct {
endpointPort v1.EndpointPort
}
func newEndpointSlicePortAdaptorFromV1(port v1.EndpointPort) endpointSlicePortAdaptor {
return &endpointSlicePortAdaptorV1{endpointPort: port}
}
func (e *endpointSlicePortAdaptorV1) name() *string {
return e.endpointPort.Name
}
func (e *endpointSlicePortAdaptorV1) port() *int32 {
return e.endpointPort.Port
}
func (e *endpointSlicePortAdaptorV1) protocol() *string {
val := string(*e.endpointPort.Protocol)
return &val
}
func (e *endpointSlicePortAdaptorV1) appProtocol() *string {
return e.endpointPort.AppProtocol
}
type endpointSlicePortAdaptorV1beta1 struct {
endpointPort v1beta1.EndpointPort
}
func newEndpointSlicePortAdaptorFromV1beta1(port v1beta1.EndpointPort) endpointSlicePortAdaptor {
return &endpointSlicePortAdaptorV1beta1{endpointPort: port}
}
func (e *endpointSlicePortAdaptorV1beta1) name() *string {
return e.endpointPort.Name
}
func (e *endpointSlicePortAdaptorV1beta1) port() *int32 {
return e.endpointPort.Port
}
func (e *endpointSlicePortAdaptorV1beta1) protocol() *string {
val := string(*e.endpointPort.Protocol)
return &val
}
func (e *endpointSlicePortAdaptorV1beta1) appProtocol() *string {
return e.endpointPort.AppProtocol
}

74
discovery/kubernetes/endpointslice_adaptor_test.go Normal file
View file

@ -0,0 +1,74 @@
// Copyright 2020 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kubernetes
import (
"testing"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/discovery/v1"
"k8s.io/api/discovery/v1beta1"
)
func Test_EndpointSliceAdaptor_v1(t *testing.T) {
endpointSlice := makeEndpointSliceV1()
adaptor := newEndpointSliceAdaptorFromV1(endpointSlice)
require.Equal(t, endpointSlice.ObjectMeta.Name, adaptor.name())
require.Equal(t, endpointSlice.ObjectMeta.Namespace, adaptor.namespace())
require.Equal(t, endpointSlice.AddressType, v1.AddressType(adaptor.addressType()))
require.Equal(t, endpointSlice.Labels, adaptor.labels())
require.Equal(t, endpointSlice.Labels[v1.LabelServiceName], "testendpoints")
for i, endpointAdaptor := range adaptor.endpoints() {
require.Equal(t, endpointSlice.Endpoints[i].Addresses, endpointAdaptor.addresses())
require.Equal(t, endpointSlice.Endpoints[i].Hostname, endpointAdaptor.hostname())
require.Equal(t, endpointSlice.Endpoints[i].Conditions.Ready, endpointAdaptor.conditions().ready())
require.Equal(t, endpointSlice.Endpoints[i].TargetRef, endpointAdaptor.targetRef())
require.Equal(t, endpointSlice.Endpoints[i].DeprecatedTopology, endpointAdaptor.topology())
}
for i, portAdaptor := range adaptor.ports() {
require.Equal(t, endpointSlice.Ports[i].Name, portAdaptor.name())
require.Equal(t, endpointSlice.Ports[i].Port, portAdaptor.port())
require.EqualValues(t, endpointSlice.Ports[i].Protocol, portAdaptor.protocol())
require.Equal(t, endpointSlice.Ports[i].AppProtocol, portAdaptor.appProtocol())
}
}
func Test_EndpointSliceAdaptor_v1beta1(t *testing.T) {
endpointSlice := makeEndpointSliceV1beta1()
adaptor := newEndpointSliceAdaptorFromV1beta1(endpointSlice)
require.Equal(t, endpointSlice.ObjectMeta.Name, adaptor.name())
require.Equal(t, endpointSlice.ObjectMeta.Namespace, adaptor.namespace())
require.Equal(t, endpointSlice.AddressType, v1beta1.AddressType(adaptor.addressType()))
require.Equal(t, endpointSlice.Labels, adaptor.labels())
require.Equal(t, endpointSlice.Labels[v1beta1.LabelServiceName], "testendpoints")
for i, endpointAdaptor := range adaptor.endpoints() {
require.Equal(t, endpointSlice.Endpoints[i].Addresses, endpointAdaptor.addresses())
require.Equal(t, endpointSlice.Endpoints[i].Hostname, endpointAdaptor.hostname())
require.Equal(t, endpointSlice.Endpoints[i].Conditions.Ready, endpointAdaptor.conditions().ready())
require.Equal(t, endpointSlice.Endpoints[i].TargetRef, endpointAdaptor.targetRef())
require.Equal(t, endpointSlice.Endpoints[i].Topology, endpointAdaptor.topology())
}
for i, portAdaptor := range adaptor.ports() {
require.Equal(t, endpointSlice.Ports[i].Name, portAdaptor.name())
require.Equal(t, endpointSlice.Ports[i].Port, portAdaptor.port())
require.EqualValues(t, endpointSlice.Ports[i].Protocol, portAdaptor.protocol())
require.Equal(t, endpointSlice.Ports[i].AppProtocol, portAdaptor.appProtocol())
}
}

333
discovery/kubernetes/endpointslice_test.go
View file

@ -18,8 +18,9 @@ import (
"testing"
"github.com/prometheus/common/model"
v1 "k8s.io/api/core/v1"
disv1beta1 "k8s.io/api/discovery/v1beta1"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/discovery/v1"
"k8s.io/api/discovery/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
@ -39,39 +40,81 @@ func int32ptr(i int32) *int32 {
return &i
}
func protocolptr(p v1.Protocol) *v1.Protocol {
func protocolptr(p corev1.Protocol) *corev1.Protocol {
return &p
}
func makeEndpointSlice() *disv1beta1.EndpointSlice {
return &disv1beta1.EndpointSlice{
func makeEndpointSliceV1() *v1.EndpointSlice {
return &v1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
disv1beta1.LabelServiceName: "testendpoints",
v1.LabelServiceName: "testendpoints",
},
},
AddressType: disv1beta1.AddressTypeIPv4,
Ports: []disv1beta1.EndpointPort{
AddressType: v1.AddressTypeIPv4,
Ports: []v1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(v1.ProtocolTCP),
Protocol: protocolptr(corev1.ProtocolTCP),
AppProtocol: strptr("http"),
},
},
Endpoints: []disv1beta1.Endpoint{
Endpoints: []v1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Conditions: v1.EndpointConditions{Ready: boolptr(true)},
Hostname: strptr("testendpoint1"),
TargetRef: &corev1.ObjectReference{},
DeprecatedTopology: map[string]string{
"topology": "value",
},
}, {
Addresses: []string{"2.3.4.5"},
Conditions: v1.EndpointConditions{
Ready: boolptr(true),
},
}, {
Addresses: []string{"3.4.5.6"},
Conditions: v1.EndpointConditions{
Ready: boolptr(false),
},
},
},
}
}
func makeEndpointSliceV1beta1() *v1beta1.EndpointSlice {
return &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
v1beta1.LabelServiceName: "testendpoints",
},
},
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Hostname: strptr("testendpoint1"),
}, {
Addresses: []string{"2.3.4.5"},
Conditions: disv1beta1.EndpointConditions{
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(true),
},
}, {
Addresses: []string{"3.4.5.6"},
Conditions: disv1beta1.EndpointConditions{
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(false),
},
},
@ -80,12 +123,66 @@ func makeEndpointSlice() *disv1beta1.EndpointSlice {
}
func TestEndpointSliceDiscoveryBeforeRun(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{})
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.25.0")
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := makeEndpointSlice()
obj := makeEndpointSliceV1()
c.DiscoveryV1().EndpointSlices(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_endpointslice_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryBeforeRunV1beta1(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "1.20.0")
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := makeEndpointSliceV1beta1()
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
@ -126,69 +223,69 @@ func TestEndpointSliceDiscoveryBeforeRun(t *testing.T) {
}
func TestEndpointSliceDiscoveryAdd(t *testing.T) {
obj := &v1.Pod{
obj := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "default",
UID: types.UID("deadbeef"),
},
Spec: v1.PodSpec{
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []v1.Container{
Containers: []corev1.Container{
{
Name: "c1",
Ports: []v1.ContainerPort{
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: v1.ProtocolTCP,
Protocol: corev1.ProtocolTCP,
},
},
},
{
Name: "c2",
Ports: []v1.ContainerPort{
Ports: []corev1.ContainerPort{
{
Name: "sideport",
ContainerPort: 9001,
Protocol: v1.ProtocolTCP,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: v1.PodStatus{
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "1.2.3.4",
},
}
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, obj)
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.20.0", obj)
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &disv1beta1.EndpointSlice{
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: disv1beta1.AddressTypeIPv4,
Ports: []disv1beta1.EndpointPort{
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(v1.ProtocolTCP),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []disv1beta1.Endpoint{
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"4.3.2.1"},
TargetRef: &v1.ObjectReference{
TargetRef: &corev1.ObjectReference{
Kind: "Pod",
Name: "testpod",
Namespace: "default",
},
Conditions: disv1beta1.EndpointConditions{
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(false),
},
},
@ -247,49 +344,85 @@ func TestEndpointSliceDiscoveryAdd(t *testing.T) {
}
func TestEndpointSliceDiscoveryDelete(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, makeEndpointSlice())
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := makeEndpointSlice()
obj := makeEndpointSliceV1()
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Delete(context.Background(), obj.Name, metav1.DeleteOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Source: "endpointslice/default/testendpoints",
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: map[model.LabelName]model.LabelValue{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryUpdate(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, makeEndpointSlice())
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &disv1beta1.EndpointSlice{
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: disv1beta1.AddressTypeIPv4,
Ports: []disv1beta1.EndpointPort{
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(v1.ProtocolTCP),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []disv1beta1.Endpoint{
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Hostname: strptr("testendpoint1"),
}, {
Addresses: []string{"2.3.4.5"},
Conditions: disv1beta1.EndpointConditions{
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(true),
},
},
@ -300,11 +433,18 @@ func TestEndpointSliceDiscoveryUpdate(t *testing.T) {
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Source: "endpointslice/default/testendpoints",
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
@ -312,6 +452,15 @@ func TestEndpointSliceDiscoveryUpdate(t *testing.T) {
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
@ -321,38 +470,68 @@ func TestEndpointSliceDiscoveryUpdate(t *testing.T) {
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryEmptyEndpoints(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, makeEndpointSlice())
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &disv1beta1.EndpointSlice{
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: disv1beta1.AddressTypeIPv4,
Ports: []disv1beta1.EndpointPort{
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(v1.ProtocolTCP),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []disv1beta1.Endpoint{},
Endpoints: []v1beta1.Endpoint{},
}
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
@ -365,12 +544,12 @@ func TestEndpointSliceDiscoveryEmptyEndpoints(t *testing.T) {
}
func TestEndpointSliceDiscoveryWithService(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, makeEndpointSlice())
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := &v1.Service{
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
@ -387,8 +566,14 @@ func TestEndpointSliceDiscoveryWithService(t *testing.T) {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
@ -396,6 +581,7 @@ func TestEndpointSliceDiscoveryWithService(t *testing.T) {
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
@ -403,6 +589,7 @@ func TestEndpointSliceDiscoveryWithService(t *testing.T) {
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
@ -422,12 +609,12 @@ func TestEndpointSliceDiscoveryWithService(t *testing.T) {
}
func TestEndpointSliceDiscoveryWithServiceUpdate(t *testing.T) {
n, c := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{}, makeEndpointSlice())
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := &v1.Service{
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
@ -439,7 +626,7 @@ func TestEndpointSliceDiscoveryWithServiceUpdate(t *testing.T) {
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
afterStart: func() {
obj := &v1.Service{
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
@ -494,27 +681,27 @@ func TestEndpointSliceDiscoveryWithServiceUpdate(t *testing.T) {
}
func TestEndpointSliceDiscoveryNamespaces(t *testing.T) {
epOne := makeEndpointSlice()
epOne := makeEndpointSliceV1()
epOne.Namespace = "ns1"
objs := []runtime.Object{
epOne,
&disv1beta1.EndpointSlice{
&v1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "ns2",
},
AddressType: disv1beta1.AddressTypeIPv4,
Ports: []disv1beta1.EndpointPort{
AddressType: v1.AddressTypeIPv4,
Ports: []v1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(v1.ProtocolTCP),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []disv1beta1.Endpoint{
Endpoints: []v1.Endpoint{
{
Addresses: []string{"4.3.2.1"},
TargetRef: &v1.ObjectReference{
TargetRef: &corev1.ObjectReference{
Kind: "Pod",
Name: "testpod",
Namespace: "ns2",
@ -522,7 +709,7 @@ func TestEndpointSliceDiscoveryNamespaces(t *testing.T) {
},
},
},
&v1.Service{
&corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "ns1",
@ -531,28 +718,28 @@ func TestEndpointSliceDiscoveryNamespaces(t *testing.T) {
},
},
},
&v1.Pod{
&corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "ns2",
UID: types.UID("deadbeef"),
},
Spec: v1.PodSpec{
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []v1.Container{
Containers: []corev1.Container{
{
Name: "c1",
Ports: []v1.ContainerPort{
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: v1.ProtocolTCP,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: v1.PodStatus{
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "4.3.2.1",
},
@ -632,34 +819,34 @@ func TestEndpointSliceDiscoveryNamespaces(t *testing.T) {
}
func TestEndpointSliceDiscoveryOwnNamespace(t *testing.T) {
epOne := makeEndpointSlice()
epOne := makeEndpointSliceV1()
epOne.Namespace = "own-ns"
epTwo := makeEndpointSlice()
epTwo := makeEndpointSliceV1()
epTwo.Namespace = "non-own-ns"
podOne := &v1.Pod{
podOne := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "own-ns",
UID: types.UID("deadbeef"),
},
Spec: v1.PodSpec{
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []v1.Container{
Containers: []corev1.Container{
{
Name: "p1",
Ports: []v1.ContainerPort{
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: v1.ProtocolTCP,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: v1.PodStatus{
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "4.3.2.1",
},

54
discovery/kubernetes/kubernetes.go
View file

@ -30,6 +30,7 @@ import (
"github.com/prometheus/common/model"
"github.com/prometheus/common/version"
apiv1 "k8s.io/api/core/v1"
disv1 "k8s.io/api/discovery/v1"
disv1beta1 "k8s.io/api/discovery/v1beta1"
networkv1 "k8s.io/api/networking/v1"
"k8s.io/api/networking/v1beta1"
@ -385,7 +386,40 @@ func (d *Discovery) Run(ctx context.Context, ch chan<- []*targetgroup.Group) {
switch d.role {
case RoleEndpointSlice:
// Check "networking.k8s.io/v1" availability with retries.
// If "v1" is not available, use "networking.k8s.io/v1beta1" for backward compatibility
var v1Supported bool
if retryOnError(ctx, 10*time.Second,
func() (err error) {
v1Supported, err = checkDiscoveryV1Supported(d.client)
if err != nil {
level.Error(d.logger).Log("msg", "Failed to check networking.k8s.io/v1 availability", "err", err)
}
return err
},
) {
d.Unlock()
return
}
for _, namespace := range namespaces {
var informer cache.SharedInformer
if v1Supported {
e := d.client.DiscoveryV1().EndpointSlices(namespace)
elw := &cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
options.FieldSelector = d.selectors.endpointslice.field
options.LabelSelector = d.selectors.endpointslice.label
return e.List(ctx, options)
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
options.FieldSelector = d.selectors.endpointslice.field
options.LabelSelector = d.selectors.endpointslice.label
return e.Watch(ctx, options)
},
}
informer = cache.NewSharedInformer(elw, &disv1.EndpointSlice{}, resyncPeriod)
} else {
e := d.client.DiscoveryV1beta1().EndpointSlices(namespace)
elw := &cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
@ -399,6 +433,9 @@ func (d *Discovery) Run(ctx context.Context, ch chan<- []*targetgroup.Group) {
return e.Watch(ctx, options)
},
}
informer = cache.NewSharedInformer(elw, &disv1beta1.EndpointSlice{}, resyncPeriod)
}
s := d.client.CoreV1().Services(namespace)
slw := &cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
@ -428,7 +465,7 @@ func (d *Discovery) Run(ctx context.Context, ch chan<- []*targetgroup.Group) {
eps := NewEndpointSlice(
log.With(d.logger, "role", "endpointslice"),
cache.NewSharedInformer(slw, &apiv1.Service{}, resyncPeriod),
cache.NewSharedInformer(elw, &disv1beta1.EndpointSlice{}, resyncPeriod),
informer,
cache.NewSharedInformer(plw, &apiv1.Pod{}, resyncPeriod),
)
d.discoverers = append(d.discoverers, eps)
@ -694,3 +731,18 @@ func (d *Discovery) newPodsByNodeInformer(plw *cache.ListWatch) cache.SharedInde
return cache.NewSharedIndexInformer(plw, &apiv1.Pod{}, resyncPeriod, indexers)
}
func checkDiscoveryV1Supported(client kubernetes.Interface) (bool, error) {
k8sVer, err := client.Discovery().ServerVersion()
if err != nil {
return false, err
}
semVer, err := utilversion.ParseSemantic(k8sVer.String())
if err != nil {
return false, err
}
// The discovery.k8s.io/v1beta1 API version of EndpointSlice will no longer be served in v1.25.
// discovery.k8s.io/v1 is available since Kubernetes v1.21
// https://kubernetes.io/docs/reference/using-api/deprecation-guide/#v1-25
return semVer.Major() >= 1 && semVer.Minor() >= 21, nil
}