feat: switch from endpoints to endpointslices (#8890)
* endpointslices Signed-off-by: tombokombo <tombo@sysart.tech> * cleanup Signed-off-by: tombokombo <tombo@sysart.tech> * fix rbac Signed-off-by: tombokombo <tombo@sysart.tech> * fix comments Signed-off-by: tombokombo <tombo@sysart.tech> * cleanup store, add store tests Signed-off-by: tombokombo <tombo@sysart.tech> * fix copyright date Signed-off-by: tombokombo <tombo@sysart.tech> Signed-off-by: tombokombo <tombo@sysart.tech>
This commit is contained in:
Tomas Hulata
GitHub
parent
0f5bf530ae
commit
3579ed0487
11 changed files with 520 additions and 301 deletions
669
internal/ingress/controller/endpointslices_test.go
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669
internal/ingress/controller/endpointslices_test.go
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@ -0,0 +1,669 @@
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/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"fmt"
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"testing"
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corev1 "k8s.io/api/core/v1"
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discoveryv1 "k8s.io/api/discovery/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/ingress-nginx/pkg/apis/ingress"
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)
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func TestGetEndpointsFromSlices(t *testing.T) {
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tests := []struct {
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name string
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svc *corev1.Service
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port *corev1.ServicePort
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proto corev1.Protocol
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fn func(string) ([]*discoveryv1.EndpointSlice, error)
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result []ingress.Endpoint
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}{
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{
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"no service should return 0 endpoint",
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nil,
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nil,
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return nil, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"no service port should return 0 endpoint",
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&corev1.Service{},
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nil,
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return nil, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"a service without endpoint should return 0 endpoint",
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&corev1.Service{},
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&corev1.ServicePort{Name: "default"},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"a service type ServiceTypeExternalName service with an invalid port should return 0 endpoint",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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},
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},
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&corev1.ServicePort{Name: "default"},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"a service type ServiceTypeExternalName service with localhost in name should return 0 endpoint",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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ExternalName: "localhost",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(443),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"a service type ServiceTypeExternalName service with 127.0.0.1 in name should return 0 endpoint",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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ExternalName: "127.0.0.1",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(443),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"a service type ServiceTypeExternalName with a valid port should return one endpoint",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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ExternalName: "www.google.com",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(443),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{
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{
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Address: "www.google.com",
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Port: "443",
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},
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},
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},
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{
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"a service type ServiceTypeExternalName with an trailing dot ExternalName value should return one endpoints",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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ExternalName: "www.google.com.",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{
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{
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Address: "www.google.com",
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Port: "443",
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},
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},
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},
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{
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"a service type ServiceTypeExternalName with an invalid ExternalName value should no return endpoints",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeExternalName,
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ExternalName: "1#invalid.hostname",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"should return no endpoint when there is an error searching for endpoints",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeClusterIP,
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ClusterIP: "1.1.1.1",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return nil, fmt.Errorf("unexpected error")
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},
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[]ingress.Endpoint{},
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},
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{
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"should return no endpoint when the protocol does not match",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeClusterIP,
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ClusterIP: "1.1.1.1",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
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},
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Endpoints: []discoveryv1.Endpoint{
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{
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Addresses: []string{"1.1.1.1"},
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Conditions: discoveryv1.EndpointConditions{
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Ready: &[]bool{true}[0],
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},
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},
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},
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Ports: []discoveryv1.EndpointPort{
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{
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Name: &[]string{""}[0],
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Port: &[]int32{80}[0],
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Protocol: &[]corev1.Protocol{corev1.ProtocolUDP}[0],
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},
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},
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}}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"should return no endpoint when there is no ready Addresses",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeClusterIP,
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ClusterIP: "1.1.1.1",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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},
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},
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},
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&corev1.ServicePort{
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Name: "default",
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TargetPort: intstr.FromInt(80),
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},
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corev1.ProtocolTCP,
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func(string) ([]*discoveryv1.EndpointSlice, error) {
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return []*discoveryv1.EndpointSlice{{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
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},
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Endpoints: []discoveryv1.Endpoint{
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{
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Addresses: []string{"1.1.1.1"},
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Conditions: discoveryv1.EndpointConditions{
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Ready: &[]bool{false}[0],
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},
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},
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},
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Ports: []discoveryv1.EndpointPort{
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{
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Name: &[]string{""}[0],
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Port: &[]int32{80}[0],
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Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
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},
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},
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}}, nil
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},
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[]ingress.Endpoint{},
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},
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{
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"should return no endpoint when the name of the port name do not match any port in the endpointPort and TargetPort is string",
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&corev1.Service{
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeClusterIP,
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ClusterIP: "1.1.1.1",
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Ports: []corev1.ServicePort{
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{
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Name: "default",
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TargetPort: intstr.FromString("port-1"),
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},
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},
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},
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},
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&corev1.ServicePort{
|
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Name: "default",
|
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TargetPort: intstr.FromString("port-1"),
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},
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corev1.ProtocolTCP,
|
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func(string) ([]*discoveryv1.EndpointSlice, error) {
|
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return []*discoveryv1.EndpointSlice{{
|
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ObjectMeta: metav1.ObjectMeta{
|
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Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
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},
|
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Endpoints: []discoveryv1.Endpoint{
|
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{
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Addresses: []string{"1.1.1.1"},
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Conditions: discoveryv1.EndpointConditions{
|
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Ready: &[]bool{true}[0],
|
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},
|
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},
|
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},
|
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Ports: []discoveryv1.EndpointPort{
|
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{
|
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Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
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Port: &[]int32{80}[0],
|
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Name: &[]string{"another-name"}[0],
|
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},
|
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},
|
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}}, nil
|
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},
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[]ingress.Endpoint{},
|
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},
|
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{
|
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"should return one endpoint when the name of the port name do not match any port in the endpointPort and TargetPort is int",
|
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&corev1.Service{
|
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Spec: corev1.ServiceSpec{
|
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Type: corev1.ServiceTypeClusterIP,
|
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ClusterIP: "1.1.1.1",
|
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Ports: []corev1.ServicePort{
|
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{
|
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Name: "default",
|
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TargetPort: intstr.FromInt(80),
|
||||
},
|
||||
},
|
||||
},
|
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},
|
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&corev1.ServicePort{
|
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Name: "default",
|
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TargetPort: intstr.FromInt(80),
|
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},
|
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corev1.ProtocolTCP,
|
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func(string) ([]*discoveryv1.EndpointSlice, error) {
|
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return []*discoveryv1.EndpointSlice{{
|
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ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"1.1.1.1"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"another-name"}[0],
|
||||
},
|
||||
},
|
||||
}}, nil
|
||||
},
|
||||
[]ingress.Endpoint{
|
||||
{
|
||||
Address: "1.1.1.1",
|
||||
Port: "80",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"should return one endpoint when the name of the port name match a port in the endpointPort",
|
||||
&corev1.Service{
|
||||
Spec: corev1.ServiceSpec{
|
||||
Type: corev1.ServiceTypeClusterIP,
|
||||
ClusterIP: "1.1.1.1",
|
||||
Ports: []corev1.ServicePort{
|
||||
{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromInt(80),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
&corev1.ServicePort{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromInt(80),
|
||||
},
|
||||
corev1.ProtocolTCP,
|
||||
func(string) ([]*discoveryv1.EndpointSlice, error) {
|
||||
return []*discoveryv1.EndpointSlice{{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"1.1.1.1"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"default"}[0],
|
||||
},
|
||||
},
|
||||
}}, nil
|
||||
},
|
||||
[]ingress.Endpoint{
|
||||
{
|
||||
Address: "1.1.1.1",
|
||||
Port: "80",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"should return two endpoints when the name of the port name match a port in the endpointPort",
|
||||
&corev1.Service{
|
||||
Spec: corev1.ServiceSpec{
|
||||
Type: corev1.ServiceTypeClusterIP,
|
||||
ClusterIP: "1.1.1.1",
|
||||
Ports: []corev1.ServicePort{
|
||||
{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromInt(80),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
&corev1.ServicePort{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromString("port-1"),
|
||||
},
|
||||
corev1.ProtocolTCP,
|
||||
func(string) ([]*discoveryv1.EndpointSlice, error) {
|
||||
return []*discoveryv1.EndpointSlice{
|
||||
{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"1.1.1.1"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"default"}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"2.2.2.2"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"default"}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
}, nil
|
||||
},
|
||||
[]ingress.Endpoint{
|
||||
{
|
||||
Address: "1.1.1.1",
|
||||
Port: "80",
|
||||
},
|
||||
{
|
||||
Address: "2.2.2.2",
|
||||
Port: "80",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"should return one endpoints when the name of the port name match a port in the endpointPort",
|
||||
&corev1.Service{
|
||||
Spec: corev1.ServiceSpec{
|
||||
Type: corev1.ServiceTypeClusterIP,
|
||||
ClusterIP: "1.1.1.1",
|
||||
Ports: []corev1.ServicePort{
|
||||
{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromInt(80),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
&corev1.ServicePort{
|
||||
Name: "port-1",
|
||||
TargetPort: intstr.FromString("port-1"),
|
||||
},
|
||||
corev1.ProtocolTCP,
|
||||
func(string) ([]*discoveryv1.EndpointSlice, error) {
|
||||
return []*discoveryv1.EndpointSlice{
|
||||
{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"1.1.1.1"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"port-1"}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"2.2.2.2"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"another-name"}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
}, nil
|
||||
},
|
||||
[]ingress.Endpoint{
|
||||
{
|
||||
Address: "1.1.1.1",
|
||||
Port: "80",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"should return one endpoint when the name of the port name match more than one port in the endpointPort",
|
||||
&corev1.Service{
|
||||
Spec: corev1.ServiceSpec{
|
||||
Type: corev1.ServiceTypeClusterIP,
|
||||
ClusterIP: "1.1.1.1",
|
||||
Ports: []corev1.ServicePort{
|
||||
{
|
||||
Name: "default",
|
||||
TargetPort: intstr.FromString("port-1"),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
&corev1.ServicePort{
|
||||
Name: "port-1",
|
||||
TargetPort: intstr.FromString("port-1"),
|
||||
},
|
||||
corev1.ProtocolTCP,
|
||||
func(string) ([]*discoveryv1.EndpointSlice, error) {
|
||||
return []*discoveryv1.EndpointSlice{{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: map[string]string{discoveryv1.LabelServiceName: "default"},
|
||||
},
|
||||
Endpoints: []discoveryv1.Endpoint{
|
||||
{
|
||||
Addresses: []string{"1.1.1.1"},
|
||||
Conditions: discoveryv1.EndpointConditions{
|
||||
Ready: &[]bool{true}[0],
|
||||
},
|
||||
},
|
||||
},
|
||||
Ports: []discoveryv1.EndpointPort{
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"port-1"}[0],
|
||||
},
|
||||
{
|
||||
Protocol: &[]corev1.Protocol{corev1.ProtocolTCP}[0],
|
||||
Port: &[]int32{80}[0],
|
||||
Name: &[]string{"port-2"}[0],
|
||||
},
|
||||
},
|
||||
}}, nil
|
||||
},
|
||||
[]ingress.Endpoint{
|
||||
{
|
||||
Address: "1.1.1.1",
|
||||
Port: "80",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, testCase := range tests {
|
||||
t.Run(testCase.name, func(t *testing.T) {
|
||||
result := getEndpointsFromSlices(testCase.svc, testCase.port, testCase.proto, testCase.fn)
|
||||
if len(testCase.result) != len(result) {
|
||||
t.Errorf("Expected %d Endpoints but got %d", len(testCase.result), len(result))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue