Add tests for controller getEndpoints
This commit is contained in:
Manuel de Brito Fontes
parent
18a6a3051d
commit
777c637cf6
3 changed files with 572 additions and 99 deletions
438
internal/ingress/controller/endpoints_test.go
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438
internal/ingress/controller/endpoints_test.go
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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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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/ingress-nginx/internal/ingress"
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"k8s.io/ingress-nginx/internal/ingress/annotations/healthcheck"
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)
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func TestGetEndpoints(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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hz *healthcheck.Config
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fn func(*corev1.Service) (*corev1.Endpoints, 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 endpoints",
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nil,
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nil,
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corev1.ProtocolTCP,
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nil,
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func(*corev1.Service) (*corev1.Endpoints, 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 endpoints",
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&corev1.Service{},
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nil,
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corev1.ProtocolTCP,
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nil,
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func(*corev1.Service) (*corev1.Endpoints, 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 endpoints should return 0 endpoints",
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&corev1.Service{},
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&corev1.ServicePort{Name: "default"},
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corev1.ProtocolTCP,
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nil,
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func(*corev1.Service) (*corev1.Endpoints, error) {
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return &corev1.Endpoints{}, 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 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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},
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},
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&corev1.ServicePort{Name: "default"},
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corev1.ProtocolTCP,
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nil,
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func(*corev1.Service) (*corev1.Endpoints, error) {
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return &corev1.Endpoints{}, 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: "10.0.0.1.xip.io",
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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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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return &corev1.Endpoints{}, nil
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},
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[]ingress.Endpoint{
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{
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Address: "10.0.0.1.xip.io",
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Port: "80",
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MaxFails: 0,
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FailTimeout: 0,
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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 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: "foo.bar",
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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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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return &corev1.Endpoints{}, 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 endpoints 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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, 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 endpoints 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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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nodeName := "dummy"
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return &corev1.Endpoints{
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Subsets: []corev1.EndpointSubset{
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{
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Addresses: []corev1.EndpointAddress{
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{
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IP: "1.1.1.1",
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NodeName: &nodeName,
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},
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},
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Ports: []corev1.EndpointPort{
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{
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Protocol: corev1.ProtocolUDP,
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},
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},
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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 endpoints 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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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nodeName := "dummy"
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return &corev1.Endpoints{
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Subsets: []corev1.EndpointSubset{
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{
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NotReadyAddresses: []corev1.EndpointAddress{
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{
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IP: "1.1.1.1",
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NodeName: &nodeName,
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},
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},
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Ports: []corev1.EndpointPort{
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{
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Protocol: corev1.ProtocolUDP,
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},
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},
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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 endpoints when the name of the port name do not match any port in the endpoint Subsets",
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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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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nodeName := "dummy"
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return &corev1.Endpoints{
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Subsets: []corev1.EndpointSubset{
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{
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Addresses: []corev1.EndpointAddress{
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{
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IP: "1.1.1.1",
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NodeName: &nodeName,
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},
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},
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Ports: []corev1.EndpointPort{
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{
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Protocol: corev1.ProtocolTCP,
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Port: int32(80),
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Name: "another-name",
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},
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},
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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 match a port in the endpoint Subsets",
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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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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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nodeName := "dummy"
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return &corev1.Endpoints{
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Subsets: []corev1.EndpointSubset{
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{
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Addresses: []corev1.EndpointAddress{
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{
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IP: "1.1.1.1",
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NodeName: &nodeName,
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},
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},
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Ports: []corev1.EndpointPort{
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{
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Protocol: corev1.ProtocolTCP,
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Port: int32(80),
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Name: "default",
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},
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},
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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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Address: "1.1.1.1",
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Port: "80",
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MaxFails: 0,
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FailTimeout: 0,
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},
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},
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},
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{
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"should return one endpoint when the name of the port name match more than one port in the endpoint Subsets",
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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: "port-1",
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TargetPort: intstr.FromString("port-1"),
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},
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corev1.ProtocolTCP,
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&healthcheck.Config{
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MaxFails: 0,
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FailTimeout: 0,
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},
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func(*corev1.Service) (*corev1.Endpoints, error) {
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nodeName := "dummy"
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return &corev1.Endpoints{
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Subsets: []corev1.EndpointSubset{
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{
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Addresses: []corev1.EndpointAddress{
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{
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IP: "1.1.1.1",
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NodeName: &nodeName,
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},
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},
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Ports: []corev1.EndpointPort{
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{
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Name: "port-1",
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Protocol: corev1.ProtocolTCP,
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Port: 80,
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},
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{
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Name: "port-1",
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Protocol: corev1.ProtocolTCP,
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Port: 80,
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},
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},
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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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Address: "1.1.1.1",
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Port: "80",
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MaxFails: 0,
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FailTimeout: 0,
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},
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},
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},
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}
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for _, testCase := range tests {
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t.Run(testCase.name, func(t *testing.T) {
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result := getEndpoints(testCase.svc, testCase.port, testCase.proto, testCase.hz, testCase.fn)
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if len(testCase.result) != len(result) {
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t.Errorf("expected %v Endpoints but got %v", testCase.result, len(result))
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}
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})
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}
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}
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