mirror of
https://github.com/kubernetes/kubectl.git
synced 2026-04-11 20:06:20 -04:00
291 lines
9.5 KiB
Go
291 lines
9.5 KiB
Go
/*
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Copyright 2016 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 create
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import (
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"k8s.io/cli-runtime/pkg/genericclioptions"
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restclient "k8s.io/client-go/rest"
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cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
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"testing"
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v1 "k8s.io/api/core/v1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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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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)
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func TestCreateServices(t *testing.T) {
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tests := []struct {
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name string
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serviceType v1.ServiceType
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tcp []string
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clusterip string
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externalName string
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nodeport int
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expected *v1.Service
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expectErr bool
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}{
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{
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name: "clusterip-ok",
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tcp: []string{"456", "321:908"},
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clusterip: "",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-ok",
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Labels: map[string]string{"app": "clusterip-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{{Name: "456", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 456, StrVal: ""}, NodePort: 0},
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{Name: "321-908", Protocol: "TCP", Port: 321, TargetPort: intstr.IntOrString{Type: 0, IntVal: 908, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "clusterip-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "clusterip-missing",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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name: "clusterip-none-wrong-type",
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tcp: []string{},
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clusterip: "None",
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serviceType: v1.ServiceTypeNodePort,
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expectErr: true,
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},
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{
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name: "clusterip-none-ok",
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tcp: []string{},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-none-ok",
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Labels: map[string]string{"app": "clusterip-none-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{},
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Selector: map[string]string{"app": "clusterip-none-ok"},
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ClusterIP: "None", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "clusterip-none-and-port-mapping",
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tcp: []string{"456:9898"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-none-and-port-mapping",
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Labels: map[string]string{"app": "clusterip-none-and-port-mapping"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{{Name: "456-9898", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 9898, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "clusterip-none-and-port-mapping"},
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ClusterIP: "None", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "loadbalancer-ok",
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tcp: []string{"456:9898"},
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clusterip: "",
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serviceType: v1.ServiceTypeLoadBalancer,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "loadbalancer-ok",
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Labels: map[string]string{"app": "loadbalancer-ok"},
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},
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Spec: v1.ServiceSpec{Type: "LoadBalancer",
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Ports: []v1.ServicePort{{Name: "456-9898", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 9898, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "loadbalancer-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "invalid-port",
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tcp: []string{"65536"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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name: "invalid-port-mapping",
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tcp: []string{"8080:-abc"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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expectErr: true,
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},
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{
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name: "validate-ok",
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serviceType: v1.ServiceTypeClusterIP,
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tcp: []string{"123", "234:1234"},
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clusterip: "",
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "validate-ok",
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Labels: map[string]string{"app": "validate-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{
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{Name: "123", Protocol: "TCP", Port: 123, TargetPort: intstr.IntOrString{Type: 0, IntVal: 123, StrVal: ""}, NodePort: 0},
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{Name: "234-1234", Protocol: "TCP", Port: 234, TargetPort: intstr.IntOrString{Type: 0, IntVal: 1234, StrVal: ""}, NodePort: 0},
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},
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Selector: map[string]string{"app": "validate-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "invalid-ClusterIPNone",
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serviceType: v1.ServiceTypeNodePort,
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tcp: []string{"123", "234:1234"},
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clusterip: v1.ClusterIPNone,
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expectErr: true,
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},
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{
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name: "TCP-none",
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serviceType: v1.ServiceTypeClusterIP,
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clusterip: "",
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expectErr: true,
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},
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{
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name: "invalid-ExternalName",
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serviceType: v1.ServiceTypeExternalName,
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tcp: []string{"123", "234:1234"},
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clusterip: "",
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externalName: "@oi:test",
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expectErr: true,
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},
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{
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name: "externalName-ok",
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serviceType: v1.ServiceTypeExternalName,
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tcp: []string{"123", "234:1234"},
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clusterip: "",
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externalName: "www.externalname.com",
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "externalName-ok",
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Labels: map[string]string{"app": "externalName-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ExternalName",
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Ports: []v1.ServicePort{
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{Name: "123", Protocol: "TCP", Port: 123, TargetPort: intstr.IntOrString{Type: 0, IntVal: 123, StrVal: ""}, NodePort: 0},
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{Name: "234-1234", Protocol: "TCP", Port: 234, TargetPort: intstr.IntOrString{Type: 0, IntVal: 1234, StrVal: ""}, NodePort: 0},
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},
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Selector: map[string]string{"app": "externalName-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: "", ExternalName: "www.externalname.com"},
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},
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expectErr: false,
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},
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{
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name: "my-node-port-service-ok",
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serviceType: v1.ServiceTypeNodePort,
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tcp: []string{"443:https", "30000:8000"},
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clusterip: "",
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-node-port-service-ok",
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Labels: map[string]string{"app": "my-node-port-service-ok"},
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},
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Spec: v1.ServiceSpec{Type: "NodePort",
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Ports: []v1.ServicePort{
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{Name: "443-https", Protocol: "TCP", Port: 443, TargetPort: intstr.IntOrString{Type: 1, IntVal: 0, StrVal: "https"}, NodePort: 0},
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{Name: "30000-8000", Protocol: "TCP", Port: 30000, TargetPort: intstr.IntOrString{Type: 0, IntVal: 8000, StrVal: ""}, NodePort: 0},
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},
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Selector: map[string]string{"app": "my-node-port-service-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "my-node-port-service-ok2",
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serviceType: v1.ServiceTypeNodePort,
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tcp: []string{"80:http"},
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clusterip: "",
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nodeport: 4444,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-node-port-service-ok2",
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Labels: map[string]string{"app": "my-node-port-service-ok2"},
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},
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Spec: v1.ServiceSpec{Type: "NodePort",
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Ports: []v1.ServicePort{
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{Name: "80-http", Protocol: "TCP", Port: 80, TargetPort: intstr.IntOrString{Type: 1, IntVal: 0, StrVal: "http"}, NodePort: 4444},
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},
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Selector: map[string]string{"app": "my-node-port-service-ok2"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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options := ServiceOptions{
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Name: tc.name,
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Type: tc.serviceType,
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TCP: tc.tcp,
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ClusterIP: tc.clusterip,
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NodePort: tc.nodeport,
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ExternalName: tc.externalName,
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}
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var service *v1.Service
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err := options.Validate()
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if err == nil {
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service, err = options.createService()
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}
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if tc.expectErr && err == nil {
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t.Errorf("%s: expected an error, but createService passes.", tc.name)
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}
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if !tc.expectErr && err != nil {
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t.Errorf("%s: unexpected error: %v", tc.name, err)
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}
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if !apiequality.Semantic.DeepEqual(service, tc.expected) {
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t.Errorf("%s: expected:\n%#v\ngot:\n%#v", tc.name, tc.expected, service)
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}
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})
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}
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}
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func TestCreateServiceWithNamespace(t *testing.T) {
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svcName := "test-service"
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ns := "test"
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tf := cmdtesting.NewTestFactory().WithNamespace(ns)
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defer tf.Cleanup()
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tf.ClientConfigVal = &restclient.Config{}
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ioStreams, _, buf, _ := genericclioptions.NewTestIOStreams()
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cmd := NewCmdCreateServiceClusterIP(tf, ioStreams)
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cmd.Flags().Set("dry-run", "client")
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cmd.Flags().Set("output", "jsonpath={.metadata.namespace}")
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cmd.Flags().Set("clusterip", "None")
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cmd.Run(cmd, []string{svcName})
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if buf.String() != ns {
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t.Errorf("expected output: %s, but got: %s", ns, buf.String())
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}
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}
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