kubectl/pkg/cmd/create/create_service_test.go
Arda Güçlü 3f05cfcd78 Migrate genericclioptions.IOStreams usage to genericiooptions
Kubernetes-commit: 00c30941260a27e6929aef84c7fdbc8f1508518c
2023-04-05 14:07:46 +03:00

292 lines
9.5 KiB
Go

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