mirror of
https://github.com/k3s-io/kubernetes.git
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505 lines
16 KiB
Go
505 lines
16 KiB
Go
/*
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Copyright 2015 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 cmd
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import (
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"bytes"
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"fmt"
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"net/http"
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"strings"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/client-go/rest/fake"
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"k8s.io/kubernetes/pkg/api"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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"k8s.io/kubernetes/pkg/printers"
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)
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func TestRunExposeService(t *testing.T) {
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tests := []struct {
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name string
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args []string
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ns string
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calls map[string]string
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input runtime.Object
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flags map[string]string
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output runtime.Object
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expected string
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status int
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}{
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{
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name: "expose-service-from-service-no-selector-defined",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"app": "go"},
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},
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},
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expected: "service \"foo\" exposed",
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status: 200,
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},
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{
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name: "expose-service-from-service",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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},
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},
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expected: "service \"foo\" exposed",
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status: 200,
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},
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{
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name: "no-name-passed-from-the-cli",
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args: []string{"service", "mayor"},
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ns: "default",
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calls: map[string]string{
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"GET": "/namespaces/default/services/mayor",
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"POST": "/namespaces/default/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "mayor", Namespace: "default", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"run": "this"},
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},
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},
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// No --name flag specified below. Service will use the rc's name passed via the 'default-name' parameter
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flags: map[string]string{"selector": "run=this", "port": "80", "labels": "runas=amayor"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "mayor", Namespace: "", Labels: map[string]string{"runas": "amayor"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolTCP,
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Port: 80,
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TargetPort: intstr.FromInt(80),
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},
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},
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Selector: map[string]string{"run": "this"},
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},
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},
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expected: "service \"mayor\" exposed",
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status: 200,
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},
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{
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name: "expose-service",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "type": "LoadBalancer", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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Type: api.ServiceTypeLoadBalancer,
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},
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},
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status: 200,
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},
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{
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name: "expose-affinity-service",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "type": "LoadBalancer", "session-affinity": "ClientIP", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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Type: api.ServiceTypeLoadBalancer,
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SessionAffinity: api.ServiceAffinityClientIP,
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},
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},
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status: 200,
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},
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{
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name: "expose-service-cluster-ip",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "cluster-ip": "10.10.10.10", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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ClusterIP: "10.10.10.10",
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},
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},
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expected: "service \"foo\" exposed",
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status: 200,
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},
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{
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name: "expose-headless-service",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "cluster-ip": "None", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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ClusterIP: api.ClusterIPNone,
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},
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},
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expected: "service \"foo\" exposed",
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status: 200,
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},
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{
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name: "expose-headless-service-no-port",
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args: []string{"service", "baz"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/baz",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"selector": "func=stream", "name": "foo", "labels": "svc=test", "cluster-ip": "None", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{},
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Selector: map[string]string{"func": "stream"},
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ClusterIP: api.ClusterIPNone,
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},
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},
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expected: "service \"foo\" exposed",
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status: 200,
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},
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{
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name: "expose-from-file",
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args: []string{},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/redis-master",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "redis-master", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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Selector: map[string]string{"app": "go"},
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},
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},
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flags: map[string]string{"filename": "../../../examples/guestbook/redis-master-service.yaml", "selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Labels: map[string]string{"svc": "test"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolUDP,
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Port: 14,
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TargetPort: intstr.FromInt(14),
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},
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},
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Selector: map[string]string{"func": "stream"},
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},
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},
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status: 200,
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},
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{
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name: "truncate-name",
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args: []string{"pod", "a-name-that-is-toooo-big-for-a-service-because-it-can-only-handle-63-characters"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/pods/a-name-that-is-toooo-big-for-a-service-because-it-can-only-handle-63-characters",
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"POST": "/namespaces/test/services",
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},
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input: &api.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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},
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flags: map[string]string{"selector": "svc=frompod", "port": "90", "labels": "svc=frompod", "generator": "service/v2"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "a-name-that-is-toooo-big-for-a-service-because-it-can-only-handle-63-characters", Namespace: "", Labels: map[string]string{"svc": "frompod"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolTCP,
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Port: 90,
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TargetPort: intstr.FromInt(90),
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},
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},
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Selector: map[string]string{"svc": "frompod"},
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},
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},
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expected: "service \"a-name-that-is-toooo-big-for-a-service-because-it-can-only-hand\" exposed",
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status: 200,
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},
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{
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name: "expose-multiport-object",
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args: []string{"service", "foo"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/foo",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "multiport"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolTCP,
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Port: 80,
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TargetPort: intstr.FromInt(80),
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},
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{
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Protocol: api.ProtocolTCP,
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Port: 443,
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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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flags: map[string]string{"selector": "svc=fromfoo", "generator": "service/v2", "name": "fromfoo", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "fromfoo", Namespace: "", Labels: map[string]string{"svc": "multiport"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Name: "port-1",
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Protocol: api.ProtocolTCP,
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Port: 80,
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TargetPort: intstr.FromInt(80),
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},
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{
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Name: "port-2",
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Protocol: api.ProtocolTCP,
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Port: 443,
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TargetPort: intstr.FromInt(443),
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},
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},
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Selector: map[string]string{"svc": "fromfoo"},
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},
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},
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status: 200,
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},
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{
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name: "expose-multiprotocol-object",
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args: []string{"service", "foo"},
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ns: "test",
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calls: map[string]string{
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"GET": "/namespaces/test/services/foo",
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"POST": "/namespaces/test/services",
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},
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input: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "", Labels: map[string]string{"svc": "multiport"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Protocol: api.ProtocolTCP,
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Port: 80,
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TargetPort: intstr.FromInt(80),
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},
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{
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Protocol: api.ProtocolUDP,
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Port: 8080,
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TargetPort: intstr.FromInt(8080),
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},
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{
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Protocol: api.ProtocolUDP,
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Port: 8081,
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TargetPort: intstr.FromInt(8081),
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},
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},
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},
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},
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flags: map[string]string{"selector": "svc=fromfoo", "generator": "service/v2", "name": "fromfoo", "dry-run": "true"},
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output: &api.Service{
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ObjectMeta: metav1.ObjectMeta{Name: "fromfoo", Namespace: "", Labels: map[string]string{"svc": "multiport"}},
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Spec: api.ServiceSpec{
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Ports: []api.ServicePort{
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{
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Name: "port-1",
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Protocol: api.ProtocolTCP,
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Port: 80,
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TargetPort: intstr.FromInt(80),
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},
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{
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Name: "port-2",
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Protocol: api.ProtocolUDP,
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Port: 8080,
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TargetPort: intstr.FromInt(8080),
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},
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{
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Name: "port-3",
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Protocol: api.ProtocolUDP,
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Port: 8081,
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TargetPort: intstr.FromInt(8081),
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},
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},
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Selector: map[string]string{"svc": "fromfoo"},
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},
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},
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status: 200,
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},
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}
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for _, test := range tests {
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f, tf, codec, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &printers.JSONPrinter{}
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tf.Client = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == test.calls[m] && m == "GET":
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return &http.Response{StatusCode: test.status, Header: defaultHeader(), Body: objBody(codec, test.input)}, nil
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case p == test.calls[m] && m == "POST":
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return &http.Response{StatusCode: test.status, Header: defaultHeader(), Body: objBody(codec, test.output)}, nil
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default:
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t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
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return nil, nil
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}
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}),
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}
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tf.Namespace = test.ns
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buf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdExposeService(f, buf)
|
|
cmd.SetOutput(buf)
|
|
for flag, value := range test.flags {
|
|
cmd.Flags().Set(flag, value)
|
|
}
|
|
cmd.Run(cmd, test.args)
|
|
|
|
out := buf.String()
|
|
if _, ok := test.flags["dry-run"]; ok {
|
|
buf.Reset()
|
|
if err := tf.Printer.PrintObj(test.output, buf); err != nil {
|
|
t.Errorf("%s: Unexpected error: %v", test.name, err)
|
|
continue
|
|
}
|
|
|
|
test.expected = fmt.Sprintf("service %q exposed (dry run)", test.flags["name"])
|
|
}
|
|
|
|
if !strings.Contains(out, test.expected) {
|
|
t.Errorf("%s: Unexpected output! Expected\n%s\ngot\n%s", test.name, test.expected, out)
|
|
}
|
|
}
|
|
}
|