mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-10-31 02:08:13 +00:00
427 lines
12 KiB
Go
427 lines
12 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
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 cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/api/latest"
|
|
"k8s.io/kubernetes/pkg/api/meta"
|
|
"k8s.io/kubernetes/pkg/api/testapi"
|
|
"k8s.io/kubernetes/pkg/api/validation"
|
|
"k8s.io/kubernetes/pkg/client"
|
|
"k8s.io/kubernetes/pkg/kubectl"
|
|
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
|
|
"k8s.io/kubernetes/pkg/kubectl/resource"
|
|
"k8s.io/kubernetes/pkg/runtime"
|
|
"k8s.io/kubernetes/pkg/util"
|
|
)
|
|
|
|
type internalType struct {
|
|
Kind string
|
|
APIVersion string
|
|
|
|
Name string
|
|
}
|
|
|
|
type externalType struct {
|
|
Kind string `json:"kind"`
|
|
APIVersion string `json:"apiVersion"`
|
|
|
|
Name string `json:"name"`
|
|
}
|
|
|
|
type ExternalType2 struct {
|
|
Kind string `json:"kind"`
|
|
APIVersion string `json:"apiVersion"`
|
|
|
|
Name string `json:"name"`
|
|
}
|
|
|
|
func (*internalType) IsAnAPIObject() {}
|
|
func (*externalType) IsAnAPIObject() {}
|
|
func (*ExternalType2) IsAnAPIObject() {}
|
|
|
|
var versionErr = errors.New("not a version")
|
|
|
|
func versionErrIfFalse(b bool) error {
|
|
if b {
|
|
return nil
|
|
}
|
|
return versionErr
|
|
}
|
|
|
|
func newExternalScheme() (*runtime.Scheme, meta.RESTMapper, runtime.Codec) {
|
|
scheme := runtime.NewScheme()
|
|
scheme.AddKnownTypeWithName("", "Type", &internalType{})
|
|
scheme.AddKnownTypeWithName("unlikelyversion", "Type", &externalType{})
|
|
//This tests that kubectl will not confuse the external scheme with the internal scheme, even when they accidentally have versions of the same name.
|
|
scheme.AddKnownTypeWithName(testapi.Version(), "Type", &ExternalType2{})
|
|
|
|
codec := runtime.CodecFor(scheme, "unlikelyversion")
|
|
validVersion := testapi.Version()
|
|
mapper := meta.NewDefaultRESTMapper([]string{"unlikelyversion", validVersion}, func(version string) (*meta.VersionInterfaces, error) {
|
|
return &meta.VersionInterfaces{
|
|
Codec: runtime.CodecFor(scheme, version),
|
|
ObjectConvertor: scheme,
|
|
MetadataAccessor: meta.NewAccessor(),
|
|
}, versionErrIfFalse(version == validVersion || version == "unlikelyversion")
|
|
})
|
|
for _, version := range []string{"unlikelyversion", validVersion} {
|
|
for kind := range scheme.KnownTypes(version) {
|
|
mixedCase := false
|
|
scope := meta.RESTScopeNamespace
|
|
mapper.Add(scope, kind, version, mixedCase)
|
|
}
|
|
}
|
|
|
|
return scheme, mapper, codec
|
|
}
|
|
|
|
type testPrinter struct {
|
|
Objects []runtime.Object
|
|
Err error
|
|
}
|
|
|
|
func (t *testPrinter) PrintObj(obj runtime.Object, out io.Writer) error {
|
|
t.Objects = append(t.Objects, obj)
|
|
fmt.Fprintf(out, "%#v", obj)
|
|
return t.Err
|
|
}
|
|
|
|
type testDescriber struct {
|
|
Name, Namespace string
|
|
Output string
|
|
Err error
|
|
}
|
|
|
|
func (t *testDescriber) Describe(namespace, name string) (output string, err error) {
|
|
t.Namespace, t.Name = namespace, name
|
|
return t.Output, t.Err
|
|
}
|
|
|
|
type testFactory struct {
|
|
Mapper meta.RESTMapper
|
|
Typer runtime.ObjectTyper
|
|
Client kubectl.RESTClient
|
|
Describer kubectl.Describer
|
|
Printer kubectl.ResourcePrinter
|
|
Validator validation.Schema
|
|
Namespace string
|
|
ClientConfig *client.Config
|
|
Err error
|
|
}
|
|
|
|
func NewTestFactory() (*cmdutil.Factory, *testFactory, runtime.Codec) {
|
|
scheme, mapper, codec := newExternalScheme()
|
|
t := &testFactory{
|
|
Validator: validation.NullSchema{},
|
|
Mapper: mapper,
|
|
Typer: scheme,
|
|
}
|
|
return &cmdutil.Factory{
|
|
Object: func() (meta.RESTMapper, runtime.ObjectTyper) {
|
|
return t.Mapper, t.Typer
|
|
},
|
|
RESTClient: func(*meta.RESTMapping) (resource.RESTClient, error) {
|
|
return t.Client, t.Err
|
|
},
|
|
Describer: func(*meta.RESTMapping) (kubectl.Describer, error) {
|
|
return t.Describer, t.Err
|
|
},
|
|
Printer: func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
|
|
return t.Printer, t.Err
|
|
},
|
|
Validator: func() (validation.Schema, error) {
|
|
return t.Validator, t.Err
|
|
},
|
|
DefaultNamespace: func() (string, bool, error) {
|
|
return t.Namespace, false, t.Err
|
|
},
|
|
ClientConfig: func() (*client.Config, error) {
|
|
return t.ClientConfig, t.Err
|
|
},
|
|
}, t, codec
|
|
}
|
|
|
|
func NewMixedFactory(apiClient resource.RESTClient) (*cmdutil.Factory, *testFactory, runtime.Codec) {
|
|
f, t, c := NewTestFactory()
|
|
f.Object = func() (meta.RESTMapper, runtime.ObjectTyper) {
|
|
return meta.MultiRESTMapper{t.Mapper, latest.RESTMapper}, runtime.MultiObjectTyper{t.Typer, api.Scheme}
|
|
}
|
|
f.RESTClient = func(m *meta.RESTMapping) (resource.RESTClient, error) {
|
|
if m.ObjectConvertor == api.Scheme {
|
|
return apiClient, t.Err
|
|
}
|
|
return t.Client, t.Err
|
|
}
|
|
return f, t, c
|
|
}
|
|
|
|
func NewAPIFactory() (*cmdutil.Factory, *testFactory, runtime.Codec) {
|
|
t := &testFactory{
|
|
Validator: validation.NullSchema{},
|
|
}
|
|
generators := map[string]kubectl.Generator{
|
|
"run/v1": kubectl.BasicReplicationController{},
|
|
"service/v1": kubectl.ServiceGeneratorV1{},
|
|
"service/v2": kubectl.ServiceGeneratorV2{},
|
|
}
|
|
return &cmdutil.Factory{
|
|
Object: func() (meta.RESTMapper, runtime.ObjectTyper) {
|
|
return latest.RESTMapper, api.Scheme
|
|
},
|
|
Client: func() (*client.Client, error) {
|
|
// Swap out the HTTP client out of the client with the fake's version.
|
|
fakeClient := t.Client.(*client.FakeRESTClient)
|
|
c := client.NewOrDie(t.ClientConfig)
|
|
c.Client = fakeClient.Client
|
|
return c, t.Err
|
|
},
|
|
RESTClient: func(*meta.RESTMapping) (resource.RESTClient, error) {
|
|
return t.Client, t.Err
|
|
},
|
|
Describer: func(*meta.RESTMapping) (kubectl.Describer, error) {
|
|
return t.Describer, t.Err
|
|
},
|
|
Printer: func(mapping *meta.RESTMapping, noHeaders, withNamespace bool, wide bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
|
|
return t.Printer, t.Err
|
|
},
|
|
Validator: func() (validation.Schema, error) {
|
|
return t.Validator, t.Err
|
|
},
|
|
DefaultNamespace: func() (string, bool, error) {
|
|
return t.Namespace, false, t.Err
|
|
},
|
|
ClientConfig: func() (*client.Config, error) {
|
|
return t.ClientConfig, t.Err
|
|
},
|
|
Generator: func(name string) (kubectl.Generator, bool) {
|
|
generator, ok := generators[name]
|
|
return generator, ok
|
|
},
|
|
}, t, testapi.Codec()
|
|
}
|
|
|
|
func objBody(codec runtime.Codec, obj runtime.Object) io.ReadCloser {
|
|
return ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(codec, obj))))
|
|
}
|
|
|
|
func stringBody(body string) io.ReadCloser {
|
|
return ioutil.NopCloser(bytes.NewReader([]byte(body)))
|
|
}
|
|
|
|
// TODO(jlowdermilk): refactor the Factory so we can test client versions properly,
|
|
// with different client/server version skew scenarios.
|
|
// Verify that resource.RESTClients constructed from a factory respect mapping.APIVersion
|
|
//func TestClientVersions(t *testing.T) {
|
|
// f := cmdutil.NewFactory(nil)
|
|
//
|
|
// version := testapi.Version()
|
|
// mapping := &meta.RESTMapping{
|
|
// APIVersion: version,
|
|
// }
|
|
// c, err := f.RESTClient(mapping)
|
|
// if err != nil {
|
|
// t.Errorf("unexpected error: %v", err)
|
|
// }
|
|
// client := c.(*client.RESTClient)
|
|
// if client.APIVersion() != version {
|
|
// t.Errorf("unexpected Client APIVersion: %s %v", client.APIVersion, client)
|
|
// }
|
|
//}
|
|
|
|
func ExamplePrintReplicationControllerWithNamespace() {
|
|
f, tf, codec := NewAPIFactory()
|
|
tf.Printer = kubectl.NewHumanReadablePrinter(false, true, false, []string{})
|
|
tf.Client = &client.FakeRESTClient{
|
|
Codec: codec,
|
|
Client: nil,
|
|
}
|
|
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
|
|
ctrl := &api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "foo",
|
|
Namespace: "beep",
|
|
Labels: map[string]string{"foo": "bar"},
|
|
CreationTimestamp: util.Time{time.Now().AddDate(-10, 0, 0)},
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 1,
|
|
Selector: map[string]string{"foo": "bar"},
|
|
Template: &api.PodTemplateSpec{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Labels: map[string]string{"foo": "bar"},
|
|
},
|
|
Spec: api.PodSpec{
|
|
Containers: []api.Container{
|
|
{
|
|
Name: "foo",
|
|
Image: "someimage",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
err := f.PrintObject(cmd, ctrl, os.Stdout)
|
|
if err != nil {
|
|
fmt.Printf("Unexpected error: %v", err)
|
|
}
|
|
// Output:
|
|
// NAMESPACE CONTROLLER CONTAINER(S) IMAGE(S) SELECTOR REPLICAS AGE
|
|
// beep foo foo someimage foo=bar 1 10y
|
|
}
|
|
|
|
func ExamplePrintPodWithWideFormat() {
|
|
f, tf, codec := NewAPIFactory()
|
|
tf.Printer = kubectl.NewHumanReadablePrinter(false, false, true, []string{})
|
|
tf.Client = &client.FakeRESTClient{
|
|
Codec: codec,
|
|
Client: nil,
|
|
}
|
|
nodeName := "kubernetes-minion-abcd"
|
|
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "test1",
|
|
CreationTimestamp: util.Time{time.Now().AddDate(-10, 0, 0)},
|
|
},
|
|
Spec: api.PodSpec{
|
|
Containers: make([]api.Container, 2),
|
|
NodeName: nodeName,
|
|
},
|
|
Status: api.PodStatus{
|
|
Phase: "podPhase",
|
|
ContainerStatuses: []api.ContainerStatus{
|
|
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
|
|
{RestartCount: 3},
|
|
},
|
|
},
|
|
}
|
|
err := f.PrintObject(cmd, pod, os.Stdout)
|
|
if err != nil {
|
|
fmt.Printf("Unexpected error: %v", err)
|
|
}
|
|
// Output:
|
|
// NAME READY STATUS RESTARTS AGE NODE
|
|
// test1 1/2 podPhase 6 10y kubernetes-minion-abcd
|
|
}
|
|
|
|
func ExamplePrintServiceWithNamespacesAndLabels() {
|
|
f, tf, codec := NewAPIFactory()
|
|
tf.Printer = kubectl.NewHumanReadablePrinter(false, true, false, []string{"l1"})
|
|
tf.Client = &client.FakeRESTClient{
|
|
Codec: codec,
|
|
Client: nil,
|
|
}
|
|
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
|
|
svc := &api.ServiceList{
|
|
Items: []api.Service{
|
|
{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "svc1",
|
|
Namespace: "ns1",
|
|
CreationTimestamp: util.Time{time.Now().AddDate(-10, 0, 0)},
|
|
Labels: map[string]string{
|
|
"l1": "value",
|
|
},
|
|
},
|
|
Spec: api.ServiceSpec{
|
|
Ports: []api.ServicePort{
|
|
{Protocol: "UDP", Port: 53},
|
|
{Protocol: "TCP", Port: 53},
|
|
},
|
|
Selector: map[string]string{
|
|
"s": "magic",
|
|
},
|
|
ClusterIP: "10.1.1.1",
|
|
},
|
|
Status: api.ServiceStatus{},
|
|
},
|
|
{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "svc2",
|
|
Namespace: "ns2",
|
|
CreationTimestamp: util.Time{time.Now().AddDate(-10, 0, 0)},
|
|
Labels: map[string]string{
|
|
"l1": "dolla-bill-yall",
|
|
},
|
|
},
|
|
Spec: api.ServiceSpec{
|
|
Ports: []api.ServicePort{
|
|
{Protocol: "TCP", Port: 80},
|
|
{Protocol: "TCP", Port: 8080},
|
|
},
|
|
Selector: map[string]string{
|
|
"s": "kazam",
|
|
},
|
|
ClusterIP: "10.1.1.2",
|
|
},
|
|
Status: api.ServiceStatus{},
|
|
}},
|
|
}
|
|
ld := util.NewLineDelimiter(os.Stdout, "|")
|
|
defer ld.Flush()
|
|
err := f.PrintObject(cmd, svc, ld)
|
|
if err != nil {
|
|
fmt.Printf("Unexpected error: %v", err)
|
|
}
|
|
// Output:
|
|
// |NAMESPACE NAME LABELS SELECTOR IP(S) PORT(S) AGE L1|
|
|
// |ns1 svc1 l1=value s=magic 10.1.1.1 53/UDP 10y value|
|
|
// | 53/TCP |
|
|
// |ns2 svc2 l1=dolla-bill-yall s=kazam 10.1.1.2 80/TCP 10y dolla-bill-yall|
|
|
// | 8080/TCP |
|
|
// ||
|
|
}
|
|
|
|
func TestNormalizationFuncGlobalExistence(t *testing.T) {
|
|
// This test can be safely deleted when we will not support multiple flag formats
|
|
root := NewKubectlCommand(cmdutil.NewFactory(nil), os.Stdin, os.Stdout, os.Stderr)
|
|
|
|
if root.Parent() != nil {
|
|
t.Fatal("We expect the root command to be returned")
|
|
}
|
|
if root.GlobalNormalizationFunc() == nil {
|
|
t.Fatal("We expect that root command has a global normalization function")
|
|
}
|
|
|
|
if reflect.ValueOf(root.GlobalNormalizationFunc()).Pointer() != reflect.ValueOf(root.Flags().GetNormalizeFunc()).Pointer() {
|
|
t.Fatal("root command seems to have a wrong normalization function")
|
|
}
|
|
|
|
sub := root
|
|
for sub.HasSubCommands() {
|
|
sub = sub.Commands()[0]
|
|
}
|
|
|
|
// In case of failure of this test check this PR: spf13/cobra#110
|
|
if reflect.ValueOf(sub.Flags().GetNormalizeFunc()).Pointer() != reflect.ValueOf(root.Flags().GetNormalizeFunc()).Pointer() {
|
|
t.Fatal("child and root commands should have the same normalization functions")
|
|
}
|
|
}
|