k3s/pkg/kubectl/cmd/cmd_test.go

1099 lines
31 KiB
Go

/*
Copyright 2014 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 cmd
import (
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"reflect"
"testing"
"time"
"github.com/emicklei/go-restful/swagger"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/testapi"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/api/validation"
"k8s.io/kubernetes/pkg/apimachinery/registered"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/client/restclient"
"k8s.io/kubernetes/pkg/client/typed/discovery"
client "k8s.io/kubernetes/pkg/client/unversioned"
"k8s.io/kubernetes/pkg/client/unversioned/fake"
"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/runtime/serializer"
"k8s.io/kubernetes/pkg/util/strings"
)
func initTestErrorHandler(t *testing.T) {
cmdutil.BehaviorOnFatal(func(str string, code int) {
t.Errorf("Error running command (exit code %d): %s", code, str)
})
}
func defaultHeader() http.Header {
header := http.Header{}
header.Set("Content-Type", runtime.ContentTypeJSON)
return header
}
func defaultClientConfig() *restclient.Config {
return &restclient.Config{
APIPath: "/api",
ContentConfig: restclient.ContentConfig{
NegotiatedSerializer: api.Codecs,
ContentType: runtime.ContentTypeJSON,
GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion,
},
}
}
func defaultClientConfigForVersion(version *unversioned.GroupVersion) *restclient.Config {
return &restclient.Config{
APIPath: "/api",
ContentConfig: restclient.ContentConfig{
NegotiatedSerializer: api.Codecs,
ContentType: runtime.ContentTypeJSON,
GroupVersion: version,
},
}
}
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 (obj *internalType) GetObjectKind() unversioned.ObjectKind { return obj }
func (obj *internalType) SetGroupVersionKind(gvk unversioned.GroupVersionKind) {
obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
}
func (obj *internalType) GroupVersionKind() unversioned.GroupVersionKind {
return unversioned.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
}
func (obj *externalType) GetObjectKind() unversioned.ObjectKind { return obj }
func (obj *externalType) SetGroupVersionKind(gvk unversioned.GroupVersionKind) {
obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
}
func (obj *externalType) GroupVersionKind() unversioned.GroupVersionKind {
return unversioned.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
}
func (obj *ExternalType2) GetObjectKind() unversioned.ObjectKind { return obj }
func (obj *ExternalType2) SetGroupVersionKind(gvk unversioned.GroupVersionKind) {
obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
}
func (obj *ExternalType2) GroupVersionKind() unversioned.GroupVersionKind {
return unversioned.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
}
var versionErr = errors.New("not a version")
func versionErrIfFalse(b bool) error {
if b {
return nil
}
return versionErr
}
var validVersion = registered.GroupOrDie(api.GroupName).GroupVersion.Version
var internalGV = unversioned.GroupVersion{Group: "apitest", Version: runtime.APIVersionInternal}
var unlikelyGV = unversioned.GroupVersion{Group: "apitest", Version: "unlikelyversion"}
var validVersionGV = unversioned.GroupVersion{Group: "apitest", Version: validVersion}
func newExternalScheme() (*runtime.Scheme, meta.RESTMapper, runtime.Codec) {
scheme := runtime.NewScheme()
scheme.AddKnownTypeWithName(internalGV.WithKind("Type"), &internalType{})
scheme.AddKnownTypeWithName(unlikelyGV.WithKind("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(validVersionGV.WithKind("Type"), &ExternalType2{})
codecs := serializer.NewCodecFactory(scheme)
codec := codecs.LegacyCodec(unlikelyGV)
mapper := meta.NewDefaultRESTMapper([]unversioned.GroupVersion{unlikelyGV, validVersionGV}, func(version unversioned.GroupVersion) (*meta.VersionInterfaces, error) {
return &meta.VersionInterfaces{
ObjectConvertor: scheme,
MetadataAccessor: meta.NewAccessor(),
}, versionErrIfFalse(version == validVersionGV || version == unlikelyGV)
})
for _, gv := range []unversioned.GroupVersion{unlikelyGV, validVersionGV} {
for kind := range scheme.KnownTypes(gv) {
gvk := gv.WithKind(kind)
scope := meta.RESTScopeNamespace
mapper.Add(gvk, scope)
}
}
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
}
// TODO: implement HandledResources()
func (t *testPrinter) HandledResources() []string {
return []string{}
}
func (t *testPrinter) AfterPrint(output io.Writer, res string) error {
return nil
}
type testDescriber struct {
Name, Namespace string
Settings kubectl.DescriberSettings
Output string
Err error
}
func (t *testDescriber) Describe(namespace, name string, describerSettings kubectl.DescriberSettings) (output string, err error) {
t.Namespace, t.Name = namespace, name
t.Settings = describerSettings
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 *restclient.Config
Err error
}
type fakeFactory struct {
tf *testFactory
Codec runtime.Codec
}
func NewTestFactory() (cmdutil.Factory, *testFactory, runtime.Codec, runtime.NegotiatedSerializer) {
scheme, mapper, codec := newExternalScheme()
t := &testFactory{
Validator: validation.NullSchema{},
Mapper: mapper,
Typer: scheme,
}
negotiatedSerializer := serializer.NegotiatedSerializerWrapper(
runtime.SerializerInfo{Serializer: codec},
runtime.StreamSerializerInfo{})
return &fakeFactory{
tf: t,
Codec: codec,
}, t, codec, negotiatedSerializer
}
func (f *fakeFactory) FlagSet() *pflag.FlagSet {
return nil
}
func (f *fakeFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
priorityRESTMapper := meta.PriorityRESTMapper{
Delegate: f.tf.Mapper,
ResourcePriority: []unversioned.GroupVersionResource{
{Group: meta.AnyGroup, Version: "v1", Resource: meta.AnyResource},
},
KindPriority: []unversioned.GroupVersionKind{
{Group: meta.AnyGroup, Version: "v1", Kind: meta.AnyKind},
},
}
return priorityRESTMapper, f.tf.Typer
}
func (f *fakeFactory) UnstructuredObject() (meta.RESTMapper, runtime.ObjectTyper, error) {
return nil, nil, nil
}
func (f *fakeFactory) Decoder(bool) runtime.Decoder {
return f.Codec
}
func (f *fakeFactory) JSONEncoder() runtime.Encoder {
return f.Codec
}
func (f *fakeFactory) RESTClient() (*restclient.RESTClient, error) {
return nil, nil
}
func (f *fakeFactory) ClientSet() (*internalclientset.Clientset, error) {
return nil, nil
}
func (f *fakeFactory) ClientConfig() (*restclient.Config, error) {
return f.tf.ClientConfig, f.tf.Err
}
func (f *fakeFactory) ClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
return f.tf.Client, f.tf.Err
}
func (f *fakeFactory) UnstructuredClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
return nil, nil
}
func (f *fakeFactory) Describer(*meta.RESTMapping) (kubectl.Describer, error) {
return f.tf.Describer, f.tf.Err
}
func (f *fakeFactory) Printer(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
return f.tf.Printer, f.tf.Err
}
func (f *fakeFactory) Scaler(*meta.RESTMapping) (kubectl.Scaler, error) {
return nil, nil
}
func (f *fakeFactory) Reaper(*meta.RESTMapping) (kubectl.Reaper, error) {
return nil, nil
}
func (f *fakeFactory) HistoryViewer(*meta.RESTMapping) (kubectl.HistoryViewer, error) {
return nil, nil
}
func (f *fakeFactory) Rollbacker(*meta.RESTMapping) (kubectl.Rollbacker, error) {
return nil, nil
}
func (f *fakeFactory) StatusViewer(*meta.RESTMapping) (kubectl.StatusViewer, error) {
return nil, nil
}
func (f *fakeFactory) MapBasedSelectorForObject(runtime.Object) (string, error) {
return "", nil
}
func (f *fakeFactory) PortsForObject(runtime.Object) ([]string, error) {
return nil, nil
}
func (f *fakeFactory) ProtocolsForObject(runtime.Object) (map[string]string, error) {
return nil, nil
}
func (f *fakeFactory) LabelsForObject(runtime.Object) (map[string]string, error) {
return nil, nil
}
func (f *fakeFactory) LogsForObject(object, options runtime.Object) (*restclient.Request, error) {
return nil, nil
}
func (f *fakeFactory) PauseObject(runtime.Object) (bool, error) {
return false, nil
}
func (f *fakeFactory) ResumeObject(runtime.Object) (bool, error) {
return false, nil
}
func (f *fakeFactory) Validator(validate bool, cacheDir string) (validation.Schema, error) {
return f.tf.Validator, f.tf.Err
}
func (f *fakeFactory) SwaggerSchema(unversioned.GroupVersionKind) (*swagger.ApiDeclaration, error) {
return nil, nil
}
func (f *fakeFactory) DefaultNamespace() (string, bool, error) {
return f.tf.Namespace, false, f.tf.Err
}
func (f *fakeFactory) Generators(string) map[string]kubectl.Generator {
return nil
}
func (f *fakeFactory) CanBeExposed(unversioned.GroupKind) error {
return nil
}
func (f *fakeFactory) CanBeAutoscaled(unversioned.GroupKind) error {
return nil
}
func (f *fakeFactory) AttachablePodForObject(ob runtime.Object) (*api.Pod, error) {
return nil, nil
}
func (f *fakeFactory) UpdatePodSpecForObject(obj runtime.Object, fn func(*api.PodSpec) error) (bool, error) {
return false, nil
}
func (f *fakeFactory) EditorEnvs() []string {
return nil
}
func (f *fakeFactory) PrintObjectSpecificMessage(obj runtime.Object, out io.Writer) {
}
func (f *fakeFactory) Command() string {
return ""
}
func (f *fakeFactory) BindFlags(flags *pflag.FlagSet) {
}
func (f *fakeFactory) BindExternalFlags(flags *pflag.FlagSet) {
}
func (f *fakeFactory) PrintObject(cmd *cobra.Command, mapper meta.RESTMapper, obj runtime.Object, out io.Writer) error {
return nil
}
func (f *fakeFactory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMapping, withNamespace bool) (kubectl.ResourcePrinter, error) {
return f.tf.Printer, f.tf.Err
}
func (f *fakeFactory) NewBuilder() *resource.Builder {
return nil
}
func (f *fakeFactory) DefaultResourceFilterOptions(cmd *cobra.Command, withNamespace bool) *kubectl.PrintOptions {
return &kubectl.PrintOptions{}
}
func (f *fakeFactory) DefaultResourceFilterFunc() kubectl.Filters {
return nil
}
type fakeMixedFactory struct {
cmdutil.Factory
tf *testFactory
apiClient resource.RESTClient
}
func (f *fakeMixedFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
var multiRESTMapper meta.MultiRESTMapper
multiRESTMapper = append(multiRESTMapper, f.tf.Mapper)
multiRESTMapper = append(multiRESTMapper, testapi.Default.RESTMapper())
priorityRESTMapper := meta.PriorityRESTMapper{
Delegate: multiRESTMapper,
ResourcePriority: []unversioned.GroupVersionResource{
{Group: meta.AnyGroup, Version: "v1", Resource: meta.AnyResource},
},
KindPriority: []unversioned.GroupVersionKind{
{Group: meta.AnyGroup, Version: "v1", Kind: meta.AnyKind},
},
}
return priorityRESTMapper, runtime.MultiObjectTyper{f.tf.Typer, api.Scheme}
}
func (f *fakeMixedFactory) ClientForMapping(m *meta.RESTMapping) (resource.RESTClient, error) {
if m.ObjectConvertor == api.Scheme {
return f.apiClient, f.tf.Err
}
return f.tf.Client, f.tf.Err
}
func NewMixedFactory(apiClient resource.RESTClient) (cmdutil.Factory, *testFactory, runtime.Codec) {
f, t, c, _ := NewTestFactory()
return &fakeMixedFactory{
Factory: f,
tf: t,
apiClient: apiClient,
}, t, c
}
type fakeAPIFactory struct {
cmdutil.Factory
tf *testFactory
}
func (f *fakeAPIFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
return testapi.Default.RESTMapper(), api.Scheme
}
func (f *fakeAPIFactory) UnstructuredObject() (meta.RESTMapper, runtime.ObjectTyper, error) {
groupResources := testDynamicResources()
mapper := discovery.NewRESTMapper(groupResources, meta.InterfacesForUnstructured)
typer := discovery.NewUnstructuredObjectTyper(groupResources)
return cmdutil.NewShortcutExpander(mapper, nil), typer, nil
}
func (f *fakeAPIFactory) Decoder(bool) runtime.Decoder {
return testapi.Default.Codec()
}
func (f *fakeAPIFactory) JSONEncoder() runtime.Encoder {
return testapi.Default.Codec()
}
func (f *fakeAPIFactory) ClientSet() (*internalclientset.Clientset, error) {
// Swap out the HTTP client out of the client with the fake's version.
fakeClient := f.tf.Client.(*fake.RESTClient)
restClient, err := restclient.RESTClientFor(f.tf.ClientConfig)
if err != nil {
panic(err)
}
restClient.Client = fakeClient.Client
return internalclientset.New(restClient), f.tf.Err
}
func (f *fakeAPIFactory) RESTClient() (*restclient.RESTClient, error) {
// Swap out the HTTP client out of the client with the fake's version.
fakeClient := f.tf.Client.(*fake.RESTClient)
restClient, err := restclient.RESTClientFor(f.tf.ClientConfig)
if err != nil {
panic(err)
}
restClient.Client = fakeClient.Client
return restClient, f.tf.Err
}
func (f *fakeAPIFactory) ClientConfig() (*restclient.Config, error) {
return f.tf.ClientConfig, f.tf.Err
}
func (f *fakeAPIFactory) ClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
return f.tf.Client, f.tf.Err
}
func (f *fakeAPIFactory) UnstructuredClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
return f.tf.Client, f.tf.Err
}
func (f *fakeAPIFactory) Describer(*meta.RESTMapping) (kubectl.Describer, error) {
return f.tf.Describer, f.tf.Err
}
func (f *fakeAPIFactory) Printer(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
return f.tf.Printer, f.tf.Err
}
func (f *fakeAPIFactory) LogsForObject(object, options runtime.Object) (*restclient.Request, error) {
fakeClient := f.tf.Client.(*fake.RESTClient)
c := client.NewOrDie(f.tf.ClientConfig)
c.Client = fakeClient.Client
switch t := object.(type) {
case *api.Pod:
opts, ok := options.(*api.PodLogOptions)
if !ok {
return nil, errors.New("provided options object is not a PodLogOptions")
}
return c.Pods(f.tf.Namespace).GetLogs(t.Name, opts), nil
default:
fqKinds, _, err := api.Scheme.ObjectKinds(object)
if err != nil {
return nil, err
}
return nil, fmt.Errorf("cannot get the logs from %v", fqKinds[0])
}
}
func (f *fakeAPIFactory) Validator(validate bool, cacheDir string) (validation.Schema, error) {
return f.tf.Validator, f.tf.Err
}
func (f *fakeAPIFactory) DefaultNamespace() (string, bool, error) {
return f.tf.Namespace, false, f.tf.Err
}
func (f *fakeAPIFactory) Generators(cmdName string) map[string]kubectl.Generator {
return cmdutil.DefaultGenerators(cmdName)
}
func (f *fakeAPIFactory) PrintObject(cmd *cobra.Command, mapper meta.RESTMapper, obj runtime.Object, out io.Writer) error {
gvks, _, err := api.Scheme.ObjectKinds(obj)
if err != nil {
return err
}
mapping, err := mapper.RESTMapping(gvks[0].GroupKind())
if err != nil {
return err
}
printer, err := f.PrinterForMapping(cmd, mapping, false)
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
func (f *fakeAPIFactory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMapping, withNamespace bool) (kubectl.ResourcePrinter, error) {
return f.tf.Printer, f.tf.Err
}
func (f *fakeAPIFactory) NewBuilder() *resource.Builder {
mapper, typer := f.Object()
return resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true))
}
func NewAPIFactory() (cmdutil.Factory, *testFactory, runtime.Codec, runtime.NegotiatedSerializer) {
t := &testFactory{
Validator: validation.NullSchema{},
}
rf := cmdutil.NewFactory(nil)
return &fakeAPIFactory{
Factory: rf,
tf: t,
}, t, testapi.Default.Codec(), testapi.Default.NegotiatedSerializer()
}
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.Default.Version()
// mapping := &meta.RESTMapping{
// APIVersion: version,
// }
// c, err := f.ClientForMapping(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 Example_printReplicationControllerWithNamespace() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
WithNamespace: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
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: unversioned.Time{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",
},
},
},
},
},
Status: api.ReplicationControllerStatus{
Replicas: 1,
ReadyReplicas: 1,
},
}
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAMESPACE NAME DESIRED CURRENT READY AGE
// beep foo 1 1 1 10y
}
func Example_printMultiContainersReplicationControllerWithWide() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
Wide: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
ctrl := &api.ReplicationController{
ObjectMeta: api.ObjectMeta{
Name: "foo",
Labels: map[string]string{"foo": "bar"},
CreationTimestamp: unversioned.Time{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",
},
{
Name: "foo2",
Image: "someimage2",
},
},
},
},
},
Status: api.ReplicationControllerStatus{
Replicas: 1,
},
}
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAME DESIRED CURRENT READY AGE CONTAINER(S) IMAGE(S) SELECTOR
// foo 1 1 0 10y foo,foo2 someimage,someimage2 foo=bar
}
func Example_printReplicationController() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
ctrl := &api.ReplicationController{
ObjectMeta: api.ObjectMeta{
Name: "foo",
Labels: map[string]string{"foo": "bar"},
CreationTimestamp: unversioned.Time{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",
},
{
Name: "foo2",
Image: "someimage",
},
},
},
},
},
Status: api.ReplicationControllerStatus{
Replicas: 1,
},
}
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAME DESIRED CURRENT READY AGE
// foo 1 1 0 10y
}
func Example_printPodWithWideFormat() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
Wide: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
nodeName := "kubernetes-node-abcd"
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "test1",
CreationTimestamp: unversioned.Time{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},
},
PodIP: "10.1.1.3",
},
}
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, pod, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAME READY STATUS RESTARTS AGE IP NODE
// test1 1/2 podPhase 6 10y 10.1.1.3 kubernetes-node-abcd
}
func Example_printPodWithShowLabels() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ShowLabels: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
nodeName := "kubernetes-node-abcd"
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "test1",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
Labels: map[string]string{
"l1": "key",
"l2": "value",
},
},
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},
},
},
}
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, pod, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAME READY STATUS RESTARTS AGE LABELS
// test1 1/2 podPhase 6 10y l1=key,l2=value
}
func newAllPhasePodList() *api.PodList {
nodeName := "kubernetes-node-abcd"
return &api.PodList{
Items: []api.Pod{
{
ObjectMeta: api.ObjectMeta{
Name: "test1",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
},
Spec: api.PodSpec{
Containers: make([]api.Container, 2),
NodeName: nodeName,
},
Status: api.PodStatus{
Phase: api.PodPending,
ContainerStatuses: []api.ContainerStatus{
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
{RestartCount: 3},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "test2",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
},
Spec: api.PodSpec{
Containers: make([]api.Container, 2),
NodeName: nodeName,
},
Status: api.PodStatus{
Phase: api.PodRunning,
ContainerStatuses: []api.ContainerStatus{
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
{RestartCount: 3},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "test3",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
},
Spec: api.PodSpec{
Containers: make([]api.Container, 2),
NodeName: nodeName,
},
Status: api.PodStatus{
Phase: api.PodSucceeded,
ContainerStatuses: []api.ContainerStatus{
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
{RestartCount: 3},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "test4",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
},
Spec: api.PodSpec{
Containers: make([]api.Container, 2),
NodeName: nodeName,
},
Status: api.PodStatus{
Phase: api.PodFailed,
ContainerStatuses: []api.ContainerStatus{
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
{RestartCount: 3},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "test5",
CreationTimestamp: unversioned.Time{Time: time.Now().AddDate(-10, 0, 0)},
},
Spec: api.PodSpec{
Containers: make([]api.Container, 2),
NodeName: nodeName,
},
Status: api.PodStatus{
Phase: api.PodUnknown,
ContainerStatuses: []api.ContainerStatus{
{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
{RestartCount: 3},
},
},
}},
}
}
func Example_printPodHideTerminated() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
podList := newAllPhasePodList()
// filter pods
filterFuncs := f.DefaultResourceFilterFunc()
filterOpts := f.DefaultResourceFilterOptions(cmd, false)
_, filteredPodList, errs := cmdutil.FilterResourceList(podList, filterFuncs, filterOpts)
if errs != nil {
fmt.Printf("Unexpected filter error: %v\n", errs)
}
for _, pod := range filteredPodList {
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, pod, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
}
// Output:
// NAME READY STATUS RESTARTS AGE
// test1 1/2 Pending 6 10y
// test2 1/2 Running 6 10y
// test5 1/2 Unknown 6 10y
}
func Example_printPodShowAll() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
ShowAll: true,
ColumnLabels: []string{},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
Client: nil,
}
cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
podList := newAllPhasePodList()
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, podList, os.Stdout)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// NAME READY STATUS RESTARTS AGE
// test1 1/2 Pending 6 10y
// test2 1/2 Running 6 10y
// test3 1/2 Succeeded 6 10y
// test4 1/2 Failed 6 10y
// test5 1/2 Unknown 6 10y
}
func Example_printServiceWithNamespacesAndLabels() {
f, tf, _, ns := NewAPIFactory()
tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
WithNamespace: true,
ColumnLabels: []string{"l1"},
})
tf.Client = &fake.RESTClient{
NegotiatedSerializer: ns,
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: unversioned.Time{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: unversioned.Time{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 := strings.NewLineDelimiter(os.Stdout, "|")
defer ld.Flush()
mapper, _ := f.Object()
err := f.PrintObject(cmd, mapper, svc, ld)
if err != nil {
fmt.Printf("Unexpected error: %v", err)
}
// Output:
// |NAMESPACE NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE L1|
// |ns1 svc1 10.1.1.1 <unknown> 53/UDP,53/TCP 10y value|
// |ns2 svc2 10.1.1.2 <unknown> 80/TCP,8080/TCP 10y dolla-bill-yall|
// ||
}
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")
}
}