636 lines
18 KiB
Go
636 lines
18 KiB
Go
/*
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Copyright 2014 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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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"reflect"
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"testing"
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"time"
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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/runtime/schema"
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restclient "k8s.io/client-go/rest"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/client/restclient/fake"
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"k8s.io/kubernetes/pkg/kubectl"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/util/strings"
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)
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func initTestErrorHandler(t *testing.T) {
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cmdutil.BehaviorOnFatal(func(str string, code int) {
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t.Errorf("Error running command (exit code %d): %s", code, str)
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})
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}
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func defaultHeader() http.Header {
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header := http.Header{}
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header.Set("Content-Type", runtime.ContentTypeJSON)
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return header
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}
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func defaultClientConfig() *restclient.Config {
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return &restclient.Config{
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APIPath: "/api",
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ContentConfig: restclient.ContentConfig{
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NegotiatedSerializer: api.Codecs,
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ContentType: runtime.ContentTypeJSON,
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GroupVersion: &api.Registry.GroupOrDie(api.GroupName).GroupVersion,
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},
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}
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}
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func defaultClientConfigForVersion(version *schema.GroupVersion) *restclient.Config {
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return &restclient.Config{
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APIPath: "/api",
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ContentConfig: restclient.ContentConfig{
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NegotiatedSerializer: api.Codecs,
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ContentType: runtime.ContentTypeJSON,
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GroupVersion: version,
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},
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}
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}
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type testPrinter struct {
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Objects []runtime.Object
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Err error
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}
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func (t *testPrinter) PrintObj(obj runtime.Object, out io.Writer) error {
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t.Objects = append(t.Objects, obj)
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fmt.Fprintf(out, "%#v", obj)
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return t.Err
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}
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// TODO: implement HandledResources()
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func (t *testPrinter) HandledResources() []string {
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return []string{}
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}
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func (t *testPrinter) AfterPrint(output io.Writer, res string) error {
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return nil
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}
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type testDescriber struct {
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Name, Namespace string
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Settings kubectl.DescriberSettings
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Output string
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Err error
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}
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func (t *testDescriber) Describe(namespace, name string, describerSettings kubectl.DescriberSettings) (output string, err error) {
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t.Namespace, t.Name = namespace, name
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t.Settings = describerSettings
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return t.Output, t.Err
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}
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func objBody(codec runtime.Codec, obj runtime.Object) io.ReadCloser {
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return ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(codec, obj))))
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}
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func policyObjBody(obj runtime.Object) io.ReadCloser {
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return ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(testapi.Policy.Codec(), obj))))
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}
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func bytesBody(bodyBytes []byte) io.ReadCloser {
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return ioutil.NopCloser(bytes.NewReader(bodyBytes))
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}
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func stringBody(body string) io.ReadCloser {
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return ioutil.NopCloser(bytes.NewReader([]byte(body)))
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}
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// TODO(jlowdermilk): refactor the Factory so we can test client versions properly,
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// with different client/server version skew scenarios.
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// Verify that resource.RESTClients constructed from a factory respect mapping.APIVersion
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//func TestClientVersions(t *testing.T) {
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// f := cmdutil.NewFactory(nil)
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//
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// version := testapi.Default.Version()
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// mapping := &meta.RESTMapping{
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// APIVersion: version,
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// }
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// c, err := f.ClientForMapping(mapping)
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// if err != nil {
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// t.Errorf("unexpected error: %v", err)
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// }
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// client := c.(*client.RESTClient)
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// if client.APIVersion() != version {
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// t.Errorf("unexpected Client APIVersion: %s %v", client.APIVersion, client)
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// }
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//}
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func Example_printReplicationControllerWithNamespace() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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WithNamespace: true,
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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ctrl := &api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Namespace: "beep",
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Labels: map[string]string{"foo": "bar"},
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 1,
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Selector: map[string]string{"foo": "bar"},
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Template: &api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"foo": "bar"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "foo",
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Image: "someimage",
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},
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},
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},
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},
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},
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Status: api.ReplicationControllerStatus{
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Replicas: 1,
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ReadyReplicas: 1,
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},
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}
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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// Output:
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// NAMESPACE NAME DESIRED CURRENT READY AGE
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// beep foo 1 1 1 10y
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}
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func Example_printMultiContainersReplicationControllerWithWide() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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Wide: true,
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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ctrl := &api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"foo": "bar"},
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 1,
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Selector: map[string]string{"foo": "bar"},
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Template: &api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"foo": "bar"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "foo",
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Image: "someimage",
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},
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{
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Name: "foo2",
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Image: "someimage2",
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},
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},
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},
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},
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},
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Status: api.ReplicationControllerStatus{
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Replicas: 1,
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},
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}
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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// Output:
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// NAME DESIRED CURRENT READY AGE CONTAINER(S) IMAGE(S) SELECTOR
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// foo 1 1 0 10y foo,foo2 someimage,someimage2 foo=bar
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}
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func Example_printReplicationController() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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ctrl := &api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"foo": "bar"},
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 1,
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Selector: map[string]string{"foo": "bar"},
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Template: &api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"foo": "bar"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "foo",
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Image: "someimage",
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},
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{
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Name: "foo2",
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Image: "someimage",
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},
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},
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},
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},
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},
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Status: api.ReplicationControllerStatus{
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Replicas: 1,
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},
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}
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, ctrl, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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// Output:
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// NAME DESIRED CURRENT READY AGE
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// foo 1 1 0 10y
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}
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func Example_printPodWithWideFormat() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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Wide: true,
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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nodeName := "kubernetes-node-abcd"
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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pod := &api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test1",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: "podPhase",
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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PodIP: "10.1.1.3",
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},
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}
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, pod, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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// Output:
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// NAME READY STATUS RESTARTS AGE IP NODE
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// test1 1/2 podPhase 6 10y 10.1.1.3 kubernetes-node-abcd
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}
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func Example_printPodWithShowLabels() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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ShowLabels: true,
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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nodeName := "kubernetes-node-abcd"
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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pod := &api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test1",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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Labels: map[string]string{
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"l1": "key",
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"l2": "value",
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},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: "podPhase",
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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}
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, pod, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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// Output:
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// NAME READY STATUS RESTARTS AGE LABELS
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// test1 1/2 podPhase 6 10y l1=key,l2=value
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}
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func newAllPhasePodList() *api.PodList {
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nodeName := "kubernetes-node-abcd"
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return &api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test1",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: api.PodPending,
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test2",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: api.PodRunning,
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test3",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: api.PodSucceeded,
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test4",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: api.PodFailed,
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test5",
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CreationTimestamp: metav1.Time{Time: time.Now().AddDate(-10, 0, 0)},
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},
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Spec: api.PodSpec{
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Containers: make([]api.Container, 2),
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NodeName: nodeName,
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},
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Status: api.PodStatus{
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Phase: api.PodUnknown,
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ContainerStatuses: []api.ContainerStatus{
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{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
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{RestartCount: 3},
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},
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},
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}},
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}
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}
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func Example_printPodHideTerminated() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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podList := newAllPhasePodList()
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// filter pods
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filterFuncs := f.DefaultResourceFilterFunc()
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filterOpts := f.DefaultResourceFilterOptions(cmd, false)
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_, filteredPodList, errs := cmdutil.FilterResourceList(podList, filterFuncs, filterOpts)
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if errs != nil {
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fmt.Printf("Unexpected filter error: %v\n", errs)
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}
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for _, pod := range filteredPodList {
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mapper, _ := f.Object()
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err := f.PrintObject(cmd, mapper, pod, os.Stdout)
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if err != nil {
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fmt.Printf("Unexpected error: %v", err)
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}
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}
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// Output:
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// NAME READY STATUS RESTARTS AGE
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// test1 1/2 Pending 6 10y
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// test2 1/2 Running 6 10y
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// test5 1/2 Unknown 6 10y
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}
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func Example_printPodShowAll() {
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = kubectl.NewHumanReadablePrinter(kubectl.PrintOptions{
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ShowAll: true,
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ColumnLabels: []string{},
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})
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: nil,
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}
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cmd := NewCmdRun(f, os.Stdin, os.Stdout, os.Stderr)
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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 := cmdtesting.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: metav1.ObjectMeta{
|
|
Name: "svc1",
|
|
Namespace: "ns1",
|
|
CreationTimestamp: metav1.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: metav1.ObjectMeta{
|
|
Name: "svc2",
|
|
Namespace: "ns2",
|
|
CreationTimestamp: metav1.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")
|
|
}
|
|
}
|
|
|
|
func genResponseWithJsonEncodedBody(bodyStruct interface{}) (*http.Response, error) {
|
|
jsonBytes, err := json.Marshal(bodyStruct)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bytesBody(jsonBytes)}, nil
|
|
}
|