8442a118ea
This fixes #38779. This allows us to avoid case in which printers.GetStandardPrinter returns nil for both printer and err removing any potential panics that may arise throughout kubectl commands. Please see #38779 and #38112 for complete context. Add comment explaining adding handlers to printers.HumanReadablePrinter also remove an unnecessary conversion of printers.HumanReadablePrinter to printers.ResourcePrinter.
1041 lines
32 KiB
Go
1041 lines
32 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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encjson "encoding/json"
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"io"
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"io/ioutil"
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"net/http"
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"reflect"
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"strings"
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"testing"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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"k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer/json"
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"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
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"k8s.io/apimachinery/pkg/watch"
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restclient "k8s.io/client-go/rest"
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"k8s.io/client-go/rest/fake"
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restclientwatch "k8s.io/client-go/rest/watch"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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apitesting "k8s.io/kubernetes/pkg/api/testing"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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)
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func testData() (*api.PodList, *api.ServiceList, *api.ReplicationControllerList) {
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pods := &api.PodList{
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ListMeta: metav1.ListMeta{
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ResourceVersion: "15",
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},
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Items: []api.Pod{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test", ResourceVersion: "10"},
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Spec: apitesting.DeepEqualSafePodSpec(),
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},
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{
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ObjectMeta: metav1.ObjectMeta{Name: "bar", Namespace: "test", ResourceVersion: "11"},
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Spec: apitesting.DeepEqualSafePodSpec(),
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},
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},
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}
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svc := &api.ServiceList{
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ListMeta: metav1.ListMeta{
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ResourceVersion: "16",
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},
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Items: []api.Service{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
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Spec: api.ServiceSpec{
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SessionAffinity: "None",
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Type: api.ServiceTypeClusterIP,
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},
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},
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},
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}
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rc := &api.ReplicationControllerList{
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ListMeta: metav1.ListMeta{
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ResourceVersion: "17",
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},
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Items: []api.ReplicationController{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "rc1", Namespace: "test", ResourceVersion: "18"},
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Spec: api.ReplicationControllerSpec{
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Replicas: 1,
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},
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},
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},
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}
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return pods, svc, rc
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}
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func testComponentStatusData() *api.ComponentStatusList {
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good := api.ComponentStatus{
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Conditions: []api.ComponentCondition{
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{Type: api.ComponentHealthy, Status: api.ConditionTrue, Message: "ok"},
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},
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ObjectMeta: metav1.ObjectMeta{Name: "servergood"},
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}
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bad := api.ComponentStatus{
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Conditions: []api.ComponentCondition{
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{Type: api.ComponentHealthy, Status: api.ConditionFalse, Message: "", Error: "bad status: 500"},
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},
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ObjectMeta: metav1.ObjectMeta{Name: "serverbad"},
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}
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unknown := api.ComponentStatus{
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Conditions: []api.ComponentCondition{
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{Type: api.ComponentHealthy, Status: api.ConditionUnknown, Message: "", Error: "fizzbuzz error"},
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},
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ObjectMeta: metav1.ObjectMeta{Name: "serverunknown"},
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}
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return &api.ComponentStatusList{
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Items: []api.ComponentStatus{good, bad, unknown},
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}
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}
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// Verifies that schemas that are not in the master tree of Kubernetes can be retrieved via Get.
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func TestGetUnknownSchemaObject(t *testing.T) {
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f, tf, _, _ := cmdtesting.NewAPIFactory()
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_, _, codec, _ := cmdtesting.NewTestFactory()
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tf.Printer = &testPrinter{}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, cmdtesting.NewInternalType("", "", "foo"))},
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}
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tf.Namespace = "test"
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tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(api.GroupName).GroupVersion}}
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.SetOutput(buf)
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cmd.Run(cmd, []string{"type", "foo"})
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expected := []runtime.Object{cmdtesting.NewInternalType("", "", "foo")}
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actual := tf.Printer.(*testPrinter).Objects
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if len(actual) != len(expected) {
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t.Fatal(actual)
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}
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for i, obj := range actual {
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expectedJSON := runtime.EncodeOrDie(codec, expected[i])
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expectedMap := map[string]interface{}{}
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if err := encjson.Unmarshal([]byte(expectedJSON), &expectedMap); err != nil {
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t.Fatal(err)
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}
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actualJSON := runtime.EncodeOrDie(api.Codecs.LegacyCodec(), obj)
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actualMap := map[string]interface{}{}
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if err := encjson.Unmarshal([]byte(actualJSON), &actualMap); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(expectedMap, actualMap) {
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t.Errorf("unexpected object: \n%#v\n%#v", expectedMap, actualMap)
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}
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}
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}
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// Verifies that schemas that are not in the master tree of Kubernetes can be retrieved via Get.
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func TestGetSchemaObject(t *testing.T) {
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f, tf, _, _ := cmdtesting.NewAPIFactory()
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tf.Mapper = testapi.Default.RESTMapper()
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tf.Typer = api.Scheme
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codec := testapi.Default.Codec()
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tf.Printer = &testPrinter{}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &api.ReplicationController{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})},
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}
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tf.Namespace = "test"
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tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: "v1"}}}
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.Run(cmd, []string{"replicationcontrollers", "foo"})
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if !strings.Contains(buf.String(), "\"foo\"") {
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t.Errorf("unexpected output: %s", buf.String())
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}
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}
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func TestGetObjects(t *testing.T) {
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pods, _, _ := testData()
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f, tf, codec, _ := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[0])},
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}
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tf.Namespace = "test"
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.SetOutput(buf)
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cmd.Run(cmd, []string{"pods", "foo"})
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expected := []runtime.Object{&pods.Items[0]}
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verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
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if len(buf.String()) == 0 {
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t.Errorf("unexpected empty output")
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}
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}
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func TestGetObjectsFiltered(t *testing.T) {
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initTestErrorHandler(t)
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pods, _, _ := testData()
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pods.Items[0].Status.Phase = api.PodFailed
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first := &pods.Items[0]
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second := &pods.Items[1]
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testCases := []struct {
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args []string
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resp runtime.Object
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flags map[string]string
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expect []runtime.Object
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genericPrinter bool
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}{
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{args: []string{"pods", "foo"}, resp: first, expect: []runtime.Object{first}, genericPrinter: true},
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{args: []string{"pods", "foo"}, flags: map[string]string{"show-all": "false"}, resp: first, expect: []runtime.Object{first}, genericPrinter: true},
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{args: []string{"pods"}, flags: map[string]string{"show-all": "true"}, resp: pods, expect: []runtime.Object{first, second}},
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{args: []string{"pods/foo"}, resp: first, expect: []runtime.Object{first}, genericPrinter: true},
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{args: []string{"pods"}, flags: map[string]string{"output": "yaml"}, resp: pods, expect: []runtime.Object{second}},
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{args: []string{}, flags: map[string]string{"filename": "../../../examples/storage/cassandra/cassandra-controller.yaml"}, resp: pods, expect: []runtime.Object{first, second}},
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{args: []string{"pods"}, resp: pods, expect: []runtime.Object{second}},
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{args: []string{"pods"}, flags: map[string]string{"show-all": "true", "output": "yaml"}, resp: pods, expect: []runtime.Object{first, second}},
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{args: []string{"pods"}, flags: map[string]string{"show-all": "false"}, resp: pods, expect: []runtime.Object{second}},
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}
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for i, test := range testCases {
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t.Logf("%d", i)
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f, tf, codec, _ := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{GenericPrinter: test.genericPrinter}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, test.resp)},
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}
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tf.Namespace = "test"
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.SetOutput(buf)
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for k, v := range test.flags {
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cmd.Flags().Lookup(k).Value.Set(v)
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}
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cmd.Run(cmd, test.args)
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verifyObjects(t, test.expect, tf.Printer.(*testPrinter).Objects)
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if len(buf.String()) == 0 {
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t.Errorf("%d: unexpected empty output", i)
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}
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}
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}
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func TestGetObjectIgnoreNotFound(t *testing.T) {
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initTestErrorHandler(t)
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ns := &api.NamespaceList{
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ListMeta: metav1.ListMeta{
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ResourceVersion: "1",
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},
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Items: []api.Namespace{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "testns", Namespace: "test", ResourceVersion: "11"},
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Spec: api.NamespaceSpec{},
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},
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},
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}
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f, tf, codec, _ := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{GenericPrinter: true}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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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 == "/namespaces/test/pods/nonexistentpod" && m == "GET":
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return &http.Response{StatusCode: 404, Header: defaultHeader(), Body: stringBody("")}, nil
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case p == "/api/v1/namespaces/test" && m == "GET":
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &ns.Items[0])}, 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"
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.SetOutput(buf)
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cmd.Flags().Set("ignore-not-found", "true")
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cmd.Flags().Set("output", "yaml")
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cmd.Run(cmd, []string{"pods", "nonexistentpod"})
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if buf.String() != "" {
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t.Errorf("unexpected output: %s", buf.String())
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}
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}
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func TestGetSortedObjects(t *testing.T) {
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pods := &api.PodList{
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ListMeta: metav1.ListMeta{
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ResourceVersion: "15",
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},
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Items: []api.Pod{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "c", Namespace: "test", ResourceVersion: "10"},
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Spec: apitesting.DeepEqualSafePodSpec(),
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},
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{
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ObjectMeta: metav1.ObjectMeta{Name: "b", Namespace: "test", ResourceVersion: "11"},
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Spec: apitesting.DeepEqualSafePodSpec(),
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},
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{
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ObjectMeta: metav1.ObjectMeta{Name: "a", Namespace: "test", ResourceVersion: "9"},
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Spec: apitesting.DeepEqualSafePodSpec(),
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},
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},
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}
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f, tf, codec, _ := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.UnstructuredClient = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: unstructuredSerializer,
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Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
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}
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tf.Namespace = "test"
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tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: "v1"}}}
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdGet(f, buf, errBuf)
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cmd.SetOutput(buf)
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// sorting with metedata.name
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cmd.Flags().Set("sort-by", ".metadata.name")
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cmd.Run(cmd, []string{"pods"})
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// expect sorted: a,b,c
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expected := []runtime.Object{&pods.Items[2], &pods.Items[1], &pods.Items[0]}
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verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
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|
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if len(buf.String()) == 0 {
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t.Errorf("unexpected empty output")
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}
|
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}
|
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|
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func verifyObjects(t *testing.T, expected, actual []runtime.Object) {
|
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var actualObj runtime.Object
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var err error
|
|
|
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if len(actual) != len(expected) {
|
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t.Fatalf("expected %d, got %d", len(expected), len(actual))
|
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}
|
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for i, obj := range actual {
|
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switch obj.(type) {
|
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case runtime.Unstructured, *runtime.Unknown:
|
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actualObj, err = runtime.Decode(
|
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api.Codecs.UniversalDecoder(),
|
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[]byte(runtime.EncodeOrDie(api.Codecs.LegacyCodec(), obj)))
|
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default:
|
|
actualObj = obj
|
|
err = nil
|
|
}
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !apiequality.Semantic.DeepEqual(expected[i], actualObj) {
|
|
t.Errorf("unexpected object: %d \n%#v\n%#v", i, expected[i], actualObj)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestGetObjectsIdentifiedByFile(t *testing.T) {
|
|
pods, _, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{GenericPrinter: true}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[0])},
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Flags().Set("filename", "../../../examples/storage/cassandra/cassandra-controller.yaml")
|
|
cmd.Run(cmd, []string{})
|
|
|
|
expected := []runtime.Object{&pods.Items[0]}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetListObjects(t *testing.T) {
|
|
pods, _, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Run(cmd, []string{"pods"})
|
|
|
|
expected, err := extractResourceList([]runtime.Object{pods})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func extractResourceList(objs []runtime.Object) ([]runtime.Object, error) {
|
|
finalObjs := []runtime.Object{}
|
|
for _, obj := range objs {
|
|
items, err := meta.ExtractList(obj)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, item := range items {
|
|
finalObjs = append(finalObjs, item)
|
|
}
|
|
}
|
|
return finalObjs, nil
|
|
}
|
|
|
|
func TestGetAllListObjects(t *testing.T) {
|
|
pods, _, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Flags().Set("show-all", "true")
|
|
cmd.Run(cmd, []string{"pods"})
|
|
|
|
expected, err := extractResourceList([]runtime.Object{pods})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetListComponentStatus(t *testing.T) {
|
|
statuses := testComponentStatusData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, statuses)},
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Run(cmd, []string{"componentstatuses"})
|
|
|
|
expected, err := extractResourceList([]runtime.Object{statuses})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetMultipleTypeObjects(t *testing.T) {
|
|
pods, svc, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
|
|
case "/namespaces/test/services":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Run(cmd, []string{"pods,services"})
|
|
|
|
expected, err := extractResourceList([]runtime.Object{pods, svc})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetMultipleTypeObjectsAsList(t *testing.T) {
|
|
pods, svc, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{GenericPrinter: true}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
|
|
case "/namespaces/test/services":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(api.GroupName).GroupVersion}}
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("output", "json")
|
|
cmd.Run(cmd, []string{"pods,services"})
|
|
|
|
actual := tf.Printer.(*testPrinter).Objects
|
|
fn := func(obj runtime.Object) unstructured.Unstructured {
|
|
data, err := runtime.Encode(api.Codecs.LegacyCodec(schema.GroupVersion{Version: "v1"}), obj)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
out := &unstructured.Unstructured{Object: make(map[string]interface{})}
|
|
if err := encjson.Unmarshal(data, &out.Object); err != nil {
|
|
panic(err)
|
|
}
|
|
return *out
|
|
}
|
|
|
|
expected := &unstructured.UnstructuredList{
|
|
Object: map[string]interface{}{"kind": "List", "apiVersion": "v1", "metadata": map[string]interface{}{"selfLink": "", "resourceVersion": ""}},
|
|
Items: []unstructured.Unstructured{
|
|
fn(&pods.Items[0]),
|
|
fn(&pods.Items[1]),
|
|
fn(&svc.Items[0]),
|
|
},
|
|
}
|
|
actualBytes, err := encjson.Marshal(actual[0])
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
expectedBytes, err := encjson.Marshal(expected)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(actualBytes) != string(expectedBytes) {
|
|
t.Errorf("unexpected object:\n%s\n%s", expectedBytes, actualBytes)
|
|
}
|
|
}
|
|
|
|
func TestGetMultipleTypeObjectsWithSelector(t *testing.T) {
|
|
pods, svc, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
if req.URL.Query().Get(metav1.LabelSelectorQueryParam(api.Registry.GroupOrDie(api.GroupName).GroupVersion.String())) != "a=b" {
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
}
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
|
|
case "/namespaces/test/services":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("selector", "a=b")
|
|
cmd.Run(cmd, []string{"pods,services"})
|
|
|
|
expected, err := extractResourceList([]runtime.Object{pods, svc})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetMultipleTypeObjectsWithDirectReference(t *testing.T) {
|
|
_, svc, _ := testData()
|
|
node := &api.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "foo",
|
|
},
|
|
Spec: api.NodeSpec{
|
|
ExternalID: "ext",
|
|
},
|
|
}
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/nodes/foo":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, node)}, nil
|
|
case "/namespaces/test/services/bar":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &svc.Items[0])}, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Run(cmd, []string{"services/bar", "node/foo"})
|
|
|
|
expected := []runtime.Object{&svc.Items[0], node}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestGetByFormatForcesFlag(t *testing.T) {
|
|
pods, _, _ := testData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{GenericPrinter: true}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Resp: &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[0])},
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
cmd.Flags().Lookup("output").Value.Set("yaml")
|
|
cmd.Run(cmd, []string{"pods"})
|
|
|
|
showAllFlag, _ := cmd.Flags().GetBool("show-all")
|
|
if showAllFlag {
|
|
t.Errorf("expected showAll to not be true when getting resource")
|
|
}
|
|
}
|
|
|
|
func watchTestData() ([]api.Pod, []watch.Event) {
|
|
pods := []api.Pod{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "bar",
|
|
Namespace: "test",
|
|
ResourceVersion: "9",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "foo",
|
|
Namespace: "test",
|
|
ResourceVersion: "10",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
}
|
|
events := []watch.Event{
|
|
// current state events
|
|
{
|
|
Type: watch.Added,
|
|
Object: &api.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "bar",
|
|
Namespace: "test",
|
|
ResourceVersion: "9",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
},
|
|
{
|
|
Type: watch.Added,
|
|
Object: &api.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "foo",
|
|
Namespace: "test",
|
|
ResourceVersion: "10",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
},
|
|
// resource events
|
|
{
|
|
Type: watch.Modified,
|
|
Object: &api.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "foo",
|
|
Namespace: "test",
|
|
ResourceVersion: "11",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
},
|
|
{
|
|
Type: watch.Deleted,
|
|
Object: &api.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "foo",
|
|
Namespace: "test",
|
|
ResourceVersion: "12",
|
|
},
|
|
Spec: apitesting.DeepEqualSafePodSpec(),
|
|
},
|
|
},
|
|
}
|
|
return pods, events
|
|
}
|
|
|
|
func TestWatchSelector(t *testing.T) {
|
|
pods, events := watchTestData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
podList := &api.PodList{
|
|
Items: pods,
|
|
ListMeta: metav1.ListMeta{
|
|
ResourceVersion: "10",
|
|
},
|
|
}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
if req.URL.Query().Get(metav1.LabelSelectorQueryParam(api.Registry.GroupOrDie(api.GroupName).GroupVersion.String())) != "a=b" {
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
}
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods":
|
|
if req.URL.Query().Get("watch") == "true" {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: watchBody(codec, events[2:])}, nil
|
|
} else {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, podList)}, nil
|
|
}
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("watch", "true")
|
|
cmd.Flags().Set("selector", "a=b")
|
|
cmd.Run(cmd, []string{"pods"})
|
|
|
|
expected := []runtime.Object{&pods[0], &pods[1], events[2].Object, events[3].Object}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestWatchResource(t *testing.T) {
|
|
pods, events := watchTestData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods/foo":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods[1])}, nil
|
|
case "/namespaces/test/pods":
|
|
if req.URL.Query().Get("watch") == "true" && req.URL.Query().Get("fieldSelector") == "metadata.name=foo" {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: watchBody(codec, events[1:])}, nil
|
|
}
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("watch", "true")
|
|
cmd.Run(cmd, []string{"pods", "foo"})
|
|
|
|
expected := []runtime.Object{&pods[1], events[2].Object, events[3].Object}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestWatchResourceIdentifiedByFile(t *testing.T) {
|
|
pods, events := watchTestData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/replicationcontrollers/cassandra":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods[1])}, nil
|
|
case "/namespaces/test/replicationcontrollers":
|
|
if req.URL.Query().Get("watch") == "true" && req.URL.Query().Get("fieldSelector") == "metadata.name=cassandra" {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: watchBody(codec, events[1:])}, nil
|
|
}
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("watch", "true")
|
|
cmd.Flags().Set("filename", "../../../examples/storage/cassandra/cassandra-controller.yaml")
|
|
cmd.Run(cmd, []string{})
|
|
|
|
expected := []runtime.Object{&pods[1], events[2].Object, events[3].Object}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestWatchOnlyResource(t *testing.T) {
|
|
pods, events := watchTestData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods/foo":
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods[1])}, nil
|
|
case "/namespaces/test/pods":
|
|
if req.URL.Query().Get("watch") == "true" && req.URL.Query().Get("fieldSelector") == "metadata.name=foo" {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: watchBody(codec, events[1:])}, nil
|
|
}
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("watch-only", "true")
|
|
cmd.Run(cmd, []string{"pods", "foo"})
|
|
|
|
expected := []runtime.Object{events[2].Object, events[3].Object}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func TestWatchOnlyList(t *testing.T) {
|
|
pods, events := watchTestData()
|
|
|
|
f, tf, codec, _ := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
podList := &api.PodList{
|
|
Items: pods,
|
|
ListMeta: metav1.ListMeta{
|
|
ResourceVersion: "10",
|
|
},
|
|
}
|
|
tf.UnstructuredClient = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: unstructuredSerializer,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch req.URL.Path {
|
|
case "/namespaces/test/pods":
|
|
if req.URL.Query().Get("watch") == "true" {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: watchBody(codec, events[2:])}, nil
|
|
} else {
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, podList)}, nil
|
|
}
|
|
default:
|
|
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = "test"
|
|
buf := bytes.NewBuffer([]byte{})
|
|
errBuf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdGet(f, buf, errBuf)
|
|
cmd.SetOutput(buf)
|
|
|
|
cmd.Flags().Set("watch-only", "true")
|
|
cmd.Run(cmd, []string{"pods"})
|
|
|
|
expected := []runtime.Object{events[2].Object, events[3].Object}
|
|
verifyObjects(t, expected, tf.Printer.(*testPrinter).Objects)
|
|
|
|
if len(buf.String()) == 0 {
|
|
t.Errorf("unexpected empty output")
|
|
}
|
|
}
|
|
|
|
func watchBody(codec runtime.Codec, events []watch.Event) io.ReadCloser {
|
|
buf := bytes.NewBuffer([]byte{})
|
|
enc := restclientwatch.NewEncoder(streaming.NewEncoder(buf, codec), codec)
|
|
for i := range events {
|
|
enc.Encode(&events[i])
|
|
}
|
|
return json.Framer.NewFrameReader(ioutil.NopCloser(buf))
|
|
}
|