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apply_test.go
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apply_test.go
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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package apply
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
sptest "k8s.io/apimachinery/pkg/util/strategicpatch/testing"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/cli-runtime/pkg/genericiooptions"
"k8s.io/cli-runtime/pkg/resource"
dynamicfakeclient "k8s.io/client-go/dynamic/fake"
openapiclient "k8s.io/client-go/openapi"
"k8s.io/client-go/openapi/openapitest"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/rest/fake"
testing2 "k8s.io/client-go/testing"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
"k8s.io/client-go/util/csaupgrade"
cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
cmdutil "k8s.io/kubectl/pkg/cmd/util"
"k8s.io/kubectl/pkg/scheme"
"k8s.io/kubectl/pkg/util/openapi"
"k8s.io/utils/ptr"
"k8s.io/utils/strings/slices"
"sigs.k8s.io/yaml"
)
var (
fakeSchema = sptest.Fake{Path: filepath.Join("..", "..", "..", "testdata", "openapi", "swagger.json")}
fakeOpenAPIV3Legacy = sptest.OpenAPIV3Getter{Path: filepath.Join("..", "..", "..", "testdata", "openapi", "v3", "api", "v1.json")}
fakeOpenAPIV3AppsV1 = sptest.OpenAPIV3Getter{Path: filepath.Join("..", "..", "..", "testdata", "openapi", "v3", "apis", "apps", "v1.json")}
testingOpenAPISchemas = []testOpenAPISchema{AlwaysErrorsOpenAPISchema, FakeOpenAPISchema}
AlwaysErrorsOpenAPISchema = testOpenAPISchema{
OpenAPISchemaFn: func() (openapi.Resources, error) {
return nil, errors.New("cannot get openapi spec")
},
OpenAPIV3ClientFunc: func() (openapiclient.Client, error) {
return nil, errors.New("cannot get openapiv3 client")
},
}
FakeOpenAPISchema = testOpenAPISchema{
OpenAPISchemaFn: func() (openapi.Resources, error) {
s, err := fakeSchema.OpenAPISchema()
if err != nil {
return nil, err
}
return openapi.NewOpenAPIData(s)
},
OpenAPIV3ClientFunc: func() (openapiclient.Client, error) {
c := openapitest.NewFakeClient()
c.PathsMap["api/v1"] = openapitest.FakeGroupVersion{GVSpec: fakeOpenAPIV3Legacy.SchemaBytesOrDie()}
c.PathsMap["apis/apps/v1"] = openapitest.FakeGroupVersion{GVSpec: fakeOpenAPIV3AppsV1.SchemaBytesOrDie()}
return c, nil
},
}
AlwaysPanicSchema = testOpenAPISchema{
OpenAPISchemaFn: func() (openapi.Resources, error) {
panic("error, openAPIV2 should not be called")
},
OpenAPIV3ClientFunc: func() (openapiclient.Client, error) {
return &OpenAPIV3ClientAlwaysPanic{}, nil
},
}
codec = scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
)
type OpenAPIV3ClientAlwaysPanic struct{}
func (o *OpenAPIV3ClientAlwaysPanic) Paths() (map[string]openapiclient.GroupVersion, error) {
panic("Cannot get paths")
}
func noopOpenAPIV3Patch(t *testing.T, f func(t *testing.T)) {
f(t)
}
func disableOpenAPIV3Patch(t *testing.T, f func(t *testing.T)) {
cmdtesting.WithAlphaEnvsDisabled([]cmdutil.FeatureGate{cmdutil.OpenAPIV3Patch}, t, f)
}
var applyFeatureToggles = []func(*testing.T, func(t *testing.T)){noopOpenAPIV3Patch, disableOpenAPIV3Patch}
type testOpenAPISchema struct {
OpenAPISchemaFn func() (openapi.Resources, error)
OpenAPIV3ClientFunc func() (openapiclient.Client, error)
}
func TestApplyExtraArgsFail(t *testing.T) {
f := cmdtesting.NewTestFactory()
defer f.Cleanup()
cmd := &cobra.Command{}
flags := NewApplyFlags(genericiooptions.NewTestIOStreamsDiscard())
flags.AddFlags(cmd)
_, err := flags.ToOptions(f, cmd, "kubectl", []string{"rc"})
require.EqualError(t, err, "Unexpected args: [rc]\nSee ' -h' for help and examples")
}
func TestAlphaEnablement(t *testing.T) {
alphas := map[cmdutil.FeatureGate]string{
cmdutil.ApplySet: "applyset",
}
for feature, flag := range alphas {
f := cmdtesting.NewTestFactory()
defer f.Cleanup()
cmd := &cobra.Command{}
flags := NewApplyFlags(genericiooptions.NewTestIOStreamsDiscard())
flags.AddFlags(cmd)
require.Nil(t, cmd.Flags().Lookup(flag), "flag %q should not be registered without the %q feature enabled", flag, feature)
cmdtesting.WithAlphaEnvs([]cmdutil.FeatureGate{feature}, t, func(t *testing.T) {
cmd := &cobra.Command{}
flags := NewApplyFlags(genericiooptions.NewTestIOStreamsDiscard())
flags.AddFlags(cmd)
require.NotNil(t, cmd.Flags().Lookup(flag), "flag %q should be registered with the %q feature enabled", flag, feature)
})
}
}
func TestApplyFlagValidation(t *testing.T) {
tests := []struct {
args [][]string
enableAlphas []cmdutil.FeatureGate
expectedErr string
}{
{
args: [][]string{
{"force-conflicts", "true"},
},
expectedErr: "--force-conflicts only works with --server-side",
},
{
args: [][]string{
{"server-side", "true"},
{"dry-run", "client"},
},
expectedErr: "--dry-run=client doesn't work with --server-side (did you mean --dry-run=server instead?)",
},
{
args: [][]string{
{"force", "true"},
{"server-side", "true"},
},
expectedErr: "--force cannot be used with --server-side",
},
{
args: [][]string{
{"force", "true"},
{"dry-run", "server"},
},
expectedErr: "--dry-run=server cannot be used with --force",
},
{
args: [][]string{
{"all", "true"},
{"selector", "unused"},
},
expectedErr: "cannot set --all and --selector at the same time",
},
{
args: [][]string{
{"force", "true"},
{"prune", "true"},
{"all", "true"},
},
expectedErr: "--force cannot be used with --prune",
},
{
args: [][]string{
{"prune", "true"},
{"force", "true"},
{"applyset", "mySecret"},
{"namespace", "myNs"},
},
enableAlphas: []cmdutil.FeatureGate{cmdutil.ApplySet},
expectedErr: "--force cannot be used with --prune",
},
{
args: [][]string{
{"server-side", "true"},
{"prune", "true"},
{"all", "true"},
},
expectedErr: "--prune is in alpha and doesn't currently work on objects created by server-side apply",
},
{
args: [][]string{
{"prune", "true"},
},
expectedErr: "all resources selected for prune without explicitly passing --all. To prune all resources, pass the --all flag. If you did not mean to prune all resources, specify a label selector",
},
{
args: [][]string{
{"prune", "false"},
{"applyset", "mySecret"},
{"namespace", "myNs"},
},
enableAlphas: []cmdutil.FeatureGate{cmdutil.ApplySet},
expectedErr: "--applyset requires --prune",
},
{
args: [][]string{
{"prune", "true"},
{"applyset", "mySecret"},
{"selector", "foo=bar"},
{"namespace", "myNs"},
},
enableAlphas: []cmdutil.FeatureGate{cmdutil.ApplySet},
expectedErr: "--selector is incompatible with --applyset",
},
{
args: [][]string{
{"prune", "true"},
{"applyset", "mySecret"},
{"namespace", "myNs"},
{"all", "true"},
},
enableAlphas: []cmdutil.FeatureGate{cmdutil.ApplySet},
expectedErr: "--all is incompatible with --applyset",
},
{
args: [][]string{
{"prune", "true"},
{"applyset", "mySecret"},
{"namespace", "myNs"},
{"prune-allowlist", "core/v1/ConfigMap"},
},
enableAlphas: []cmdutil.FeatureGate{cmdutil.ApplySet},
expectedErr: "--prune-allowlist is incompatible with --applyset",
},
}
for i, test := range tests {
t.Run(fmt.Sprintf("case %d", i), func(t *testing.T) {
f := cmdtesting.NewTestFactory()
defer f.Cleanup()
f.Client = &fake.RESTClient{}
f.UnstructuredClient = f.Client
cmdtesting.WithAlphaEnvs(test.enableAlphas, t, func(t *testing.T) {
cmd := &cobra.Command{}
flags := NewApplyFlags(genericiooptions.NewTestIOStreamsDiscard())
flags.AddFlags(cmd)
cmd.Flags().Set("filename", "unused")
for _, arg := range test.args {
if arg[0] == "namespace" {
f.WithNamespace(arg[1])
} else {
cmd.Flags().Set(arg[0], arg[1])
}
}
o, err := flags.ToOptions(f, cmd, "kubectl", []string{})
if err != nil {
t.Fatalf("unexpected error creating apply options: %s", err)
}
err = o.Validate()
if err == nil {
t.Fatalf("missing expected error for case %d with args %+v", i, test.args)
}
if test.expectedErr != err.Error() {
t.Errorf("expected error %s, got %s", test.expectedErr, err)
}
})
})
}
}
const (
filenameCM = "../../../testdata/apply/cm.yaml"
filenameRC = "../../../testdata/apply/rc.yaml"
filenameRCArgs = "../../../testdata/apply/rc-args.yaml"
filenameRCLastAppliedArgs = "../../../testdata/apply/rc-lastapplied-args.yaml"
filenameRCNoAnnotation = "../../../testdata/apply/rc-no-annotation.yaml"
filenameRCLASTAPPLIED = "../../../testdata/apply/rc-lastapplied.yaml"
filenameRCManagedFieldsLA = "../../../testdata/apply/rc-managedfields-lastapplied.yaml"
filenameSVC = "../../../testdata/apply/service.yaml"
filenameRCSVC = "../../../testdata/apply/rc-service.yaml"
filenameNoExistRC = "../../../testdata/apply/rc-noexist.yaml"
filenameRCPatchTest = "../../../testdata/apply/patch.json"
dirName = "../../../testdata/apply/testdir"
filenameRCJSON = "../../../testdata/apply/rc.json"
filenamePodGeneratedName = "../../../testdata/apply/pod-generated-name.yaml"
filenameWidgetClientside = "../../../testdata/apply/widget-clientside.yaml"
filenameWidgetServerside = "../../../testdata/apply/widget-serverside.yaml"
filenameDeployObjServerside = "../../../testdata/apply/deploy-serverside.yaml"
filenameDeployObjClientside = "../../../testdata/apply/deploy-clientside.yaml"
filenameApplySetCR = "../../../testdata/apply/applyset-cr.yaml"
filenameApplySetCRD = "../../../testdata/apply/applysets-crd.yaml"
)
func readConfigMapList(t *testing.T, filename string) [][]byte {
data := readBytesFromFile(t, filename)
cmList := corev1.ConfigMapList{}
if err := runtime.DecodeInto(codec, data, &cmList); err != nil {
t.Fatal(err)
}
var listCmBytes [][]byte
for _, cm := range cmList.Items {
cmBytes, err := runtime.Encode(codec, &cm)
if err != nil {
t.Fatal(err)
}
listCmBytes = append(listCmBytes, cmBytes)
}
return listCmBytes
}
func readBytesFromFile(t *testing.T, filename string) []byte {
file, err := os.Open(filename)
if err != nil {
t.Fatal(err)
}
defer file.Close()
data, err := io.ReadAll(file)
if err != nil {
t.Fatal(err)
}
return data
}
func readReplicationController(t *testing.T, filenameRC string) (string, []byte) {
rcObj := readReplicationControllerFromFile(t, filenameRC)
metaAccessor, err := meta.Accessor(rcObj)
if err != nil {
t.Fatal(err)
}
rcBytes, err := runtime.Encode(codec, rcObj)
if err != nil {
t.Fatal(err)
}
return metaAccessor.GetName(), rcBytes
}
func readReplicationControllerFromFile(t *testing.T, filename string) *corev1.ReplicationController {
data := readBytesFromFile(t, filename)
rc := corev1.ReplicationController{}
if err := runtime.DecodeInto(codec, data, &rc); err != nil {
t.Fatal(err)
}
return &rc
}
func readUnstructuredFromFile(t *testing.T, filename string) *unstructured.Unstructured {
data := readBytesFromFile(t, filename)
unst := unstructured.Unstructured{}
if err := runtime.DecodeInto(codec, data, &unst); err != nil {
t.Fatal(err)
}
return &unst
}
func readServiceFromFile(t *testing.T, filename string) *corev1.Service {
data := readBytesFromFile(t, filename)
svc := corev1.Service{}
if err := runtime.DecodeInto(codec, data, &svc); err != nil {
t.Fatal(err)
}
return &svc
}
func annotateRuntimeObject(t *testing.T, originalObj, currentObj runtime.Object, kind string) (string, []byte) {
originalAccessor, err := meta.Accessor(originalObj)
if err != nil {
t.Fatal(err)
}
// The return value of this function is used in the body of the GET
// request in the unit tests. Here we are adding a misc label to the object.
// In tests, the validatePatchApplication() gets called in PATCH request
// handler in fake round tripper. validatePatchApplication call
// checks that this DELETE_ME label was deleted by the apply implementation in
// kubectl.
originalLabels := originalAccessor.GetLabels()
originalLabels["DELETE_ME"] = "DELETE_ME"
originalAccessor.SetLabels(originalLabels)
original, err := runtime.Encode(unstructured.NewJSONFallbackEncoder(codec), originalObj)
if err != nil {
t.Fatal(err)
}
currentAccessor, err := meta.Accessor(currentObj)
if err != nil {
t.Fatal(err)
}
currentAnnotations := currentAccessor.GetAnnotations()
if currentAnnotations == nil {
currentAnnotations = make(map[string]string)
}
currentAnnotations[corev1.LastAppliedConfigAnnotation] = string(original)
currentAccessor.SetAnnotations(currentAnnotations)
current, err := runtime.Encode(unstructured.NewJSONFallbackEncoder(codec), currentObj)
if err != nil {
t.Fatal(err)
}
return currentAccessor.GetName(), current
}
func readAndAnnotateReplicationController(t *testing.T, filename string) (string, []byte) {
rc1 := readReplicationControllerFromFile(t, filename)
rc2 := readReplicationControllerFromFile(t, filename)
return annotateRuntimeObject(t, rc1, rc2, "ReplicationController")
}
func readAndAnnotateService(t *testing.T, filename string) (string, []byte) {
svc1 := readServiceFromFile(t, filename)
svc2 := readServiceFromFile(t, filename)
return annotateRuntimeObject(t, svc1, svc2, "Service")
}
func readAndAnnotateUnstructured(t *testing.T, filename string) (string, []byte) {
obj1 := readUnstructuredFromFile(t, filename)
obj2 := readUnstructuredFromFile(t, filename)
return annotateRuntimeObject(t, obj1, obj2, "Widget")
}
func validatePatchApplication(t *testing.T, req *http.Request, patchType types.PatchType) {
if got, wanted := req.Header.Get("Content-Type"), string(patchType); got != wanted {
t.Fatalf("unexpected content-type expected: %s but actual %s\n", wanted, got)
}
patch, err := io.ReadAll(req.Body)
if err != nil {
t.Fatal(err)
}
patchMap := map[string]interface{}{}
if err := json.Unmarshal(patch, &patchMap); err != nil {
t.Fatal(err)
}
annotationsMap := walkMapPath(t, patchMap, []string{"metadata", "annotations"})
if _, ok := annotationsMap[corev1.LastAppliedConfigAnnotation]; !ok {
t.Fatalf("patch does not contain annotation:\n%s\n", patch)
}
labelMap := walkMapPath(t, patchMap, []string{"metadata", "labels"})
if deleteMe, ok := labelMap["DELETE_ME"]; !ok || deleteMe != nil {
t.Fatalf("patch does not remove deleted key: DELETE_ME:\n%s\n", patch)
}
}
func walkMapPath(t *testing.T, start map[string]interface{}, path []string) map[string]interface{} {
finish := start
for i := 0; i < len(path); i++ {
var ok bool
finish, ok = finish[path[i]].(map[string]interface{})
if !ok {
t.Fatalf("key:%s of path:%v not found in map:%v", path[i], path, start)
}
}
return finish
}
func TestRunApplyPrintsValidObjectList(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
configMapList := readConfigMapList(t, filenameCM)
pathCM := "/namespaces/test/configmaps"
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case strings.HasPrefix(p, pathCM) && m == "GET":
fallthrough
case strings.HasPrefix(p, pathCM) && m == "PATCH":
var body io.ReadCloser
switch p {
case pathCM + "/test0":
body = io.NopCloser(bytes.NewReader(configMapList[0]))
case pathCM + "/test1":
body = io.NopCloser(bytes.NewReader(configMapList[1]))
default:
t.Errorf("unexpected request to %s", p)
}
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: body}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, buf, _ := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameCM)
cmd.Flags().Set("output", "json")
cmd.Flags().Set("dry-run", "client")
cmd.Run(cmd, []string{})
// ensure that returned list can be unmarshaled back into a configmap list
cmList := corev1.List{}
if err := runtime.DecodeInto(codec, buf.Bytes(), &cmList); err != nil {
t.Fatal(err)
}
if len(cmList.Items) != 2 {
t.Fatalf("Expected 2 items in the result; got %d", len(cmList.Items))
}
if !strings.Contains(string(cmList.Items[0].Raw), "key1") {
t.Fatalf("Did not get first ConfigMap at the first position")
}
if !strings.Contains(string(cmList.Items[1].Raw), "key2") {
t.Fatalf("Did not get second ConfigMap at the second position")
}
}
func TestRunApplyViewLastApplied(t *testing.T) {
_, rcBytesWithConfig := readReplicationController(t, filenameRCLASTAPPLIED)
_, rcBytesWithArgs := readReplicationController(t, filenameRCLastAppliedArgs)
nameRC, rcBytes := readReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
tests := []struct {
name, nameRC, pathRC, filePath, outputFormat, expectedErr, expectedOut, selector string
args []string
respBytes []byte
}{
{
name: "view with file",
filePath: filenameRC,
outputFormat: "",
expectedErr: "",
expectedOut: "test: 1234\n",
selector: "",
args: []string{},
respBytes: rcBytesWithConfig,
},
{
name: "test with file include `%s` in arguments",
filePath: filenameRCArgs,
outputFormat: "",
expectedErr: "",
expectedOut: "args: -random_flag=%s@domain.com\n",
selector: "",
args: []string{},
respBytes: rcBytesWithArgs,
},
{
name: "view with file json format",
filePath: filenameRC,
outputFormat: "json",
expectedErr: "",
expectedOut: "{\n \"test\": 1234\n}\n",
selector: "",
args: []string{},
respBytes: rcBytesWithConfig,
},
{
name: "view resource/name invalid format",
filePath: "",
outputFormat: "wide",
expectedErr: "error: Unexpected -o output mode: wide, the flag 'output' must be one of yaml|json\nSee 'view-last-applied -h' for help and examples",
expectedOut: "",
selector: "",
args: []string{"replicationcontroller", "test-rc"},
respBytes: rcBytesWithConfig,
},
{
name: "view resource with label",
filePath: "",
outputFormat: "",
expectedErr: "",
expectedOut: "test: 1234\n",
selector: "name=test-rc",
args: []string{"replicationcontroller"},
respBytes: rcBytesWithConfig,
},
{
name: "view resource without annotations",
filePath: "",
outputFormat: "",
expectedErr: "error: no last-applied-configuration annotation found on resource: test-rc",
expectedOut: "",
selector: "",
args: []string{"replicationcontroller", "test-rc"},
respBytes: rcBytes,
},
{
name: "view resource no match",
filePath: "",
outputFormat: "",
expectedErr: "Error from server (NotFound): the server could not find the requested resource (get replicationcontrollers no-match)",
expectedOut: "",
selector: "",
args: []string{"replicationcontroller", "no-match"},
respBytes: nil,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
GroupVersion: schema.GroupVersion{Version: "v1"},
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(test.respBytes))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == "/namespaces/test/replicationcontrollers" && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(test.respBytes))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == "/namespaces/test/replicationcontrollers/no-match" && m == "GET":
return &http.Response{StatusCode: http.StatusNotFound, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, &corev1.Pod{})}, nil
case p == "/api/v1/namespaces/test" && m == "GET":
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, &corev1.Namespace{})}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
cmdutil.BehaviorOnFatal(func(str string, code int) {
if str != test.expectedErr {
t.Errorf("%s: unexpected error: %s\nexpected: %s", test.name, str, test.expectedErr)
}
})
ioStreams, _, buf, _ := genericiooptions.NewTestIOStreams()
cmd := NewCmdApplyViewLastApplied(tf, ioStreams)
if test.filePath != "" {
cmd.Flags().Set("filename", test.filePath)
}
if test.outputFormat != "" {
cmd.Flags().Set("output", test.outputFormat)
}
if test.selector != "" {
cmd.Flags().Set("selector", test.selector)
}
cmd.Run(cmd, test.args)
if buf.String() != test.expectedOut {
t.Fatalf("%s: unexpected output: %s\nexpected: %s", test.name, buf.String(), test.expectedOut)
}
})
}
}
func TestApplyObjectWithoutAnnotation(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
nameRC, rcBytes := readReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(rcBytes))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == pathRC && m == "PATCH":
bodyRC := io.NopCloser(bytes.NewReader(rcBytes))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
tf.OpenAPIV3ClientFunc = FakeOpenAPISchema.OpenAPIV3ClientFunc
ioStreams, _, buf, errBuf := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameRC)
cmd.Flags().Set("output", "name")
cmd.Run(cmd, []string{})
// uses the name from the file, not the response
expectRC := "replicationcontroller/" + nameRC + "\n"
expectWarning := fmt.Sprintf(warningNoLastAppliedConfigAnnotation, "replicationcontrollers/test-rc", corev1.LastAppliedConfigAnnotation, "kubectl")
if errBuf.String() != expectWarning {
t.Fatalf("unexpected non-warning: %s\nexpected: %s", errBuf.String(), expectWarning)
}
if buf.String() != expectRC {
t.Fatalf("unexpected output: %s\nexpected: %s", buf.String(), expectRC)
}
}
func TestOpenAPIV3PatchFeatureFlag(t *testing.T) {
// OpenAPIV3 smp apply is on by default.
// Test that users can disable it to use OpenAPI V2 smp
// An OpenAPI V3 root that always panics is used to ensure
// the v3 code path is never exercised when the feature is disabled
cmdtesting.InitTestErrorHandler(t)
nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
t.Run("test apply when a local object is specified - openapi v2 smp", func(t *testing.T) {
disableOpenAPIV3Patch(t, func(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == pathRC && m == "PATCH":
validatePatchApplication(t, req, types.StrategicMergePatchType)
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.OpenAPISchemaFunc = FakeOpenAPISchema.OpenAPISchemaFn
tf.OpenAPIV3ClientFunc = AlwaysPanicSchema.OpenAPIV3ClientFunc
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, buf, errBuf := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameRC)
cmd.Flags().Set("output", "name")
cmd.Run(cmd, []string{})
// uses the name from the file, not the response
expectRC := "replicationcontroller/" + nameRC + "\n"
if buf.String() != expectRC {
t.Fatalf("unexpected output: %s\nexpected: %s", buf.String(), expectRC)
}
if errBuf.String() != "" {
t.Fatalf("unexpected error output: %s", errBuf.String())
}
})
})
}
func TestOpenAPIV3DoesNotLoadV2(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
t.Run("test apply when a local object is specified - openapi v3 smp", func(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == pathRC && m == "PATCH":
validatePatchApplication(t, req, types.StrategicMergePatchType)
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.OpenAPISchemaFunc = AlwaysPanicSchema.OpenAPISchemaFn
tf.OpenAPIV3ClientFunc = FakeOpenAPISchema.OpenAPIV3ClientFunc
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, buf, errBuf := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameRC)
cmd.Flags().Set("output", "name")
cmd.Run(cmd, []string{})
// uses the name from the file, not the response
expectRC := "replicationcontroller/" + nameRC + "\n"
if buf.String() != expectRC {
t.Fatalf("unexpected output: %s\nexpected: %s", buf.String(), expectRC)
}
if errBuf.String() != "" {
t.Fatalf("unexpected error output: %s", errBuf.String())
}
})
}
func TestApplyObject(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
for _, testingOpenAPISchema := range testingOpenAPISchemas {
for _, openAPIFeatureToggle := range applyFeatureToggles {
t.Run("test apply when a local object is specified - openapi v3 smp", func(t *testing.T) {
openAPIFeatureToggle(t, func(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == pathRC && m == "PATCH":
validatePatchApplication(t, req, types.StrategicMergePatchType)
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.OpenAPISchemaFunc = testingOpenAPISchema.OpenAPISchemaFn
tf.OpenAPIV3ClientFunc = testingOpenAPISchema.OpenAPIV3ClientFunc
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, buf, errBuf := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameRC)
cmd.Flags().Set("output", "name")
cmd.Run(cmd, []string{})
// uses the name from the file, not the response
expectRC := "replicationcontroller/" + nameRC + "\n"
if buf.String() != expectRC {
t.Fatalf("unexpected output: %s\nexpected: %s", buf.String(), expectRC)
}
if errBuf.String() != "" {
t.Fatalf("unexpected error output: %s", errBuf.String())
}
})
})
}
}
}
func TestApplyPruneObjects(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
pathRC := "/namespaces/test/replicationcontrollers/" + nameRC
for _, testingOpenAPISchema := range testingOpenAPISchemas {
for _, openAPIFeatureToggle := range applyFeatureToggles {
t.Run("test apply returns correct output", func(t *testing.T) {
openAPIFeatureToggle(t, func(t *testing.T) {
tf := cmdtesting.NewTestFactory().WithNamespace("test")
defer tf.Cleanup()
tf.UnstructuredClient = &fake.RESTClient{
NegotiatedSerializer: resource.UnstructuredPlusDefaultContentConfig().NegotiatedSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch p, m := req.URL.Path, req.Method; {
case p == pathRC && m == "GET":
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
case p == pathRC && m == "PATCH":
validatePatchApplication(t, req, types.StrategicMergePatchType)
bodyRC := io.NopCloser(bytes.NewReader(currentRC))
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: bodyRC}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.OpenAPISchemaFunc = testingOpenAPISchema.OpenAPISchemaFn
tf.OpenAPIV3ClientFunc = testingOpenAPISchema.OpenAPIV3ClientFunc
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, buf, errBuf := genericiooptions.NewTestIOStreams()
cmd := NewCmdApply("kubectl", tf, ioStreams)
cmd.Flags().Set("filename", filenameRC)
cmd.Flags().Set("prune", "true")
cmd.Flags().Set("namespace", "test")
cmd.Flags().Set("output", "yaml")
cmd.Flags().Set("all", "true")
cmd.Run(cmd, []string{})
if !strings.Contains(buf.String(), "test-rc") {
t.Fatalf("unexpected output: %s\nexpected to contain: %s", buf.String(), "test-rc")
}
if errBuf.String() != "" {
t.Fatalf("unexpected error output: %s", errBuf.String())
}
})
})
}
}
}
func TestApplyPruneObjectsWithAllowlist(t *testing.T) {
cmdtesting.InitTestErrorHandler(t)
// Read ReplicationController from the file we will use to apply. This one will not be pruned because it exists in the file.
rc := readUnstructuredFromFile(t, filenameRC)
err := setLastAppliedConfigAnnotation(rc)
if err != nil {
t.Fatal(err)
}
// Create another ReplicationController that can be pruned
rc2 := &unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "ReplicationController",
"apiVersion": "v1",
"metadata": map[string]interface{}{
"name": "test-rc2",
"namespace": "test",
"uid": "uid-rc2",
},
},
}
err = setLastAppliedConfigAnnotation(rc2)
if err != nil {
t.Fatal(err)
}
// Create a ConfigMap that can be pruned
cm := &unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": map[string]interface{}{
"name": "test-cm",
"namespace": "test",
"uid": "uid-cm",
},
},
}
err = setLastAppliedConfigAnnotation(cm)
if err != nil {
t.Fatal(err)
}
// Create Namespace that can be pruned