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ff33efc164e78d12c2a250f901b6ec725184fd06
kubernetes/test/integration/apiserver/apply/apply_test.go
Kubernetes Prow Robot 6079cebfae Merge pull request #90187 from julianvmodesto/last-applied-updater 
Implement server-side apply upgrade and downgrade
2020-07-13 16:45:20 -07:00

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/*
Copyright 2018 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 apiserver
import (
"context"
"encoding/json"
"flag"
"fmt"
"net/http"
"net/http/httptest"
"reflect"
"strings"
"testing"
"time"
"sigs.k8s.io/yaml"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
yamlutil "k8s.io/apimachinery/pkg/util/yaml"
genericfeatures "k8s.io/apiserver/pkg/features"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/kubernetes"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/pkg/master"
"k8s.io/kubernetes/test/integration/framework"
)
func setup(t testing.TB, groupVersions ...schema.GroupVersion) (*httptest.Server, clientset.Interface, framework.CloseFunc) {
opts := framework.MasterConfigOptions{EtcdOptions: framework.DefaultEtcdOptions()}
opts.EtcdOptions.DefaultStorageMediaType = "application/vnd.kubernetes.protobuf"
masterConfig := framework.NewIntegrationTestMasterConfigWithOptions(&opts)
if len(groupVersions) > 0 {
resourceConfig := master.DefaultAPIResourceConfigSource()
resourceConfig.EnableVersions(groupVersions...)
masterConfig.ExtraConfig.APIResourceConfigSource = resourceConfig
}
masterConfig.GenericConfig.OpenAPIConfig = framework.DefaultOpenAPIConfig()
_, s, closeFn := framework.RunAMaster(masterConfig)
clientSet, err := clientset.NewForConfig(&restclient.Config{Host: s.URL, QPS: -1})
if err != nil {
t.Fatalf("Error in create clientset: %v", err)
}
return s, clientSet, closeFn
}
// TestApplyAlsoCreates makes sure that PATCH requests with the apply content type
// will create the object if it doesn't already exist
// TODO: make a set of test cases in an easy-to-consume place (separate package?) so it's easy to test in both integration and e2e.
func TestApplyAlsoCreates(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
testCases := []struct {
resource string
name string
body string
}{
{
resource: "pods",
name: "test-pod",
body: `{
"apiVersion": "v1",
"kind": "Pod",
"metadata": {
"name": "test-pod"
},
"spec": {
"containers": [{
"name": "test-container",
"image": "test-image"
}]
}
}`,
}, {
resource: "services",
name: "test-svc",
body: `{
"apiVersion": "v1",
"kind": "Service",
"metadata": {
"name": "test-svc"
},
"spec": {
"ports": [{
"port": 8080,
"protocol": "UDP"
}]
}
}`,
},
}
for _, tc := range testCases {
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource(tc.resource).
Name(tc.name).
Param("fieldManager", "apply_test").
Body([]byte(tc.body)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Get().Namespace("default").Resource(tc.resource).Name(tc.name).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
// Test that we can re apply with a different field manager and don't get conflicts
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource(tc.resource).
Name(tc.name).
Param("fieldManager", "apply_test_2").
Body([]byte(tc.body)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to re-apply object using Apply patch: %v", err)
}
}
}
// TestNoOpUpdateSameResourceVersion makes sure that PUT requests which change nothing
// will not change the resource version (no write to etcd is done)
func TestNoOpUpdateSameResourceVersion(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
podName := "no-op"
podResource := "pods"
podBytes := []byte(`{
"apiVersion": "v1",
"kind": "Pod",
"metadata": {
"name": "` + podName + `",
"labels": {
"a": "one",
"c": "two",
"b": "three"
}
},
"spec": {
"containers": [{
"name": "test-container-a",
"image": "test-image-one"
},{
"name": "test-container-c",
"image": "test-image-two"
},{
"name": "test-container-b",
"image": "test-image-three"
}]
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Param("fieldManager", "apply_test").
Resource(podResource).
Name(podName).
Body(podBytes).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object: %v", err)
}
// Sleep for one second to make sure that the times of each update operation is different.
time.Sleep(1 * time.Second)
createdObject, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource(podResource).Name(podName).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve created object: %v", err)
}
createdAccessor, err := meta.Accessor(createdObject)
if err != nil {
t.Fatalf("Failed to get meta accessor for created object: %v", err)
}
createdBytes, err := json.MarshalIndent(createdObject, "\t", "\t")
if err != nil {
t.Fatalf("Failed to marshal created object: %v", err)
}
// Test that we can put the same object and don't change the RV
_, err = client.CoreV1().RESTClient().Put().
Namespace("default").
Resource(podResource).
Name(podName).
Body(createdBytes).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to apply no-op update: %v", err)
}
updatedObject, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource(podResource).Name(podName).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve updated object: %v", err)
}
updatedAccessor, err := meta.Accessor(updatedObject)
if err != nil {
t.Fatalf("Failed to get meta accessor for updated object: %v", err)
}
updatedBytes, err := json.MarshalIndent(updatedObject, "\t", "\t")
if err != nil {
t.Fatalf("Failed to marshal updated object: %v", err)
}
if createdAccessor.GetResourceVersion() != updatedAccessor.GetResourceVersion() {
t.Fatalf("Expected same resource version to be %v but got: %v\nold object:\n%v\nnew object:\n%v",
createdAccessor.GetResourceVersion(),
updatedAccessor.GetResourceVersion(),
string(createdBytes),
string(updatedBytes),
)
}
}
// TestCreateOnApplyFailsWithUID makes sure that PATCH requests with the apply content type
// will not create the object if it doesn't already exist and it specifies a UID
func TestCreateOnApplyFailsWithUID(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("pods").
Name("test-pod-uid").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "Pod",
"metadata": {
"name": "test-pod-uid",
"uid": "88e00824-7f0e-11e8-94a1-c8d3ffb15800"
},
"spec": {
"containers": [{
"name": "test-container",
"image": "test-image"
}]
}
}`)).
Do(context.TODO()).
Get()
if !apierrors.IsConflict(err) {
t.Fatalf("Expected conflict error but got: %v", err)
}
}
func TestApplyUpdateApplyConflictForced(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.MergePatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Body([]byte(`{"spec":{"replicas": 5}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body([]byte(obj)).Do(context.TODO()).Get()
if err == nil {
t.Fatalf("Expecting to get conflicts when applying object")
}
status, ok := err.(*apierrors.StatusError)
if !ok {
t.Fatalf("Expecting to get conflicts as API error")
}
if len(status.Status().Details.Causes) < 1 {
t.Fatalf("Expecting to get at least one conflict when applying object, got: %v", status.Status().Details.Causes)
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("force", "true").
Param("fieldManager", "apply_test").
Body([]byte(obj)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to apply object with force: %v", err)
}
}
// TestApplyGroupsManySeparateUpdates tests that when many different managers update the same object,
// the number of managedFields entries will only grow to a certain size.
func TestApplyGroupsManySeparateUpdates(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "admissionregistration.k8s.io/v1",
"kind": "ValidatingWebhookConfiguration",
"metadata": {
"name": "webhook",
"labels": {"applier":"true"},
},
}`)
object, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/admissionregistration.k8s.io/v1").
Resource("validatingwebhookconfigurations").
Name("webhook").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
for i := 0; i < 20; i++ {
unique := fmt.Sprintf("updater%v", i)
version := "v1"
if i%2 == 0 {
version = "v1beta1"
}
object, err = client.CoreV1().RESTClient().Patch(types.MergePatchType).
AbsPath("/apis/admissionregistration.k8s.io/"+version).
Resource("validatingwebhookconfigurations").
Name("webhook").
Param("fieldManager", unique).
Body([]byte(`{"metadata":{"labels":{"` + unique + `":"new"}}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
// Expect 11 entries, because the cap for update entries is 10, and 1 apply entry
if actual, expected := len(accessor.GetManagedFields()), 11; actual != expected {
if b, err := json.MarshalIndent(object, "\t", "\t"); err == nil {
t.Fatalf("Object expected to contain %v entries in managedFields, but got %v:\n%v", expected, actual, string(b))
} else {
t.Fatalf("Object expected to contain %v entries in managedFields, but got %v: error marshalling object: %v", expected, actual, err)
}
}
// Expect the first entry to have the manager name "apply_test"
if actual, expected := accessor.GetManagedFields()[0].Manager, "apply_test"; actual != expected {
t.Fatalf("Expected first manager to be named %v but got %v", expected, actual)
}
// Expect the second entry to have the manager name "ancient-changes"
if actual, expected := accessor.GetManagedFields()[1].Manager, "ancient-changes"; actual != expected {
t.Fatalf("Expected first manager to be named %v but got %v", expected, actual)
}
}
// TestCreateVeryLargeObject tests that a very large object can be created without exceeding the size limit due to managedFields
func TestCreateVeryLargeObject(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
cfg := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "large-create-test-cm",
Namespace: "default",
},
Data: map[string]string{},
}
for i := 0; i < 9999; i++ {
unique := fmt.Sprintf("this-key-is-very-long-so-as-to-create-a-very-large-serialized-fieldset-%v", i)
cfg.Data[unique] = "A"
}
// Should be able to create an object near the object size limit.
if _, err := client.CoreV1().ConfigMaps(cfg.Namespace).Create(context.TODO(), cfg, metav1.CreateOptions{}); err != nil {
t.Errorf("unable to create large test configMap: %v", err)
}
// Applying to the same object should cause managedFields to go over the object size limit, and fail.
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace(cfg.Namespace).
Resource("configmaps").
Name(cfg.Name).
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "large-create-test-cm",
"namespace": "default",
}
}`)).
Do(context.TODO()).
Get()
if err == nil {
t.Fatalf("expected to fail to update object using Apply patch, but succeeded")
}
}
// TestUpdateVeryLargeObject tests that a small object can be updated to be very large without exceeding the size limit due to managedFields
func TestUpdateVeryLargeObject(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
cfg := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "large-update-test-cm",
Namespace: "default",
},
Data: map[string]string{"k": "v"},
}
// Create a small config map.
cfg, err := client.CoreV1().ConfigMaps(cfg.Namespace).Create(context.TODO(), cfg, metav1.CreateOptions{})
if err != nil {
t.Errorf("unable to create configMap: %v", err)
}
// Should be able to update a small object to be near the object size limit.
var updateErr error
pollErr := wait.PollImmediate(100*time.Millisecond, 30*time.Second, func() (bool, error) {
updateCfg, err := client.CoreV1().ConfigMaps(cfg.Namespace).Get(context.TODO(), cfg.Name, metav1.GetOptions{})
if err != nil {
return false, err
}
// Apply the large update, then attempt to push it to the apiserver.
for i := 0; i < 9999; i++ {
unique := fmt.Sprintf("this-key-is-very-long-so-as-to-create-a-very-large-serialized-fieldset-%v", i)
updateCfg.Data[unique] = "A"
}
if _, err = client.CoreV1().ConfigMaps(cfg.Namespace).Update(context.TODO(), updateCfg, metav1.UpdateOptions{}); err == nil {
return true, nil
}
updateErr = err
return false, nil
})
if pollErr == wait.ErrWaitTimeout {
t.Errorf("unable to update configMap: %v", updateErr)
}
// Applying to the same object should cause managedFields to go over the object size limit, and fail.
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace(cfg.Namespace).
Resource("configmaps").
Name(cfg.Name).
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "large-update-test-cm",
"namespace": "default",
}
}`)).
Do(context.TODO()).
Get()
if err == nil {
t.Fatalf("expected to fail to update object using Apply patch, but succeeded")
}
}
// TestPatchVeryLargeObject tests that a small object can be patched to be very large without exceeding the size limit due to managedFields
func TestPatchVeryLargeObject(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
cfg := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "large-patch-test-cm",
Namespace: "default",
},
Data: map[string]string{"k": "v"},
}
// Create a small config map.
if _, err := client.CoreV1().ConfigMaps(cfg.Namespace).Create(context.TODO(), cfg, metav1.CreateOptions{}); err != nil {
t.Errorf("unable to create configMap: %v", err)
}
patchString := `{"data":{"k":"v"`
for i := 0; i < 9999; i++ {
unique := fmt.Sprintf("this-key-is-very-long-so-as-to-create-a-very-large-serialized-fieldset-%v", i)
patchString = fmt.Sprintf("%s,%q:%q", patchString, unique, "A")
}
patchString = fmt.Sprintf("%s}}", patchString)
// Should be able to update a small object to be near the object size limit.
_, err := client.CoreV1().RESTClient().Patch(types.MergePatchType).
AbsPath("/api/v1").
Namespace(cfg.Namespace).
Resource("configmaps").
Name(cfg.Name).
Body([]byte(patchString)).Do(context.TODO()).Get()
if err != nil {
t.Errorf("unable to patch configMap: %v", err)
}
// Applying to the same object should cause managedFields to go over the object size limit, and fail.
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("large-patch-test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "large-patch-test-cm",
"namespace": "default",
}
}`)).
Do(context.TODO()).
Get()
if err == nil {
t.Fatalf("expected to fail to update object using Apply patch, but succeeded")
}
}
// TestApplyManagedFields makes sure that managedFields api does not change
func TestApplyManagedFields(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.MergePatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "updater").
Body([]byte(`{"data":{"new-key": "value"}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
// Sleep for one second to make sure that the times of each update operation is different.
// This will let us check that update entries with the same manager name are grouped together,
// and that the most recent update time is recorded in the grouped entry.
time.Sleep(1 * time.Second)
_, err = client.CoreV1().RESTClient().Patch(types.MergePatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "updater").
Body([]byte(`{"data":{"key": "new value"}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
actual, err := json.MarshalIndent(object, "\t", "\t")
if err != nil {
t.Fatalf("Failed to marshal object: %v", err)
}
expected := []byte(`{
"metadata": {
"name": "test-cm",
"namespace": "default",
"selfLink": "` + accessor.GetSelfLink() + `",
"uid": "` + string(accessor.GetUID()) + `",
"resourceVersion": "` + accessor.GetResourceVersion() + `",
"creationTimestamp": "` + accessor.GetCreationTimestamp().UTC().Format(time.RFC3339) + `",
"labels": {
"test-label": "test"
},
"managedFields": [
{
"manager": "apply_test",
"operation": "Apply",
"apiVersion": "v1",
"time": "` + accessor.GetManagedFields()[0].Time.UTC().Format(time.RFC3339) + `",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
"f:test-label": {}
}
}
}
},
{
"manager": "updater",
"operation": "Update",
"apiVersion": "v1",
"time": "` + accessor.GetManagedFields()[1].Time.UTC().Format(time.RFC3339) + `",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:data": {
"f:key": {},
"f:new-key": {}
}
}
}
]
},
"data": {
"key": "new value",
"new-key": "value"
}
}`)
if string(expected) != string(actual) {
t.Fatalf("Expected:\n%v\nGot:\n%v", string(expected), string(actual))
}
if accessor.GetManagedFields()[0].Time.UTC().Format(time.RFC3339) == accessor.GetManagedFields()[1].Time.UTC().Format(time.RFC3339) {
t.Fatalf("Expected times to be different but got:\n%v", string(actual))
}
}
// TestApplyRemovesEmptyManagedFields there are no empty managers in managedFields
func TestApplyRemovesEmptyManagedFields(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default"
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body(obj).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managed := accessor.GetManagedFields(); managed != nil {
t.Fatalf("Object contains unexpected managedFields: %v", managed)
}
}
func TestApplyRequiresFieldManager(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default"
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body(obj).
Do(context.TODO()).
Get()
if err == nil {
t.Fatalf("Apply should fail to create without fieldManager")
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body(obj).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Apply failed to create with fieldManager: %v", err)
}
}
// TestApplyRemoveContainerPort removes a container port from a deployment
func TestApplyRemoveContainerPort(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest",
"ports": [{
"containerPort": 80,
"protocol": "TCP"
}]
}]
}
}
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
obj = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to remove container port using Apply patch: %v", err)
}
deployment, err := client.AppsV1().Deployments("default").Get(context.TODO(), "deployment", metav1.GetOptions{})
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
if len(deployment.Spec.Template.Spec.Containers[0].Ports) > 0 {
t.Fatalf("Expected no container ports but got: %v, object: \n%#v", deployment.Spec.Template.Spec.Containers[0].Ports, deployment)
}
}
// TestApplyFailsWithVersionMismatch ensures that a version mismatch between the
// patch object and the live object will error
func TestApplyFailsWithVersionMismatch(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
obj = []byte(`{
"apiVersion": "extensions/v1beta",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 100,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "apply_test").
Body([]byte(obj)).Do(context.TODO()).Get()
if err == nil {
t.Fatalf("Expecting to get version mismatch when applying object")
}
status, ok := err.(*apierrors.StatusError)
if !ok {
t.Fatalf("Expecting to get version mismatch as API error")
}
if status.Status().Code != http.StatusBadRequest {
t.Fatalf("expected status code to be %d but was %d", http.StatusBadRequest, status.Status().Code)
}
}
// TestApplyConvertsManagedFieldsVersion checks that the apply
// converts the API group-version in the field manager
func TestApplyConvertsManagedFieldsVersion(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"app": "nginx"},
"managedFields": [
{
"manager": "sidecar_controller",
"operation": "Apply",
"apiVersion": "extensions/v1beta1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
"f:sidecar_version": {}
}
},
"f:spec": {
"f:template": {
"f: spec": {
"f:containers": {
"k:{\"name\":\"sidecar\"}": {
".": {},
"f:image": {}
}
}
}
}
}
}
}
]
},
"spec": {
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err := client.CoreV1().RESTClient().Post().
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Body(obj).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object: %v", err)
}
obj = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment",
"labels": {"sidecar_version": "release"}
},
"spec": {
"template": {
"spec": {
"containers": [{
"name": "sidecar",
"image": "sidecar:latest"
}]
}
}
}
}`)
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment").
Param("fieldManager", "sidecar_controller").
Body([]byte(obj)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to apply object: %v", err)
}
object, err := client.AppsV1().Deployments("default").Get(context.TODO(), "deployment", metav1.GetOptions{})
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
managed := accessor.GetManagedFields()
if len(managed) != 2 {
t.Fatalf("Expected 2 field managers, but got managed fields: %v", managed)
}
var actual *metav1.ManagedFieldsEntry
for i := range managed {
entry := &managed[i]
if entry.Manager == "sidecar_controller" && entry.APIVersion == "apps/v1" {
actual = entry
}
}
if actual == nil {
t.Fatalf("Expected managed fields to contain entry with manager '%v' with converted api version '%v', but got managed fields:\n%v", "sidecar_controller", "apps/v1", managed)
}
expected := &metav1.ManagedFieldsEntry{
Manager: "sidecar_controller",
Operation: metav1.ManagedFieldsOperationApply,
APIVersion: "apps/v1",
Time: actual.Time,
FieldsType: "FieldsV1",
FieldsV1: &metav1.FieldsV1{
Raw: []byte(`{"f:metadata":{"f:labels":{"f:sidecar_version":{}}},"f:spec":{"f:template":{"f:spec":{"f:containers":{"k:{\"name\":\"sidecar\"}":{".":{},"f:image":{},"f:name":{}}}}}}}`),
},
}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("expected:\n%v\nbut got:\n%v", expected, actual)
}
}
// TestClearManagedFieldsWithMergePatch verifies it's possible to clear the managedFields
func TestClearManagedFieldsWithMergePatch(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.MergePatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body([]byte(`{"metadata":{"managedFields": [{}]}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managedFields := accessor.GetManagedFields(); len(managedFields) != 0 {
t.Fatalf("Failed to clear managedFields, got: %v", managedFields)
}
}
// TestClearManagedFieldsWithStrategicMergePatch verifies it's possible to clear the managedFields
func TestClearManagedFieldsWithStrategicMergePatch(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.StrategicMergePatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body([]byte(`{"metadata":{"managedFields": [{}]}}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managedFields := accessor.GetManagedFields(); len(managedFields) != 0 {
t.Fatalf("Failed to clear managedFields, got: %v", managedFields)
}
if labels := accessor.GetLabels(); len(labels) < 1 {
t.Fatalf("Expected other fields to stay untouched, got: %v", object)
}
}
// TestClearManagedFieldsWithJSONPatch verifies it's possible to clear the managedFields
func TestClearManagedFieldsWithJSONPatch(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.JSONPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body([]byte(`[{"op": "replace", "path": "/metadata/managedFields", "value": [{}]}]`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managedFields := accessor.GetManagedFields(); len(managedFields) != 0 {
t.Fatalf("Failed to clear managedFields, got: %v", managedFields)
}
}
// TestClearManagedFieldsWithUpdate verifies it's possible to clear the managedFields
func TestClearManagedFieldsWithUpdate(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Put().
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"managedFields": [{}],
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managedFields := accessor.GetManagedFields(); len(managedFields) != 0 {
t.Fatalf("Failed to clear managedFields, got: %v", managedFields)
}
if labels := accessor.GetLabels(); len(labels) < 1 {
t.Fatalf("Expected other fields to stay untouched, got: %v", object)
}
}
// TestErrorsDontFail
func TestErrorsDontFail(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
// Tries to create with a managed fields that has an empty `fieldsType`.
_, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("configmaps").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"managedFields": [{
"manager": "apply_test",
"operation": "Apply",
"apiVersion": "v1",
"time": "2019-07-08T09:31:18Z",
"fieldsType": "",
"fieldsV1": {}
}],
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object with empty fieldsType: %v", err)
}
}
func TestErrorsDontFailUpdate(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("configmaps").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object: %v", err)
}
_, err = client.CoreV1().RESTClient().Put().
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"managedFields": [{
"manager": "apply_test",
"operation": "Apply",
"apiVersion": "v1",
"time": "2019-07-08T09:31:18Z",
"fieldsType": "",
"fieldsV1": {}
}],
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to update object with empty fieldsType: %v", err)
}
}
func TestErrorsDontFailPatch(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("configmaps").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.JSONPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`[{"op": "replace", "path": "/metadata/managedFields", "value": [{
"manager": "apply_test",
"operation": "Apply",
"apiVersion": "v1",
"time": "2019-07-08T09:31:18Z",
"fieldsType": "",
"fieldsV1": {}
}]}]`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to patch object with empty FieldsType: %v", err)
}
}
// TestClearManagedFieldsWithUpdateEmptyList verifies it's possible to clear the managedFields by sending an empty list.
func TestClearManagedFieldsWithUpdateEmptyList(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Namespace("default").
Resource("configmaps").
Name("test-cm").
Param("fieldManager", "apply_test").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
_, err = client.CoreV1().RESTClient().Put().
Namespace("default").
Resource("configmaps").
Name("test-cm").
Body([]byte(`{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": {
"name": "test-cm",
"namespace": "default",
"managedFields": [],
"labels": {
"test-label": "test"
}
},
"data": {
"key": "value"
}
}`)).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to patch object: %v", err)
}
object, err := client.CoreV1().RESTClient().Get().Namespace("default").Resource("configmaps").Name("test-cm").Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to retrieve object: %v", err)
}
accessor, err := meta.Accessor(object)
if err != nil {
t.Fatalf("Failed to get meta accessor: %v", err)
}
if managedFields := accessor.GetManagedFields(); len(managedFields) != 0 {
t.Fatalf("Failed to clear managedFields, got: %v", managedFields)
}
if labels := accessor.GetLabels(); len(labels) < 1 {
t.Fatalf("Expected other fields to stay untouched, got: %v", object)
}
}
// TestApplyUnsetExclusivelyOwnedFields verifies that when owned fields are omitted from an applied
// configuration, and no other managers own the field, it is removed.
func TestApplyUnsetExclusivelyOwnedFields(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
// spec.replicas is a optional, defaulted field
// spec.template.spec.hostname is an optional, non-defaulted field
apply := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-exclusive-unset",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"hostname": "test-hostname",
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-exclusive-unset").
Param("fieldManager", "apply_test").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// unset spec.replicas and spec.template.spec.hostname
apply = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-exclusive-unset",
"labels": {"app": "nginx"}
},
"spec": {
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
patched, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-exclusive-unset").
Param("fieldManager", "apply_test").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
deployment, ok := patched.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
if *deployment.Spec.Replicas != 1 {
t.Errorf("Expected deployment.spec.replicas to be 1 (default value), but got %d", deployment.Spec.Replicas)
}
if len(deployment.Spec.Template.Spec.Hostname) != 0 {
t.Errorf("Expected deployment.spec.template.spec.hostname to be unset, but got %s", deployment.Spec.Template.Spec.Hostname)
}
}
// TestApplyUnsetSharedFields verifies that when owned fields are omitted from an applied
// configuration, but other managers also own the field, is it not removed.
func TestApplyUnsetSharedFields(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
// spec.replicas is a optional, defaulted field
// spec.template.spec.hostname is an optional, non-defaulted field
apply := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-unset",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"hostname": "test-hostname",
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
for _, fieldManager := range []string{"shared_owner_1", "shared_owner_2"} {
_, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-unset").
Param("fieldManager", fieldManager).
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
}
// unset spec.replicas and spec.template.spec.hostname
apply = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-unset",
"labels": {"app": "nginx"}
},
"spec": {
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest"
}]
}
}
}
}`)
patched, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-unset").
Param("fieldManager", "shared_owner_1").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
deployment, ok := patched.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
if *deployment.Spec.Replicas != 3 {
t.Errorf("Expected deployment.spec.replicas to be 3, but got %d", deployment.Spec.Replicas)
}
if deployment.Spec.Template.Spec.Hostname != "test-hostname" {
t.Errorf("Expected deployment.spec.template.spec.hostname to be \"test-hostname\", but got %s", deployment.Spec.Template.Spec.Hostname)
}
}
// TestApplyCanTransferFieldOwnershipToController verifies that when an applier creates an
// object, a controller takes ownership of a field, and the applier
// then omits the field from its applied configuration, that the field value persists.
func TestApplyCanTransferFieldOwnershipToController(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
// Applier creates a deployment with replicas set to 3
apply := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-map-item-removal",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest",
}]
}
}
}
}`)
appliedObj, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-map-item-removal").
Param("fieldManager", "test_applier").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// a controller takes over the replicas field
applied, ok := appliedObj.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
replicas := int32(4)
applied.Spec.Replicas = &replicas
_, err = client.AppsV1().Deployments("default").
Update(context.TODO(), applied, metav1.UpdateOptions{FieldManager: "test_updater"})
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// applier omits replicas
apply = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-map-item-removal",
"labels": {"app": "nginx"}
},
"spec": {
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest",
}]
}
}
}
}`)
patched, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-map-item-removal").
Param("fieldManager", "test_applier").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// ensure the container is deleted even though a controller updated a field of the container
deployment, ok := patched.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
if *deployment.Spec.Replicas != 4 {
t.Errorf("Expected deployment.spec.replicas to be 4, but got %d", deployment.Spec.Replicas)
}
}
// TestApplyCanRemoveMapItemsContributedToByControllers verifies that when an applier creates an
// object, a controller modifies the contents of the map item via update, and the applier
// then omits the item from its applied configuration, that the item is removed.
func TestApplyCanRemoveMapItemsContributedToByControllers(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
// Applier creates a deployment with a name=nginx container
apply := []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-map-item-removal",
"labels": {"app": "nginx"}
},
"spec": {
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"containers": [{
"name": "nginx",
"image": "nginx:latest",
}]
}
}
}
}`)
appliedObj, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-map-item-removal").
Param("fieldManager", "test_applier").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// a controller sets container.workingDir of the name=nginx container via an update
applied, ok := appliedObj.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
applied.Spec.Template.Spec.Containers[0].WorkingDir = "/home/replacement"
_, err = client.AppsV1().Deployments("default").
Update(context.TODO(), applied, metav1.UpdateOptions{FieldManager: "test_updater"})
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// applier removes name=nginx the container
apply = []byte(`{
"apiVersion": "apps/v1",
"kind": "Deployment",
"metadata": {
"name": "deployment-shared-map-item-removal",
"labels": {"app": "nginx"}
},
"spec": {
"replicas": 3,
"selector": {
"matchLabels": {
"app": "nginx"
}
},
"template": {
"metadata": {
"labels": {
"app": "nginx"
}
},
"spec": {
"hostname": "test-hostname",
"containers": [{
"name": "other-container",
"image": "nginx:latest",
}]
}
}
}
}`)
patched, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("deployment-shared-map-item-removal").
Param("fieldManager", "test_applier").
Body(apply).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to create object using Apply patch: %v", err)
}
// ensure the container is deleted even though a controller updated a field of the container
deployment, ok := patched.(*appsv1.Deployment)
if !ok {
t.Fatalf("Failed to convert response object to Deployment")
}
if len(deployment.Spec.Template.Spec.Containers) != 1 {
t.Fatalf("Expected 1 container after apply, got %d", len(deployment.Spec.Template.Spec.Containers))
}
if deployment.Spec.Template.Spec.Containers[0].Name != "other-container" {
t.Fatalf("Expected container to be named \"other-container\" but got %s", deployment.Spec.Template.Spec.Containers[0].Name)
}
}
var podBytes = []byte(`
apiVersion: v1
kind: Pod
metadata:
labels:
app: some-app
plugin1: some-value
plugin2: some-value
plugin3: some-value
plugin4: some-value
name: some-name
namespace: default
ownerReferences:
- apiVersion: apps/v1
blockOwnerDeletion: true
controller: true
kind: ReplicaSet
name: some-name
uid: 0a9d2b9e-779e-11e7-b422-42010a8001be
spec:
containers:
- args:
- one
- two
- three
- four
- five
- six
- seven
- eight
- nine
env:
- name: VAR_3
valueFrom:
secretKeyRef:
key: some-other-key
name: some-oher-name
- name: VAR_2
valueFrom:
secretKeyRef:
key: other-key
name: other-name
- name: VAR_1
valueFrom:
secretKeyRef:
key: some-key
name: some-name
image: some-image-name
imagePullPolicy: IfNotPresent
name: some-name
resources:
requests:
cpu: "0"
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
name: default-token-hu5jz
readOnly: true
dnsPolicy: ClusterFirst
nodeName: node-name
priority: 0
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
serviceAccount: default
serviceAccountName: default
terminationGracePeriodSeconds: 30
tolerations:
- effect: NoExecute
key: node.kubernetes.io/not-ready
operator: Exists
tolerationSeconds: 300
- effect: NoExecute
key: node.kubernetes.io/unreachable
operator: Exists
tolerationSeconds: 300
volumes:
- name: default-token-hu5jz
secret:
defaultMode: 420
secretName: default-token-hu5jz
status:
conditions:
- lastProbeTime: null
lastTransitionTime: "2019-07-08T09:31:18Z"
status: "True"
type: Initialized
- lastProbeTime: null
lastTransitionTime: "2019-07-08T09:41:59Z"
status: "True"
type: Ready
- lastProbeTime: null
lastTransitionTime: null
status: "True"
type: ContainersReady
- lastProbeTime: null
lastTransitionTime: "2019-07-08T09:31:18Z"
status: "True"
type: PodScheduled
containerStatuses:
- containerID: docker://885e82a1ed0b7356541bb410a0126921ac42439607c09875cd8097dd5d7b5376
image: some-image-name
imageID: docker-pullable://some-image-id
lastState:
terminated:
containerID: docker://d57290f9e00fad626b20d2dd87a3cf69bbc22edae07985374f86a8b2b4e39565
exitCode: 255
finishedAt: "2019-07-08T09:39:09Z"
reason: Error
startedAt: "2019-07-08T09:38:54Z"
name: name
ready: true
restartCount: 6
state:
running:
startedAt: "2019-07-08T09:41:59Z"
hostIP: 10.0.0.1
phase: Running
podIP: 10.0.0.1
qosClass: BestEffort
startTime: "2019-07-08T09:31:18Z"
`)
func decodePod(podBytes []byte) v1.Pod {
pod := v1.Pod{}
err := yaml.Unmarshal(podBytes, &pod)
if err != nil {
panic(err)
}
return pod
}
func encodePod(pod v1.Pod) []byte {
podBytes, err := yaml.Marshal(pod)
if err != nil {
panic(err)
}
return podBytes
}
func BenchmarkNoServerSideApply(b *testing.B) {
defer featuregatetesting.SetFeatureGateDuringTest(b, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, false)()
_, client, closeFn := setup(b)
defer closeFn()
flag.Lookup("v").Value.Set("0")
benchAll(b, client, decodePod(podBytes))
}
func getPodSizeWhenEnabled(b *testing.B, pod v1.Pod) int {
return len(getPodBytesWhenEnabled(b, pod, "application/vnd.kubernetes.protobuf"))
}
func getPodBytesWhenEnabled(b *testing.B, pod v1.Pod, format string) []byte {
defer featuregatetesting.SetFeatureGateDuringTest(b, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(b)
defer closeFn()
flag.Lookup("v").Value.Set("0")
pod.Name = "size-pod"
podB, err := client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
Name(pod.Name).
Namespace("default").
Param("fieldManager", "apply_test").
Resource("pods").
SetHeader("Accept", format).
Body(encodePod(pod)).DoRaw(context.TODO())
if err != nil {
b.Fatalf("Failed to create object: %#v", err)
}
return podB
}
func BenchmarkNoServerSideApplyButSameSize(b *testing.B) {
pod := decodePod(podBytes)
ssaPodSize := getPodSizeWhenEnabled(b, pod)
defer featuregatetesting.SetFeatureGateDuringTest(b, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, false)()
_, client, closeFn := setup(b)
defer closeFn()
flag.Lookup("v").Value.Set("0")
pod.Name = "size-pod"
noSSAPod, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("pods").
SetHeader("Content-Type", "application/yaml").
SetHeader("Accept", "application/vnd.kubernetes.protobuf").
Body(encodePod(pod)).DoRaw(context.TODO())
if err != nil {
b.Fatalf("Failed to create object: %v", err)
}
ssaDiff := ssaPodSize - len(noSSAPod)
fmt.Printf("Without SSA: %v bytes, With SSA: %v bytes, Difference: %v bytes\n", len(noSSAPod), ssaPodSize, ssaDiff)
annotations := pod.GetAnnotations()
builder := strings.Builder{}
for i := 0; i < ssaDiff; i++ {
builder.WriteByte('0')
}
if annotations == nil {
annotations = map[string]string{}
}
annotations["x-ssa-difference"] = builder.String()
pod.SetAnnotations(annotations)
benchAll(b, client, pod)
}
func BenchmarkServerSideApply(b *testing.B) {
podBytesWhenEnabled := getPodBytesWhenEnabled(b, decodePod(podBytes), "application/yaml")
defer featuregatetesting.SetFeatureGateDuringTest(b, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(b)
defer closeFn()
flag.Lookup("v").Value.Set("0")
benchAll(b, client, decodePod(podBytesWhenEnabled))
}
func benchAll(b *testing.B, client kubernetes.Interface, pod v1.Pod) {
// Make sure pod is ready to post
pod.ObjectMeta.CreationTimestamp = metav1.Time{}
pod.ObjectMeta.ResourceVersion = ""
pod.ObjectMeta.UID = ""
pod.ObjectMeta.SelfLink = ""
// Create pod for repeated-updates
pod.Name = "repeated-pod"
_, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("pods").
SetHeader("Content-Type", "application/yaml").
Body(encodePod(pod)).Do(context.TODO()).Get()
if err != nil {
b.Fatalf("Failed to create object: %v", err)
}
b.Run("List1", benchListPod(client, pod, 1))
b.Run("List20", benchListPod(client, pod, 20))
b.Run("List200", benchListPod(client, pod, 200))
b.Run("List2000", benchListPod(client, pod, 2000))
b.Run("RepeatedUpdates", benchRepeatedUpdate(client, "repeated-pod"))
b.Run("Post1", benchPostPod(client, pod, 1))
b.Run("Post10", benchPostPod(client, pod, 10))
b.Run("Post50", benchPostPod(client, pod, 50))
}
func benchPostPod(client kubernetes.Interface, pod v1.Pod, parallel int) func(*testing.B) {
return func(b *testing.B) {
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
c := make(chan error)
for j := 0; j < parallel; j++ {
j := j
i := i
go func(pod v1.Pod) {
pod.Name = fmt.Sprintf("post%d-%d-%d-%d", parallel, b.N, j, i)
_, err := client.CoreV1().RESTClient().Post().
Namespace("default").
Resource("pods").
SetHeader("Content-Type", "application/yaml").
Body(encodePod(pod)).Do(context.TODO()).Get()
c <- err
}(pod)
}
for j := 0; j < parallel; j++ {
err := <-c
if err != nil {
b.Fatal(err)
}
}
close(c)
}
}
}
func createNamespace(client kubernetes.Interface, name string) error {
namespace := v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: name}}
namespaceBytes, err := yaml.Marshal(namespace)
if err != nil {
return fmt.Errorf("Failed to marshal namespace: %v", err)
}
_, err = client.CoreV1().RESTClient().Get().
Resource("namespaces").
SetHeader("Content-Type", "application/yaml").
Body(namespaceBytes).Do(context.TODO()).Get()
if err != nil {
return fmt.Errorf("Failed to create namespace: %v", err)
}
return nil
}
func benchListPod(client kubernetes.Interface, pod v1.Pod, num int) func(*testing.B) {
return func(b *testing.B) {
namespace := fmt.Sprintf("get-%d-%d", num, b.N)
if err := createNamespace(client, namespace); err != nil {
b.Fatal(err)
}
// Create pods
for i := 0; i < num; i++ {
pod.Name = fmt.Sprintf("get-%d-%d", b.N, i)
pod.Namespace = namespace
_, err := client.CoreV1().RESTClient().Post().
Namespace(namespace).
Resource("pods").
SetHeader("Content-Type", "application/yaml").
Body(encodePod(pod)).Do(context.TODO()).Get()
if err != nil {
b.Fatalf("Failed to create object: %v", err)
}
}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_, err := client.CoreV1().RESTClient().Get().
Namespace(namespace).
Resource("pods").
SetHeader("Accept", "application/vnd.kubernetes.protobuf").
Do(context.TODO()).Get()
if err != nil {
b.Fatalf("Failed to patch object: %v", err)
}
}
}
}
func benchRepeatedUpdate(client kubernetes.Interface, podName string) func(*testing.B) {
return func(b *testing.B) {
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_, err := client.CoreV1().RESTClient().Patch(types.JSONPatchType).
Namespace("default").
Resource("pods").
Name(podName).
Body([]byte(fmt.Sprintf(`[{"op": "replace", "path": "/spec/containers/0/image", "value": "image%d"}]`, i))).Do(context.TODO()).Get()
if err != nil {
b.Fatalf("Failed to patch object: %v", err)
}
}
}
}
func TestUpgradeClientSideToServerSideApply(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.ServerSideApply, true)()
_, client, closeFn := setup(t)
defer closeFn()
obj := []byte(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-deployment
annotations:
"kubectl.kubernetes.io/last-applied-configuration": |
{"kind":"Deployment","apiVersion":"apps/v1","metadata":{"name":"my-deployment","labels":{"app":"my-app"}},"spec":{"replicas": 3,"template":{"metadata":{"labels":{"app":"my-app"}},"spec":{"containers":[{"name":"my-c","image":"my-image"}]}}}}
labels:
app: my-app
spec:
replicas: 100000
selector:
matchLabels:
app: my-app
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-c
image: my-image
`)
deployment, err := yamlutil.ToJSON(obj)
if err != nil {
t.Fatalf("Failed marshal yaml: %v", err)
}
_, err = client.CoreV1().RESTClient().Post().
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Body(deployment).Do(context.TODO()).Get()
if err != nil {
t.Fatalf("Failed to create object: %v", err)
}
obj = []byte(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-deployment
labels:
app: my-new-label
spec:
replicas: 3 # expect conflict
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-c
image: my-image
`)
deployment, err = yamlutil.ToJSON(obj)
if err != nil {
t.Fatalf("Failed marshal yaml: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("my-deployment").
Param("fieldManager", "kubectl").
Body(deployment).
Do(context.TODO()).
Get()
if !apierrors.IsConflict(err) {
t.Fatalf("Expected conflict error but got: %v", err)
}
obj = []byte(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-deployment
labels:
app: my-new-label
spec:
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-c
image: my-image-new
`)
deployment, err = yamlutil.ToJSON(obj)
if err != nil {
t.Fatalf("Failed marshal yaml: %v", err)
}
_, err = client.CoreV1().RESTClient().Patch(types.ApplyPatchType).
AbsPath("/apis/apps/v1").
Namespace("default").
Resource("deployments").
Name("my-deployment").
Param("fieldManager", "kubectl").
Body(deployment).
Do(context.TODO()).
Get()
if err != nil {
t.Fatalf("Failed to apply object: %v", err)
}
deploymentObj, err := client.AppsV1().Deployments("default").Get(context.TODO(), "my-deployment", metav1.GetOptions{})
if err != nil {
t.Fatalf("Failed to get object: %v", err)
}
if *deploymentObj.Spec.Replicas != 100000 {
t.Fatalf("expected to get obj with replicas %d, but got %d", 100000, *deploymentObj.Spec.Replicas)
}
if deploymentObj.Spec.Template.Spec.Containers[0].Image != "my-image-new" {
t.Fatalf("expected to get obj with image %s, but got %s", "my-image-new", deploymentObj.Spec.Template.Spec.Containers[0].Image)
}
}
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