Unverified Commit 5d7569d6 authored by Kubernetes Submit Queue's avatar Kubernetes Submit Queue Committed by GitHub

Merge pull request #62913 from deads2k/client-04-dynamic

Automatic merge from submit-queue (batch tested with PRs 63137, 62913). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. make a simple dynamic client that is easy to use The dynamic client has annoyed me for the last time! The existing one takes arguments at odd levels, requires lots of information to instantiate, does some weird pool thing, and uses unusual types. This creates an interface like this: ```go type DynamicInterface interface { ClusterResource(resource schema.GroupVersionResource) DynamicResourceInterface NamespacedResource(resource schema.GroupVersionResource, namespace string) DynamicResourceInterface } type DynamicResourceInterface interface { Create(obj *unstructured.Unstructured) (*unstructured.Unstructured, error) Update(obj *unstructured.Unstructured) (*unstructured.Unstructured, error) UpdateStatus(obj *unstructured.Unstructured) (*unstructured.Unstructured, error) Delete(name string, options *metav1.DeleteOptions) error DeleteCollection(options *metav1.DeleteOptions, listOptions metav1.ListOptions) error Get(name string, options metav1.GetOptions) (*unstructured.Unstructured, error) List(opts metav1.ListOptions) (*unstructured.UnstructuredList, error) Watch(opts metav1.ListOptions) (watch.Interface, error) Patch(name string, pt types.PatchType, data []byte, subresources ...string) (*unstructured.Unstructured, error) } ``` You create it from just a `rest.Config`, no mapper, no path resolving func, no trying to set up codecs ahead of time, no unnecessary pool. It just works. I updated the namespace controller to use it and I updated the existing dynamic client to leverage it so that I get all their tests for "free". @kubernetes/sig-api-machinery-pr-reviews @liggitt @smarterclayton @bparees @sttts @ironcladlou I know each of us has struggled with the dynamic client in our time. @lavalamp @caesarxuchao This is vastly simplifying. I'm eager to drop the old `ClientPool`. client-go will technically have another incompatible semver this release. I'm up for changing it in tree. ```release-note client-go developers: the new dynamic client is easier to use and the old is deprecated, you must switch. ```
parents e1e050a0 3632037e
......@@ -36,7 +36,6 @@ import (
cacheddiscovery "k8s.io/client-go/discovery/cached"
"k8s.io/client-go/dynamic"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/controller"
endpointcontroller "k8s.io/kubernetes/pkg/controller/endpoint"
"k8s.io/kubernetes/pkg/controller/garbagecollector"
......@@ -294,9 +293,6 @@ func startResourceQuotaController(ctx ControllerContext) (bool, error) {
}
func startNamespaceController(ctx ControllerContext) (bool, error) {
// TODO: should use a dynamic RESTMapper built from the discovery results.
restMapper := legacyscheme.Registry.RESTMapper()
// the namespace cleanup controller is very chatty. It makes lots of discovery calls and then it makes lots of delete calls
// the ratelimiter negatively affects its speed. Deleting 100 total items in a namespace (that's only a few of each resource
// including events), takes ~10 seconds by default.
......@@ -304,13 +300,17 @@ func startNamespaceController(ctx ControllerContext) (bool, error) {
nsKubeconfig.QPS *= 10
nsKubeconfig.Burst *= 10
namespaceKubeClient := clientset.NewForConfigOrDie(nsKubeconfig)
namespaceClientPool := dynamic.NewClientPool(nsKubeconfig, restMapper, dynamic.LegacyAPIPathResolverFunc)
discoverResourcesFn := namespaceKubeClient.Discovery().ServerPreferredNamespacedResources
dynamicClient, err := dynamic.NewForConfig(nsKubeconfig)
if err != nil {
return true, err
}
namespaceController := namespacecontroller.NewNamespaceController(
namespaceKubeClient,
namespaceClientPool,
dynamicClient,
discoverResourcesFn,
ctx.InformerFactory.Core().V1().Namespaces(),
ctx.ComponentConfig.NamespaceController.NamespaceSyncPeriod.Duration,
......
......@@ -303,7 +303,7 @@ func (gc *GarbageCollector) isDangling(reference metav1.OwnerReference, item *no
// TODO: It's only necessary to talk to the API server if the owner node
// is a "virtual" node. The local graph could lag behind the real
// status, but in practice, the difference is small.
owner, err = client.Resource(resource, item.identity.Namespace).Get(reference.Name, metav1.GetOptions{})
owner, err = client.Resource(resource, resourceDefaultNamespace(resource, item.identity.Namespace)).Get(reference.Name, metav1.GetOptions{})
switch {
case errors.IsNotFound(err):
gc.absentOwnerCache.Add(reference.UID)
......
......@@ -686,9 +686,13 @@ func TestOrphanDependentsFailure(t *testing.T) {
},
}
err := gc.orphanDependents(objectReference{}, dependents)
expected := `the server reported a conflict (patch pods pod)`
expected := `the server reported a conflict`
if err == nil || !strings.Contains(err.Error(), expected) {
t.Errorf("expected error contains text %s, got %v", expected, err)
if err != nil {
t.Errorf("expected error contains text %q, got %q", expected, err.Error())
} else {
t.Errorf("expected error contains text %q, got nil", expected)
}
}
}
......
......@@ -135,7 +135,7 @@ func listWatcher(client dynamic.Interface, resource schema.GroupVersionResource)
// namespaces if it's namespace scoped, so leave
// APIResource.Namespaced as false is all right.
apiResource := metav1.APIResource{Name: resource.Resource}
return client.ParameterCodec(dynamic.VersionedParameterEncoderWithV1Fallback).
return client.
Resource(&apiResource, metav1.NamespaceAll).
List(options)
},
......@@ -145,7 +145,7 @@ func listWatcher(client dynamic.Interface, resource schema.GroupVersionResource)
// namespaces if it's namespace scoped, so leave
// APIResource.Namespaced as false is all right.
apiResource := metav1.APIResource{Name: resource.Resource}
return client.ParameterCodec(dynamic.VersionedParameterEncoderWithV1Fallback).
return client.
Resource(&apiResource, metav1.NamespaceAll).
Watch(options)
},
......
......@@ -30,6 +30,14 @@ import (
"k8s.io/client-go/util/retry"
)
// cluster scoped resources don't have namespaces. Default to the item's namespace, but clear it for cluster scoped resources
func resourceDefaultNamespace(resource *metav1.APIResource, defaultNamespace string) string {
if resource.Namespaced {
return defaultNamespace
}
return ""
}
// apiResource consults the REST mapper to translate an <apiVersion, kind,
// namespace> tuple to a unversioned.APIResource struct.
func (gc *GarbageCollector) apiResource(apiVersion, kind string) (*metav1.APIResource, error) {
......@@ -60,7 +68,7 @@ func (gc *GarbageCollector) deleteObject(item objectReference, policy *metav1.De
uid := item.UID
preconditions := metav1.Preconditions{UID: &uid}
deleteOptions := metav1.DeleteOptions{Preconditions: &preconditions, PropagationPolicy: policy}
return client.Resource(resource, item.Namespace).Delete(item.Name, &deleteOptions)
return client.Resource(resource, resourceDefaultNamespace(resource, item.Namespace)).Delete(item.Name, &deleteOptions)
}
func (gc *GarbageCollector) getObject(item objectReference) (*unstructured.Unstructured, error) {
......@@ -73,7 +81,7 @@ func (gc *GarbageCollector) getObject(item objectReference) (*unstructured.Unstr
if err != nil {
return nil, err
}
return client.Resource(resource, item.Namespace).Get(item.Name, metav1.GetOptions{})
return client.Resource(resource, resourceDefaultNamespace(resource, item.Namespace)).Get(item.Name, metav1.GetOptions{})
}
func (gc *GarbageCollector) updateObject(item objectReference, obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
......@@ -86,7 +94,7 @@ func (gc *GarbageCollector) updateObject(item objectReference, obj *unstructured
if err != nil {
return nil, err
}
return client.Resource(resource, item.Namespace).Update(obj)
return client.Resource(resource, resourceDefaultNamespace(resource, item.Namespace)).Update(obj)
}
func (gc *GarbageCollector) patchObject(item objectReference, patch []byte) (*unstructured.Unstructured, error) {
......@@ -99,7 +107,7 @@ func (gc *GarbageCollector) patchObject(item objectReference, patch []byte) (*un
if err != nil {
return nil, err
}
return client.Resource(resource, item.Namespace).Patch(item.Name, types.StrategicMergePatchType, patch)
return client.Resource(resource, resourceDefaultNamespace(resource, item.Namespace)).Patch(item.Name, types.StrategicMergePatchType, patch)
}
// TODO: Using Patch when strategicmerge supports deleting an entry from a
......
......@@ -31,7 +31,6 @@ go_test(
srcs = ["namespaced_resources_deleter_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/api/legacyscheme:go_default_library",
"//pkg/apis/core:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
......
......@@ -43,13 +43,13 @@ type NamespacedResourcesDeleterInterface interface {
}
func NewNamespacedResourcesDeleter(nsClient v1clientset.NamespaceInterface,
clientPool dynamic.ClientPool, podsGetter v1clientset.PodsGetter,
dynamicClient dynamic.DynamicInterface, podsGetter v1clientset.PodsGetter,
discoverResourcesFn func() ([]*metav1.APIResourceList, error),
finalizerToken v1.FinalizerName, deleteNamespaceWhenDone bool) NamespacedResourcesDeleterInterface {
d := &namespacedResourcesDeleter{
nsClient: nsClient,
clientPool: clientPool,
podsGetter: podsGetter,
nsClient: nsClient,
dynamicClient: dynamicClient,
podsGetter: podsGetter,
opCache: &operationNotSupportedCache{
m: make(map[operationKey]bool),
},
......@@ -68,7 +68,7 @@ type namespacedResourcesDeleter struct {
// Client to manipulate the namespace.
nsClient v1clientset.NamespaceInterface
// Dynamic client to list and delete all namespaced resources.
clientPool dynamic.ClientPool
dynamicClient dynamic.DynamicInterface
// Interface to get PodInterface.
podsGetter v1clientset.PodsGetter
// Cache of what operations are not supported on each group version resource.
......@@ -328,9 +328,7 @@ func (d *namespacedResourcesDeleter) finalizeNamespace(namespace *v1.Namespace)
// deleteCollection is a helper function that will delete the collection of resources
// it returns true if the operation was supported on the server.
// it returns an error if the operation was supported on the server but was unable to complete.
func (d *namespacedResourcesDeleter) deleteCollection(
dynamicClient dynamic.Interface, gvr schema.GroupVersionResource,
namespace string) (bool, error) {
func (d *namespacedResourcesDeleter) deleteCollection(gvr schema.GroupVersionResource, namespace string) (bool, error) {
glog.V(5).Infof("namespace controller - deleteCollection - namespace: %s, gvr: %v", namespace, gvr)
key := operationKey{operation: operationDeleteCollection, gvr: gvr}
......@@ -339,14 +337,12 @@ func (d *namespacedResourcesDeleter) deleteCollection(
return false, nil
}
apiResource := metav1.APIResource{Name: gvr.Resource, Namespaced: true}
// namespace controller does not want the garbage collector to insert the orphan finalizer since it calls
// resource deletions generically. it will ensure all resources in the namespace are purged prior to releasing
// namespace itself.
background := metav1.DeletePropagationBackground
opts := &metav1.DeleteOptions{PropagationPolicy: &background}
err := dynamicClient.Resource(&apiResource, namespace).DeleteCollection(opts, metav1.ListOptions{})
err := d.dynamicClient.NamespacedResource(gvr, namespace).DeleteCollection(opts, metav1.ListOptions{})
if err == nil {
return true, nil
......@@ -373,8 +369,7 @@ func (d *namespacedResourcesDeleter) deleteCollection(
// the list of items in the collection (if found)
// a boolean if the operation is supported
// an error if the operation is supported but could not be completed.
func (d *namespacedResourcesDeleter) listCollection(
dynamicClient dynamic.Interface, gvr schema.GroupVersionResource, namespace string) (*unstructured.UnstructuredList, bool, error) {
func (d *namespacedResourcesDeleter) listCollection(gvr schema.GroupVersionResource, namespace string) (*unstructured.UnstructuredList, bool, error) {
glog.V(5).Infof("namespace controller - listCollection - namespace: %s, gvr: %v", namespace, gvr)
key := operationKey{operation: operationList, gvr: gvr}
......@@ -383,13 +378,8 @@ func (d *namespacedResourcesDeleter) listCollection(
return nil, false, nil
}
apiResource := metav1.APIResource{Name: gvr.Resource, Namespaced: true}
obj, err := dynamicClient.Resource(&apiResource, namespace).List(metav1.ListOptions{IncludeUninitialized: true})
unstructuredList, err := d.dynamicClient.NamespacedResource(gvr, namespace).List(metav1.ListOptions{IncludeUninitialized: true})
if err == nil {
unstructuredList, ok := obj.(*unstructured.UnstructuredList)
if !ok {
return nil, false, fmt.Errorf("resource: %s, expected *unstructured.UnstructuredList, got %#v", apiResource.Name, obj)
}
return unstructuredList, true, nil
}
......@@ -409,22 +399,20 @@ func (d *namespacedResourcesDeleter) listCollection(
}
// deleteEachItem is a helper function that will list the collection of resources and delete each item 1 by 1.
func (d *namespacedResourcesDeleter) deleteEachItem(
dynamicClient dynamic.Interface, gvr schema.GroupVersionResource, namespace string) error {
func (d *namespacedResourcesDeleter) deleteEachItem(gvr schema.GroupVersionResource, namespace string) error {
glog.V(5).Infof("namespace controller - deleteEachItem - namespace: %s, gvr: %v", namespace, gvr)
unstructuredList, listSupported, err := d.listCollection(dynamicClient, gvr, namespace)
unstructuredList, listSupported, err := d.listCollection(gvr, namespace)
if err != nil {
return err
}
if !listSupported {
return nil
}
apiResource := metav1.APIResource{Name: gvr.Resource, Namespaced: true}
for _, item := range unstructuredList.Items {
background := metav1.DeletePropagationBackground
opts := &metav1.DeleteOptions{PropagationPolicy: &background}
if err = dynamicClient.Resource(&apiResource, namespace).Delete(item.GetName(), opts); err != nil && !errors.IsNotFound(err) && !errors.IsMethodNotSupported(err) {
if err = d.dynamicClient.NamespacedResource(gvr, namespace).Delete(item.GetName(), opts); err != nil && !errors.IsNotFound(err) && !errors.IsMethodNotSupported(err) {
return err
}
}
......@@ -447,22 +435,15 @@ func (d *namespacedResourcesDeleter) deleteAllContentForGroupVersionResource(
}
glog.V(5).Infof("namespace controller - deleteAllContentForGroupVersionResource - estimate - namespace: %s, gvr: %v, estimate: %v", namespace, gvr, estimate)
// get a client for this group version...
dynamicClient, err := d.clientPool.ClientForGroupVersionResource(gvr)
if err != nil {
glog.V(5).Infof("namespace controller - deleteAllContentForGroupVersionResource - unable to get client - namespace: %s, gvr: %v, err: %v", namespace, gvr, err)
return estimate, err
}
// first try to delete the entire collection
deleteCollectionSupported, err := d.deleteCollection(dynamicClient, gvr, namespace)
deleteCollectionSupported, err := d.deleteCollection(gvr, namespace)
if err != nil {
return estimate, err
}
// delete collection was not supported, so we list and delete each item...
if !deleteCollectionSupported {
err = d.deleteEachItem(dynamicClient, gvr, namespace)
err = d.deleteEachItem(gvr, namespace)
if err != nil {
return estimate, err
}
......@@ -471,7 +452,7 @@ func (d *namespacedResourcesDeleter) deleteAllContentForGroupVersionResource(
// verify there are no more remaining items
// it is not an error condition for there to be remaining items if local estimate is non-zero
glog.V(5).Infof("namespace controller - deleteAllContentForGroupVersionResource - checking for no more items in namespace: %s, gvr: %v", namespace, gvr)
unstructuredList, listSupported, err := d.listCollection(dynamicClient, gvr, namespace)
unstructuredList, listSupported, err := d.listCollection(gvr, namespace)
if err != nil {
glog.V(5).Infof("namespace controller - deleteAllContentForGroupVersionResource - error verifying no items in namespace: %s, gvr: %v, err: %v", namespace, gvr, err)
return estimate, err
......@@ -497,8 +478,7 @@ func (d *namespacedResourcesDeleter) deleteAllContentForGroupVersionResource(
// deleteAllContent will use the dynamic client to delete each resource identified in groupVersionResources.
// It returns an estimate of the time remaining before the remaining resources are deleted.
// If estimate > 0, not all resources are guaranteed to be gone.
func (d *namespacedResourcesDeleter) deleteAllContent(
namespace string, namespaceDeletedAt metav1.Time) (int64, error) {
func (d *namespacedResourcesDeleter) deleteAllContent(namespace string, namespaceDeletedAt metav1.Time) (int64, error) {
estimate := int64(0)
glog.V(4).Infof("namespace controller - deleteAllContent - namespace: %s", namespace)
resources, err := d.discoverResourcesFn()
......
......@@ -36,7 +36,6 @@ import (
"k8s.io/client-go/kubernetes/fake"
restclient "k8s.io/client-go/rest"
core "k8s.io/client-go/testing"
"k8s.io/kubernetes/pkg/api/legacyscheme"
api "k8s.io/kubernetes/pkg/apis/core"
)
......@@ -173,14 +172,16 @@ func testSyncNamespaceThatIsTerminating(t *testing.T, versions *metav1.APIVersio
defer srv.Close()
mockClient := fake.NewSimpleClientset(testInput.testNamespace)
clientPool := dynamic.NewClientPool(clientConfig, legacyscheme.Registry.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
dynamicClient, err := dynamic.NewForConfig(clientConfig)
if err != nil {
t.Fatal(err)
}
fn := func() ([]*metav1.APIResourceList, error) {
return resources, nil
}
d := NewNamespacedResourcesDeleter(mockClient.Core().Namespaces(), clientPool, mockClient.Core(), fn, v1.FinalizerKubernetes, true)
err := d.Delete(testInput.testNamespace.Name)
if err != nil {
d := NewNamespacedResourcesDeleter(mockClient.Core().Namespaces(), dynamicClient, mockClient.Core(), fn, v1.FinalizerKubernetes, true)
if err := d.Delete(testInput.testNamespace.Name); err != nil {
t.Errorf("scenario %s - Unexpected error when synching namespace %v", scenario, err)
}
......
......@@ -63,7 +63,7 @@ type NamespaceController struct {
// NewNamespaceController creates a new NamespaceController
func NewNamespaceController(
kubeClient clientset.Interface,
clientPool dynamic.ClientPool,
dynamicClient dynamic.DynamicInterface,
discoverResourcesFn func() ([]*metav1.APIResourceList, error),
namespaceInformer coreinformers.NamespaceInformer,
resyncPeriod time.Duration,
......@@ -72,7 +72,7 @@ func NewNamespaceController(
// create the controller so we can inject the enqueue function
namespaceController := &NamespaceController{
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "namespace"),
namespacedResourcesDeleter: deletion.NewNamespacedResourcesDeleter(kubeClient.CoreV1().Namespaces(), clientPool, kubeClient.CoreV1(), discoverResourcesFn, finalizerToken, true),
namespacedResourcesDeleter: deletion.NewNamespacedResourcesDeleter(kubeClient.CoreV1().Namespaces(), dynamicClient, kubeClient.CoreV1(), discoverResourcesFn, finalizerToken, true),
}
if kubeClient != nil && kubeClient.CoreV1().RESTClient().GetRateLimiter() != nil {
......
......@@ -197,7 +197,7 @@ func genericDescriber(clientAccessFactory ClientAccessFactory, mapping *meta.RES
clientConfigCopy.GroupVersion = &gv
// used to fetch the resource
dynamicClient, err := dynamic.NewClient(&clientConfigCopy)
dynamicClient, err := dynamic.NewClient(&clientConfigCopy, gv)
if err != nil {
return nil, err
}
......
......@@ -49,6 +49,9 @@ filegroup(
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
srcs = [
":package-srcs",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructuredscheme:all-srcs",
],
tags = ["automanaged"],
)
......@@ -58,6 +58,26 @@ func (obj *Unstructured) IsList() bool {
_, ok = field.([]interface{})
return ok
}
func (obj *Unstructured) ToList() (*UnstructuredList, error) {
if !obj.IsList() {
// return an empty list back
return &UnstructuredList{Object: obj.Object}, nil
}
ret := &UnstructuredList{}
ret.Object = obj.Object
err := obj.EachListItem(func(item runtime.Object) error {
castItem := item.(*Unstructured)
ret.Items = append(ret.Items, *castItem)
return nil
})
if err != nil {
return nil, err
}
return ret, nil
}
func (obj *Unstructured) EachListItem(fn func(runtime.Object) error) error {
field, ok := obj.Object["items"]
......
load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = ["scheme.go"],
importpath = "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructuredscheme",
visibility = ["//visibility:public"],
deps = [
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer/json:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)
/*
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 unstructuredscheme
import (
"fmt"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apimachinery/pkg/runtime/serializer/json"
"k8s.io/apimachinery/pkg/runtime/serializer/versioning"
)
var (
scheme = runtime.NewScheme()
codecs = serializer.NewCodecFactory(scheme)
)
// NewUnstructuredNegotiatedSerializer returns a simple, negotiated serializer
func NewUnstructuredNegotiatedSerializer() runtime.NegotiatedSerializer {
return unstructuredNegotiatedSerializer{
scheme: scheme,
typer: NewUnstructuredObjectTyper(),
creator: NewUnstructuredCreator(),
}
}
type unstructuredNegotiatedSerializer struct {
scheme *runtime.Scheme
typer runtime.ObjectTyper
creator runtime.ObjectCreater
}
func (s unstructuredNegotiatedSerializer) SupportedMediaTypes() []runtime.SerializerInfo {
return []runtime.SerializerInfo{
{
MediaType: "application/json",
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, s.creator, s.typer, false),
PrettySerializer: json.NewSerializer(json.DefaultMetaFactory, s.creator, s.typer, true),
StreamSerializer: &runtime.StreamSerializerInfo{
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, s.creator, s.typer, false),
Framer: json.Framer,
},
},
{
MediaType: "application/yaml",
EncodesAsText: true,
Serializer: json.NewYAMLSerializer(json.DefaultMetaFactory, s.creator, s.typer),
},
}
}
func (s unstructuredNegotiatedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
return versioning.NewDefaultingCodecForScheme(s.scheme, encoder, nil, gv, nil)
}
func (s unstructuredNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
return versioning.NewDefaultingCodecForScheme(s.scheme, nil, decoder, nil, gv)
}
type unstructuredObjectTyper struct {
}
// NewUnstructuredObjectTyper returns an object typer that can deal with unstructured things
func NewUnstructuredObjectTyper() runtime.ObjectTyper {
return unstructuredObjectTyper{}
}
func (t unstructuredObjectTyper) ObjectKinds(obj runtime.Object) ([]schema.GroupVersionKind, bool, error) {
// Delegate for things other than Unstructured.
if _, ok := obj.(runtime.Unstructured); !ok {
return nil, false, fmt.Errorf("cannot type %T", obj)
}
return []schema.GroupVersionKind{obj.GetObjectKind().GroupVersionKind()}, false, nil
}
func (t unstructuredObjectTyper) Recognizes(gvk schema.GroupVersionKind) bool {
return true
}
type unstructuredCreator struct{}
// NewUnstructuredCreator returns a simple object creator that always returns an unstructured
func NewUnstructuredCreator() runtime.ObjectCreater {
return unstructuredCreator{}
}
func (c unstructuredCreator) New(kind schema.GroupVersionKind) (runtime.Object, error) {
ret := &unstructured.Unstructured{}
ret.SetGroupVersionKind(kind)
return ret, nil
}
type unstructuredDefaulter struct {
}
// NewUnstructuredDefaulter returns defaulter suitable for unstructured types that doesn't default anything
func NewUnstructuredDefaulter() runtime.ObjectDefaulter {
return unstructuredDefaulter{}
}
func (d unstructuredDefaulter) Default(in runtime.Object) {
}
......@@ -30,25 +30,28 @@ go_test(
go_library(
name = "go_default_library",
srcs = [
"bad_debt.go",
"client.go",
"client_pool.go",
"dynamic_util.go",
"scheme.go",
"simple.go",
],
importpath = "k8s.io/client-go/dynamic",
deps = [
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/conversion/queryparams:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer/json:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer/streaming:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/scheme:go_default_library",
"//vendor/k8s.io/client-go/rest:go_default_library",
"//vendor/k8s.io/client-go/util/flowcontrol:go_default_library",
],
)
......
/*
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 dynamic
import (
"encoding/json"
"io"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
)
// dynamicCodec is a codec that wraps the standard unstructured codec
// with special handling for Status objects.
// Deprecated only used by test code and its wrong
type dynamicCodec struct{}
func (dynamicCodec) Decode(data []byte, gvk *schema.GroupVersionKind, obj runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
obj, gvk, err := unstructured.UnstructuredJSONScheme.Decode(data, gvk, obj)
if err != nil {
return nil, nil, err
}
if _, ok := obj.(*metav1.Status); !ok && strings.ToLower(gvk.Kind) == "status" {
obj = &metav1.Status{}
err := json.Unmarshal(data, obj)
if err != nil {
return nil, nil, err
}
}
return obj, gvk, nil
}
func (dynamicCodec) Encode(obj runtime.Object, w io.Writer) error {
return unstructured.UnstructuredJSONScheme.Encode(obj, w)
}
// ContentConfig returns a rest.ContentConfig for dynamic types.
// Deprecated only used by test code and its wrong
func ContentConfig() rest.ContentConfig {
var jsonInfo runtime.SerializerInfo
// TODO: scheme.Codecs here should become "pkg/apis/server/scheme" which is the minimal core you need
// to talk to a kubernetes server
for _, info := range scheme.Codecs.SupportedMediaTypes() {
if info.MediaType == runtime.ContentTypeJSON {
jsonInfo = info
break
}
}
jsonInfo.Serializer = dynamicCodec{}
jsonInfo.PrettySerializer = nil
return rest.ContentConfig{
AcceptContentTypes: runtime.ContentTypeJSON,
ContentType: runtime.ContentTypeJSON,
NegotiatedSerializer: serializer.NegotiatedSerializerWrapper(jsonInfo),
}
}
......@@ -113,7 +113,7 @@ func (c *clientPoolImpl) ClientForGroupVersionKind(kind schema.GroupVersionKind)
// we need to make a client
conf.GroupVersion = &gv
dynamicClient, err := NewClient(conf)
dynamicClient, err := NewClient(conf, gv)
if err != nil {
return nil, err
}
......
/*
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 dynamic
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apimachinery/pkg/runtime/serializer/json"
"k8s.io/apimachinery/pkg/runtime/serializer/versioning"
)
var watchScheme = runtime.NewScheme()
var basicScheme = runtime.NewScheme()
var deleteScheme = runtime.NewScheme()
var parameterScheme = runtime.NewScheme()
var deleteOptionsCodec = serializer.NewCodecFactory(deleteScheme)
var dynamicParameterCodec = runtime.NewParameterCodec(parameterScheme)
var versionV1 = schema.GroupVersion{Version: "v1"}
func init() {
metav1.AddToGroupVersion(watchScheme, versionV1)
metav1.AddToGroupVersion(basicScheme, versionV1)
metav1.AddToGroupVersion(parameterScheme, versionV1)
metav1.AddToGroupVersion(deleteScheme, versionV1)
}
var watchJsonSerializerInfo = runtime.SerializerInfo{
MediaType: "application/json",
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, watchScheme, watchScheme, false),
PrettySerializer: json.NewSerializer(json.DefaultMetaFactory, watchScheme, watchScheme, true),
StreamSerializer: &runtime.StreamSerializerInfo{
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, watchScheme, watchScheme, false),
Framer: json.Framer,
},
}
// watchNegotiatedSerializer is used to read the wrapper of the watch stream
type watchNegotiatedSerializer struct{}
var watchNegotiatedSerializerInstance = watchNegotiatedSerializer{}
func (s watchNegotiatedSerializer) SupportedMediaTypes() []runtime.SerializerInfo {
return []runtime.SerializerInfo{watchJsonSerializerInfo}
}
func (s watchNegotiatedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
return versioning.NewDefaultingCodecForScheme(watchScheme, encoder, nil, gv, nil)
}
func (s watchNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
return versioning.NewDefaultingCodecForScheme(watchScheme, nil, decoder, nil, gv)
}
// basicNegotiatedSerializer is used to handle discovery and error handling serialization
type basicNegotiatedSerializer struct{}
func (s basicNegotiatedSerializer) SupportedMediaTypes() []runtime.SerializerInfo {
return []runtime.SerializerInfo{
{
MediaType: "application/json",
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, basicScheme, basicScheme, false),
PrettySerializer: json.NewSerializer(json.DefaultMetaFactory, basicScheme, basicScheme, true),
StreamSerializer: &runtime.StreamSerializerInfo{
EncodesAsText: true,
Serializer: json.NewSerializer(json.DefaultMetaFactory, basicScheme, basicScheme, false),
Framer: json.Framer,
},
},
}
}
func (s basicNegotiatedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
return versioning.NewDefaultingCodecForScheme(watchScheme, encoder, nil, gv, nil)
}
func (s basicNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
return versioning.NewDefaultingCodecForScheme(watchScheme, nil, decoder, nil, gv)
}
......@@ -317,10 +317,14 @@ func (r *Request) Param(paramName, s string) *Request {
// VersionedParams will not write query parameters that have omitempty set and are empty. If a
// parameter has already been set it is appended to (Params and VersionedParams are additive).
func (r *Request) VersionedParams(obj runtime.Object, codec runtime.ParameterCodec) *Request {
return r.SpecificallyVersionedParams(obj, codec, *r.content.GroupVersion)
}
func (r *Request) SpecificallyVersionedParams(obj runtime.Object, codec runtime.ParameterCodec, version schema.GroupVersion) *Request {
if r.err != nil {
return r
}
params, err := codec.EncodeParameters(obj, *r.content.GroupVersion)
params, err := codec.EncodeParameters(obj, version)
if err != nil {
r.err = err
return r
......@@ -485,6 +489,19 @@ func (r *Request) tryThrottle() {
// Watch attempts to begin watching the requested location.
// Returns a watch.Interface, or an error.
func (r *Request) Watch() (watch.Interface, error) {
return r.WatchWithSpecificDecoders(
func(body io.ReadCloser) streaming.Decoder {
framer := r.serializers.Framer.NewFrameReader(body)
return streaming.NewDecoder(framer, r.serializers.StreamingSerializer)
},
r.serializers.Decoder,
)
}
// WatchWithSpecificDecoders attempts to begin watching the requested location with a *different* decoder.
// Turns out that you want one "standard" decoder for the watch event and one "personal" decoder for the content
// Returns a watch.Interface, or an error.
func (r *Request) WatchWithSpecificDecoders(wrapperDecoderFn func(io.ReadCloser) streaming.Decoder, embeddedDecoder runtime.Decoder) (watch.Interface, error) {
// We specifically don't want to rate limit watches, so we
// don't use r.throttle here.
if r.err != nil {
......@@ -532,9 +549,8 @@ func (r *Request) Watch() (watch.Interface, error) {
}
return nil, fmt.Errorf("for request '%+v', got status: %v", url, resp.StatusCode)
}
framer := r.serializers.Framer.NewFrameReader(resp.Body)
decoder := streaming.NewDecoder(framer, r.serializers.StreamingSerializer)
return watch.NewStreamWatcher(restclientwatch.NewDecoder(decoder, r.serializers.Decoder)), nil
wrapperDecoder := wrapperDecoderFn(resp.Body)
return watch.NewStreamWatcher(restclientwatch.NewDecoder(wrapperDecoder, embeddedDecoder)), nil
}
// updateURLMetrics is a convenience function for pushing metrics.
......
......@@ -23,7 +23,6 @@ go_library(
"//cmd/kube-apiserver/app:go_default_library",
"//cmd/kube-apiserver/app/options:go_default_library",
"//cmd/kubelet/app/options:go_default_library",
"//pkg/api/legacyscheme:go_default_library",
"//pkg/controller/namespace:go_default_library",
"//pkg/features:go_default_library",
"//pkg/kubelet/apis/kubeletconfig:go_default_library",
......
......@@ -24,7 +24,6 @@ import (
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/pkg/api/legacyscheme"
namespacecontroller "k8s.io/kubernetes/pkg/controller/namespace"
)
......@@ -56,12 +55,15 @@ func (n *NamespaceController) Start() error {
if err != nil {
return err
}
clientPool := dynamic.NewClientPool(config, legacyscheme.Registry.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
dynamicClient, err := dynamic.NewForConfig(config)
if err != nil {
return err
}
discoverResourcesFn := client.Discovery().ServerPreferredNamespacedResources
informerFactory := informers.NewSharedInformerFactory(client, ncResyncPeriod)
nc := namespacecontroller.NewNamespaceController(
client,
clientPool,
dynamicClient,
discoverResourcesFn,
informerFactory.Core().V1().Namespaces(),
ncResyncPeriod, v1.FinalizerKubernetes,
......
......@@ -45,7 +45,7 @@ func TestDynamicClient(t *testing.T) {
}
client := clientset.NewForConfigOrDie(config)
dynamicClient, err := dynamic.NewClient(config)
dynamicClient, err := dynamic.NewClient(config, *gv)
_ = dynamicClient
if err != nil {
t.Fatalf("unexpected error creating dynamic client: %v", err)
......
......@@ -153,7 +153,7 @@ func TestCRD(t *testing.T) {
barComConfig := *result.ClientConfig
barComConfig.GroupVersion = &schema.GroupVersion{Group: "cr.bar.com", Version: "v1"}
barComConfig.APIPath = "/apis"
barComClient, err := dynamic.NewClient(&barComConfig)
barComClient, err := dynamic.NewClient(&barComConfig, *barComConfig.GroupVersion)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
......
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