609 lines
19 KiB
Go
609 lines
19 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"errors"
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"fmt"
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"io"
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"github.com/emicklei/go-restful/swagger"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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"k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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restclient "k8s.io/client-go/rest"
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fedclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_internalclientset"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
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"k8s.io/kubernetes/pkg/client/restclient/fake"
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"k8s.io/kubernetes/pkg/client/typed/discovery"
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"k8s.io/kubernetes/pkg/kubectl"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/resource"
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)
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type InternalType struct {
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Kind string
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APIVersion string
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Name string
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}
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type ExternalType struct {
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Kind string `json:"kind"`
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APIVersion string `json:"apiVersion"`
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Name string `json:"name"`
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}
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type ExternalType2 struct {
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Kind string `json:"kind"`
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APIVersion string `json:"apiVersion"`
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Name string `json:"name"`
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}
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func (obj *InternalType) GetObjectKind() schema.ObjectKind { return obj }
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func (obj *InternalType) SetGroupVersionKind(gvk schema.GroupVersionKind) {
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obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
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}
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func (obj *InternalType) GroupVersionKind() schema.GroupVersionKind {
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return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
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}
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func (obj *ExternalType) GetObjectKind() schema.ObjectKind { return obj }
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func (obj *ExternalType) SetGroupVersionKind(gvk schema.GroupVersionKind) {
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obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
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}
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func (obj *ExternalType) GroupVersionKind() schema.GroupVersionKind {
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return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
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}
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func (obj *ExternalType2) GetObjectKind() schema.ObjectKind { return obj }
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func (obj *ExternalType2) SetGroupVersionKind(gvk schema.GroupVersionKind) {
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obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
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}
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func (obj *ExternalType2) GroupVersionKind() schema.GroupVersionKind {
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return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
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}
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func NewInternalType(kind, apiversion, name string) *InternalType {
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item := InternalType{Kind: kind,
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APIVersion: apiversion,
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Name: name}
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return &item
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}
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var versionErr = errors.New("not a version")
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func versionErrIfFalse(b bool) error {
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if b {
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return nil
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}
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return versionErr
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}
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var ValidVersion = api.Registry.GroupOrDie(api.GroupName).GroupVersion.Version
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var InternalGV = schema.GroupVersion{Group: "apitest", Version: runtime.APIVersionInternal}
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var UnlikelyGV = schema.GroupVersion{Group: "apitest", Version: "unlikelyversion"}
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var ValidVersionGV = schema.GroupVersion{Group: "apitest", Version: ValidVersion}
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func newExternalScheme() (*runtime.Scheme, meta.RESTMapper, runtime.Codec) {
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scheme := runtime.NewScheme()
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scheme.AddKnownTypeWithName(InternalGV.WithKind("Type"), &InternalType{})
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scheme.AddKnownTypeWithName(UnlikelyGV.WithKind("Type"), &ExternalType{})
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//This tests that kubectl will not confuse the external scheme with the internal scheme, even when they accidentally have versions of the same name.
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scheme.AddKnownTypeWithName(ValidVersionGV.WithKind("Type"), &ExternalType2{})
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codecs := serializer.NewCodecFactory(scheme)
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codec := codecs.LegacyCodec(UnlikelyGV)
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mapper := meta.NewDefaultRESTMapper([]schema.GroupVersion{UnlikelyGV, ValidVersionGV}, func(version schema.GroupVersion) (*meta.VersionInterfaces, error) {
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return &meta.VersionInterfaces{
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ObjectConvertor: scheme,
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MetadataAccessor: meta.NewAccessor(),
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}, versionErrIfFalse(version == ValidVersionGV || version == UnlikelyGV)
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})
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for _, gv := range []schema.GroupVersion{UnlikelyGV, ValidVersionGV} {
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for kind := range scheme.KnownTypes(gv) {
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gvk := gv.WithKind(kind)
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scope := meta.RESTScopeNamespace
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mapper.Add(gvk, scope)
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}
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}
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return scheme, mapper, codec
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}
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type fakeCachedDiscoveryClient struct {
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discovery.DiscoveryInterface
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}
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func (d *fakeCachedDiscoveryClient) Fresh() bool {
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return true
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}
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func (d *fakeCachedDiscoveryClient) Invalidate() {
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}
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type TestFactory struct {
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Mapper meta.RESTMapper
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Typer runtime.ObjectTyper
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Client kubectl.RESTClient
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Describer kubectl.Describer
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Printer kubectl.ResourcePrinter
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Validator validation.Schema
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Namespace string
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ClientConfig *restclient.Config
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Err error
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}
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type FakeFactory struct {
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tf *TestFactory
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Codec runtime.Codec
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}
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func NewTestFactory() (cmdutil.Factory, *TestFactory, runtime.Codec, runtime.NegotiatedSerializer) {
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scheme, mapper, codec := newExternalScheme()
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t := &TestFactory{
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Validator: validation.NullSchema{},
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Mapper: mapper,
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Typer: scheme,
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}
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negotiatedSerializer := serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: codec})
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return &FakeFactory{
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tf: t,
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Codec: codec,
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}, t, codec, negotiatedSerializer
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}
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func (f *FakeFactory) DiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
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discoveryClient, err := discovery.NewDiscoveryClientForConfig(f.tf.ClientConfig)
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if err != nil {
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return nil, err
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}
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return &fakeCachedDiscoveryClient{DiscoveryInterface: discoveryClient}, nil
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}
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func (f *FakeFactory) FlagSet() *pflag.FlagSet {
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return nil
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}
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func (f *FakeFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
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priorityRESTMapper := meta.PriorityRESTMapper{
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Delegate: f.tf.Mapper,
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ResourcePriority: []schema.GroupVersionResource{
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{Group: meta.AnyGroup, Version: "v1", Resource: meta.AnyResource},
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},
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KindPriority: []schema.GroupVersionKind{
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{Group: meta.AnyGroup, Version: "v1", Kind: meta.AnyKind},
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},
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}
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return priorityRESTMapper, f.tf.Typer
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}
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func (f *FakeFactory) UnstructuredObject() (meta.RESTMapper, runtime.ObjectTyper, error) {
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groupResources := testDynamicResources()
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mapper := discovery.NewRESTMapper(groupResources, meta.InterfacesForUnstructured)
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typer := discovery.NewUnstructuredObjectTyper(groupResources)
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return cmdutil.NewShortcutExpander(mapper, nil), typer, nil
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}
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func (f *FakeFactory) Decoder(bool) runtime.Decoder {
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return f.Codec
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}
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func (f *FakeFactory) JSONEncoder() runtime.Encoder {
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return f.Codec
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}
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func (f *FakeFactory) RESTClient() (*restclient.RESTClient, error) {
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return nil, nil
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}
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func (f *FakeFactory) ClientSet() (*internalclientset.Clientset, error) {
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return nil, nil
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}
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func (f *FakeFactory) ClientConfig() (*restclient.Config, error) {
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return f.tf.ClientConfig, f.tf.Err
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}
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func (f *FakeFactory) BareClientConfig() (*restclient.Config, error) {
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return f.tf.ClientConfig, f.tf.Err
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}
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func (f *FakeFactory) ClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
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return f.tf.Client, f.tf.Err
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}
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func (f *FakeFactory) FederationClientSetForVersion(version *schema.GroupVersion) (fedclientset.Interface, error) {
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return nil, nil
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}
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func (f *FakeFactory) FederationClientForVersion(version *schema.GroupVersion) (*restclient.RESTClient, error) {
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return nil, nil
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}
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func (f *FakeFactory) ClientSetForVersion(requiredVersion *schema.GroupVersion) (*internalclientset.Clientset, error) {
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return nil, nil
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}
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func (f *FakeFactory) ClientConfigForVersion(requiredVersion *schema.GroupVersion) (*restclient.Config, error) {
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return nil, nil
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}
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func (f *FakeFactory) UnstructuredClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
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return nil, nil
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}
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func (f *FakeFactory) Describer(*meta.RESTMapping) (kubectl.Describer, error) {
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return f.tf.Describer, f.tf.Err
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}
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func (f *FakeFactory) Printer(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
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return f.tf.Printer, f.tf.Err
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}
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func (f *FakeFactory) Scaler(*meta.RESTMapping) (kubectl.Scaler, error) {
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return nil, nil
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}
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func (f *FakeFactory) Reaper(*meta.RESTMapping) (kubectl.Reaper, error) {
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return nil, nil
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}
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func (f *FakeFactory) HistoryViewer(*meta.RESTMapping) (kubectl.HistoryViewer, error) {
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return nil, nil
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}
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func (f *FakeFactory) Rollbacker(*meta.RESTMapping) (kubectl.Rollbacker, error) {
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return nil, nil
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}
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func (f *FakeFactory) StatusViewer(*meta.RESTMapping) (kubectl.StatusViewer, error) {
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return nil, nil
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}
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func (f *FakeFactory) MapBasedSelectorForObject(runtime.Object) (string, error) {
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return "", nil
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}
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func (f *FakeFactory) PortsForObject(runtime.Object) ([]string, error) {
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return nil, nil
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}
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func (f *FakeFactory) ProtocolsForObject(runtime.Object) (map[string]string, error) {
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return nil, nil
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}
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func (f *FakeFactory) LabelsForObject(runtime.Object) (map[string]string, error) {
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return nil, nil
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}
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func (f *FakeFactory) LogsForObject(object, options runtime.Object) (*restclient.Request, error) {
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return nil, nil
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}
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func (f *FakeFactory) Pauser(info *resource.Info) ([]byte, error) {
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return nil, nil
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}
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func (f *FakeFactory) Resumer(info *resource.Info) ([]byte, error) {
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return nil, nil
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}
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func (f *FakeFactory) ResolveImage(name string) (string, error) {
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return name, nil
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}
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func (f *FakeFactory) Validator(validate bool, cacheDir string) (validation.Schema, error) {
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return f.tf.Validator, f.tf.Err
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}
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func (f *FakeFactory) SwaggerSchema(schema.GroupVersionKind) (*swagger.ApiDeclaration, error) {
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return nil, nil
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}
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func (f *FakeFactory) DefaultNamespace() (string, bool, error) {
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return f.tf.Namespace, false, f.tf.Err
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}
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func (f *FakeFactory) Generators(cmdName string) map[string]kubectl.Generator {
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var generator map[string]kubectl.Generator
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switch cmdName {
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case "run":
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generator = map[string]kubectl.Generator{
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cmdutil.DeploymentV1Beta1GeneratorName: kubectl.DeploymentV1Beta1{},
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}
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}
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return generator
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}
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func (f *FakeFactory) CanBeExposed(schema.GroupKind) error {
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return nil
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}
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func (f *FakeFactory) CanBeAutoscaled(schema.GroupKind) error {
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return nil
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}
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func (f *FakeFactory) AttachablePodForObject(ob runtime.Object) (*api.Pod, error) {
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return nil, nil
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}
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func (f *FakeFactory) UpdatePodSpecForObject(obj runtime.Object, fn func(*api.PodSpec) error) (bool, error) {
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return false, nil
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}
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func (f *FakeFactory) EditorEnvs() []string {
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return nil
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}
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func (f *FakeFactory) PrintObjectSpecificMessage(obj runtime.Object, out io.Writer) {
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}
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func (f *FakeFactory) Command() string {
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return ""
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}
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func (f *FakeFactory) BindFlags(flags *pflag.FlagSet) {
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}
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func (f *FakeFactory) BindExternalFlags(flags *pflag.FlagSet) {
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}
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func (f *FakeFactory) PrintObject(cmd *cobra.Command, mapper meta.RESTMapper, obj runtime.Object, out io.Writer) error {
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return nil
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}
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func (f *FakeFactory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMapping, withNamespace bool) (kubectl.ResourcePrinter, error) {
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return f.tf.Printer, f.tf.Err
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}
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func (f *FakeFactory) NewBuilder() *resource.Builder {
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return nil
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}
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func (f *FakeFactory) DefaultResourceFilterOptions(cmd *cobra.Command, withNamespace bool) *kubectl.PrintOptions {
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return &kubectl.PrintOptions{}
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}
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func (f *FakeFactory) DefaultResourceFilterFunc() kubectl.Filters {
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return nil
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}
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func (f *FakeFactory) SuggestedPodTemplateResources() []schema.GroupResource {
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return []schema.GroupResource{}
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}
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type fakeMixedFactory struct {
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cmdutil.Factory
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tf *TestFactory
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apiClient resource.RESTClient
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}
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func (f *fakeMixedFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
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var multiRESTMapper meta.MultiRESTMapper
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multiRESTMapper = append(multiRESTMapper, f.tf.Mapper)
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multiRESTMapper = append(multiRESTMapper, testapi.Default.RESTMapper())
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priorityRESTMapper := meta.PriorityRESTMapper{
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Delegate: multiRESTMapper,
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ResourcePriority: []schema.GroupVersionResource{
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{Group: meta.AnyGroup, Version: "v1", Resource: meta.AnyResource},
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},
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KindPriority: []schema.GroupVersionKind{
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{Group: meta.AnyGroup, Version: "v1", Kind: meta.AnyKind},
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},
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}
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return priorityRESTMapper, runtime.MultiObjectTyper{f.tf.Typer, api.Scheme}
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}
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func (f *fakeMixedFactory) ClientForMapping(m *meta.RESTMapping) (resource.RESTClient, error) {
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if m.ObjectConvertor == api.Scheme {
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return f.apiClient, f.tf.Err
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}
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return f.tf.Client, f.tf.Err
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}
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func NewMixedFactory(apiClient resource.RESTClient) (cmdutil.Factory, *TestFactory, runtime.Codec) {
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f, t, c, _ := NewAPIFactory()
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return &fakeMixedFactory{
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Factory: f,
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tf: t,
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apiClient: apiClient,
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}, t, c
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}
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type fakeAPIFactory struct {
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cmdutil.Factory
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tf *TestFactory
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}
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func (f *fakeAPIFactory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
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return testapi.Default.RESTMapper(), api.Scheme
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}
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func (f *fakeAPIFactory) UnstructuredObject() (meta.RESTMapper, runtime.ObjectTyper, error) {
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groupResources := testDynamicResources()
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mapper := discovery.NewRESTMapper(groupResources, meta.InterfacesForUnstructured)
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typer := discovery.NewUnstructuredObjectTyper(groupResources)
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return cmdutil.NewShortcutExpander(mapper, nil), typer, nil
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}
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func (f *fakeAPIFactory) Decoder(bool) runtime.Decoder {
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return testapi.Default.Codec()
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}
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func (f *fakeAPIFactory) JSONEncoder() runtime.Encoder {
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return testapi.Default.Codec()
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}
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func (f *fakeAPIFactory) ClientSet() (*internalclientset.Clientset, error) {
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// Swap the HTTP client out of the REST client with the fake
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// version.
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fakeClient := f.tf.Client.(*fake.RESTClient)
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clientset := internalclientset.NewForConfigOrDie(f.tf.ClientConfig)
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clientset.CoreClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.AuthenticationClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.AuthorizationClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.AutoscalingClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.BatchClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.CertificatesClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.ExtensionsClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.RbacClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.StorageClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.AppsClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.PolicyClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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clientset.DiscoveryClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
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return clientset, f.tf.Err
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}
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func (f *fakeAPIFactory) RESTClient() (*restclient.RESTClient, error) {
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// Swap out the HTTP client out of the client with the fake's version.
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fakeClient := f.tf.Client.(*fake.RESTClient)
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restClient, err := restclient.RESTClientFor(f.tf.ClientConfig)
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if err != nil {
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panic(err)
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}
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restClient.Client = fakeClient.Client
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return restClient, f.tf.Err
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}
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func (f *fakeAPIFactory) ClientConfig() (*restclient.Config, error) {
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return f.tf.ClientConfig, f.tf.Err
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}
|
|
|
|
func (f *fakeAPIFactory) ClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
|
|
return f.tf.Client, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) UnstructuredClientForMapping(*meta.RESTMapping) (resource.RESTClient, error) {
|
|
return f.tf.Client, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) Describer(*meta.RESTMapping) (kubectl.Describer, error) {
|
|
return f.tf.Describer, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) Printer(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
|
|
return f.tf.Printer, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) LogsForObject(object, options runtime.Object) (*restclient.Request, error) {
|
|
c, err := f.ClientSet()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
switch t := object.(type) {
|
|
case *api.Pod:
|
|
opts, ok := options.(*api.PodLogOptions)
|
|
if !ok {
|
|
return nil, errors.New("provided options object is not a PodLogOptions")
|
|
}
|
|
return c.Core().Pods(f.tf.Namespace).GetLogs(t.Name, opts), nil
|
|
default:
|
|
fqKinds, _, err := api.Scheme.ObjectKinds(object)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return nil, fmt.Errorf("cannot get the logs from %v", fqKinds[0])
|
|
}
|
|
}
|
|
|
|
func (f *fakeAPIFactory) Validator(validate bool, cacheDir string) (validation.Schema, error) {
|
|
return f.tf.Validator, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) DefaultNamespace() (string, bool, error) {
|
|
return f.tf.Namespace, false, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) Generators(cmdName string) map[string]kubectl.Generator {
|
|
return cmdutil.DefaultGenerators(cmdName)
|
|
}
|
|
|
|
func (f *fakeAPIFactory) PrintObject(cmd *cobra.Command, mapper meta.RESTMapper, obj runtime.Object, out io.Writer) error {
|
|
gvks, _, err := api.Scheme.ObjectKinds(obj)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
mapping, err := mapper.RESTMapping(gvks[0].GroupKind())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
printer, err := f.PrinterForMapping(cmd, mapping, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return printer.PrintObj(obj, out)
|
|
}
|
|
|
|
func (f *fakeAPIFactory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMapping, withNamespace bool) (kubectl.ResourcePrinter, error) {
|
|
return f.tf.Printer, f.tf.Err
|
|
}
|
|
|
|
func (f *fakeAPIFactory) NewBuilder() *resource.Builder {
|
|
mapper, typer := f.Object()
|
|
|
|
return resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true))
|
|
}
|
|
|
|
func (f *fakeAPIFactory) SuggestedPodTemplateResources() []schema.GroupResource {
|
|
return []schema.GroupResource{}
|
|
}
|
|
|
|
func NewAPIFactory() (cmdutil.Factory, *TestFactory, runtime.Codec, runtime.NegotiatedSerializer) {
|
|
t := &TestFactory{
|
|
Validator: validation.NullSchema{},
|
|
}
|
|
rf := cmdutil.NewFactory(nil)
|
|
return &fakeAPIFactory{
|
|
Factory: rf,
|
|
tf: t,
|
|
}, t, testapi.Default.Codec(), testapi.Default.NegotiatedSerializer()
|
|
}
|
|
|
|
func testDynamicResources() []*discovery.APIGroupResources {
|
|
return []*discovery.APIGroupResources{
|
|
{
|
|
Group: metav1.APIGroup{
|
|
Versions: []metav1.GroupVersionForDiscovery{
|
|
{Version: "v1"},
|
|
},
|
|
PreferredVersion: metav1.GroupVersionForDiscovery{Version: "v1"},
|
|
},
|
|
VersionedResources: map[string][]metav1.APIResource{
|
|
"v1": {
|
|
{Name: "pods", Namespaced: true, Kind: "Pod"},
|
|
{Name: "services", Namespaced: true, Kind: "Service"},
|
|
{Name: "replicationcontrollers", Namespaced: true, Kind: "ReplicationController"},
|
|
{Name: "componentstatuses", Namespaced: false, Kind: "ComponentStatus"},
|
|
{Name: "nodes", Namespaced: false, Kind: "Node"},
|
|
{Name: "type", Namespaced: false, Kind: "Type"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|