mirror of
https://github.com/kubernetes/client-go.git
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95 lines
3.1 KiB
Go
95 lines
3.1 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 dynamic
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import (
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"fmt"
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"k8s.io/client-go/1.5/pkg/api/meta"
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"k8s.io/client-go/1.5/pkg/api/unversioned"
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"k8s.io/client-go/1.5/pkg/runtime"
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)
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// VersionInterfaces provides an object converter and metadata
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// accessor appropriate for use with unstructured objects.
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func VersionInterfaces(unversioned.GroupVersion) (*meta.VersionInterfaces, error) {
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return &meta.VersionInterfaces{
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ObjectConvertor: &runtime.UnstructuredObjectConverter{},
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MetadataAccessor: meta.NewAccessor(),
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}, nil
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}
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// NewDiscoveryRESTMapper returns a RESTMapper based on discovery information.
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func NewDiscoveryRESTMapper(resources []*unversioned.APIResourceList, versionFunc meta.VersionInterfacesFunc) (*meta.DefaultRESTMapper, error) {
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rm := meta.NewDefaultRESTMapper(nil, versionFunc)
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for _, resourceList := range resources {
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gv, err := unversioned.ParseGroupVersion(resourceList.GroupVersion)
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if err != nil {
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return nil, err
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}
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for _, resource := range resourceList.APIResources {
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gvk := gv.WithKind(resource.Kind)
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scope := meta.RESTScopeRoot
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if resource.Namespaced {
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scope = meta.RESTScopeNamespace
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}
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rm.Add(gvk, scope)
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}
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}
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return rm, nil
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}
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// ObjectTyper provides an ObjectTyper implementation for
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// runtime.Unstructured object based on discovery information.
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type ObjectTyper struct {
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registered map[unversioned.GroupVersionKind]bool
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}
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// NewObjectTyper constructs an ObjectTyper from discovery information.
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func NewObjectTyper(resources []*unversioned.APIResourceList) (runtime.ObjectTyper, error) {
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ot := &ObjectTyper{registered: make(map[unversioned.GroupVersionKind]bool)}
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for _, resourceList := range resources {
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gv, err := unversioned.ParseGroupVersion(resourceList.GroupVersion)
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if err != nil {
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return nil, err
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}
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for _, resource := range resourceList.APIResources {
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ot.registered[gv.WithKind(resource.Kind)] = true
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}
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}
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return ot, nil
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}
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// ObjectKinds returns a slice of one element with the
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// group,version,kind of the provided object, or an error if the
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// object is not *runtime.Unstructured or has no group,version,kind
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// information.
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func (ot *ObjectTyper) ObjectKinds(obj runtime.Object) ([]unversioned.GroupVersionKind, bool, error) {
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if _, ok := obj.(*runtime.Unstructured); !ok {
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return nil, false, fmt.Errorf("type %T is invalid for dynamic object typer", obj)
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}
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return []unversioned.GroupVersionKind{obj.GetObjectKind().GroupVersionKind()}, false, nil
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}
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// Recognizes returns true if the provided group,version,kind was in
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// the discovery information.
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func (ot *ObjectTyper) Recognizes(gvk unversioned.GroupVersionKind) bool {
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return ot.registered[gvk]
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}
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