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Diffstat (limited to 'vendor/k8s.io/client-go/tools/reference/ref.go')
-rw-r--r--vendor/k8s.io/client-go/tools/reference/ref.go122
1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/k8s.io/client-go/tools/reference/ref.go b/vendor/k8s.io/client-go/tools/reference/ref.go
deleted file mode 100644
index 58b60fd5d..000000000
--- a/vendor/k8s.io/client-go/tools/reference/ref.go
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
-Copyright 2014 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package reference
-
-import (
- "errors"
- "fmt"
- "net/url"
- "strings"
-
- "k8s.io/api/core/v1"
- "k8s.io/apimachinery/pkg/api/meta"
- metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
- "k8s.io/apimachinery/pkg/runtime"
-)
-
-var (
- // Errors that could be returned by GetReference.
- ErrNilObject = errors.New("can't reference a nil object")
- ErrNoSelfLink = errors.New("selfLink was empty, can't make reference")
-)
-
-// GetReference returns an ObjectReference which refers to the given
-// object, or an error if the object doesn't follow the conventions
-// that would allow this.
-// TODO: should take a meta.Interface see http://issue.k8s.io/7127
-func GetReference(scheme *runtime.Scheme, obj runtime.Object) (*v1.ObjectReference, error) {
- if obj == nil {
- return nil, ErrNilObject
- }
- if ref, ok := obj.(*v1.ObjectReference); ok {
- // Don't make a reference to a reference.
- return ref, nil
- }
-
- gvk := obj.GetObjectKind().GroupVersionKind()
-
- // if the object referenced is actually persisted, we can just get kind from meta
- // if we are building an object reference to something not yet persisted, we should fallback to scheme
- kind := gvk.Kind
- if len(kind) == 0 {
- // TODO: this is wrong
- gvks, _, err := scheme.ObjectKinds(obj)
- if err != nil {
- return nil, err
- }
- kind = gvks[0].Kind
- }
-
- // An object that implements only List has enough metadata to build a reference
- var listMeta metav1.Common
- objectMeta, err := meta.Accessor(obj)
- if err != nil {
- listMeta, err = meta.CommonAccessor(obj)
- if err != nil {
- return nil, err
- }
- } else {
- listMeta = objectMeta
- }
-
- // if the object referenced is actually persisted, we can also get version from meta
- version := gvk.GroupVersion().String()
- if len(version) == 0 {
- selfLink := listMeta.GetSelfLink()
- if len(selfLink) == 0 {
- return nil, ErrNoSelfLink
- }
- selfLinkUrl, err := url.Parse(selfLink)
- if err != nil {
- return nil, err
- }
- // example paths: /<prefix>/<version>/*
- parts := strings.Split(selfLinkUrl.Path, "/")
- if len(parts) < 3 {
- return nil, fmt.Errorf("unexpected self link format: '%v'; got version '%v'", selfLink, version)
- }
- version = parts[2]
- }
-
- // only has list metadata
- if objectMeta == nil {
- return &v1.ObjectReference{
- Kind: kind,
- APIVersion: version,
- ResourceVersion: listMeta.GetResourceVersion(),
- }, nil
- }
-
- return &v1.ObjectReference{
- Kind: kind,
- APIVersion: version,
- Name: objectMeta.GetName(),
- Namespace: objectMeta.GetNamespace(),
- UID: objectMeta.GetUID(),
- ResourceVersion: objectMeta.GetResourceVersion(),
- }, nil
-}
-
-// GetPartialReference is exactly like GetReference, but allows you to set the FieldPath.
-func GetPartialReference(scheme *runtime.Scheme, obj runtime.Object, fieldPath string) (*v1.ObjectReference, error) {
- ref, err := GetReference(scheme, obj)
- if err != nil {
- return nil, err
- }
- ref.FieldPath = fieldPath
- return ref, nil
-}