mirror of
https://github.com/kubernetes/client-go.git
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move ref.go to its own subpackage
Kubernetes-commit: d9920c53a575a7c017a9cd120220ef2ad761a962
This commit is contained in:
Chao Xu
Kubernetes Publisher
parent
449f25e669
commit
5b1ad11ba7
34
pkg/api/objectreference.go
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34
pkg/api/objectreference.go
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@ -0,0 +1,34 @@
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/*
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Copyright 2017 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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//TODO: consider making these methods functions, because we don't want helper
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//functions in the k8s.io/api repo.
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package api
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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func (obj *ObjectReference) SetGroupVersionKind(gvk schema.GroupVersionKind) {
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obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
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}
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func (obj *ObjectReference) GroupVersionKind() schema.GroupVersionKind {
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return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
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}
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func (obj *ObjectReference) GetObjectKind() schema.ObjectKind { return obj }
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132
pkg/api/ref.go
132
pkg/api/ref.go
@ -1,132 +0,0 @@
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/*
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Copyright 2014 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 api
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import (
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"errors"
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"fmt"
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"net/url"
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"strings"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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var (
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// Errors that could be returned by GetReference.
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ErrNilObject = errors.New("can't reference a nil object")
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ErrNoSelfLink = errors.New("selfLink was empty, can't make reference")
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)
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// GetReference returns an ObjectReference which refers to the given
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// object, or an error if the object doesn't follow the conventions
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// that would allow this.
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// TODO: should take a meta.Interface see http://issue.k8s.io/7127
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func GetReference(scheme *runtime.Scheme, obj runtime.Object) (*ObjectReference, error) {
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if obj == nil {
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return nil, ErrNilObject
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}
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if ref, ok := obj.(*ObjectReference); ok {
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// Don't make a reference to a reference.
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return ref, nil
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}
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gvk := obj.GetObjectKind().GroupVersionKind()
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// if the object referenced is actually persisted, we can just get kind from meta
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// if we are building an object reference to something not yet persisted, we should fallback to scheme
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kind := gvk.Kind
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if len(kind) == 0 {
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// TODO: this is wrong
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gvks, _, err := scheme.ObjectKinds(obj)
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if err != nil {
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return nil, err
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}
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kind = gvks[0].Kind
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}
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// An object that implements only List has enough metadata to build a reference
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var listMeta meta.List
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objectMeta, err := meta.Accessor(obj)
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if err != nil {
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listMeta, err = meta.ListAccessor(obj)
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if err != nil {
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return nil, err
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}
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} else {
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listMeta = objectMeta
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}
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// if the object referenced is actually persisted, we can also get version from meta
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version := gvk.GroupVersion().String()
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if len(version) == 0 {
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selfLink := listMeta.GetSelfLink()
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if len(selfLink) == 0 {
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return nil, ErrNoSelfLink
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}
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selfLinkUrl, err := url.Parse(selfLink)
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if err != nil {
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return nil, err
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}
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// example paths: /<prefix>/<version>/*
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parts := strings.Split(selfLinkUrl.Path, "/")
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if len(parts) < 3 {
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return nil, fmt.Errorf("unexpected self link format: '%v'; got version '%v'", selfLink, version)
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}
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version = parts[2]
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}
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// only has list metadata
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if objectMeta == nil {
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return &ObjectReference{
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Kind: kind,
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APIVersion: version,
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ResourceVersion: listMeta.GetResourceVersion(),
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}, nil
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}
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return &ObjectReference{
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Kind: kind,
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APIVersion: version,
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Name: objectMeta.GetName(),
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Namespace: objectMeta.GetNamespace(),
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UID: objectMeta.GetUID(),
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ResourceVersion: objectMeta.GetResourceVersion(),
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}, nil
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}
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// GetPartialReference is exactly like GetReference, but allows you to set the FieldPath.
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func GetPartialReference(scheme *runtime.Scheme, obj runtime.Object, fieldPath string) (*ObjectReference, error) {
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ref, err := GetReference(scheme, obj)
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if err != nil {
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return nil, err
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}
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ref.FieldPath = fieldPath
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return ref, nil
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}
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// IsAnAPIObject allows clients to preemptively get a reference to an API object and pass it to places that
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// intend only to get a reference to that object. This simplifies the event recording interface.
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func (obj *ObjectReference) SetGroupVersionKind(gvk schema.GroupVersionKind) {
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obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
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}
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func (obj *ObjectReference) GroupVersionKind() schema.GroupVersionKind {
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return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
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}
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func (obj *ObjectReference) GetObjectKind() schema.ObjectKind { return obj }
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@ -21,16 +21,6 @@ package api
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import "fmt"
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// MatchToleration checks if the toleration matches tolerationToMatch. Tolerations are unique by <key,effect,operator,value>,
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// if the two tolerations have same <key,effect,operator,value> combination, regard as they match.
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// TODO: uniqueness check for tolerations in api validations.
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func (t *Toleration) MatchToleration(tolerationToMatch *Toleration) bool {
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return t.Key == tolerationToMatch.Key &&
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t.Effect == tolerationToMatch.Effect &&
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t.Operator == tolerationToMatch.Operator &&
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t.Value == tolerationToMatch.Value
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}
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// MatchTaint checks if the taint matches taintToMatch. Taints are unique by key:effect,
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// if the two taints have same key:effect, regard as they match.
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func (t *Taint) MatchTaint(taintToMatch Taint) bool {
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30
pkg/api/toleration.go
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30
pkg/api/toleration.go
Normal file
@ -0,0 +1,30 @@
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/*
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Copyright 2017 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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//TODO: consider making these methods functions, because we don't want helper
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//functions in the k8s.io/api repo.
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package api
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// MatchToleration checks if the toleration matches tolerationToMatch. Tolerations are unique by <key,effect,operator,value>,
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// if the two tolerations have same <key,effect,operator,value> combination, regard as they match.
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// TODO: uniqueness check for tolerations in api validations.
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func (t *Toleration) MatchToleration(tolerationToMatch *Toleration) bool {
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return t.Key == tolerationToMatch.Key &&
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t.Effect == tolerationToMatch.Effect &&
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t.Operator == tolerationToMatch.Operator &&
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t.Value == tolerationToMatch.Value
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}
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