| /* |
| 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 event |
| |
| import ( |
| "context" |
| "fmt" |
| |
| "k8s.io/apimachinery/pkg/fields" |
| "k8s.io/apimachinery/pkg/labels" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/util/validation/field" |
| "k8s.io/apiserver/pkg/registry/generic" |
| "k8s.io/apiserver/pkg/registry/rest" |
| "k8s.io/apiserver/pkg/storage" |
| "k8s.io/apiserver/pkg/storage/names" |
| "k8s.io/kubernetes/pkg/api/legacyscheme" |
| api "k8s.io/kubernetes/pkg/apis/core" |
| "k8s.io/kubernetes/pkg/apis/core/validation" |
| ) |
| |
| type eventStrategy struct { |
| runtime.ObjectTyper |
| names.NameGenerator |
| } |
| |
| // Strategy is the default logic that pplies when creating and updating |
| // Event objects via the REST API. |
| var Strategy = eventStrategy{legacyscheme.Scheme, names.SimpleNameGenerator} |
| |
| func (eventStrategy) DefaultGarbageCollectionPolicy(ctx context.Context) rest.GarbageCollectionPolicy { |
| return rest.Unsupported |
| } |
| |
| func (eventStrategy) NamespaceScoped() bool { |
| return true |
| } |
| |
| func (eventStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) { |
| } |
| |
| func (eventStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) { |
| } |
| |
| func (eventStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList { |
| event := obj.(*api.Event) |
| return validation.ValidateEvent(event) |
| } |
| |
| // Canonicalize normalizes the object after validation. |
| func (eventStrategy) Canonicalize(obj runtime.Object) { |
| } |
| |
| func (eventStrategy) AllowCreateOnUpdate() bool { |
| return true |
| } |
| |
| func (eventStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList { |
| event := obj.(*api.Event) |
| return validation.ValidateEvent(event) |
| } |
| |
| func (eventStrategy) AllowUnconditionalUpdate() bool { |
| return true |
| } |
| |
| // GetAttrs returns labels and fields of a given object for filtering purposes. |
| func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, bool, error) { |
| event, ok := obj.(*api.Event) |
| if !ok { |
| return nil, nil, false, fmt.Errorf("not an event") |
| } |
| return labels.Set(event.Labels), EventToSelectableFields(event), event.Initializers != nil, nil |
| } |
| |
| func MatchEvent(label labels.Selector, field fields.Selector) storage.SelectionPredicate { |
| return storage.SelectionPredicate{ |
| Label: label, |
| Field: field, |
| GetAttrs: GetAttrs, |
| } |
| } |
| |
| // EventToSelectableFields returns a field set that represents the object |
| func EventToSelectableFields(event *api.Event) fields.Set { |
| objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&event.ObjectMeta, true) |
| specificFieldsSet := fields.Set{ |
| "involvedObject.kind": event.InvolvedObject.Kind, |
| "involvedObject.namespace": event.InvolvedObject.Namespace, |
| "involvedObject.name": event.InvolvedObject.Name, |
| "involvedObject.uid": string(event.InvolvedObject.UID), |
| "involvedObject.apiVersion": event.InvolvedObject.APIVersion, |
| "involvedObject.resourceVersion": event.InvolvedObject.ResourceVersion, |
| "involvedObject.fieldPath": event.InvolvedObject.FieldPath, |
| "reason": event.Reason, |
| "source": event.Source.Component, |
| "type": event.Type, |
| } |
| return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet) |
| } |