111 lines
3.7 KiB
Go
111 lines
3.7 KiB
Go
/*
|
|
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 endpoint
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
endptspkg "k8s.io/kubernetes/pkg/api/endpoints"
|
|
"k8s.io/kubernetes/pkg/api/validation"
|
|
"k8s.io/kubernetes/pkg/fields"
|
|
"k8s.io/kubernetes/pkg/labels"
|
|
"k8s.io/kubernetes/pkg/registry/generic"
|
|
"k8s.io/kubernetes/pkg/runtime"
|
|
pkgstorage "k8s.io/kubernetes/pkg/storage"
|
|
"k8s.io/kubernetes/pkg/util/validation/field"
|
|
)
|
|
|
|
// endpointsStrategy implements behavior for Endpoints
|
|
type endpointsStrategy struct {
|
|
runtime.ObjectTyper
|
|
api.NameGenerator
|
|
}
|
|
|
|
// Strategy is the default logic that applies when creating and updating Endpoint
|
|
// objects via the REST API.
|
|
var Strategy = endpointsStrategy{api.Scheme, api.SimpleNameGenerator}
|
|
|
|
// NamespaceScoped is true for endpoints.
|
|
func (endpointsStrategy) NamespaceScoped() bool {
|
|
return true
|
|
}
|
|
|
|
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
|
|
func (endpointsStrategy) PrepareForCreate(ctx api.Context, obj runtime.Object) {
|
|
}
|
|
|
|
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
|
|
func (endpointsStrategy) PrepareForUpdate(ctx api.Context, obj, old runtime.Object) {
|
|
}
|
|
|
|
// Validate validates a new endpoints.
|
|
func (endpointsStrategy) Validate(ctx api.Context, obj runtime.Object) field.ErrorList {
|
|
return validation.ValidateEndpoints(obj.(*api.Endpoints))
|
|
}
|
|
|
|
// Canonicalize normalizes the object after validation.
|
|
func (endpointsStrategy) Canonicalize(obj runtime.Object) {
|
|
endpoints := obj.(*api.Endpoints)
|
|
endpoints.Subsets = endptspkg.RepackSubsets(endpoints.Subsets)
|
|
}
|
|
|
|
// AllowCreateOnUpdate is true for endpoints.
|
|
func (endpointsStrategy) AllowCreateOnUpdate() bool {
|
|
return true
|
|
}
|
|
|
|
// ValidateUpdate is the default update validation for an end user.
|
|
func (endpointsStrategy) ValidateUpdate(ctx api.Context, obj, old runtime.Object) field.ErrorList {
|
|
errorList := validation.ValidateEndpoints(obj.(*api.Endpoints))
|
|
return append(errorList, validation.ValidateEndpointsUpdate(obj.(*api.Endpoints), old.(*api.Endpoints))...)
|
|
}
|
|
|
|
func (endpointsStrategy) AllowUnconditionalUpdate() bool {
|
|
return true
|
|
}
|
|
|
|
// MatchEndpoints returns a generic matcher for a given label and field selector.
|
|
func MatchEndpoints(label labels.Selector, field fields.Selector) pkgstorage.SelectionPredicate {
|
|
return pkgstorage.SelectionPredicate{
|
|
Label: label,
|
|
Field: field,
|
|
GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
|
|
endpoints, ok := obj.(*api.Endpoints)
|
|
if !ok {
|
|
return nil, nil, fmt.Errorf("invalid object type %#v", obj)
|
|
}
|
|
|
|
// Compute fields only if field selectors is non-empty
|
|
// (otherwise those won't be used).
|
|
// Those are generally also not needed if label selector does
|
|
// not match labels, but additional computation of it is expensive.
|
|
var endpointsFields fields.Set
|
|
if !field.Empty() {
|
|
endpointsFields = EndpointsToSelectableFields(endpoints)
|
|
}
|
|
return endpoints.Labels, endpointsFields, nil
|
|
},
|
|
}
|
|
}
|
|
|
|
// EndpointsToSelectableFields returns a field set that represents the object
|
|
// TODO: fields are not labels, and the validation rules for them do not apply.
|
|
func EndpointsToSelectableFields(endpoints *api.Endpoints) fields.Set {
|
|
return generic.ObjectMetaFieldsSet(&endpoints.ObjectMeta, true)
|
|
}
|