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strategy.go
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strategy.go
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/*
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 serviceaccount
import (
"fmt"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/generic"
apistorage "k8s.io/apiserver/pkg/storage"
"k8s.io/apiserver/pkg/storage/names"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/validation"
)
// strategy implements behavior for ServiceAccount objects
type strategy struct {
runtime.ObjectTyper
names.NameGenerator
}
// Strategy is the default logic that applies when creating and updating ServiceAccount
// objects via the REST API.
var Strategy = strategy{api.Scheme, names.SimpleNameGenerator}
func (strategy) NamespaceScoped() bool {
return true
}
func (strategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
cleanSecretReferences(obj.(*api.ServiceAccount))
}
func (strategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
return validation.ValidateServiceAccount(obj.(*api.ServiceAccount))
}
// Canonicalize normalizes the object after validation.
func (strategy) Canonicalize(obj runtime.Object) {
}
func (strategy) AllowCreateOnUpdate() bool {
return false
}
func (strategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
cleanSecretReferences(obj.(*api.ServiceAccount))
}
func cleanSecretReferences(serviceAccount *api.ServiceAccount) {
for i, secret := range serviceAccount.Secrets {
serviceAccount.Secrets[i] = api.ObjectReference{Name: secret.Name}
}
}
func (strategy) ValidateUpdate(ctx genericapirequest.Context, obj, old runtime.Object) field.ErrorList {
return validation.ValidateServiceAccountUpdate(obj.(*api.ServiceAccount), old.(*api.ServiceAccount))
}
func (strategy) 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) {
sa, ok := obj.(*api.ServiceAccount)
if !ok {
return nil, nil, false, fmt.Errorf("not a serviceaccount")
}
return labels.Set(sa.Labels), SelectableFields(sa), sa.Initializers != nil, nil
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) apistorage.SelectionPredicate {
return apistorage.SelectionPredicate{
Label: label,
Field: field,
GetAttrs: GetAttrs,
}
}
// SelectableFields returns a field set that represents the object
func SelectableFields(obj *api.ServiceAccount) fields.Set {
return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, true)
}