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strategy.go
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strategy.go
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package rolebinding
import (
"fmt"
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/registry/generic"
"k8s.io/kubernetes/pkg/util/fielderrors"
"k8s.io/kubernetes/pkg/runtime"
authorizationapi "github.com/openshift/origin/pkg/authorization/api"
"github.com/openshift/origin/pkg/authorization/api/validation"
)
// strategy implements behavior for nodes
type strategy struct {
namespaced bool
runtime.ObjectTyper
}
var ClusterStrategy = strategy{false, kapi.Scheme}
var LocalStrategy = strategy{true, kapi.Scheme}
// NamespaceScoped is false for rolebindings.
func (s strategy) NamespaceScoped() bool {
return s.namespaced
}
// AllowCreateOnUpdate is false for rolebindings.
func (s strategy) AllowCreateOnUpdate() bool {
return false
}
func (strategy) AllowUnconditionalUpdate() bool {
return false
}
func (s strategy) GenerateName(base string) string {
return base
}
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (s strategy) PrepareForCreate(obj runtime.Object) {
_ = obj.(*authorizationapi.RoleBinding)
}
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
func (s strategy) PrepareForUpdate(obj, old runtime.Object) {
_ = obj.(*authorizationapi.RoleBinding)
}
// Validate validates a new role.
func (s strategy) Validate(ctx kapi.Context, obj runtime.Object) fielderrors.ValidationErrorList {
return validation.ValidateRoleBinding(obj.(*authorizationapi.RoleBinding), s.namespaced)
}
// ValidateUpdate is the default update validation for an end user.
func (s strategy) ValidateUpdate(ctx kapi.Context, obj, old runtime.Object) fielderrors.ValidationErrorList {
return validation.ValidateRoleBindingUpdate(obj.(*authorizationapi.RoleBinding), old.(*authorizationapi.RoleBinding), s.namespaced)
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return &generic.SelectionPredicate{
Label: label,
Field: field,
GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
roleBinding, ok := obj.(*authorizationapi.RoleBinding)
if !ok {
return nil, nil, fmt.Errorf("not a rolebinding")
}
return labels.Set(roleBinding.ObjectMeta.Labels), SelectableFields(roleBinding), nil
},
}
}
// SelectableFields returns a label set that represents the object
func SelectableFields(roleBinding *authorizationapi.RoleBinding) fields.Set {
return fields.Set{
"name": roleBinding.Name,
}
}