strategy.go

package policy

import (
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/validation/field"
	apirequest "k8s.io/apiserver/pkg/endpoints/request"
	kapi "k8s.io/kubernetes/pkg/api"

	authorizationapi "github.com/openshift/origin/pkg/authorization/apis/authorization"
	"github.com/openshift/origin/pkg/authorization/apis/authorization/validation"
)

// strategy implements behavior for nodes
type strategy struct {
	runtime.ObjectTyper
}

// Strategy is the default logic that applies when creating and updating Policy objects.
var Strategy = strategy{kapi.Scheme}

// NamespaceScoped is true for policies.
func (strategy) NamespaceScoped() bool {
	return true
}

// AllowCreateOnUpdate is false for policies.
func (strategy) AllowCreateOnUpdate() bool {
	return false
}

func (strategy) AllowUnconditionalUpdate() bool {
	return false
}

func (strategy) GenerateName(base string) string {
	return base
}

// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (strategy) PrepareForCreate(ctx apirequest.Context, obj runtime.Object) {
	policy := obj.(*authorizationapi.Policy)

	policy.Name = authorizationapi.PolicyName
}

// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
func (strategy) PrepareForUpdate(ctx apirequest.Context, obj, old runtime.Object) {
	_ = obj.(*authorizationapi.Policy)
}

// Canonicalize normalizes the object after validation.
func (strategy) Canonicalize(obj runtime.Object) {
}

// Validate validates a new policy.
func (strategy) Validate(ctx apirequest.Context, obj runtime.Object) field.ErrorList {
	return validation.ValidateLocalPolicy(obj.(*authorizationapi.Policy))
}

// ValidateUpdate is the default update validation for an end user.
func (strategy) ValidateUpdate(ctx apirequest.Context, obj, old runtime.Object) field.ErrorList {
	return validation.ValidateLocalPolicyUpdate(obj.(*authorizationapi.Policy), old.(*authorizationapi.Policy))
}