| /* |
| 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 service |
| |
| import ( |
| "context" |
| "fmt" |
| |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/util/validation/field" |
| "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" |
| ) |
| |
| // svcStrategy implements behavior for Services |
| type svcStrategy struct { |
| runtime.ObjectTyper |
| names.NameGenerator |
| } |
| |
| // Services is the default logic that applies when creating and updating Service |
| // objects. |
| var Strategy = svcStrategy{legacyscheme.Scheme, names.SimpleNameGenerator} |
| |
| // NamespaceScoped is true for services. |
| func (svcStrategy) NamespaceScoped() bool { |
| return true |
| } |
| |
| // PrepareForCreate clears fields that are not allowed to be set by end users on creation. |
| func (svcStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) { |
| service := obj.(*api.Service) |
| service.Status = api.ServiceStatus{} |
| } |
| |
| // PrepareForUpdate clears fields that are not allowed to be set by end users on update. |
| func (svcStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) { |
| newService := obj.(*api.Service) |
| oldService := old.(*api.Service) |
| newService.Status = oldService.Status |
| } |
| |
| // Validate validates a new service. |
| func (svcStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList { |
| service := obj.(*api.Service) |
| return validation.ValidateService(service) |
| } |
| |
| // Canonicalize normalizes the object after validation. |
| func (svcStrategy) Canonicalize(obj runtime.Object) { |
| } |
| |
| func (svcStrategy) AllowCreateOnUpdate() bool { |
| return true |
| } |
| |
| func (svcStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList { |
| return validation.ValidateServiceUpdate(obj.(*api.Service), old.(*api.Service)) |
| } |
| |
| func (svcStrategy) AllowUnconditionalUpdate() bool { |
| return true |
| } |
| |
| func (svcStrategy) Export(ctx context.Context, obj runtime.Object, exact bool) error { |
| t, ok := obj.(*api.Service) |
| if !ok { |
| // unexpected programmer error |
| return fmt.Errorf("unexpected object: %v", obj) |
| } |
| // TODO: service does not yet have a prepare create strategy (see above) |
| t.Status = api.ServiceStatus{} |
| if exact { |
| return nil |
| } |
| if t.Spec.ClusterIP != api.ClusterIPNone { |
| t.Spec.ClusterIP = "" |
| } |
| if t.Spec.Type == api.ServiceTypeNodePort { |
| for i := range t.Spec.Ports { |
| t.Spec.Ports[i].NodePort = 0 |
| } |
| } |
| return nil |
| } |
| |
| type serviceStatusStrategy struct { |
| svcStrategy |
| } |
| |
| // StatusStrategy is the default logic invoked when updating service status. |
| var StatusStrategy = serviceStatusStrategy{Strategy} |
| |
| // PrepareForUpdate clears fields that are not allowed to be set by end users on update of status |
| func (serviceStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) { |
| newService := obj.(*api.Service) |
| oldService := old.(*api.Service) |
| // status changes are not allowed to update spec |
| newService.Spec = oldService.Spec |
| } |
| |
| // ValidateUpdate is the default update validation for an end user updating status |
| func (serviceStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList { |
| return validation.ValidateServiceStatusUpdate(obj.(*api.Service), old.(*api.Service)) |
| } |