move extensions registry packages

pkg/registry/extensions/deployment/registry.go

@@ -0,0 +1,84 @@
+/*
+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 deployment
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/rest"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+)
+
+// Registry is an interface for things that know how to store Deployments.
+type Registry interface {
+	ListDeployments(ctx api.Context, options *api.ListOptions) (*extensions.DeploymentList, error)
+	GetDeployment(ctx api.Context, deploymentID string) (*extensions.Deployment, error)
+	CreateDeployment(ctx api.Context, deployment *extensions.Deployment) (*extensions.Deployment, error)
+	UpdateDeployment(ctx api.Context, deployment *extensions.Deployment) (*extensions.Deployment, error)
+	DeleteDeployment(ctx api.Context, deploymentID string) error
+}
+
+// storage puts strong typing around storage calls
+type storage struct {
+	rest.StandardStorage
+}
+
+// NewRegistry returns a new Registry interface for the given Storage. Any mismatched types will panic.
+func NewRegistry(s rest.StandardStorage) Registry {
+	return &storage{s}
+}
+
+func (s *storage) ListDeployments(ctx api.Context, options *api.ListOptions) (*extensions.DeploymentList, error) {
+	if options != nil && options.FieldSelector != nil && !options.FieldSelector.Empty() {
+		return nil, fmt.Errorf("field selector not supported yet")
+	}
+	obj, err := s.List(ctx, options)
+	if err != nil {
+		return nil, err
+	}
+	return obj.(*extensions.DeploymentList), err
+}
+
+func (s *storage) GetDeployment(ctx api.Context, deploymentID string) (*extensions.Deployment, error) {
+	obj, err := s.Get(ctx, deploymentID)
+	if err != nil {
+		return nil, err
+	}
+	return obj.(*extensions.Deployment), nil
+}
+
+func (s *storage) CreateDeployment(ctx api.Context, deployment *extensions.Deployment) (*extensions.Deployment, error) {
+	obj, err := s.Create(ctx, deployment)
+	if err != nil {
+		return nil, err
+	}
+	return obj.(*extensions.Deployment), nil
+}
+
+func (s *storage) UpdateDeployment(ctx api.Context, deployment *extensions.Deployment) (*extensions.Deployment, error) {
+	obj, _, err := s.Update(ctx, deployment.Name, rest.DefaultUpdatedObjectInfo(deployment, api.Scheme))
+	if err != nil {
+		return nil, err
+	}
+	return obj.(*extensions.Deployment), nil
+}
+
+func (s *storage) DeleteDeployment(ctx api.Context, deploymentID string) error {
+	_, err := s.Delete(ctx, deploymentID, nil)
+	return err
+}