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registry.go
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registry.go
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// Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 seed
import (
"context"
"github.com/gardener/gardener/pkg/apis/garden"
metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/apiserver/pkg/registry/rest"
)
// Registry is an interface for things that know how to store Seeds.
type Registry interface {
ListSeeds(ctx context.Context, options *metainternalversion.ListOptions) (*garden.SeedList, error)
WatchSeeds(ctx context.Context, options *metainternalversion.ListOptions) (watch.Interface, error)
GetSeed(ctx context.Context, name string, options *metav1.GetOptions) (*garden.Seed, error)
CreateSeed(ctx context.Context, seed *garden.Seed, createValidation rest.ValidateObjectFunc) (*garden.Seed, error)
UpdateSeed(ctx context.Context, seed *garden.Seed, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc) (*garden.Seed, error)
DeleteSeed(ctx context.Context, name 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) ListSeeds(ctx context.Context, options *metainternalversion.ListOptions) (*garden.SeedList, error) {
obj, err := s.List(ctx, options)
if err != nil {
return nil, err
}
return obj.(*garden.SeedList), err
}
func (s *storage) WatchSeeds(ctx context.Context, options *metainternalversion.ListOptions) (watch.Interface, error) {
return s.Watch(ctx, options)
}
func (s *storage) GetSeed(ctx context.Context, name string, options *metav1.GetOptions) (*garden.Seed, error) {
obj, err := s.Get(ctx, name, options)
if err != nil {
return nil, err
}
return obj.(*garden.Seed), nil
}
func (s *storage) CreateSeed(ctx context.Context, seed *garden.Seed, createValidation rest.ValidateObjectFunc) (*garden.Seed, error) {
obj, err := s.Create(ctx, seed, createValidation, &metav1.CreateOptions{IncludeUninitialized: false})
if err != nil {
return nil, err
}
return obj.(*garden.Seed), nil
}
func (s *storage) UpdateSeed(ctx context.Context, seed *garden.Seed, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc) (*garden.Seed, error) {
obj, _, err := s.Update(ctx, seed.Name, rest.DefaultUpdatedObjectInfo(seed), createValidation, updateValidation, false, &metav1.UpdateOptions{})
if err != nil {
return nil, err
}
return obj.(*garden.Seed), nil
}
func (s *storage) DeleteSeed(ctx context.Context, name string) error {
_, _, err := s.Delete(ctx, name, nil)
return err
}