gogoproto.customtype is used to have go-digest.Digest instead of string. While it is convinient, protoc-gen-go doesn't support the extension and that blocks #6564. Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
		
			
				
	
	
		
			77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
 | 
						|
   Copyright The containerd 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 content
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
 | 
						|
	eventstypes "github.com/containerd/containerd/api/events"
 | 
						|
	"github.com/containerd/containerd/content"
 | 
						|
	"github.com/containerd/containerd/events"
 | 
						|
	"github.com/containerd/containerd/metadata"
 | 
						|
	"github.com/containerd/containerd/plugin"
 | 
						|
	"github.com/containerd/containerd/services"
 | 
						|
	digest "github.com/opencontainers/go-digest"
 | 
						|
)
 | 
						|
 | 
						|
// store wraps content.Store with proper event published.
 | 
						|
type store struct {
 | 
						|
	content.Store
 | 
						|
	publisher events.Publisher
 | 
						|
}
 | 
						|
 | 
						|
func init() {
 | 
						|
	plugin.Register(&plugin.Registration{
 | 
						|
		Type: plugin.ServicePlugin,
 | 
						|
		ID:   services.ContentService,
 | 
						|
		Requires: []plugin.Type{
 | 
						|
			plugin.EventPlugin,
 | 
						|
			plugin.MetadataPlugin,
 | 
						|
		},
 | 
						|
		InitFn: func(ic *plugin.InitContext) (interface{}, error) {
 | 
						|
			m, err := ic.Get(plugin.MetadataPlugin)
 | 
						|
			if err != nil {
 | 
						|
				return nil, err
 | 
						|
			}
 | 
						|
			ep, err := ic.Get(plugin.EventPlugin)
 | 
						|
			if err != nil {
 | 
						|
				return nil, err
 | 
						|
			}
 | 
						|
 | 
						|
			s, err := newContentStore(m.(*metadata.DB).ContentStore(), ep.(events.Publisher))
 | 
						|
			return s, err
 | 
						|
		},
 | 
						|
	})
 | 
						|
}
 | 
						|
 | 
						|
func newContentStore(cs content.Store, publisher events.Publisher) (content.Store, error) {
 | 
						|
	return &store{
 | 
						|
		Store:     cs,
 | 
						|
		publisher: publisher,
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func (s *store) Delete(ctx context.Context, dgst digest.Digest) error {
 | 
						|
	if err := s.Store.Delete(ctx, dgst); err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	// TODO: Consider whether we should return error here.
 | 
						|
	return s.publisher.Publish(ctx, "/content/delete", &eventstypes.ContentDelete{
 | 
						|
		Digest: dgst.String(),
 | 
						|
	})
 | 
						|
}
 |