 3eeeb9429a
			
		
	
	3eeeb9429a
	
	
	
		
			
			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
		
	
	
	
	
	
| /*
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|    Copyright The containerd Authors.
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| 
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|    Licensed under the Apache License, Version 2.0 (the "License");
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|    you may not use this file except in compliance with the License.
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|    You may obtain a copy of the License at
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| 
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|        http://www.apache.org/licenses/LICENSE-2.0
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| 
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|    Unless required by applicable law or agreed to in writing, software
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|    distributed under the License is distributed on an "AS IS" BASIS,
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|    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|    See the License for the specific language governing permissions and
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|    limitations under the License.
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| */
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| 
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| package content
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| 
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| import (
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| 	"context"
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| 
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| 	eventstypes "github.com/containerd/containerd/api/events"
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| 	"github.com/containerd/containerd/content"
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| 	"github.com/containerd/containerd/events"
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| 	"github.com/containerd/containerd/metadata"
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| 	"github.com/containerd/containerd/plugin"
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| 	"github.com/containerd/containerd/services"
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| 	digest "github.com/opencontainers/go-digest"
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| )
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| 
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| // store wraps content.Store with proper event published.
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| type store struct {
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| 	content.Store
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| 	publisher events.Publisher
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| }
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| 
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| func init() {
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| 	plugin.Register(&plugin.Registration{
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| 		Type: plugin.ServicePlugin,
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| 		ID:   services.ContentService,
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| 		Requires: []plugin.Type{
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| 			plugin.EventPlugin,
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| 			plugin.MetadataPlugin,
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| 		},
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| 		InitFn: func(ic *plugin.InitContext) (interface{}, error) {
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| 			m, err := ic.Get(plugin.MetadataPlugin)
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| 			if err != nil {
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| 				return nil, err
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| 			}
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| 			ep, err := ic.Get(plugin.EventPlugin)
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| 			if err != nil {
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| 				return nil, err
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| 			}
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| 
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| 			s, err := newContentStore(m.(*metadata.DB).ContentStore(), ep.(events.Publisher))
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| 			return s, err
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| 		},
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| 	})
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| }
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| 
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| func newContentStore(cs content.Store, publisher events.Publisher) (content.Store, error) {
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| 	return &store{
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| 		Store:     cs,
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| 		publisher: publisher,
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| 	}, nil
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| }
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| 
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| func (s *store) Delete(ctx context.Context, dgst digest.Digest) error {
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| 	if err := s.Store.Delete(ctx, dgst); err != nil {
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| 		return err
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| 	}
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| 	// TODO: Consider whether we should return error here.
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| 	return s.publisher.Publish(ctx, "/content/delete", &eventstypes.ContentDelete{
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| 		Digest: dgst.String(),
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| 	})
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| }
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