65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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   Copyright The containerd Authors.
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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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       http://www.apache.org/licenses/LICENSE-2.0
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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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package local
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import (
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	"context"
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	"github.com/containerd/containerd/images"
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	"github.com/containerd/containerd/pkg/transfer"
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)
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func (ts *localTransferService) exportStream(ctx context.Context, ig transfer.ImageGetter, is transfer.ImageExporter, tops *transfer.Config) error {
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	ctx, done, err := ts.withLease(ctx)
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	if err != nil {
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		return err
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	}
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	defer done(ctx)
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	if tops.Progress != nil {
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		tops.Progress(transfer.Progress{
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			Event: "Exporting",
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		})
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	}
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	var imgs []images.Image
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	if il, ok := ig.(transfer.ImageLookup); ok {
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		imgs, err = il.Lookup(ctx, ts.images)
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		if err != nil {
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			return err
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		}
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	} else {
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		img, err := ig.Get(ctx, ts.images)
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		if err != nil {
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			return err
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		}
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		imgs = append(imgs, img)
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	}
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	err = is.Export(ctx, ts.content, imgs)
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	if err != nil {
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		return err
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	}
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	if tops.Progress != nil {
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		tops.Progress(transfer.Progress{
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			Event: "Completed export",
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		})
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	}
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	return nil
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}
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