43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
// Copyright 2017 clair 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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// Package aci implements an imagefmt.Extractor for appc formatted container
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// image layers.
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package aci
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import (
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"io"
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"path/filepath"
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"github.com/coreos/clair/ext/imagefmt"
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"github.com/coreos/clair/pkg/tarutil"
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)
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type format struct{}
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func init() {
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imagefmt.RegisterExtractor("aci", &format{})
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}
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func (f format) ExtractFiles(layerReader io.ReadCloser, toExtract []string) (tarutil.FilesMap, error) {
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// All contents are inside a "rootfs" directory, so this needs to be
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// prepended to each filename.
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var filenames []string
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for _, filename := range toExtract {
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filenames = append(filenames, filepath.Join("rootfs/", filename))
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}
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return tarutil.ExtractFiles(layerReader, filenames)
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}
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