clair/ext/imagefmt/aci/aci.go
2017-01-22 23:02:50 -05:00

41 lines
1.2 KiB
Go

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