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31 lines
904 B
Go
31 lines
904 B
Go
// +build windows
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package client
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// LayerVhdDetails is a utility for getting a file name, size and indication of
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// sandbox for a VHD(x) in a folder. A read-only layer will be layer.vhd. A
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// read-write layer will be sandbox.vhdx.
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func LayerVhdDetails(folder string) (string, int64, bool, error) {
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var fileInfo os.FileInfo
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isSandbox := false
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filename := filepath.Join(folder, "layer.vhd")
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var err error
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if fileInfo, err = os.Stat(filename); err != nil {
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filename = filepath.Join(folder, "sandbox.vhdx")
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if fileInfo, err = os.Stat(filename); err != nil {
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if os.IsNotExist(err) {
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return "", 0, isSandbox, fmt.Errorf("could not find layer or sandbox in %s", folder)
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}
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return "", 0, isSandbox, fmt.Errorf("error locating layer or sandbox in %s: %s", folder, err)
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}
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isSandbox = true
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}
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return filename, fileInfo.Size(), isSandbox, nil
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}
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