50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
//go:build linux || darwin
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// +build linux darwin
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package parse
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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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"github.com/containers/buildah/define"
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"github.com/opencontainers/runc/libcontainer/devices"
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)
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func DeviceFromPath(device string) (define.ContainerDevices, error) {
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var devs define.ContainerDevices
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src, dst, permissions, err := Device(device)
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if err != nil {
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return nil, err
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}
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srcInfo, err := os.Stat(src)
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if err != nil {
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return nil, fmt.Errorf("getting info of source device %s: %w", src, err)
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}
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if !srcInfo.IsDir() {
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dev, err := devices.DeviceFromPath(src, permissions)
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if err != nil {
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return nil, fmt.Errorf("%s is not a valid device: %w", src, err)
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}
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dev.Path = dst
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device := define.BuildahDevice{Device: *dev, Source: src, Destination: dst}
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devs = append(devs, device)
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return devs, nil
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}
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// If source device is a directory
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srcDevices, err := devices.GetDevices(src)
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if err != nil {
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return nil, fmt.Errorf("getting source devices from directory %s: %w", src, err)
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}
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for _, d := range srcDevices {
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d.Path = filepath.Join(dst, filepath.Base(d.Path))
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d.Permissions = devices.Permissions(permissions)
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device := define.BuildahDevice{Device: *d, Source: src, Destination: dst}
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devs = append(devs, device)
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}
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return devs, nil
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}
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