37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package allocdir
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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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multierror "github.com/hashicorp/go-multierror"
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)
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// unmountSpecialDirs unmounts the dev and proc file system from the chroot. No
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// error is returned if the directories do not exist or have already been
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// unmounted.
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func (t *TaskDir) unmountSpecialDirs() error {
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errs := new(multierror.Error)
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dev := filepath.Join(t.Dir, "dev")
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if pathExists(dev) {
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if err := unlinkDir(dev); err != nil {
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errs = multierror.Append(errs, fmt.Errorf("Failed to unmount dev %q: %v", dev, err))
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} else if err := os.RemoveAll(dev); err != nil {
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errs = multierror.Append(errs, fmt.Errorf("Failed to delete dev directory %q: %v", dev, err))
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}
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}
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// Unmount proc.
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proc := filepath.Join(t.Dir, "proc")
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if pathExists(proc) {
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if err := unlinkDir(proc); err != nil {
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errs = multierror.Append(errs, fmt.Errorf("Failed to unmount proc %q: %v", proc, err))
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} else if err := os.RemoveAll(proc); err != nil {
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errs = multierror.Append(errs, fmt.Errorf("Failed to delete proc directory %q: %v", dev, err))
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}
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}
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return errs.ErrorOrNil()
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}
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