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7b27bc344b
* Move task directory destroy logic from alloc_dir to task_dir * Update errors to wrap error cause * Use constants for file permissions * Make multierror handling consistent. * Make helpers for directory creation * Move mount dir unlink to task_dir Unlink method * Make constant for file mode 710 Co-authored-by: Tim Gross <tgross@hashicorp.com> Co-authored-by: Michael Schurter <mschurter@hashicorp.com>
40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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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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mErr := 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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mErr = multierror.Append(mErr, fmt.Errorf("Failed to unmount dev %q: %w", dev, err))
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} else if err := os.RemoveAll(dev); err != nil {
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mErr = multierror.Append(mErr, fmt.Errorf("Failed to delete dev directory %q: %w", 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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mErr = multierror.Append(mErr, fmt.Errorf("Failed to unmount proc %q: %w", proc, err))
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} else if err := os.RemoveAll(proc); err != nil {
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mErr = multierror.Append(mErr, fmt.Errorf("Failed to delete proc directory %q: %w", dev, err))
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}
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}
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return mErr.ErrorOrNil()
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}
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