2023-04-10 15:36:59 +00:00
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// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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2022-08-29 19:50:10 +00:00
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//go:build linux
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package cgutil
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import (
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"os"
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"path/filepath"
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"strings"
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)
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// editor provides a simple mechanism for reading and writing cgroup files.
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type editor struct {
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fromRoot string
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}
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func (e *editor) path(file string) string {
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return filepath.Join(CgroupRoot, e.fromRoot, file)
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}
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func (e *editor) write(file, content string) error {
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return os.WriteFile(e.path(file), []byte(content), 0o644)
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}
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func (e *editor) read(file string) (string, error) {
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b, err := os.ReadFile(e.path(file))
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return strings.TrimSpace(string(b)), err
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}
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