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79c5ac14b2
* many: remove usages of deprecated io/ioutil package Signed-off-by: Miguel Pires <miguel.pires@canonical.com> * .golangci.yml: remove errcheck ignore rule for io/ioutil Signed-off-by: Miguel Pires <miguel.pires@canonical.com> * run-checks: prevent new usages of io/ioutil Signed-off-by: Miguel Pires <miguel.pires@canonical.com> --------- Signed-off-by: Miguel Pires <miguel.pires@canonical.com>
41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2017 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package osutil
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import (
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"io"
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"os"
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"strings"
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)
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// BootID returns the unique system-generated boot identifier.
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func BootID() (string, error) {
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file, err := os.Open("/proc/sys/kernel/random/boot_id")
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if err != nil {
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return "", err
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}
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defer file.Close()
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bytes, err := io.ReadAll(file)
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(string(bytes)), nil
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}
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