mirror of
https://codeberg.org/frosty/modbot.git
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69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
// modbot is a system information agregator
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// Copyright (C) 2024 frosty <inthishouseofcards@gmail.com>
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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 Affero General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package readers
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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)
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type LoadInfo struct {
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OneMinute string
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FiveMinute string
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FifteenMinute string
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}
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func (l LoadInfo) String() string {
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return fmt.Sprintf("%v %v %v", l.OneMinute, l.FiveMinute, l.FifteenMinute)
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}
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func readLoad() (interface{}, error) {
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const loadPath = "/proc/loadavg"
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file, err := os.Open(loadPath)
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if err != nil {
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return LoadInfo{}, fmt.Errorf("failed to open %s: %w", loadPath, err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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scanner.Scan()
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if err := scanner.Err(); err != nil {
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return LoadInfo{}, fmt.Errorf("failed to read from %s: %w", loadPath, err)
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}
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line := scanner.Text()
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fields := strings.Fields(line)
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if len(fields) < 3 {
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return LoadInfo{}, fmt.Errorf("unexpected format in %s: %s", loadPath, line)
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}
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return LoadInfo{
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OneMinute: fields[0],
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FiveMinute: fields[1],
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FifteenMinute: fields[2],
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}, nil
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}
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func ReadLoad() func() (interface{}, error) {
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return func() (interface{}, error) {
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return readLoad()
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}
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}
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