54 lines
997 B
Go
54 lines
997 B
Go
//go:build linux
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package handlers
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import (
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"bufio"
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"os"
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"strconv"
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"strings"
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)
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func getSysMemMb() (total, free int64) {
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f, err := os.Open("/proc/meminfo")
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if err != nil {
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return 0, 0
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := scanner.Text()
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if strings.HasPrefix(line, "MemTotal:") {
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total = parseMemInfoKB(line)
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} else if strings.HasPrefix(line, "MemAvailable:") {
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free = parseMemInfoKB(line)
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}
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}
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return total / 1024, free / 1024
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}
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func parseMemInfoKB(line string) int64 {
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fields := strings.Fields(line)
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if len(fields) < 2 {
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return 0
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}
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v, _ := strconv.ParseInt(fields[1], 10, 64)
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return v
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}
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func getOSRelease() string {
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f, err := os.Open("/etc/os-release")
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if err != nil {
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return ""
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := scanner.Text()
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if strings.HasPrefix(line, "PRETTY_NAME=") {
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return strings.Trim(strings.TrimPrefix(line, "PRETTY_NAME="), `"`)
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}
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}
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return ""
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}
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