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53 lines
1.1 KiB
53 lines
1.1 KiB
10 years ago
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// !build linux,amd64
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package sysctl
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import (
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"bufio"
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"os/exec"
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"strings"
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10 years ago
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"github.com/minio-io/minio/pkg/utils"
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10 years ago
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)
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type Sysctl struct {
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Sysattrmap map[string][]byte
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}
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func (s *Sysctl) Get() error {
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attrMap := make(map[string][]byte)
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// Get full system level list
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sysctl_cmd := exec.Command("sysctl", "-a")
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// Sort the output and throw away duplicate keys
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sort_cmd := exec.Command("sort", "-u")
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// Ignore permission denied errors from sysctl output
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grep_cmd := exec.Command("grep", "-v", "permission")
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output, err := utils.ExecPipe(sysctl_cmd, sort_cmd, grep_cmd)
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if err != nil {
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return err
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}
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scanner := bufio.NewScanner(output)
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split := func(data []byte, atEOF bool) (advance int, token []byte, err error) {
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advance, token, err = bufio.ScanLines(data, atEOF)
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return
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}
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scanner.Split(split)
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for scanner.Scan() {
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split := strings.Split(scanner.Text(), "=")
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if len(split) < 1 {
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println("Invalid token skip..")
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continue
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}
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k, v := strings.TrimSpace(split[0]), strings.TrimSpace(split[1])
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attrMap[k] = []byte(v)
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}
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s.Sysattrmap = attrMap
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return nil
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}
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