SPEEDTEST CLIの結果をMuninで記録

はじめに

• 「Debian 10 busterでMunin - Qiita」の続き

SPEEDTEST CLI

• 「Speedtest CLI - Internet connection measurement for developers」の「Install Options」で「Ubuntu/Debian」をクリック
• 表示された以下を実行

$ curl -s https://install.speedtest.net/app/cli/install.deb.sh | sudo bash
$ sudo apt-get install speedtest

• 定期実行

$ sudo crontab -e
...
18,38,58 * * * * /usr/bin/speedtest --server-id=7139 --format=csv > /usr/share/munin/plugins/speedtest.out 2>&1
...

Munin

• プラグイン作成

$ cd /usr/share/munin/plugins
$ sudo nano speedtest

speedtest

#!/bin/bash
case $1 in
    config)
    echo "graph_category network"
    echo "graph_title Speedtest"
    echo "graph_args -l 0 -u 1000000000 -r"
    echo "graph_vlabel download / upload (bps)"
    echo "down.label download"
    echo "down.type GAUGE"
    echo "down.draw LINE1"
    echo "up.label upload"
    echo "up.type GAUGE"
    echo "up.draw LINE1"
    echo "graph_info Graph of Internet Connection Speed"
    exit 0;;
    esac
OUTPUT=`/usr/bin/cat /usr/share/munin/plugins/speedtest.out`
DOWNLOAD=`echo "$OUTPUT" | /usr/bin/cut -d ',' -f 6 | /usr/bin/sed 's/"//g'`
DOWNLOAD=`echo $((DOWNLOAD*8))`
UPLOAD=`echo "$OUTPUT" | /usr/bin/cut -d ',' -f 7 | /usr/bin/sed 's/"//g'`
UPLOAD=`echo $((UPLOAD*8))`
echo "down.value $DOWNLOAD"
echo "up.value $UPLOAD"

• プラグイン有効化

$ sudo chmod 755 speedtest
$ sudo ln -s /usr/share/munin/plugins/speedtest /etc/munin/plugins/speedtest
$ sudo /etc/init.d/munin-node restart

• Webブラウザで http://debian/munin/localdomain/localhost.localdomain/speedtest.html を表示
  
• 土日と平日夕方～夜の落ち込みが激しい・・・

参考

• GitHub - giovino/munin-speedtest-plugin: A Munin plugin to graph the results from speedtest-cli