measuring ping & download speed, + post to server.

speedtest.sh

#!/bin/sh
SPEEDTEST_HOST=url01.ookla-speedtest.aseinet.com

GOOGLE_SPLEADSHEET_DOGET_URL=https://script.google.com/macros/s/this-is-example-url-tincbrabrabrabrabrabrabrabrabrabrab/exec

#timestamp "YYYY-MM-DD hh:mm:ss"
TIMESTAMP=`date '+%F %T'`

# ping RTT (ms)
PING=$(ping -c 4 -q ${TARGET_HOST} | awk -F '[/ ]' 'END {print $7}')

# download speed (bps)
SPEED=$(for i in `seq 4`; do \
  curl --connect-timeout 60 --max-time 120 -s -o /dev/null http://${SPEEDTEST_HOST}/speedtest/random500x500.jpg \
       -w '%{speed_download}'; \
  done | awk '{x+=$1} END {print (x*8)/(1024*NR)}')

# do post to server
curl --connect-timeout 60 --max-time 120 -s -L ${GOOGLE_SPLEADSHEET_DOGET_URL} \
 -d "timestamp=${TIMESTAMP}" -d "ping=${PING}" -d "speed=${SPEED}" -d "host=${SPEEDTEST_HOST}"

easyapi.gs と一緒に使う
https://gist.github.com/t2psyto/1cb53e083339f0402be5eea65bbc621c