This is the code that powers 12345-at-mastodon

apprise.yml

version: 1

urls:
  - mastodons://CREDENTIALS@mastodon.social:
      - tag: speedtest

speedtestcli.sh

#!/bin/bash

result=$(speedtest --accept-gdpr -p no -f json -I eth0)

resultUrl=$(echo $result | jq -r '.result.url')

pingV=$(echo $result | jq -r '.ping.latency')
downT=$(echo $result | jq -r '.download.bandwidth')
upT=$(echo $result | jq -r '.upload.bandwidth')

downV=$(echo "scale=2; $downT/125000" | bc)
upV=$(echo "scale=2; $upT/125000" | bc)

toot="${downV} Mbps down, ${upV} Mbps up, ${pingV} ms latency"

attachmentUrl="${resultUrl}.png"

apprise -c /home/pi/.config/apprise.yml \
        --body "$toot" \
        --attach $attachmentUrl \
        --tag speedtest