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#!/usr/bin/env bash
STATUS_KEY="BackendState"
RUNNING="Running"
tailscale_status () {
status="$(tailscale status --json | jq -r '.'$STATUS_KEY)"
if [ "$status" = $RUNNING ]; then
return 0
fi
return 1
}
toggle_status () {
if tailscale_status; then
tailscale down
else
tailscale up
fi
sleep 5
}
case $1 in
--status)
if tailscale_status; then
T=${2:-"green"}
F=${3:-"red"}
peers=$(tailscale status --json | jq -r --arg T "'$T'" --arg F "'$F'" '.Peer[] | ("<span color=" + (if .Online then $T else $F end) + ">" + (.DNSName | split(".")[0]) + "</span>")' | tr '\n' '\r')
exitnode=$(tailscale status --json | jq -r '.Peer[] | select(.ExitNode == true).DNSName | split(".")[0]')
echo "{\"text\":\"${exitnode}\",\"class\":\"connected\",\"alt\":\"connected\", \"tooltip\": \"${peers}\"}"
else
echo "{\"text\":\"\",\"class\":\"stopped\",\"alt\":\"stopped\", \"tooltip\": \"Tailscale is not active.\"}"
fi
;;
--toggle)
toggle_status
;;
esac
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