Jetkvm tailscale

S22tailscale

#!/bin/sh
log="/tmp/ts.log"
 
echo "$(date): S22tailscale script starting with arg: $1" >> $log
 
wait_for_tun() {
  modprobe tun 2>>$log
  for i in $(seq 1 10); do
    [ -e /dev/net/tun ] && return 0
    echo "$(date): /dev/net/tun not ready, retrying..." >> $log
    sleep 1
  done
  echo "$(date): /dev/net/tun still not present after waiting" >> $log
  return 1
}
 
wait_for_network() {
  for i in $(seq 1 10); do
    ip route | grep default >/dev/null && return 0
    echo "$(date): no default route yet, retrying..." >> $log
    sleep 1
  done
  echo "$(date): still no default route after waiting" >> $log
  return 1
}
 
case "$1" in
  start)
    wait_for_tun || exit 1
    wait_for_network || exit 1
    echo "$(date): Starting tailscaled..." >> $log
    TS_DEBUG_FIREWALL_MODE=nftables /userdata/tailscale/tailscaled \
      -statedir /userdata/tailscale-state >> $log 2>&1 &
    ;;
  stop)
    echo "$(date): Stopping tailscaled..." >> $log
    killall tailscaled >> $log 2>&1
    ;;
  *)
    echo "Usage: $0 {start|stop}" >&2
    exit 1
    ;;
esac