Zerotier client list, without going to the web

ztlist-gist.sh

#!/bin/bash

json="$1" # a temp file to reuse/save members (or debug/iterate)
if [[ -z "$json" ]]; then
    json=/tmp/$(mktemp zt.XXXXXX).json
fi
set -eu -o pipefail
if ! [ -f "$json" ]; then
    # ZT_NETWORK_ID="2468abcd13579ef0" # your network
    # ZT_KEY='ShhhhDontTellAnyoneItsAsekretxyz' # your API key
    curl -s -H "Authorization: Bearer $ZT_KEY" https://my.zerotier.com/api/network/$ZT_NETWORK_ID/member > $json
fi

DATE=$(which date)
# if your 'date' is not gnu date then set path here (mac: brew info coreutils)
if [ -f /usr/local/bin/gdate ]; then DATE=/usr/local/bin/gdate; fi

# 2023-04-06 'online' field no longer exists; use lastSeen for active hosts
# since_when=$(( $($DATE     --date="yesterday" +%s) * 1000 ))
# since_when=$(( $($DATE -u --date="3 minutes ago" +%s) * 1000 ))
since_when=$(( $($DATE -u --date="33 minutes ago" +%s) * 1000 ))

if ! jq -r ".[] | select(.lastSeen > $since_when )"' | [ .physicalAddress, .config.ipAssignments[0], .name,  .description ]  | join("	")' < $json  | sort; then
    echo SOMETHING FAIL $? >&2
    exit 1    
fi
exit 0

# Run like this (or set env.vars in shell, or script):
# Output is public IP, ZT IP, name, and description
#
# $ ZT_NETWORK_ID="2468abcd13579ef0" ZT_KEY=ShhhhDontTellAnyoneItsAsekretxyz ztlist-gist.sh
# 100.17.40.54     10.99.88.33    Todd    Todd Desktop
# 12.42.165.2     10.99.88.156   trs82-armv8-01   trs82-armv8-01 auto-authorized 2024-03-05.0518
# 109.119.173.34  10.99.88.178   trs81-cray-1    trs81-cray-1 auto-authorized 2023-11-22.2341
# 109.119.173.34  10.99.88.194   trs81-armv8-05   Changed to user=adminx, trs81-armv8-05 at 2023-11-29.0858
# 63.113.215.228   10.99.88.87    trs86-armv8-01   trs86-armv8-01 auto-authorized 2024-07-31.1741