Reboot aimesh nodes one by one, then reboot main router

aimesh-reboot.sh

#!/bin/env bash

# this returns all aimesh routers
# nvram get cfg_device_list 

router="192.168.0.1"
user="admin"
port=1024
pwd=password

# query aimesh nodes
# intentionally escape \EOF so that all $ symbols are literal
output=$(
    ssh -T -o StrictHostKeyChecking=no $user@$router -p $port << \EOF
#echo $PATH
ipv4_regex="([0-9]{1,3}\.){3}[0-9]{1,3}"
# echo ${ipv4_regex}
ipv4_addresses=$(/bin/nvram get cfg_device_list | grep -E -o "${ipv4_regex}")
# echo $ipv4_addresses
# Print the extracted IPv4 addresses
for ip in $ipv4_addresses; do
    # echo "Found IPv4 address: $ip"
    echo $ip
done
EOF
2>&1
)

# This time without escaping EOF so that $ symbols are subsituted
for ip in ${output}; do
    if [ "$ip" != "$router" ]; then
        if ping -c 2 $ip >/dev/null 2>&1; then
            echo rebooting aimesh node "$ip"
            /usr/bin/expect <<- EOF
            spawn ssh -T -oStrictHostKeyChecking=no -oCheckHostIP=no $user@$ip -p $port
            expect "password"
            send -- "$pwd\r"
            expect "$user@"
            send -- "/sbin/reboot\r"
            expect "Connection to $ip closed"
EOF
        fi
    fi
done


# reboot main router
ssh -T -o StrictHostKeyChecking=no $user@$router -p $port -t reboot