#!/bin/bash

# Zie ook https://wiki.de-roo.org/doku.php/cron

set -euo pipefail

FIRST=(dc02 mail03 fs01)
SECOND=(web06 web03 net06)
THIRD=(net07 net08)
REST=(dc01 vps01 pbx02 git01 run01 man01 mdm01 minecraft web04 web05 mail04 siem01 web08 web09 web10 web11 web12 web13 web14 dms01 msg01)

WAIT=900

reboot_servers() {
    local servers=("$@")

    for server in "${servers[@]}"; do
        ssh "$server" reboot now &
        sleep 60
    done
}

reboot_servers "${FIRST[@]}"

sleep "$WAIT"
reboot_servers "${SECOND[@]}"

sleep "$WAIT"
reboot_servers "${THIRD[@]}"

sleep "$WAIT"
reboot_servers "${REST[@]}"

sleep "$WAIT"
shutdown -r 5 "Reboot in 5 minutes."