#!/bin/bash
current=0
LIST=$(seq 0 1 24)
login="root"
from="/opt/scripts/start_script.sh"
to="/opt/"
host_ip=""
source ./node_list.sh

# Function to resolve th ip of a given host
function resolveip(){
    local host="$1"
    if [ -z "$host" ];then
        host_ip="resolving failed"
    else
        local ip=$( getent hosts "$host" | awk '{print $1}' )
        if [ -z "$ip" ];then
            ip=$( dig +short "$host" )
            if [ -z "$ip" ];then
                # echo "unable to resolve '$host'" >&2
                host_ip="resolving failed"
            else
                # echo "$ip"
                host_ip=$ip
            fi
        else
            # echo "$ip"
            host_ip=$ip
        fi
    fi
}

for i in $LIST ; do
	found=false
	# search for node in defined node list (array)
	for j in "${NODES[@]}"; do
		for k in $j; do
			#echo $j
			if [[ $i -eq $k ]]; then
				found=true
			fi
		done
	done

	if [[ $i -lt 10 ]];then
		current=0$i
	else
		current=$i
	fi

	if [ "$found" = true ]; then
		# delete node from known-host list to avoid problems when switching between deb and tc
		ssh-keygen -f "/home/apu/.ssh/known_hosts" -R "apu$current" > /dev/null 2>&1
		# get node ip
		resolveip "apu$current"
		echo "Copying $path to apu$current with the IP $host_ip..."

        ssh -o StrictHostKeyChecking=no "$login"@"apu$current" "mv $from $to" &

        sudo rsync -ahx --stats --info=progress2 -e 'ssh -o StrictHostKeyChecking=no' /home/apu/testbed_files/apu-tb-systemd/apu_init.service root@"apu$current":/etc/systemd/system/

        ssh -o StrictHostKeyChecking=no "$login"@"apu$current" "systemctl daemon-reload" &
	else
		# only inform the user about missing node defines when defining ranges by him-/herself
		if [ "$all" = false ]; then
			echo "Node apu$current not defined"
		fi
	fi
done