#/bin/bash 

function join_by() { 
	local IFS="$1"; shift; echo "$*"; 
}

#cx4nodes=( isc17-c0{1..9} isc17-c{10..23} )
#cx4nodes=( isc17-c0{1..9} isc17-c{10..18} isc17-c{20..23} )
cx4nodes=( c0{1..9} c{10..18} c{20..23} )
node_list=$( join_by , "${cx4nodes[@]}" )
echo "isc17-c19 is blacklisted (asks for password)"

IFS='' read -r -d '' script <<"EOF"
declare -a reply
#if [ ! -d /ime/jtacquaviva ]; then
#    reply[0]="/ime/ is not mounted"
#fi
if [ ! -d /gsfs/jtacquaviva ]; then
    reply[1]="/gsfs/ is not mounted"
fi
cx4="$(lspci | grep ConnectX-4)"
if [[ "" == $cx4 ]]; then
    reply[2]+="no cx4"
fi
reply=$(IFS=', '; echo "${reply[*]}")
echo "${reply/,/ - }"
EOF

declare -a good_nodes
for node in ${cx4nodes[@]}; do
	#echo "ping $node"
	status=$(ping -c1 $node | grep Unreachable)
	if [[ "" == $status ]]; then
		check=$(ssh $node "$script")
		if [[ "" == ${check} ]]; then
			good_nodes=( ${good_nodes[@]} $node )
		else 
			echo "$node failed with: $check"
		fi
	else 
		echo "$node is unreachable"
	fi
done

echo "GOOD NODES:"
echo "${good_nodes[@]}"