#!/bin/bash

NODES="10.X.1.1 10.X.1.2 10.X.2.1 10.X.2.2 10.X.1.254 10.X.2.254 8.8.8.8"

test -z $1 || NODES="$*"

USE_LIST="br-int fabric"
for u in $USE_LIST; do
	ifconfig $u > /dev/null 2>&1
	if [ $? -eq 0 ]; then
		USE_IFACE=$u
		break
	fi
done

LIST="-$USE_IFACE $NODES - 8.8.8.8"
IFACE=
ILABEL="none"
FROM="none"
if [ ! -z $USE_IFACE ]; then
	FROM=$(ifconfig $USE_IFACE | grep "inet addr" | head -1 | awk '{print $2}' | cut -d: -f2)
fi

if [ "$FROM" != "none" ]; then
    X=$(echo "$FROM" | cut -d. -f2)
else
    X='6'
fi

LIST=$(echo $LIST | sed -e "s/X/$X/g")

echo "from $(hostname) ($FROM):"
for ip in $LIST; do
	case $ip in
		-*)
			if [ "$ip" == "-" ]; then
				IFACE=
				ILABEL="none"
			else
				ILABEL="$(echo $ip | sed -e 's/^-//g')"
				IFACE="-I $ILABEL"
			fi
			;;
		*)
			printf "  %-20s%s\n" "$ip ($ILABEL)" $(ping $IFACE -c 1 $ip 2>&1 | grep "^rtt min/avg/max/mdev" | sed -e 's/.*= \([.0-9]*\).*/\1/')
		;;
	esac
done