Measure packet loss between hosts and push it as a gauge to statsd every 5 seconds.

ping_packet_loss

#!/usr/bin/env bash

DST_IP=XXX.XXX.XXX.XXX
SRC_IP=$(/sbin/ip -f inet addr | grep inet | grep -v 127.0.0.1 | awk -F ' ' '{print $2}' | awk -F '/' '{print $1}')
PACKET_LOSS=$(/bin/ping -w 4 -q $DST_IP | tail -2 | awk -F ' ' '{print $6}' | awk -F '%' '{print $1}' | grep -v '^$')

SANITIZED_DST_IP="${DST_IP//./_}"
SANITIZED_SRC_IP="${SRC_IP//./_}"

METRIC_PREFIX=""
METRIC_SUFFIX=""
STATSD_HOST=127.0.0.1
STATSD_PORT=8125

echo $METRIC_PREFIX"network.packetloss.from.$SANITIZED_SRC_IP.to.$SANITIZED_DST_IP"$METRIC_SUFFIX":$PACKET_LOSS|g" | nc -w 1 -u $STATSD_HOST $STATSD_PORT