docker-netcat-statsd: send docker stats to statsd

gistfile1.txt

STATSD_HOST="${STATSD_HOST:-localhost}"
STATSD_PORT="${STATSD_PORT:-8125}"
STATSD_PREFIX="${STATSD_PREFIX:-"docker"}"
INTERVAL="${STATS_COLLECT_INTERVAL:-2}"

while sleep "$INTERVAL"; do
        docker stats --no-stream $(docker ps | awk '{if(NR>1) print $NF}') | tail -n+2 | while read line;
                do
                        echo "line: " $line;
                        echo $line | awk '{printf("'${STATSD_PREFIX}'.%s.cpu:%.2f|c", $1, substr($2, 1, length($2)-1))}' | xargs echo | nc -v -u -w 0 $STATSD_HOST $STATSD_PORT;
                        echo $line | awk '{printf("'${STATSD_PREFIX}'.%s.memory:%.2f|c", $1, substr($6, 1, length($6)-1))}' | xargs echo | nc -v -u -w 0 $STATSD_HOST $STATSD_PORT;
                done

done