ixxi-dante/nw2vec

#!/bin/bash
# List the ips of the lip/crunch slaves

# Don't tolerate errors
set -e

if [ $# -ne 1 ]; then
  echo "Usage: $(basename $0) <slaves-file>"
  exit 1
fi

SLAVES_FILE=$1

cat ${SLAVES_FILE} | grep -v '^#' | grep -v '^$' | sed 's/ *#.*$//g' | while read slave_nprocs; do
  slave_nprocs=($slave_nprocs)
  slave=${slave_nprocs[0]}
  nprocs=${slave_nprocs[1]}
  echo "Slave '$slave' has ip $(dig A $slave.lip.ens-lyon.fr +short)"
done

echo "All done."