#!/bin/bash

#-------------------------------------------------------------------------------
#
# Checks the free memory on each of the $TEST_HOSTS:
#
#    ssh <test_host> free
#
#-------------------------------------------------------------------------------

trap 'exit 1' 2 #traps Ctrl-C (signal 2)

if [ -z "$TEST_HOSTS" ]
then
  echo "Environment variable TEST_HOSTS is not set."
  exit 0
fi

for i in $TEST_HOSTS
do
  echo $i; ssh -q $i free | grep -v Swap | grep -v "buffers/cache"
done
