cluster_cassandra_property_set

if [ x"$1" == x ] ; then
	echo Missing keyword such as \"seeds\"
	exit
fi
if [ x"$2" == x ] ; then
	echo Missing value such as: 20 or '\\\"Cluster 1\\\"' 
	exit
fi
property="$1"
value="$2"
from_pattern="$property:.*"
to_pattern="$property: $value"

set -x

for node in `cluster_ips_ext`
do
	ssh $node sed -i.bak.$property -e \""s/$from_pattern/$to_pattern/"\" /etc/cassandra/cassandra.yaml
done