+ host_string=config_nodes_${node}_short_name
+ short_host_name=$(eval echo \$$host_string)
+ ##substitute domain_name
+ domain_name=$config_domain_name
+ sed -i 's/^domain_name=REPLACE/domain_name='$domain_name'/' vm_nodes_provision.sh
+ host_name=${short_host_name}.${domain_name}