export HOSTNAMES=${HOSTNAMES:-"control,httpd,mysql,tomcat,client1,client2,client3,client4,benchmark"}
export VIRT_NUMBER=9
export VIRT_MEM=4096
export VIRT_CPUS=4
export IMAGE_URL=${IMAGE_URL:-"file:///bottlenecks/trusty-server-cloudimg-amd64-disk1.img"}
export IMAGE_NAME=disk.img
export IPADDR_PREFIX="192.168.122."