create new web server using the ec2-tools

launch-server.sh

#!/bin/bash

region=us-west-2
ami=ami-927613a2
# http://cloud-images.ubuntu.com/locator/ec2/

echo "Input server name: "
read server_name

USERDATA=$(cat <<-EOF
#cloud-config

runcmd:
- curl -L https://www.opscode.com/chef/install.sh | bash

bootcmd:
 - echo 127.0.1.1 ${server_name}.www.gogobot.com ${server_name} www.gogobot.com >> /etc/hosts
 - echo ${server_name} > /etc/hostname
 - hostname ${server_name}
 - [ cloud-init-per, once, data-store, mkfs.ext4, /dev/xvdb ]

mounts:
- [ xvdb, /mnt, ext4 ]
- [ ephemeral0, /eph0, auto, "defaults,noexec" ]
- [ ephemeral1, none, swap ]

preserve_hostname: true

EOF)

ec2-run-instances --region $region \
    -b "/dev/sdb=:100:true" \
    -b "/dev/sdj=ephemeral0" -b "/dev/sdk=ephemeral1" \
    --user-data "${USERDATA}" \
    --group GROUP_ID \
    --key KEY_NAME \
    --instance-type c3.2xlarge \
    --availability-zone "${region}b" \
    $ami

echo "Input the instance id: "
read instance_id

ec2-create-tags ${instance_id} --tag "Name=${server_name}"

ec2-allocate-address

echo "Input the ip address: "
read ip_address

ec2-associate-address -i ${instance_id} ${ip_address}