Provision AWS Ubuntu AMI for packer.io with amazon-instance builder. If you have Problems with ec2-ami-tools: "ec2-bundle-vol command not found".

amazon-instance-packer.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": ""
  },
  "builders": [{
    "type": "amazon-instance",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "account_id": "<<YOUR_ACCOUNT_ID>>",
    "x509_cert_path": "<<YOUR_X509_CERT>>",
    "x509_key_path": "<<YOUR_X509_KEY>>",
    "region": "us-east-1",
    "source_ami": "ami-de0d9eb7",
    "instance_type": "t1.micro",
    "ssh_username": "ubuntu",
    "ami_name": "packer-example {{timestamp}}",
    "s3_bucket": "<<YOUR_S3_BUCKET>>"
  }],
  "provisioners": [{
    "type": "shell",
    "inline": [
      "sleep 30",
      "sudo apt-get update",
      "sudo apt-get install -y unzip",
      "sudo apt-get install -y ruby",
      "sudo apt-get install -y kpartx",
      "wget http://s3.amazonaws.com/ec2-downloads/ec2-ami-tools-1.5.7.zip",
      "unzip ec2-ami-tools-1.5.7.zip",
      "sudo cp ec2-ami-tools-1.5.7/bin/* /usr/local/bin",
      "sudo cp -R ec2-ami-tools-1.5.7/lib/ec2 /usr/local/lib",
      "sudo cp -R ec2-ami-tools-1.5.7/etc/ec2 /usr/local/etc"
    ]
  }]
}