add ebs volumes to ec2 with salt cloud

 ec2_private_linux:
  provider: nonpod-us-east-1
  tag: {'Engagement': '80000', 'Owner': 'Tim Dunphy', 'Name': 'production'}
  image: ami-50d8ed47
  rename_on_destroy: True
  size: c4.large
  ssh_username: root
  network_interfaces:
     - DeviceIndex: 0
       SubnetId: subnet-b9273ae0
       PrivateIpAddresses:
         - Primary: True
       #auto assign public ip (not EIP)
       AssociatePublicIpAddress: False
  volumes:
    - { size: 120, device: /dev/xvda, type: gp2 }
    - { size: 10, device: /dev/xvdg, type: gp2 }
    - { size: 10, device: /dev/xvdh, type: gp2 }