Amazon – Create Image

create-image
[--dry-run | --no-dry-run]
--instance-id 
--name 
[--description ]
[--no-reboot | --reboot]
[--block-device-mappings ]
[--cli-input-json ]
[--generate-cli-skeleton ]

http://docs.aws.amazon.com/cli/latest/reference/ec2/create-image.html