This is the new Amazon CloudFormation Template Reference Guide. Please update your bookmarks and links. For help getting started with CloudFormation, see the Amazon CloudFormation User Guide.
AWS::EC2::LaunchTemplate BlockDeviceMapping
Specifies a block device mapping for a launch template. You must specify DeviceName
         plus exactly one of the following properties: Ebs, NoDevice, or VirtualName.
BlockDeviceMapping is a property of  AWS::EC2::LaunchTemplate LaunchTemplateData.
Syntax
To declare this entity in your Amazon CloudFormation template, use the following syntax:
JSON
{ "DeviceName" :String, "Ebs" :Ebs, "NoDevice" :String, "VirtualName" :String}
YAML
DeviceName:StringEbs:EbsNoDevice:StringVirtualName:String
Properties
DeviceName- 
                    
The device name (for example, /dev/sdh or xvdh).
Required: No
Type: String
Update requires: No interruption
 Ebs- 
                    
Parameters used to automatically set up EBS volumes when the instance is launched.
Required: No
Type: Ebs
Update requires: No interruption
 NoDevice- 
                    
To omit the device from the block device mapping, specify an empty string.
Required: No
Type: String
Update requires: No interruption
 VirtualName- 
                    
The virtual device name (ephemeralN). Instance store volumes are numbered starting from 0. An instance type with 2 available instance store volumes can specify mappings for ephemeral0 and ephemeral1. The number of available instance store volumes depends on the instance type. After you connect to the instance, you must mount the volume.
Required: No
Type: String
Update requires: No interruption
 
See also
- 
                    
Block device mappings in the Amazon EC2 User Guide.