LaunchTemplateSpecification - Amazon EC2 Auto Scaling
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LaunchTemplateSpecification

Describes the Amazon EC2 launch template and the launch template version that can be used by an Auto Scaling group to configure Amazon EC2 instances.

The launch template that is specified must be configured for use with an Auto Scaling group. For more information, see Creating a Launch Template for an Auto Scaling Group in the Amazon EC2 Auto Scaling User Guide.

Contents

LaunchTemplateId

The ID of the launch template. To get the template ID, use the Amazon EC2 DescribeLaunchTemplates API operation. New launch templates can be created using the Amazon EC2 CreateLaunchTemplate API.

You must specify either a template ID or a template name.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: No

LaunchTemplateName

The name of the launch template. To get the template name, use the Amazon EC2 DescribeLaunchTemplates API operation. New launch templates can be created using the Amazon EC2 CreateLaunchTemplate API.

You must specify either a template ID or a template name.

Type: String

Length Constraints: Minimum length of 3. Maximum length of 128.

Pattern: [a-zA-Z0-9\(\)\.-/_]+

Required: No

Version

The version number, $Latest, or $Default. To get the version number, use the Amazon EC2 DescribeLaunchTemplateVersions API operation. New launch template versions can be created using the Amazon EC2 CreateLaunchTemplateVersion API.

If the value is $Latest, Amazon EC2 Auto Scaling selects the latest version of the launch template when launching instances. If the value is $Default, Amazon EC2 Auto Scaling selects the default version of the launch template when launching instances. The default value is $Default.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: