DescribeLaunchTemplateVersions - Amazon Elastic Compute Cloud

DescribeLaunchTemplateVersions

Describes one or more versions of a specified launch template. You can describe all versions, individual versions, or a range of versions. You can also describe all the latest versions or all the default versions of all the launch templates in your account.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.

DryRun

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No

Filter.N

One or more filters.

  • create-time - The time the launch template version was created.

  • ebs-optimized - A boolean that indicates whether the instance is optimized for Amazon EBS I/O.

  • iam-instance-profile - The ARN of the IAM instance profile.

  • image-id - The ID of the AMI.

  • instance-type - The instance type.

  • is-default-version - A boolean that indicates whether the launch template version is the default version.

  • kernel-id - The kernel ID.

  • ram-disk-id - The RAM disk ID.

Type: Array of Filter objects

Required: No

LaunchTemplateId

The ID of the launch template. To describe one or more versions of a specified launch template, you must specify either the launch template ID or the launch template name in the request. To describe all the latest or default launch template versions in your account, you must omit this parameter.

Type: String

Required: No

LaunchTemplateName

The name of the launch template. To describe one or more versions of a specified launch template, you must specify either the launch template ID or the launch template name in the request. To describe all the latest or default launch template versions in your account, you must omit this parameter.

Type: String

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

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

Required: No

LaunchTemplateVersion.N

One or more versions of the launch template. Valid values depend on whether you are describing a specified launch template (by ID or name) or all launch templates in your account.

To describe one or more versions of a specified launch template, valid values are $Latest, $Default, and numbers.

To describe all launch templates in your account that are defined as the latest version, the valid value is $Latest. To describe all launch templates in your account that are defined as the default version, the valid value is $Default. You can specify $Latest and $Default in the same call. You cannot specify numbers.

Type: Array of strings

Required: No

MaxResults

The maximum number of results to return in a single call. To retrieve the remaining results, make another call with the returned NextToken value. This value can be between 1 and 200.

Type: Integer

Required: No

MaxVersion

The version number up to which to describe launch template versions.

Type: String

Required: No

MinVersion

The version number after which to describe launch template versions.

Type: String

Required: No

NextToken

The token to request the next page of results.

Type: String

Required: No

Response Elements

The following elements are returned by the service.

launchTemplateVersionSet

Information about the launch template versions.

Type: Array of LaunchTemplateVersion objects

nextToken

The token to use to retrieve the next page of results. This value is null when there are no more results to return.

Type: String

requestId

The ID of the request.

Type: String

Errors

For information about the errors that are common to all actions, see Common Client Errors.

Examples

Example 1

This example describes all versions of launch template lt-0a20c965061f64abc up to version 3.

Sample Request

https://ec2.amazonaws.com/?Action=DescribeLaunchTemplateVersions &LaunchTemplateId=lt-0a20c965061f64abc &MaxVersion=3 &AUTHPARAMS

Sample Response

<DescribeLaunchTemplateVersionsResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/"> <requestId>65cadec1-b364-4354-8ca8-4176dexample</requestId> <launchTemplateVersionSet> <item> <createTime>2017-10-31T11:38:52.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>true</defaultVersion> <launchTemplateData> <imageId>ami-8c1be5f6</imageId> <instanceType>t2.micro</instanceType> </launchTemplateData> <launchTemplateId>lt-0a20c965061f64abc</launchTemplateId> <launchTemplateName>MyLaunchTemplate</launchTemplateName> <versionDescription>FirstVersion</versionDescription> <versionNumber>1</versionNumber> </item> <item> <createTime>2017-10-31T11:52:03.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>false</defaultVersion> <launchTemplateData> <imageId>ami-12345678</imageId> </launchTemplateData> <launchTemplateId>lt-0a20c965061f64abc</launchTemplateId> <launchTemplateName>MyLaunchTemplate</launchTemplateName> <versionDescription>AMIOnlyv1</versionDescription> <versionNumber>2</versionNumber> </item> <item> <createTime>2017-10-31T11:55:15.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>false</defaultVersion> <launchTemplateData> <imageId>ami-aabbccdd</imageId> </launchTemplateData> <launchTemplateId>lt-0a20c965061f64abc</launchTemplateId> <launchTemplateName>MyLaunchTemplate</launchTemplateName> <versionDescription>AMIOnlyv2</versionDescription> <versionNumber>3</versionNumber> </item> </launchTemplateVersionSet> </DescribeLaunchTemplateVersionsResponse>

Example 2

This example describes all the latest versions of the launch templates in your account.

Sample Request

https://ec2.amazonaws.com/?Action=DescribeLaunchTemplateVersions &LaunchTemplateVersion.1=$Latest &AUTHPARAMS

Sample Response

<DescribeLaunchTemplateVersionsResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/"> <requestId>65cadec1-b364-4354-8ca8-4176dexample</requestId> <launchTemplateVersionSet> <item> <createTime>2020-01-31T11:38:52.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>true</defaultVersion> <launchTemplateData> <imageId>ami-8c1be5f6</imageId> <instanceType>t2.micro</instanceType> </launchTemplateData> <launchTemplateId>lt-1111111111EXAMPLE</launchTemplateId> <launchTemplateName>MyLaunchTemplate1</launchTemplateName> <versionDescription>FirstTemplate</versionDescription> <versionNumber>1</versionNumber> </item> <item> <createTime>2020-02-14T11:52:03.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>false</defaultVersion> <launchTemplateData> <imageId>ami-12345678</imageId> <instanceType>t2.micro</instanceType> </launchTemplateData> <launchTemplateId>lt-2222222222EXAMPLE</launchTemplateId> <launchTemplateName>MyLaunchTemplate2</launchTemplateName> <versionDescription>ThirdVersion</versionDescription> <versionNumber>3</versionNumber> </item> <item> <createTime>2020-03-03T11:55:15.000Z</createTime> <createdBy>arn:aws:iam::123456789012:root</createdBy> <defaultVersion>false</defaultVersion> <launchTemplateData> <imageId>ami-aabbccdd</imageId> <instanceType>t3.small</instanceType> </launchTemplateData> <launchTemplateId>lt-3333333333EXAMPLE</launchTemplateId> <launchTemplateName>MyLaunchTemplate3</launchTemplateName> <versionDescription>AMIOnlyv2</versionDescription> <versionNumber>2</versionNumber> </item> </launchTemplateVersionSet> </DescribeLaunchTemplateVersionsResponse>

See Also

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