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 isUnauthorizedOperation
.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. -
http-endpoint
- Indicates whether the HTTP metadata endpoint on your instances is enabled (enabled
|disabled
). -
http-protocol-ipv4
- Indicates whether the IPv4 endpoint for the instance metadata service is enabled (enabled
|disabled
). -
host-resource-group-arn
- The ARN of the host resource group in which to launch the instances. -
http-tokens
- The state of token usage for your instance metadata requests (optional
|required
). -
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. -
license-configuration-arn
- The ARN of the license configuration. -
network-card-index
- The index of the network card. -
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, but not both.
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 name or the launch template ID, but not both.
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 request. 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
- ResolveAlias
-
If
true
, and if a Systems Manager parameter is specified forImageId
, the AMI ID is displayed in the response forimageId
.If
false
, and if a Systems Manager parameter is specified forImageId
, the parameter is displayed in the response forimageId
.For more information, see Use a Systems Manager parameter instead of an AMI ID in the Amazon EC2 User Guide.
Default:
false
Type: Boolean
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 error codes.
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: