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Elastic Compute Service:ModifyLaunchTemplateDefaultVersion

Last Updated:Mar 19, 2024

Changes the default version of a launch template. If you do not specify a version number for a launch template when you create instances by calling the RunInstances operation, the default version of the launch template is used.

Operation description

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

ParameterTypeRequiredDescriptionExample
RegionIdstringYes

The region ID of the launch template. You can call the DescribeRegions operation to query the most recent region list.

cn-hangzhou
LaunchTemplateIdstringNo

The ID of the launch template. You must specify the LaunchTemplateId or LaunchTemplateName parameter to determine an instance launch template.

lt-s-bp177juajht6****
LaunchTemplateNamestringNo

The name of the instance launch template. You must specify the LaunchTemplateId or LaunchTemplateName parameter to determine an instance launch template.

testLaunchTemplateName
DefaultVersionNumberlongYes

The default version number of the instance launch template.

2

Response parameters

ParameterTypeDescriptionExample
object
RequestIdstring

The ID of the request.

473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E
LaunchTemplateIdstring

The ID of the launch template. For more information, see DescribeLaunchTemplates . You must specify LaunchTemplateId or LaunchTemplateName to specify a launch template.

lt-bp1apo0bbbkuy0rj****

Examples

Sample success responses

JSONformat

{
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
  "LaunchTemplateId": "lt-bp1apo0bbbkuy0rj****"
}

Error codes

HTTP status codeError codeError messageDescription
400InvalidRegion.NotExist%sThe specified region does not exist.
400MissingParameter%sA parameter is not specified.
400InvalidParameter%sThe specified parameter is invalid.
403InnerServiceFailed%sAn internal service cannot be called.
404InvalidLaunchTemplate.NotFound%sThe specified launch template does not exist. Check whether the parameter value is correct.
404InvalidLaunchTemplateVersion.NotFound%sThe specified version of the launch template does not exist. Check whether the parameter values are correct.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-03-10The Error code has changed. The response structure of the API has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    delete Error Codes: 400
    delete Error Codes: 403
    delete Error Codes: 404
Output ParametersThe response structure of the API has changed.