You can call this operation to query one or more available launch templates.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeLaunchTemplates

The operation that you want to perform. Set the value to DescribeLaunchTemplates.
RegionId String Yes cn-hangzhou

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

TemplateTag.N.Key String No TestKey

The key of tag N of the launch template. Valid values of N: 1 to 20.

If a single tag is specified to query resources, up to 1,000 resources that are bound with this tag can be displayed in the response. If multiple tags are specified to query resources, up to 1,000 resources that are bound with all these tags can be displayed in the response. To query more than 1,000 resources that are bound with specified tags, call the ListTagResources operation.

TemplateTag.N.Value String No TestValue

The value of tag N of the launch template. Valid values of N: 1 to 20.
LaunchTemplateId.N RepeatList No lt-m5e3ofjr1zn1aw7q****

The IDs of one or more launch templates. You can specify a maximum of 100 launch template IDs. You must specify the LaunchTemplateId parameter or the LaunchTemplateName parameter to determine a launch template.

LaunchTemplateName.N RepeatList No wd-152630748****

The names of one or more launch templates. You can specify a maximum of 100 launch template names.

PageNumber Integer No 1

The number of the page to return. Pages start from page 1.

Default: 1
PageSize Integer No 10

The number of entries to return on each page.

Default value: 10
TemplateResourceGroupId String No rg-acfmxazb4p****

The ID of the resource group to which the launch template belongs. If this parameter is specified to query resources, up to 1,000 resources that belong to the specified resource group can be displayed in the response.

Response parameters

Parameter Type Example Description
LaunchTemplateSets Array of LaunchTemplateSet

Details about the launch templates.
LaunchTemplateSet
CreateTime String 2018-05-14T14:18:00Z

The time when the launch template was created.
CreatedBy String 1234567890

The creator of the launch template.
DefaultVersionNumber Long 1

The default version number of the launch template.
LatestVersionNumber Long 1

The latest version number of the launch template.
LaunchTemplateId String lt-m5e3ofjr1zn1aw7q****

The ID of the launch template.
LaunchTemplateName String wd-152630748****

The name of the launch template.
ModifiedTime String 2018-05-14T14:18:00Z

The time when the launch template was modified.
ResourceGroupId String rg-acfmxazb4p****

The ID of the resource group to which the launch template belongs.
Tags Array of Tag

The tags of the launch template.
Tag
TagKey String TestKey

The tag key of the launch template.
TagValue String TestValue

The tag value of the launch template.
PageNumber Integer 1

The page number of the returned page.
PageSize Integer 10

The number of entries returned per page.
RequestId String 04F0F334-1335-436C-A1D7-6C044FE12CBA

The ID of the request.
TotalCount Integer 1

The total number of launch templates.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=DescribeLaunchTemplates
&RegionId=cn-hangzhou
&TemplateTag.1.Key=TestKey
&TemplateTag.1.Value=TestValue
&LaunchTemplateId.1=lt-m5e3ofjr1zn1aw7q****
&LaunchTemplateName.1=wd-152630748****
&PageNumber=1
&PageSize=10
&TemplateResourceGroupId=rg-acfmxazb4p****
&<Common request parameters>

Sample success responses

XML format 

<DescribeLaunchTemplatesResponse>
      <RequestId>04F0F334-1335-436C-A1D7-6C044FE12CBA</RequestId>
      <TotalCount>1</TotalCount>
      <PageNumber>1</PageNumber>
      <PageSize>10</PageSize>
      <LaunchTemplateSets>
            <LaunchTemplateSet>
                  <CreateTime>2018-05-14T14:18:00Z</CreateTime>
                  <ModifiedTime>2018-05-14T14:18:00Z</ModifiedTime>
                  <LaunchTemplateid>lt-m5e3ofjr1zn1aw7****</LaunchTemplateid>
                  <LaunchTemplateName>wd-152630748****</LaunchTemplateName>
                  <DefaultVersionNumber>1</DefaultVersionNumber>
                  <LatestVersionNumber>1</LatestVersionNumber>
                  <CreatedBy>194211134971****</CreatedBy>
            </LaunchTemplateSet>
      </LaunchTemplateSets>
</DescribeLaunchTemplatesResponse>

JSON format 

{
    "RequestId": "04F0F334-1335-436C-A1D7-6C044FE12CBA",
    "TotalCount": 1,
    "PageNumber": 1,
    "PageSize": 10,
    "LaunchTemplateSets": {
        "LaunchTemplateSet": [
            {
                "LaunchTemplateName": "wd-152630748****",
                "CreatedBy": "194211134971****",
                "ModifiedTime": "2018-05-14T14:18:00Z",
                "LatestVersionNumber": 1,
                "CreateTime": "2018-05-14T14:18:00Z",
                "LaunchTemplateId": "lt-m5e3ofjr1zn1aw7q****",
                "DefaultVersionNumber": 1
            }
        ]
    }
}

Error codes

HTTP status code Error code Error message Description
400 InvalidRegion.NotExist %s The error message returned because the specified RegionId parameter does not exist.
400 MissingParameter %s The error message returned because a required parameter is not specified.
400 InvalidParameter %s The error message returned because a specified parameter is invalid.
403 InnerServiceFailed %s The error message returned because an internal service failed to be called.

For a list of error codes, visit the API Error Center.