You can call this operation to create a stack instance in a specified account within a region.

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 CreateStackInstances

The operation that you want to perform. Set the value to CreateStackInstances.

AccountIds Json Yes ["12****"]

The list of target account IDs, in JSON format. A maximum of 20 IDs can be specified.

ParameterOverrides.N.ParameterKey String Yes Amount

The name of override parameter N. If the name and value of the parameter are not specified, the name and value specified during stack group creation are used.

Maximum value of N: 200.

Note The ParameterOverrides parameter is optional. If ParameterOverrides is specified, ParameterOverrides.N.ParameterKey is required.
ParameterOverrides.N.ParameterValue String Yes 1

The value of override parameter N. If the name and value of the parameter are not specified, the name and value specified during stack group creation are used.

Maximum value of N: 200.

Note The ParameterOverrides parameter is optional. If ParameterOverrides is specified, ParameterOverrides.N.ParameterValue is required.
RegionId String Yes cn-hangzhou

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

RegionIds Json Yes ["cn-hangzhou", "cn-beijing"]

The list of target regions, in JSON format. A maximum of 20 accounts can be specified.

StackGroupName String Yes MyStackGroup

The name of the stack group. The name must be unique in a region.

The name can be up to 255 characters in length and can contain digits, letters, hyphens (-), and underscores (_). It must start with a digit or letter.

ClientToken String No 123e4567-e89b-12d3-a456-42665544****

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests.

The token can be up to 64 characters in length and can contain letters, digits, hyphens (-), and underscores (_).

For more information, see How to ensure idempotence.

OperationDescription String No Create stack instances in hangzhou and beijing

The description of the operation.

The description must be 1 to 256 characters in length.

OperationPreferences Json No {"FailureToleranceCount": 1, "MaxConcurrentCount": 2}

The operation settings, in JSON format. The following fields are supported:

  • FailureToleranceCount

The maximum number of stack group operation failures that can occur. In a stack group operation, if the total number of failures does not exceed the FailureToleranceCount value, the operation succeeds. Otherwise, the operation fails.

If the FailureToleranceCount parameter is not specified, the default value 0 is used. You can specify one of FailureToleranceCount or FailureTolerancePercentage, but you cannot specify both of them.

Valid values: 0 to 20.

  • FailureTolerancePercentage

The percentage of stack group operation failures that can occur. In a stack group operation, if the percentage of failures does not exceed the FailureTolerancePercentage value, the operation succeeds. Otherwise, the operation fails.

You can specify one of FailureToleranceCount or FailureTolerancePercentage, but you cannot specify both of them.

Valid values: 0 to 100.

  • MaxConcurrentCount

The maximum number of accounts in which to perform this operation at one time.

You can specify one of MaxConcurrentCount or MaxConcurrentPercentage, but you cannot specify both of them.

Valid values: 1 to 20.

  • MaxConcurrentPercentage

The maximum percentage of accounts in which to perform this operation at one time.

You can specify one of MaxConcurrentCount or MaxConcurrentPercentage, but you cannot specify both of them.

Valid values: 1 to 100.

Response parameters

Parameter Type Example Description
OperationId String 6da106ca-1784-4a6f-a7e1-e723863d****

The ID of the operation.

RequestId String 14A07460-EBE7-47CA-9757-12CC4761D47A

The ID of the request.

Examples

Sample requests

http(s)://ros.aliyuncs.com/? Action=CreateStackInstances
&AccountIds=["12****"]
&ParameterOverrides.1.ParameterKey=Amount
&ParameterOverrides.1.ParameterValue=1
&RegionId=cn-hangzhou
&RegionIds=["cn-hangzhou", "cn-beijing"]
&StackGroupName=MyStackGroup
&<Common request parameters>

Sample success responses

XML format

<CreateStackInstancesResponse>
          <RequestId>14A07460-EBE7-47CA-9757-12CC4761D47A</RequestId>
          <OperationId>6da106ca-1784-4a6f-a7e1-e723863d****</OperationId>
</CreateStackInstancesResponse>

JSON format

{
    "RequestId": "14A07460-EBE7-47CA-9757-12CC4761D47A",
    "OperationId": "6da106ca-1784-4a6f-a7e1-e723863d****"
}

Error codes

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

Error code

Error message

HTTP status code

Description

StackInstanceExists

The StackInstance ({instance}) already exists.

409

The error message returned because the stack group has a stack instance in the specified account and region. instance indicates the account and region of the destination stack.

StackGroupOperationInProgress

Another Operation on StackGroup ({name}) is in progress.

409

The error message returned because the stack group has an ongoing operation in progress. name indicates the stack group name.