Resource Orchestration Service:ContinueCreateStack - Resource Orchestration Service - Alibaba Cloud - Resource Orchestration Service

Continues to create a stack after the stack fails to be created.

Operation description

This topic provides an example on how to continue to create a stack after the stack fails to be created. In this example, the stack whose ID is 4a6c9851-3b0f-4f5f-b4ca-a14bf691**** is created in the China (Hangzhou) region.

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Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.
API: The API that you can call to perform the action.
Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.
Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.
- For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.
- For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.
Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.
Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

ros:ContinueCreateStack

update

*All Resource

*

None

Request parameters

Parameter	Type	Required	Description	Example
StackId	string	Yes	The stack ID.	4a6c9851-3b0f-4f5f-b4ca-a14bf691****
RegionId	string	Yes	The region ID of the stack. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
RamRoleName	string	No	The name of the RAM role. Resource Orchestration Service (ROS) assumes the RAM role to create the stack and uses the credentials of the role to call the APIs of Alibaba Cloud services. ROS assumes the RAM role to perform operations on the stack. If you have permissions to perform operations on the stack but do not have permissions to use the RAM role, ROS still assumes the RAM role. You must make sure that the least privileges are granted to the RAM role. If you do not specify this parameter, ROS assumes the existing role that is associated with the stack. If no roles are available, ROS uses a temporary credential that is generated from the credentials of your account. The name of the RAM role can be up to 64 bytes in length.	test-role
Mode	string	No	The mode in which ROS continues to create the stack. Valid values: Recreate (default) If you set this parameter to Recreate, ROS continues to create only the following types of resources: Resources that fail to be created Resources that you specify for RecreatingResources.N Dependencies of the resources that you specify for RecreatingResources.N Resources that you have not created Note RecreatingResources.N, TemplateBody, TemplateURL, and Parameters take effect only when Mode is set to Recreate. Ignore ROS ignores and discards resources that fail to be created and you have not created, and considers that the stack is successfully created. The body of the template that you use to create the stack is changed. Note This mode is available only for ROS stacks.	Recreate
TemplateBody	string	No	The structure that contains the template body. The template body must be 1 to 524,288 bytes in length. If the length of the template body exceeds the upper limit, we recommend that you add parameters to the HTTP POST request body to prevent request failures caused by excessively long URLs. A ROS template is subject to the following limits: You can modify only the following sections in the template: Description, Metadata, Resources, and Outputs. You cannot add sections to or remove sections from the template. The Resources section is subject to the following limits: You cannot delete the resources or change the template body for the resources that you do not want to continue to create. You can delete the resources or change the template body for the resources that you want to continue to create. You can add resources to this section. Note This parameter takes effect only when Mode is set to Recreate. You can specify only one of the following parameters: TemplateBody, TemplateURL, and TemplateId. If you do not specify the parameters, the existing template is used.	{"ROSTemplateFormatVersion": "2015-09-01"}
TemplateURL	string	No	The URL of the file that contains the template body. The URL must point to a template that is located on an HTTP or HTTPS web server or in an Object Storage Service (OSS) bucket, such as oss://ros/template/demo or oss://ros/template/demo?RegionId=cn-hangzhou. The template body can be up to 524,288 bytes in length. If you do not specify the region ID of the OSS bucket, the value of RegionId is used. Note This parameter takes effect only when Mode is set to Recreate. When you specify TemplateURL of a template, the template is subject to the limits that are described for TemplateBody in this topic. You can specify only one of the following parameters: TemplateBody, TemplateURL, and TemplateId. If you do not specify the parameters, the existing template is used.	oss://ros-template/demo
DryRun	boolean	No	Specifies whether only to validate the stack in the request. Valid values: true: only validates the stack. false (default): validates and continues to create the stack.	false
TemplateId	string	No	The template ID. This parameter applies to shared and private templates. Note This parameter takes effect when `Mode` is set to `Recreate`. When you specify TemplateId of a template, the template is subject to the limits that are described for `TemplateBody` in this topic. You can specify only one of the following parameters: `TemplateBody`, `TemplateURL`, and `TemplateId`. If you do not specify the parameters, the existing template is used.	5ecd1e10-b0e9-4389-a565-e4c15efc****
TemplateVersion	string	No	The version of the template. This parameter takes effect only when TemplateId is specified.	v1
RecreatingResources	array	No	The resources that ROS continues to create after the resources failed to be created. You can add new resources to the resources that ROS continues to create. ROS continues to create all dependencies of the new resources. Note This parameter is available only for ROS stacks.	WebServer
	string	No	The resource that ROS continues to create after the resource failed to be created. You can add new resources to the resources that ROS continues to create. ROS continues to create all dependencies of the new resources. Note This parameter is available only for ROS stacks.	WebServer
Parameters	array<object>	No	The template parameters that you want to use to override specific parameters.
	object	No
ParameterKey	string	Yes	The name of template parameter N that you want to use to override a specific parameter. If you do not specify the name and value of a template parameter, ROS uses the name and value specified in the previous operation that was performed to create the stack. Maximum value of N: 200. Note This parameter takes effect only when Mode is set to Recreate.	Amount
ParameterValue	string	Yes	The value of template parameter N that you want to use to override a specific parameter. Maximum value of N: 200. For ROS stacks, the template parameters that you use to override specific parameters are subject to the following limits: You cannot change the condition values in the Conditions section of a template from true to false or from false to true. The template parameters can be referenced only by resources that ROS continues to create. Note This parameter takes effect only when Mode is set to Recreate.	12
Parallelism	integer	No	The maximum number of concurrent operations that can be performed on resources. By default, this parameter is empty. You can set this parameter to an integer that is greater than or equal to 0. Note If you set this parameter to an integer that is greater than 0, the integer is used. If you set this parameter to 0, no limit is imposed on ROS stacks. However, the default value in Terraform is used for Terraform stacks. In most cases, the default value in Terraform is 10. If you leave this parameter empty, the value that you specified for this parameter in the previous request is used. If you left this parameter empty in the previous request, no limit is imposed on ROS stacks. However, the default value in Terraform is used for Terraform stacks. In most cases, the default value in Terraform is 10. If you set this parameter to a specific value, ROS associates the value with the stack. The value affects subsequent operations on the stack.	1
RecreatingOptions	array	No	The options that ROS adopts when ROS continues to create the stack.
	string	No	The option that ROS adopts when ROS continues to create the stack. This parameter takes effect when `Mode` is set to `Recreate`. Valid values: TryToFixSignalFailureByRerunEcsCommand: ROS tries to fix existing signals of the FAILURE type. When ALIYUN::ROS::WaitCondition resources fail to be created, ROS uses the associated and created ALIYUN::ECS::RunCommand and ALIYUN::ECS::Invocation resources and the relevant dependencies to recreate the ALIYUN::ROS::WaitCondition resources. Note This value is valid only for ROS stacks. IgnoreExistingSignalFailure: ROS ignores existing signals of the FAILURE type. If ALIYUN::ROS::WaitCondition resources fail to be created, the resources are successfully created when ROS continues to create the stack. Note This value is valid only for ROS stacks. AutoRecreatingResources: ROS automatically recreates the resources whose template content or referenced parameters are modified and the relevant dependencies. This option facilitates the configurations of RecreatingResources.N. However, unnecessary resources may also be recreated. Note This value is valid only for ROS stacks. CreateNewPrepaidInstance: ROS creates a new subscription instance if subscription resources fail to be created, or if you use ROS to recreate subscription resources that are successfully created. Note This value is valid only for ROS stacks. If a subscription instance is already created, ROS retains the subscription instance because subscription resources cannot be deleted. If you do not set RecreatingOptions.N to CreateNewPrepaidInstance, ROS tries to reuse an existing instance. If ROS reuses the instance, you cannot modify the resource properties, or you can modify only a small number of resource properties.	CreateNewPrepaidInstance

For more information about common request parameters, see Common parameters.

Response elements

Element	Type	Description	Example
	object
RequestId	string	The request ID.	B288A0BE-D927-4888-B0F7-B35EF84B6E6
StackId	string	The stack ID.	4a6c9851-3b0f-4f5f-b4ca-a14bf691****
DryRunResult	object	The validation result.
ParametersAllowedToBeModified	array	The parameters that can be modified.
	string	The parameter that can be modified. The operation that is performed to modify the parameters does not cause a validation error. Note This parameter is returned only if DryRun is set to `true`. The value of ParametersAllowedToBeModified varies based on the values of Mode, Template*, RecreatingResources.N, and RecreatingOptions.N.	description
ParametersConditionallyAllowedToBeModified	array	The parameters that can be modified under specific conditions.
	string	The parameter that can be modified under specific conditions. The new values of the parameters determine whether the operation that is performed to modify the parameters causes a validation error. Note This parameter is returned only if DryRun is set to `true`. The value of ParametersConditionallyAllowedToBeModified varies based on the values of Mode, Template*, RecreatingResources.N, and RecreatingOptions.N.	name
ParametersNotAllowedToBeModified	array	The parameters that cannot be modified.
	string	The parameter that cannot be modified. The operation that is performed to modify the parameters causes a validation error. Note This parameter is returned only if DryRun is set to `true`. The value of ParametersNotAllowedToBeModified varies based on the values of Mode, Template*, RecreatingResources.N, and RecreatingOptions.N.	cidr

Examples

Success response

JSON format

{
  "RequestId": "B288A0BE-D927-4888-B0F7-B35EF84B6E6",
  "StackId": "4a6c9851-3b0f-4f5f-b4ca-a14bf691****",
  "DryRunResult": {
    "ParametersAllowedToBeModified": [
      "description"
    ],
    "ParametersConditionallyAllowedToBeModified": [
      "name"
    ],
    "ParametersNotAllowedToBeModified": [
      "cidr"
    ]
  }
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.