SignalResource - Resource Orchestration Service - Alibaba Cloud Documentation Center

Sends a signal to a resource in a stack.

Debugging

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

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ros:SignalResource	update	stack acs:ros:{#regionId}:{#accountId}:stack/{#stackId}	none	none

Request syntax

POST /V2/SignalResource
GET /V2/SignalResource

Request parameters

Parameter	Type	Required	Description	Example
StackId	string	Yes	The ID of the stack.	4a6c9851-3b0f-4f5f-b4ca-a14bf691****
Status	string	Yes	The status of the signal. Failure signals can cause stack creation or update to fail. If all signals are warnings, the stack cannot be created or updated. Valid values: SUCCESS FAILURE WARNING	SUCCESS
RegionId	string	Yes	The region ID of the stack. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
UniqueId	string	Yes	The unique ID of the signal. The ID must be 1 to 64 characters in length. If multiple signals are sent to a single resource, each signal must have a unique ID.	27c7347b-352a-4377-accf-63d361c1****
ClientToken	string	No	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.	123e4567-e89b-12d3-a456-42665544****
LogicalResourceId	string	Yes	The logical ID of the resource as defined in the template.	WebServer

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	B288A0BE-D927-4888-B0F7-B35EF84B6E6

Examples

Sample success responses

JSONformat

{
  "RequestId": "B288A0BE-D927-4888-B0F7-B35EF84B6E6"
}

Error codes

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

Change history

Change time	Summary of changes	Operation
2023-08-15	The internal configuration of the API is changed, but the call is not affected	View Change Details