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Help Center/ Resource Formation Service/ API Reference/ API/ Stacks/ Continuing to Roll Back a Stack

Continuing to Roll Back a Stack

Updated on 2024-12-12 GMT+08:00

Function

ContinueRollbackStack

This API continues to roll back an existing stack.

If auto-rollback is enabled for a stack, the stack automatically rolls back when its deployment fails. However, the auto-rollback may fail. You can troubleshoot the issues based on the error message and then call ContinueRollbackStack to trigger the continuation of the rollback, which means retrying rollback.

  • If the stack is in the ROLLBACK_FAILED state, indicating that it can be rolled back, 202 and deploymentId are returned. Otherwise, the stack cannot be rolled back and a response error code is returned.

  • The continuation of rollback may also fail. If it fails, you can obtain the corresponding logs by calling ListStackEvents and troubleshoot the issues. Once the issues are resolved, you can call ContinueRollbackStack again to trigger the rollback.

URI

POST /v1/{project_id}/stacks/{stack_name}/rollbacks

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

A project ID is obtained by calling an API or from the console.

Obtaining a Project ID

stack_name

Yes

String

A stack name is unique within its domain (domain_id), region, and project (project_id). It is case-sensitive and starts with a letter. Only letters, digits, underscores (_), and hyphens (-) are allowed.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

Client-Request-Id

Yes

String

A unique request ID is specified by a user to locate a request. UUID is recommended.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

stack_id

No

String

Unique stack ID.

It is a UUID generated by RFS when a stack is created.

Stack names are unique at one specific time, so you can create a stack named HelloWorld and another stack with the same name after deleting the first one.

For parallel development, team members may want to ensure that they are operating the stack they created, not one with the same name created by other members after deleting the previous one.

To avoid this mismatch, check the ID, since RFS ensures each stack has a unique ID that does not change with updates. If the stack_id value differs from the current stack ID, 400 is returned.

Response Parameters

Status code: 202

Table 4 Response body parameters

Parameter

Type

Description

deployment_id

String

Unique ID of the deployment triggered by continuing rollback. The ID is generated by RFS and is usually a UUID.

Rollback request is accepted by RFS and will be processed asynchronously. You can call GetStackMetadata to query the rollback status for the stack.

Note:

  • RFS queues these asynchronous rollback requests and processes them in order when the sever is idle. The maximum waiting time for each rollback is 6 hours.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 6 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 8 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 403

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 10 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 404

Table 11 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 12 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 409

Table 13 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 14 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 429

Table 15 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 16 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Status code: 500

Table 17 Response body parameters

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

encoded_authorization_message

String

The message contains information about unauthorized requests.

details

Array of Detail objects

Detailed error messages returned by service when permission is denied.

Table 18 Detail

Parameter

Type

Description

error_code

String

Response code.

error_msg

String

Response message.

Example Requests

  • Continue to roll back a stack.

    POST https://{endpoint}/v1/ba2b9930c977f71edaeaa3a5e96a8ff1/stacks/my_hello_world_stack/rollbacks
  • Continue to roll back a stack and check whether the provided stack ID matches the current stack.

    POST https://{endpoint}/v1/ba2b9930c977f71edaeaa3a5e96a8ff1/stacks/my_hello_world_stack/rollbacks
    
    {
      "stack_id" : "8592967b-18b0-421b-b6c1-079c9ded3931"
    }

Example Responses

Status code: 202

The request is accepted. The stack continues to roll back.

{
  "deployment_id" : "8592967b-18b0-421b-b6c1-079c9ded3931"
}

Status Codes

Status Code

Description

202

The request is accepted. The stack continues to roll back.

400

Invalid request.

401

Authentication failed.

403

  1. Invalid stack status.

  2. The user does not have the permission to call this API.

404

The stack does not exist.

409

Request conflict. Another request is being processed on the current stack.

429

Too frequent requests.

500

Internal server error.

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