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Express Connect:ActivateFlowLog

Last Updated:Dec 04, 2025

Activates log delivery for a flow log.

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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

expressconnectrouter:ActivateFlowLog

create

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

EcrId

string

Yes

The ID of the Express Connect Router (ECR) instance.

ecr-mezk2idmsd0vx2****

DryRun

boolean

No

Specifies whether to perform a dry run. Valid values:

  • true: Performs a dry run to check the request. The system does not activate log delivery.

  • false (default): Sends the request.

true

ClientToken

string

No

A client token to ensure the idempotence of the request.

Generate a unique token on your client for each request. The token can contain only ASCII characters.

Note

If you do not specify this parameter, the system uses the RequestId as the ClientToken. The RequestId may be different for each request.

02fb3da4-130e-11e9-8e44-00****

FlowLogId

string

Yes

The ID of the flow log instance.

flowlog-m5evbtbpt****

Response elements

Element

Type

Description

Example

object

RpcResponse

RequestId

string

The request ID.

05130E79-588D-5C40-A718-C4863A59****

Success

boolean

Indicates whether the call was successful. Valid values:

  • True: The call was successful.

  • False: The call failed.

True

Code

string

The status code. A return value of 200 indicates that the call is successful. For more information about other return values, see the error codes.

200

Message

string

The response message.

OK

HttpStatusCode

integer

The HTTP status code.

200

DynamicCode

string

The dynamic error code.

IllegalParamFormat.EcrId

DynamicMessage

string

The dynamic error message. This message is used to replace the %s placeholder in the ErrMessage parameter.

Note

For example, if the ErrMessage parameter returns The Value of Input Parameter %s is not valid and the DynamicMessage parameter returns DtsJobId, it means the value of the DtsJobId parameter is invalid.

The param format of EcrId **** is illegal.

AccessDeniedDetail

string

The details about the access denial.

Authentication is failed for ****

Examples

Success response

JSON format

{
  "RequestId": "05130E79-588D-5C40-A718-C4863A59****",
  "Success": true,
  "Code": "200",
  "Message": "OK",
  "HttpStatusCode": 200,
  "DynamicCode": "IllegalParamFormat.EcrId\n",
  "DynamicMessage": "The param format of EcrId **** is illegal.\n",
  "AccessDeniedDetail": "Authentication is failed for ****\n"
}

Error codes

HTTP status code

Error code

Error message

Description

400 IncorrectStatus.Ecr Ecr Status does not allow current operation. The status of the express connect gateway instance does not allow the current operation. Currently, other operations are being performed or the express connect gateway instance is being deleted. Please try again later.
400 OperationDenied.ForceDeleting The current instance is being deleted. Your current operation is rejected and the leased line gateway instance is being forcibly deleted. Please try again later.
400 UnsupportedRegion Feature not supported in specified region. The specified region does not support the leased line gateway function.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.