Enables a flow log. After the flow log is enabled, the system collects traffic information about a specified resource.
Operation description
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After you create a flow log, it is enabled by default. You can call this operation to enable a disabled flow log.
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ActiveFlowLogis an asynchronous operation. After you send a request, the system returns a request ID and runs the task in the background. You can call theDescribeFlowlogsoperation to query the status of a flow log.- If a flow log is in the Modifying state, the flow log is being enabled. In this case, you can query the flow log but cannot perform other operations.
- If a flow log is in the Active state, the flow log is enabled.
Debugging
Authorization information
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| 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 make sure that the value is unique among different requests. The client token can contain only ASCII characters. Note
If you do not set this parameter, ClientToken is set to the value of RequestId. The value of RequestId may be different for each request.
| 123e4567-e89b-12d3-a456-42665544**** |
| RegionId | string | Yes | The ID of the region where the flow log is deployed. You can call the DescribeChildInstanceRegions operation to query the most recent region list. | cn-hangzhou |
| FlowLogId | string | Yes | The ID of the flow log. | flowlog-m5evbtbpt**** |
| CenId | string | Yes | The ID of the Cloud Enterprise Network (CEN) instance. | cen-7qthudw0ll6jmc**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"Success": "true",
"RequestId": "F7DDDC17-FA06-4AC2-8F35-59D2470FCFC1"
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 400 | ProjectOrLogstoreNotExist | The specified project or logstore does not exist. | The error message returned because the specified project or Logstore does not exist. |
| 400 | SourceProjectNotExist | The Source Project or logstore does not exist. | The error message returned because the specified source project or Logstore does not exist. |
| 400 | OperationUnsupported.action | This action is not support. | The error message returned because this operation is not supported in the specified region. |
| 400 | RuleExist | The rule has already existed. | The rule already exists. |
| 400 | QuotaExceeded.FlowlogCount | This user has reached the maximum instance number of flowlog. | The error message returned because the number of flow logs has reached the upper limit. |
| 400 | InvalidFlowlogId.exist | This cenId already has flowlog instance existed. | The error message returned because the specified CEN instance is already associated with a flow log. |
| 400 | InvalidFlowlogId.NotFound | The specified flowlog id does not exist or does not match the cen Id. | The error message returned because the specified flow log does not exist. |
| 400 | IncorrectStatus.flowlog | Invalid flowlog status. | The error message returned because the status of the flow log does not support this operation. Try again later. |
| 400 | IncorrectStatus.TrFlowlog | Flowlog status for specified TransitRouter is invalid for this operation. | Flowlog status for specified TransitRouter is invalid for this operation. |
| 400 | InvalidParameter | Invalid parameter. | The error message returned because the parameter is set to an invalid value. |
| 400 | Unauthorized | The AccessKeyId is unauthorized. | The error message returned because you do not have the permissions to perform this operation. |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|---|---|
| 2024-05-22 | The Error code has changed | View Change Details |