DescribeFlowlogs - Cloud Enterprise Network - Alibaba Cloud Documentation Center

Queries flow logs.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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
cen:DescribeFlowlogs	get	Flowlog `acs:cbn:{#regionId}:{#accountId}:flowlog/` *Flowlog `acs:cbn:{#regionId}:{#accountId}:flowlog/{#FlowLogId}`	none	none

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 it is unique among all requests. The 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 for each API request may be different.	123e4567-e89b-12d3-a456-42665544****
RegionId	string	No	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
FlowLogName	string	No	The name of the flow log. The name is optional. If you enter a name, it must be 1 to 128 characters in length, and cannot start with http:// or https://.	myFlowlog
FlowLogId	string	No	The ID of the flow log.	flowlog-m5evbtbpt****
Description	string	No	The description of the flow log. The description is optional. If you enter a description, it must be 1 to 256 characters in length, and cannot start with http:// or https://.	myFlowlog
CenId	string	No	The ID of the Cloud Enterprise Network (CEN) instance.	cen-7qthudw0ll6jmc****
ProjectName	string	No	The name of the project where the flow log is stored. The name must be 3 to 63 characters in length, and can contain lowercase letters, digits, and hyphens (-). It must start or end with a lowercase letter or a digit.	FlowLogProject
LogStoreName	string	No	The name of the Logstore where the flow log is stored. The name must be 3 to 63 characters in length, and can contain lowercase letters, digits, underscores (_), and hyphens (-). It must start or end with a lowercase letter or a digit.	FlowLogStore
Status	string	No	The status of the flow log. Valid values: Active: The flow log is enabled. Inactive: The flow log is disabled.	Active
PageNumber	integer	No	The page number of the page to return. Default value: 1.	1
PageSize	integer	No	The number of entries per page. Minimum value: 1. Default value: 20.	20
Tag	array<object>	No	The information about the tags. You can specify at most 20 tags in each call.
	object	No
Key	string	No	The tag key. The tag key cannot be an empty string. The tag key can be up to 64 characters in length and cannot start with `acs:` or `aliyun`. It cannot contain `http://` or `https://`. You can specify at most 20 tag keys.	TagKey
Value	string	No	The tag value. The tag value can be 0 to 128 characters in length, and cannot start with `aliyun` or `acs:`. It cannot contain `http://` or `https://`. Each tag key must have a unique tag value. You can specify at most 20 tag values in each call.	TagValue
TransitRouterAttachmentId	string	No	The ID of the network instance connection.	tr-attach-qieks13jnt1cchy****
TransitRouterId	string	No	The ID of the transit router.	tr-uf654ttymmljlvh2x****
Interval	integer	No	The time window for collecting log data. Unit: seconds Valid values: 60 or 600 Default value: 600.	600
FlowLogVersion	string	No	The flow log version. Flow logs are automatically created in the latest version, which is 3.	3

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
PageSize	string	The number of entries returned per page.	20
PageNumber	string	The page number of the returned page.	1
RequestId	string	The ID of the request.	F7DDDC17-FA06-4AC2-8F35-59D2470FCFC1
TotalCount	string	The total number of entries returned.	1
Success	string	Indicates whether the call is successful. Valid values: true: yes false: no	true
FlowLogs	array<object>	The information about the flow log.
FlowLog	object	The information about the flow log.
Status	string	The status of the flow log. Valid values: Active: The flow log is enabled. Inactive: The flow log is disabled.	Active
CreationTime	string	The time when the flow log was created. The time follows the ISO 8601 standard in the YYYY-MM-DDThh:mm:ssZ format. The time is displayed in UTC.	2021-07-24T13:00:52Z
FlowLogName	string	The name of the flow log.	myFlowlog
Description	string	The description of the flow log.	myFlowlog
ProjectName	string	The name of the project that stores the captured traffic data.	FlowLogProject
CenId	string	The ID of the Cloud Enterprise Network (CEN) instance.	cen-7qthudw0ll6jmc****
LogStoreName	string	The Logstore that stores the captured traffic data.	FlowLogStore
RegionId	string	The region ID of the flow log.	cn-hangzhou
FlowLogId	string	The ID of the flow log.	flowlog-m5evbtbpt****
TransitRouterAttachmentId	string	The ID of the network instance connection	tr-attach-5x4o4ynzuqbv6g****
TransitRouterId	string	The ID of the transit router.	tr-bp1g9313sx675zr1lajmj
LogFormatString	string	The string that defines the format of the flow log. Format: `${Field 1}${Field 2}${Field 3}`	${srcaddr}${dstaddr}${bytes}
FlowLogVersion	string	The flow log version. Flow logs are automatically created in the latest version, which is 3.	3
Interval	long	The time window for collecting log data. Unit: seconds. Valid values: 60 or 600 Default value: 600.	60
Tags	array<object>	The tags.
Tag	object	Tag N to add to the instance.
Key	string	The tag key.	TagKey
Value	string	The tag value.	TagValue

Examples

Sample success responses

JSONformat

{
  "PageSize": "20",
  "PageNumber": "1",
  "RequestId": "F7DDDC17-FA06-4AC2-8F35-59D2470FCFC1",
  "TotalCount": "1",
  "Success": "true",
  "FlowLogs": {
    "FlowLog": [
      {
        "Status": "Active",
        "CreationTime": "2021-07-24T13:00:52Z",
        "FlowLogName": "myFlowlog",
        "Description": "myFlowlog",
        "ProjectName": "FlowLogProject",
        "CenId": "cen-7qthudw0ll6jmc****",
        "LogStoreName": "FlowLogStore",
        "RegionId": "cn-hangzhou",
        "FlowLogId": "flowlog-m5evbtbpt****",
        "TransitRouterAttachmentId": "tr-attach-5x4o4ynzuqbv6g****",
        "TransitRouterId": "tr-bp1g9313sx675zr1lajmj",
        "LogFormatString": "${srcaddr}${dstaddr}${bytes}",
        "FlowLogVersion": "3",
        "Interval": 60,
        "Tags": {
          "Tag": [
            {
              "Key": "TagKey",
              "Value": "TagValue"
            }
          ]
        }
      }
    ]
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	OperationUnsupported.action	This action is not support.	The error message returned because this operation is not supported in the specified region.
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	IllegalParam.TagValue	The tag values are not valid.	The error message returned because the specified tag value is invalid.
400	IllegalParam.TagKey	The tag keys are not valid.	The error message returned because the specified tag key is invalid.
400	InvalidDescription	Description is invalid.	The error message returned because the description is invalid.
400	InvalidName	Name is invalid.	The error message returned because the specified name is invalid.
400	InvalidParameter.Interval	Interval is invalid.	The specified interval is invalid.
400	InvalidParameter.FlowLogVersion	Flowlog version is invalid.	The specified flowlog version is invalid.
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
2024-11-14	The Error code has changed. The request parameters of the API has changed	View Change Details
2024-05-22	The Error code has changed. The response structure of the API has changed	View Change Details
2023-12-13	The Error code has changed	View Change Details
2023-01-09	The Error code has changed. The response structure of the API has changed	View Change Details
2022-12-02	The Error code has changed. The request parameters of the API has changed	View Change Details
2022-09-14	The Error code has changed	View Change Details
2022-09-14	The Error code has changed	View Change Details