Querying a Structuring Rule¶

Function¶

This API is used to query the structuring rule of a specified log stream.

URI¶

GET /v2/{project_id}/lts/struct/template

**Table 1** Path Parameters¶
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain a project ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum: 32 Maximum: 32

**Table 2** Query Parameters¶
Parameter	Mandatory	Type	Description
logGroupId	Yes	String	Log group ID. For details about how to obtain a log group ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum: 36 Maximum: 36
logStreamId	Yes	String	Log stream ID. For details about how to obtain a log stream ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum: 36 Maximum: 36

Request Parameters¶

**Table 3** Request header parameters¶
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token obtained from IAM. For details about how to obtain a user token, see Obtaining a User Token. Minimum: 1000 Maximum: 2000
Content-Type	Yes	String	Set this parameter to application/json;charset=UTF-8. Minimum: 30 Maximum: 30

Response Parameters¶

Status code: 200

**Table 4** Response body parameters¶
Parameter	Type	Description
demoFields	Array of StructFieldInfoReturn objects	Structured field.
tagFields	Array of tag_fields_info objects	Keyword details.
demoLog	String	Sample log event.
demoLabel	String	Attributes of the sample log event.
id	String	Structuring rule ID.
logGroupId	String	Log group ID.
rule	ShowStructTemplateRule object	Structuring method.
cluster_info	ShowStructTemplateclusterInfo object	Kafka information.
logStreamId	String	Log stream ID.
projectId	String	Project ID.
templateName	String	Template name.
regex	String	Regular expression.

**Table 5** StructFieldInfoReturn¶
Parameter	Type	Description
fieldName	String	Field name.
type	String	Field data type.
content	String	Field content.
isAnalysis	Boolean	Whether parsing is enabled.
index	Integer	Field sequence number.

**Table 6** tag_fields_info¶
Parameter	Type	Description
fieldName	String	Field name.
type	String	Field type.
content	String	Content.
isAnalysis	Boolean	Whether parsing is enabled.
index	Integer	Field sequence number.

**Table 7** ShowStructTemplateRule¶
Parameter	Type	Description
param	String	Structuring parameter.
type	String	Structuring type.

**Table 8** ShowStructTemplateclusterInfo¶
Parameter	Type	Description
cluster_name	String	Kafka cluster name.
kafka_bootstrap_servers	String	Kafka cluster server address.
kafka_ssl_enable	Boolean	Whether SSL encrypted authentication is enabled for Kafka.

Status code: 400

**Table 9** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 401

**Table 10** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 403

**Table 11** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 12** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Requests¶

GET https://{endpoint}/v2/{project_id}/lts/struct/template?logGroupId=123456&logStreamId=654321

Example Responses¶

Status code: 200

Details of the structuring rule are returned.

{
  "demoFields" : [ {
    "content" : "100.19.10.178",
    "fieldName" : "authority",
    "index" : 0,
    "isAnalysis" : true,
    "type" : "string"
  }, {
    "content" : "0",
    "fieldName" : "bytes_received",
    "index" : 0,
    "isAnalysis" : true,
    "type" : "string"
  }, {
    "content" : "1127",
    "fieldName" : "bytes_sent",
    "index" : 0,
    "isAnalysis" : true,
    "type" : "string"
  } ]
}

Status code: 400

BadRequest. The request is invalid. Modify the request based on the description in error_msg before a retry.

{
  "errorCode" : "SVCSTG.ALS.200201",
  "errorMessage" : "Query Param is error."
}

Status code: 401

AuthFailed. Authentication failed. Check the token and try again.

{
  "error_code" : "LTS.0414",
  "error_msg" : "Invalid token"
}

Status code: 403

Forbidden.The request has been rejected.The server has received the request and understood it, but refuses to respond to it. The client should not repeat the request without modifications.

{
  "error_code" : "LTS.0001",
  "error_msg" : "Invalid projectId"
}

Status code: 500

InternalServerError.

The server has received the request but encountered an internal error.

{
  "error_code" : "LTS.0102",
  "error_msg" : "Query empty."
}

Status Codes¶

Status Code	Description
200	Details of the structuring rule are returned.
400	BadRequest. The request is invalid. Modify the request based on the description in error_msg before a retry.
401	AuthFailed. Authentication failed. Check the token and try again.
403	Forbidden.The request has been rejected.The server has received the request and understood it, but refuses to respond to it. The client should not repeat the request without modifications.
500	InternalServerError. The server has received the request but encountered an internal error.
503	ServiceUnavailable. The requested service is unavailable.

Error Codes¶

See Error Codes.

last updated: 2025-10-17 11:00 UTC - commit: 1aef8cbecb9139d36db154d6ff3015832882e151