Updated on 2024-03-01 GMT+08:00

Querying a Structuring Rule

Function

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

Calling Method

For details, see Calling APIs.

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.

Default: None

Minimum: 32

Maximum: 32

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

log_group_id

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. No default value.

Minimum: 36

Maximum: 36

log_stream_id

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. No default value.

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.

Default: None

Minimum: 1000

Maximum: 2000

Content-Type

Yes

String

Set this parameter to application/json;charset=UTF-8.

Default: None

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

Metric

type

String

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.

Enumeration values:

  • SVCSTG.ALS.200201

  • LTS.0208

error_msg

String

Error message.

Enumeration values:

  • Query Param is error

  • The log stream does not existed

Status code: 401

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Enumeration values:

  • LTS.0403

error_msg

String

Error message.

Enumeration values:

  • Invalid projectId

Status code: 403

Table 11 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Enumeration values:

  • LTS.0403

error_msg

String

Error message.

Enumeration values:

  • Invalid projectId

Status code: 500

Table 12 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Enumeration values:

  • LTS.0202

error_msg

String

Error message.

Enumeration values:

  • Failed to query lts struct log

Example Requests

Query the structuring rule of a specified log stream. The request parameter is same as the path parameter. No request example is provided.

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

Bad Request: 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."
}

SDK Sample Code

The SDK sample code is as follows.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.lts.v2.region.LtsRegion;
import com.huaweicloud.sdk.lts.v2.*;
import com.huaweicloud.sdk.lts.v2.model.*;


public class ShowStructTemplateSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        LtsClient client = LtsClient.newBuilder()
                .withCredential(auth)
                .withRegion(LtsRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowStructTemplateRequest request = new ShowStructTemplateRequest();
        try {
            ShowStructTemplateResponse response = client.showStructTemplate(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdklts.v2.region.lts_region import LtsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdklts.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

    client = LtsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(LtsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowStructTemplateRequest()
        response = client.show_struct_template(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    lts "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := lts.NewLtsClient(
        lts.LtsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowStructTemplateRequest{}
	response, err := client.ShowStructTemplate(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Details of the structuring rule are returned.

400

Bad Request: 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.