Updated on 2025-08-21 GMT+08:00

Modifying a Log Stream

Function

This API is used to modify the log retention duration of a specified log stream.

Calling Method

For details, see Calling APIs.

URI

PUT /v2/{project_id}/groups/{log_group_id}/streams-ttl/{log_stream_id}

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: 36

Maximum: 36

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.

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.

Minimum: 36

Maximum: 36

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token obtained from IAM. For details about how to obtain it, see Obtaining a User Token.

Constraints

N/A

Range

N/A

Default Value

N/A

Content-Type

Yes

String

Definition

Message body format. Set this parameter to application/json;charset=utf8.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

ttl_in_days

Yes

Integer

Log retention period (days).

Minimum: 1

Maximum: 365

tags

No

Array of tagsBody objects

Tag field information.

whether_log_storage

No

Boolean

Whether to store logs.

Table 4 tagsBody

Parameter

Mandatory

Type

Description

key

Yes

String

Definition

Tag key.

Constraints

  • Each tag key must be unique.

  • A tag is a key-value pair. Each key is paired with its corresponding value.

Range

Each tag key can contain up to 128 characters, including only letters, digits, spaces, and special characters (_.:=+-@). Do not start or end with a space, nor start with sys.

Default Value

N/A

value

No

String

Definition

Tag value.

Constraints

A tag is a key-value pair. Each key is paired with its corresponding value.

Range

  • A tag value can contain letters, digits, spaces, and special characters (_.:=+-@).

  • A tag value can contain up to 255 characters.

Default Value

N/A

Response Parameters

Status code: 200

Table 5 Response body parameters

Parameter

Type

Description

creation_time

Long

Time when a log stream is created.

log_topic_name

String

Name of a log stream.

Minimum: 1

Maximum: 64

log_topic_id

String

Log stream ID.

Minimum: 36

Maximum: 36

ttl_in_days

Integer

Log retention duration (in days).

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Definition

Error code. For details, see Error Codes.

Range

N/A

error_msg

String

Definition

Error message.

Range

N/A

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Definition

Error code. For details, see Error Codes.

Range

N/A

error_msg

String

Definition

Error message.

Range

N/A

Status code: 403

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Definition

Error code. For details, see Error Codes.

Range

N/A

error_msg

String

Definition

Error message.

Range

N/A

Status code: 500

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Definition

Error code. For details, see Error Codes.

Range

N/A

error_msg

String

Definition

Error message.

Range

N/A

Example Requests

Modify a log stream.

PUT https://{endpoint}/v2/{project_id}/groups/{log_group_id}/streams-ttl/{log_stream_id}

{
  "ttl_in_days" : 8
}

Example Responses

Status code: 200

The request has succeeded and the log group has been modified.

{
  "creation_time" : 1629947408497,
  "log_topic_name" : "string",
  "log_topic_id" : "string",
  "ttl_in_days" : 8
}

Status code: 400

Bad Request: The request is invalid. Modify the request based on the description in error_msg before a retry.

{
  "error_code" : "LTS.0009",
  "error_msg" : "Failed to validate the request body"
}

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 is 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.0204",
  "error_msg" : "Failed to update log stream"
}

SDK Sample Code

The SDK sample code is as follows.

Modify a log stream.

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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 UpdateLogStreamSolution {

    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");
        String projectId = "{project_id}";

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

        LtsClient client = LtsClient.newBuilder()
                .withCredential(auth)
                .withRegion(LtsRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateLogStreamRequest request = new UpdateLogStreamRequest();
        request.withLogGroupId("{log_group_id}");
        request.withLogStreamId("{log_stream_id}");
        UpdateLogStreamParams body = new UpdateLogStreamParams();
        body.withTtlInDays(8);
        request.withBody(body);
        try {
            UpdateLogStreamResponse response = client.updateLogStream(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());
        }
    }
}

Modify a log stream.

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# coding: utf-8

import os
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 = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

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

    try:
        request = UpdateLogStreamRequest()
        request.log_group_id = "{log_group_id}"
        request.log_stream_id = "{log_stream_id}"
        request.body = UpdateLogStreamParams(
            ttl_in_days=8
        )
        response = client.update_log_stream(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Modify a log stream.

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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")
    projectId := "{project_id}"

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

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

    request := &model.UpdateLogStreamRequest{}
	request.LogGroupId = "{log_group_id}"
	request.LogStreamId = "{log_stream_id}"
	request.Body = &model.UpdateLogStreamParams{
		TtlInDays: int32(8),
	}
	response, err := client.UpdateLogStream(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

The request has succeeded and the log group has been modified.

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 is 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.