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

Querying Hosts

Function

This API is used to query all hosts, including the host names, IP addresses, and ICAgent statuses. This helps you quickly locate the hosts where ICAgent is not installed.

Calling Method

For details, see Calling APIs.

URI

POST /v3/{project_id}/lts/host-list

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. It can be obtained by calling an API or from the console. For details, see Obtaining a Project ID.

Constraints

N/A

Range

N/A

Default Value

N/A

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

host_id_list

No

Array of strings

Definition

Host ID list. Hosts can be filtered by host ID.

Constraints

N/A

filter

Yes

GetHostListFilter object

Definition

Filtering parameters for querying hosts.

Constraints

N/A

Table 4 GetHostListFilter

Parameter

Mandatory

Type

Description

host_name_list

No

Array of strings

Definition

Host name list. Hosts can be filtered by host name.

Constraints

N/A

host_ip_list

No

Array of strings

Definition

Host IP address list. Hosts can be filtered by host IP address.

Constraints

N/A

host_status

No

String

Definition

ICAgent status of a host. Hosts can be filtered by ICAgent status.

Constraints

You can only enter supported ICAgent statuses.

Range

  • running

  • offline

  • faulty

  • plugin error

  • installing

  • install-failed

  • upgrading

  • upgrade failed

  • uninstalling

  • authentication error

Default Value

N/A

host_version

No

String

Definition

ICAgent version of a host. Hosts can be filtered by ICAgent version.

Constraints

N/A

Range

Minimum characters: 0

Maximum characters: 15

Default Value

N/A

Response Parameters

Status code: 200

Table 5 Response body parameters

Parameter

Type

Description

result

Array of GetHostListInfo objects

Definition

Host list.

total

Long

Definition

Total number of hosts that meet the filter criteria.

Range

N/A

Table 6 GetHostListInfo

Parameter

Type

Description

host_id

String

Definition

Host ID.

Range

N/A

host_ip

String

Definition

Host IP address.

Range

N/A

host_name

String

Definition

Host name.

Range

N/A

host_status

String

Definition

ICAgent status of a host.

Range

  • uninstalled

  • running

  • offline

  • faulty

  • plugin error

  • installing

  • install-failed

  • upgrading

  • upgrade failed

  • uninstalling

  • authentication error

host_type

String

Definition

Host type. Two host group types are supported: Windows and Linux.

Range

  • windows

  • linux

host_version

String

Definition

ICAgent version of a host.

Range

N/A

update_time

Long

Definition

Latest update time of the host or ICAgent (timestamp in milliseconds), for example, the time when the host is started, shut down, or restarted, or its ICAgent is upgraded or reinstalled.

Range

N/A

Status code: 400

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: 500

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

Example Requests

Query hosts and filter them based on the request body. If no filters are provided in the body, all hosts are returned.

POST https://{endpoint}/v3/{project_id}/lts/host-list

{
  "host_id_list" : [ "713a9f81-574b-45aa-92df-24c4caxxxxxx", "c7085aa9-2142-4ada-9f78-bf81ffxxxxxx" ],
  "filter" : {
    "host_name_list" : [ "ecs-xxxx", "10.66.16xxx" ],
    "host_ip_list" : [ "192.168xxxx" ],
    "host_status" : "ruxxxx",
    "host_version" : "5.13.xxxx"
  }
}

Example Responses

Status code: 200

The host list query is successful.

{
  "result" : [ {
    "host_id" : "dc1dab7e-b045-4e77-bda4-914xxxxxx",
    "host_ip" : "172.16.xxxx",
    "host_name" : "ecs-apmtexxxxxx",
    "host_status" : "xxxxxx",
    "host_type" : "xxxxx",
    "host_version" : "5.13.xx.x",
    "update_time" : 1637223314526
  } ],
  "total" : 1
}

Status code: 400

Invalid request. Modify the request based on the description in error_msg before a retry.

{
  "error_code" : "LTS.1807",
  "error_msg" : "Invalid host id"
}

Status code: 500

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

{
  "error_code" : "LTS.0010",
  "error_msg" : "Internal Server Error"
}

SDK Sample Code

The SDK sample code is as follows.

Query hosts and filter them based on the request body. If no filters are provided in the body, all hosts are returned.

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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.*;

import java.util.List;
import java.util.ArrayList;

public class ListHostSolution {

    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();
        ListHostRequest request = new ListHostRequest();
        GetHostListRequestBody body = new GetHostListRequestBody();
        List<String> listFilterHostIpList = new ArrayList<>();
        listFilterHostIpList.add("192.168xxxx");
        List<String> listFilterHostNameList = new ArrayList<>();
        listFilterHostNameList.add("ecs-xxxx");
        listFilterHostNameList.add("10.66.16xxx");
        GetHostListFilter filterbody = new GetHostListFilter();
        filterbody.withHostNameList(listFilterHostNameList)
            .withHostIpList(listFilterHostIpList)
            .withHostStatus(GetHostListFilter.HostStatusEnum.fromValue("ruxxxx"))
            .withHostVersion("5.13.xxxx");
        List<String> listbodyHostIdList = new ArrayList<>();
        listbodyHostIdList.add("713a9f81-574b-45aa-92df-24c4caxxxxxx");
        listbodyHostIdList.add("c7085aa9-2142-4ada-9f78-bf81ffxxxxxx");
        body.withFilter(filterbody);
        body.withHostIdList(listbodyHostIdList);
        request.withBody(body);
        try {
            ListHostResponse response = client.listHost(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());
        }
    }
}

Query hosts and filter them based on the request body. If no filters are provided in the body, all hosts are returned.

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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 = ListHostRequest()
        listHostIpListFilter = [
            "192.168xxxx"
        ]
        listHostNameListFilter = [
            "ecs-xxxx",
            "10.66.16xxx"
        ]
        filterbody = GetHostListFilter(
            host_name_list=listHostNameListFilter,
            host_ip_list=listHostIpListFilter,
            host_status="ruxxxx",
            host_version="5.13.xxxx"
        )
        listHostIdListbody = [
            "713a9f81-574b-45aa-92df-24c4caxxxxxx",
            "c7085aa9-2142-4ada-9f78-bf81ffxxxxxx"
        ]
        request.body = GetHostListRequestBody(
            filter=filterbody,
            host_id_list=listHostIdListbody
        )
        response = client.list_host(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Query hosts and filter them based on the request body. If no filters are provided in the body, all hosts are returned.

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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.ListHostRequest{}
	var listHostIpListFilter = []string{
        "192.168xxxx",
    }
	var listHostNameListFilter = []string{
        "ecs-xxxx",
	    "10.66.16xxx",
    }
	hostStatusFilter:= model.GetGetHostListFilterHostStatusEnum().RUXXXX
	hostVersionFilter:= "5.13.xxxx"
	filterbody := &model.GetHostListFilter{
		HostNameList: &listHostNameListFilter,
		HostIpList: &listHostIpListFilter,
		HostStatus: &hostStatusFilter,
		HostVersion: &hostVersionFilter,
	}
	var listHostIdListbody = []string{
        "713a9f81-574b-45aa-92df-24c4caxxxxxx",
	    "c7085aa9-2142-4ada-9f78-bf81ffxxxxxx",
    }
	request.Body = &model.GetHostListRequestBody{
		Filter: filterbody,
		HostIdList: &listHostIdListbody,
	}
	response, err := client.ListHost(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 host list query is successful.

400

Invalid request. Modify the request based on the description in error_msg before a retry.

500

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

Error Codes

See Error Codes.