查询节点信息
功能介绍
查询节点信息
调用方法
请参见如何调用API。
URI
GET /v3/{project_id}/instances/{instance_id}/starrocks/nodes
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
参数解释: 租户在某一Region下的project ID。 获取方法请参见获取项目ID。 约束限制: 不涉及。 取值范围: 只能由英文字母、数字组成,且长度为32个字符。 默认取值: 不涉及。 |
instance_id |
是 |
String |
参数解释: HTAP标准版实例ID,此参数是实例的唯一标识。 约束限制: 不涉及。 取值范围: 只能由英文字母、数字组成,后缀为in17,长度为36个字符。 默认取值: 不涉及。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
参数解释: 用户Token。 通过调用IAM服务获取用户Token接口获取。 请求响应成功后在响应消息头中包含的“X-Subject-Token”的值即为Token值。 约束限制: 不涉及。 取值范围: 不涉及。 默认取值: 不涉及。 |
X-Language |
是 |
String |
参数解释: 请求语言类型。 约束限制: 不涉及。 取值范围:
默认取值: en-us。 |
响应参数
状态码:200
参数 |
参数类型 |
描述 |
---|---|---|
node_list |
Array of node_list objects |
参数解释: HTAP标准版实例节点列表。 约束限制: 不涉及。 |
参数 |
参数类型 |
描述 |
---|---|---|
node_id |
String |
参数解释: HTAP标准版实例节点ID。 取值范围: 不涉及。 |
node_name |
String |
参数解释: HTAP标准版实例节点名称。 取值范围: 不涉及。 |
role |
String |
参数解释: HTAP标准版实例节点角色。 取值范围:
|
状态码:400
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
参数解释: 错误码 取值范围: 不涉及。 |
error_msg |
String |
参数解释: 错误描述 取值范围: 不涉及。 |
状态码:500
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
参数解释: 错误码 取值范围: 不涉及。 |
error_msg |
String |
参数解释: 错误描述 取值范围: 不涉及。 |
请求示例
查询节点信息
GET https://{endpoint}/rds/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/28f61af50fc9452aa0ed5ea25c3cin17/starrocks/nodes
响应示例
状态码:200
Success
{ "node_list" : [ { "node_id" : "f1a5641d62f44803ac38ffefed0e4736no07", "node_name" : "htap-node01", "role" : "fe-leader" } ] }
状态码:400
Error response
{ "error_code" : "DBS.200022", "error_msg" : "实例不存在" }
SDK代码示例
SDK代码示例如下。
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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.gaussdb.v3.region.GaussDBRegion; import com.huaweicloud.sdk.gaussdb.v3.*; import com.huaweicloud.sdk.gaussdb.v3.model.*; public class ListInstanceNodeSolution { 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); GaussDBClient client = GaussDBClient.newBuilder() .withCredential(auth) .withRegion(GaussDBRegion.valueOf("<YOUR REGION>")) .build(); ListInstanceNodeRequest request = new ListInstanceNodeRequest(); request.withInstanceId("{instance_id}"); try { ListInstanceNodeResponse response = client.listInstanceNode(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 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkgaussdb.v3 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 = GaussDBClient.new_builder() \ .with_credentials(credentials) \ .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListInstanceNodeRequest() request.instance_id = "{instance_id}" response = client.list_instance_node(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" gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/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 := gaussdb.NewGaussDBClient( gaussdb.GaussDBClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListInstanceNodeRequest{} request.InstanceId = "{instance_id}" response, err := client.ListInstanceNode(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。
状态码
状态码 |
描述 |
---|---|
200 |
Success |
400 |
Error response |
500 |
Server error. |
错误码
请参见错误码。