批量查询实例节点信息
功能介绍
批量查询指定项目所有实例的节点信息、有效实例个数及节点个数。
创建中实例不返回节点信息。
支持Redis4.0及以上版本实例查询。
接口约束
支持Redis4.0及以上版本实例查询。
调用方法
请参见如何调用API。
URI
GET /v2/{project_id}/instances-logical-nodes
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。获取方法请参见获取项目ID。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
offset |
否 |
Integer |
偏移量,表示从此偏移量开始查询,offset大于等于0。 |
limit |
否 |
Integer |
每页显示的条目数量,当前最大值为100。若不设置该参数,则为10。 |
请求参数
无
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
count |
Integer |
查询结果的实例总数。 |
instances |
Array of InstanceNodesInfoResp objects |
实例列表。 |
参数 |
参数类型 |
描述 |
---|---|---|
instance_id |
String |
实例ID。 |
node_count |
Integer |
当前实例节点总数。 |
nodes |
Array of NodesInfoResp objects |
节点详情。 |
参数 |
参数类型 |
描述 |
---|---|---|
logical_node_id |
String |
逻辑节点ID。 |
name |
String |
节点名称。 |
status |
String |
节点状态,所有值如下:
|
az_code |
String |
可用区code。 |
node_role |
String |
节点角色,所有值如下:
|
node_type |
String |
节点主从角色:
|
node_ip |
String |
节点的IP。 |
node_port |
String |
节点的端口。 |
node_id |
String |
节点ID。 |
priority_weight |
Integer |
节点主备切换优先级权重。 |
is_access |
Boolean |
节点的IP是否可直接访问。 |
group_id |
String |
分片ID。 |
group_name |
String |
分片名称。 |
is_remove_ip |
Boolean |
是否从只读域名中摘除IP。 |
replication_id |
String |
副本ID。 |
dimensions |
Array of InstanceReplicationDimensionsInfo objects |
副本对应的监控指标维度信息。可用于调用云监控服务的查询监控数据指标相关接口。
|
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
请求示例
GET https://{dcs_endpoint}/v2/{project_id}/instances-logical-nodes?offset={offset}&limit={limit}
响应示例
状态码: 200
查询节点信息成功。
{ "count" : 1, "instances" : [ { "instance_id" : "b4468cb1-4f75-4866-a49d-86959acc0c9c", "node_count" : 2, "nodes" : [ { "logical_node_id" : "8f997eb512a92834bf5914be52ca8919", "name" : "(replica)192.168.0.178", "status" : "Active", "az_code" : "region01", "node_role" : "redis-server", "node_type" : "slave", "node_ip" : "192.168.0.178", "node_port" : "6379", "node_id" : "8a2c26c17f4d6516017f4d7b77940030", "is_access" : true, "group_id" : "ace962d1-7841-4e50-9313-c239fd75dee3", "group_name" : "group-0", "priority_weight" : 100, "is_remove_ip" : false, "replication_id" : "e40aa09e-03c2-4319-86eb-5ef4ca637544", "dimensions" : [ { "name" : "dcs_instance_id", "value" : "caf2d19f-7783-44b0-be46-8c9da3ef1e94" }, { "name" : "dcs_cluster_redis_node", "value" : "8263dc69629c5b2d840e9816fa9c6200" } ] } ] } ] }
状态码: 500
内部服务错误。
{ "error_code" : "DCS.5000", "error_msg" : "Internal service error." }
状态码: 400
非法请求。
{ "error_code" : "DCS.4800", "error_msg" : "Invalid offset in the request." }
SDK代码示例
SDK代码示例如下。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
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.dcs.v2.region.DcsRegion; import com.huaweicloud.sdk.dcs.v2.*; import com.huaweicloud.sdk.dcs.v2.model.*; public class BatchShowNodesInformationSolution { 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); DcsClient client = DcsClient.newBuilder() .withCredential(auth) .withRegion(DcsRegion.valueOf("<YOUR REGION>")) .build(); BatchShowNodesInformationRequest request = new BatchShowNodesInformationRequest(); try { BatchShowNodesInformationResponse response = client.batchShowNodesInformation(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()); } } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 |
# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdcs.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 = DcsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DcsRegion.value_of("<YOUR REGION>")) \ .build() try: request = BatchShowNodesInformationRequest() response = client.batch_show_nodes_information(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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 := dcs.NewDcsClient( dcs.DcsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.BatchShowNodesInformationRequest{} response, err := client.BatchShowNodesInformation(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 |
查询节点信息成功。 |
500 |
内部服务错误。 |
400 |
非法请求。 |
错误码
请参见错误码。