Querying Disk Usage
Function
This API is used to query the disk usage of a tenant management node.
Calling Method
For details, see Calling APIs.
URI
GET /v1/{project_id}/clusters/{cluster_id}/volume
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| project_id | Yes | String | Definition Project ID. To obtain the value, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A |
| cluster_id | Yes | String | Definition Cluster ID. For details about how to obtain the value, see Obtaining the Cluster ID. Constraints N/A Range N/A Default Value N/A |
Request Parameters
None
Response Parameters
Status code: 200
| Parameter | Type | Description |
|---|---|---|
| duplicate | Integer | Definition Number of disks on a single node. Range N/A |
| disk_info_list | Array of DiskInfoResponse objects | Definition Node capacity details. Range N/A |
| Parameter | Type | Description |
|---|---|---|
| percentage | String | Definition Disk usage percentage. Range N/A |
| id | String | Definition Node ID. Range N/A |
| name | String | Definition Node name. Range N/A |
| disk_capacity | String | Definition Total disk capacity. Range N/A |
| disk_used | String | Definition Used disk capacity. Range N/A |
Example Requests
Query the disk usage.
GET https://{Endpoint}/v1/0536cdee2200d5912f7cc00b877980f1/clusters/2c14ab37-ed8f-48fa-8c23-c9e772c7fd5d/volume Example Responses
Status code: 200
Disk information queried.
{
"duplicate" : 2,
"disk_info_list" : [ {
"percentage" : "2.18",
"id" : "7240fb6b-c8d9-43da-9177-1540117989b5",
"name" : "dws-cluster-7-dws-cn-cn-3-1",
"disk_capacity" : "400",
"disk_used" : "8.74"
}, {
"percentage" : "2.19",
"id" : "af4c33f3-27bd-4a07-90a4-5a0ad2f50a13",
"name" : "dws-cluster-7-dws-cn-cn-2-1",
"disk_capacity" : "400",
"disk_used" : "8.78"
}, {
"percentage" : "2.45",
"id" : "d197f4f7-774f-4858-b1e3-ce2319bd59bf",
"name" : "dws-cluster-7-dws-cn-cn-1-1",
"disk_capacity" : "400",
"disk_used" : "9.82"
} ]
} SDK Sample Code
The SDK sample code is as follows.
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 48 | 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.dws.v2.region.DwsRegion; import com.huaweicloud.sdk.dws.v2.*; import com.huaweicloud.sdk.dws.v2.model.*; public class ShowClusterVolumeSolution { 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); DwsClient client = DwsClient.newBuilder() .withCredential(auth) .withRegion(DwsRegion.valueOf("<YOUR REGION>")) .build(); ShowClusterVolumeRequest request = new ShowClusterVolumeRequest(); request.withClusterId("{cluster_id}"); try { ShowClusterVolumeResponse response = client.showClusterVolume(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 32 | # coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdws.v2.region.dws_region import DwsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdws.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 = DwsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DwsRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShowClusterVolumeRequest() request.cluster_id = "{cluster_id}" response = client.show_cluster_volume(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 38 | package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/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 := dws.NewDwsClient( dws.DwsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ShowClusterVolumeRequest{} request.ClusterId = "{cluster_id}" response, err := client.ShowClusterVolume(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 | Disk information queried. |
| 400 | Request error. |
| 401 | Authentication failed. |
| 403 | You do not have required permissions. |
| 500 | Internal server error. |
| 503 | Service unavailable. |
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