Querying Node Types
Function
This API is used to query the node types supported by GaussDB(DWS).
Call Method
For details, see Calling APIs.
URI
1
|
GET /v2/{project_id}/node-types |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details about how to obtain the ID, see Obtaining Project ID. |
Request Parameters
None
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
node_types |
Array of NodeTypes objects |
List of node type objects |
count |
Integer |
Total number of node types. |
Parameter |
Type |
Description |
---|---|---|
spec_name |
String |
Name of a node type |
detail |
Array of Detail objects |
Node type details |
id |
String |
Node type ID |
datastore_type |
String |
Product type |
available_zones |
Array of NodeTypeAvailableZones objects |
Supported AZs and their statuses |
ram |
Integer |
Memory size |
vcpus |
Integer |
Number of CPUs |
datastores |
Array of NodeTypeDatastores objects |
Kernel version information |
volume |
VolumeResp object |
For a fixed storage flavor, the value is the storage of its typical configuration. For an elastic storage flavor, the value null. |
elastic_volume_specs |
Array of NodeTypeElasticVolumeSpecs objects |
If the specification is elastic, this attribute indicates the typical specification, including the storage type, minimum capacity, maximum capacity, and step. If the specification is fixed, this attribute is null. |
Parameter |
Type |
Description |
---|---|---|
type |
String |
Attribute type |
value |
String |
Attribute value |
unit |
String |
Attribute unit |
Parameter |
Type |
Description |
---|---|---|
code |
String |
AZ ID |
status |
String |
Availability status of a node type. |
Parameter |
Type |
Description |
---|---|---|
version |
String |
OS kernel version |
attachments |
Attachments object |
Additional information about the kernel version |
Parameter |
Type |
Description |
---|---|---|
min_cn |
String |
Minimum CNs allowed by the kernel version |
max_cn |
String |
Maximum CNs allowed by the kernel version |
Example Request
GET https://{Endpoint}/v2/89cd04f168b84af6be287f71730fdb4b/node-types
Example Response
Status code: 200
The node type is queried successfully.
{ "node_types" : [ { "spec_name" : "dws.d2.xlarge", "id" : "ebe532d6-665f-40e6-a4d4-3c51545b6a67", "datastore_type" : "dws", "available_zones" : [ { "code" : "az1", "status" : "normal" } ], "ram" : 32, "vcpus" : 4, "datastores" : [ { "version" : "8.1.3.200", "attachments" : { "min_cn" : 2, "max_cn" : 20 } } ], "volume" : { "type" : "SSD", "size" : 160 }, "elastic_volume_specs" : [ { "type" : "SSD", "step" : 100, "min_size" : 100, "max_size" : 32000 } ], "detail" : [ { "type" : "vCPU", "value" : "4" }, { "value" : "1675", "type" : "LOCAL_DISK", "unit" : "GB" }, { "type" : "mem", "value" : "32", "unit" : "GB" } ] } ], "count" : 1 }
SDK Sample Code
The sample code is as follows:
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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.dws.v2.region.DwsRegion; import com.huaweicloud.sdk.dws.v2.*; import com.huaweicloud.sdk.dws.v2.model.*; public class ListNodeTypesSolution { 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"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); DwsClient client = DwsClient.newBuilder() .withCredential(auth) .withRegion(DwsRegion.valueOf("cn-north-4")) .build(); ListNodeTypesRequest request = new ListNodeTypesRequest(); try { ListNodeTypesResponse response = client.listNodeTypes(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 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.getenv("CLOUD_SDK_AK") sk = os.getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = DwsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DwsRegion.value_of("cn-north-4")) \ .build() try: request = ListNodeTypesRequest() response = client.list_node_types(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" 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") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := dws.NewDwsClient( dws.DwsClientBuilder(). WithRegion(region.ValueOf("cn-north-4")). WithCredential(auth). Build()) request := &model.ListNodeTypesRequest{} response, err := client.ListNodeTypes(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For more SDK sample codes of programming languages, visit API Explorer and click the Sample Code tab. Example codes can be automatically generated.
Status Code
Status Code |
Description |
---|---|
200 |
The node type is queried successfully. |
400 |
Request error |
401 |
Authentication failed. |
403 |
You do not have required permissions. |
404 |
No resources found. |
500 |
Internal server error. |
503 |
Service unavailable. |
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