Querying Data Sources
Function
This API is used to query data sources.
Calling Method
For details, see Calling APIs.
URI
GET /v1.0/{project_id}/clusters/{cluster_id}/ext-data-sources
| 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 The value must be a valid DWS cluster ID. Range It is a 36-digit UUID. Default Value N/A |
Request Parameters
None
Response Parameters
Status code: 200
| Parameter | Type | Description |
|---|---|---|
| data_sources | Array of ExtDataSource objects | Definition Data source list. Range N/A |
| project_id | String | Definition Project ID. Range N/A |
| cluster_id | String | Definition Cluster ID. Range It is a 36-digit UUID. |
| type | String | Definition Data source type. Range N/A |
| count | Integer | Definition Total number. Range N/A |
| Parameter | Type | Description |
|---|---|---|
| id | String | Definition Data source ID. Range N/A |
| name | String | Definition Data source name. Range N/A |
| type | String | Definition Type. Range N/A |
| connect_info | String | Definition Database. Range N/A |
| user_name | String | Definition Username. Range N/A |
| version | String | Definition Version. Range N/A |
| configure_status | String | Definition Configuration status. Range N/A |
| status | String | Definition Status. Range N/A |
| data_source_id | String | Definition External data source ID. Range N/A |
| created | String | Definition Creation time. Range N/A |
| updated | String | Definition Update time. Range N/A |
| data_source_updated | String | Definition Data source update time. Range N/A |
| extend_properties | Object | Definition Extended information. Range N/A |
| description | String | Definition Description. Range N/A |
| fail_reason | String | Definition Failure cause. Range N/A |
Example Requests
GET https://{Endpoint}/v1.0/89cd04f168b84af6be287f71730fdb4b/clusters/e59d6b86-9072-46eb-a996-13f8b44994c1/ext-data-sources Example Responses
Status code: 200
Query succeeded.
{
"data_sources" : [ {
"id" : "8010dbc0-c1d2-48d6-87eb-3229f9195fed",
"name" : "tes54",
"type" : "OBS",
"connect_info" : "gaussdb",
"user_name" : "DWSAccessOBS",
"configure_status" : "300",
"created" : "2022-10-30T07:38:33",
"extend_properties" : { },
"description" : "xxx",
"fail_reason" : ""
} ],
"project_id" : "0536cdee2200d5912f7cc00b877980f1",
"cluster_id" : "a07cb2f7-b17e-4d95-923b-a33d0c884d37",
"type" : "OBS",
"count" : 5
} 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 ListDataSourceSolution { 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(); ListDataSourceRequest request = new ListDataSourceRequest(); request.withClusterId("{cluster_id}"); try { ListDataSourceResponse response = client.listDataSource(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 = ListDataSourceRequest() request.cluster_id = "{cluster_id}" response = client.list_data_source(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.ListDataSourceRequest{} request.ClusterId = "{cluster_id}" response, err := client.ListDataSource(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 | Query succeeded. |
| 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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