DsgPlatformQueryProjectsAndSchemaFromMeta -

Queries a list of compute engine instances of different types in the current tenant.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter

Type

Required

Example

Description

Action

String

Yes

DsgPlatformQueryProjectsAndSchemaFromMeta

The operation that you want to perform. Set the value to DsgPlatformQueryProjectsAndSchemaFromMeta.

EngineName

String

Yes

EMR

The type of the compute engine. Valid values:

ODPS.ODPS
EMR
HOLO.POSTGRES

Response parameters

Parameter	Type	Example	Description
Success	Boolean	true	Indicates whether the request was successful. Valid values: true false
ErrorCode	String	1029030003	The error code.
ErrorMessage	String	param error	The error message.
HttpStatusCode	Integer	400	The HTTP status code.
Data	Array of Datas		The returned data.
Project	String	emr_test_project	The name of the compute engine.
ClusterId	String	c-12345	The ID of the EMR cluster. This parameter is generated only when the request parameter EngineName is set to EMR.
RequestId	String	102400001	The request ID. You can use the ID to locate logs and troubleshoot issues.

Examples

Sample requests

http(s)://[Endpoint]/?Action=DsgPlatformQueryProjectsAndSchemaFromMeta
&EngineName=EMR
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<DsgPlatformQueryProjectsAndSchemaFromMetaResponse>
    <Success>true</Success>
    <ErrorCode>1029030003</ErrorCode>
    <ErrorMessage>param error</ErrorMessage>
    <HttpStatusCode>400</HttpStatusCode>
    <Data>
        <Project>emr_test_project</Project>
        <ClusterId>c-12345</ClusterId>
    </Data>
    <RequestId>102400001</RequestId>
</DsgPlatformQueryProjectsAndSchemaFromMetaResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "Success" : true,
  "ErrorCode" : "1029030003",
  "ErrorMessage" : "param error",
  "HttpStatusCode" : 400,
  "Data" : [ {
    "Project" : "emr_test_project",
    "ClusterId" : "c-12345"
  } ],
  "RequestId" : "102400001"
}

Error codes

HttpCode	Error code	Error message	Description
400	PARAMS.ERROR	param error.	The values specified for one or more parameters are invalid.
400	ENGINE.NOT.ALLOW	engine not allow.	The compute engine type is not supported.
403	PERMISSION.DENIED.ERROR	Permission denied	You are not authorized to perform this operation.
500	UNKNOWN.ERROR	unknown error.	An unknown error has occurred.

For a list of error codes, see Service error codes.