Obtaining Commands from SMS
Function
This API is called by the migration Agent on source servers to obtain commands from the SMS server.
Calling Method
For details, see Calling APIs.
Authorization Information
Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.
- If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
- If you are using identity policy-based authorization, the following identity policy-based permissions are required.
Action
Access Level
Resource Type (*: required)
Condition Key
Alias
Dependencies
sms:server:getCommand
Read
server *
-
sms:server:migrationServer
-
-
g:EnterpriseProjectId
URI
GET /v3/sources/{server_id}/command
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
server_id |
Yes |
String |
The ID of the source server that the command is sent to. Minimum: 1 Maximum: 36 |
Request Parameters
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
X-Auth-Token |
Yes |
String |
User token. The token can be obtained by calling the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the user token. Minimum: 1 Maximum: 16384 |
Response Parameters
Status code: 200
|
Parameter |
Type |
Description |
|---|---|---|
|
command_name |
String |
The command name. The value can be START, STOP, SKIP, PREMIGRATE, TASK_NOT_STARTED, TASK_HAS_STOPPED, or TASK_HAS_FINISHED. Minimum: 0 Maximum: 255 |
|
command_param |
CommandParam object |
Command response parameters. |
|
Parameter |
Type |
Description |
|---|---|---|
|
task_id |
String |
The task ID. Minimum: 0 Maximum: 255 |
|
bucket |
String |
The bucket name. Minimum: 0 Maximum: 255 |
Status code: 400
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The error code. Minimum: 0 Maximum: 255 |
|
error_msg |
String |
The error message. Minimum: 0 Maximum: 1024 |
Status code: 401
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The error code. Minimum: 0 Maximum: 255 |
|
error_msg |
String |
The error message. Minimum: 0 Maximum: 1024 |
Status code: 403
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The error code. Minimum: 0 Maximum: 255 |
|
error_msg |
String |
The error message. Minimum: 0 Maximum: 255 |
|
encoded_authorization_message |
String |
The encrypted authorization information. Minimum: 0 Maximum: 65535 |
|
error_param |
Array of strings |
Error parameters. Minimum: 0 Maximum: 65535 Array Length: 1 - 20 |
|
details |
Array of details objects |
The error details. Array Length: 1 - 20 |
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The SMS error code. Minimum: 0 Maximum: 65535 |
|
error_msg |
String |
The SMS error message. Minimum: 0 Maximum: 65535 |
Status code: 404
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The error code. Minimum: 0 Maximum: 255 |
|
error_msg |
String |
The error message. Minimum: 0 Maximum: 1024 |
Status code: 500
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
The error code. Minimum: 0 Maximum: 255 |
|
error_msg |
String |
The error message. Minimum: 0 Maximum: 1024 |
Example Requests
This example obtains the command sent to the Agent installed on the source server whose ID is f32ab4d6-d150-4fb3-aa55-edbb5cf9947f.
GET https://{endpoint}/v3/sources/f32ab4d6-d150-4fb3-aa55-edbb5cf9947f/command
Example Responses
Status code: 200
Obtaining commands from SMS succeeded.
{
"command_name" : "START",
"command_param" : {
"task_id" : "xxxxxxxxxxxxxxxxxxxxxxxx00000001"
}
}
Status code: 403
Authentication failed.
{
"error_code" : "SMS.9004",
"error_msg" : "The current account does not have the permission to execute policy. You do not have permission to perform action XXX on resource XXX.",
"encoded_authorization_message" : "XXXXXX",
"error_param" : [ "You do not have permission to perform action XXX on resource XXX." ],
"details" : [ {
"error_code" : "SMS.9004",
"error_msg" : "You do not have permission to perform action XXX on resource XXX."
} ]
}
SDK Sample Code
The SDK 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.GlobalCredentials; 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.sms.v3.region.SmsRegion; import com.huaweicloud.sdk.sms.v3.*; import com.huaweicloud.sdk.sms.v3.model.*; public class ShowCommandSolution { 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 GlobalCredentials() .withAk(ak) .withSk(sk); SmsClient client = SmsClient.newBuilder() .withCredential(auth) .withRegion(SmsRegion.valueOf("<YOUR REGION>")) .build(); ShowCommandRequest request = new ShowCommandRequest(); request.withServerId("{server_id}"); try { ShowCommandResponse response = client.showCommand(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 import os from huaweicloudsdkcore.auth.credentials import GlobalCredentials from huaweicloudsdksms.v3.region.sms_region import SmsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdksms.v3 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"] credentials = GlobalCredentials(ak, sk) client = SmsClient.new_builder() \ .with_credentials(credentials) \ .with_region(SmsRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShowCommandRequest() request.server_id = "{server_id}" response = client.show_command(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/global" sms "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/sms/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/sms/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/sms/v3/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 := global.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := sms.NewSmsClient( sms.SmsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ShowCommandRequest{} request.ServerId = "{server_id}" response, err := client.ShowCommand(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 |
Obtaining commands from SMS succeeded. |
|
400 |
Bad Request |
|
401 |
Unauthorized |
|
403 |
Authentication failed. |
|
404 |
Not Found |
|
500 |
Internal Server Error |
Error Codes
See Error Codes.
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