Starting or Stopping a Specified Instance Node
Function
This API is used to start or stop an instance node. Back up data of instances (except single-node ones) within 24 hours before stopping a node.
Calling Method
For details, see Calling APIs.
URI
PUT /v2/{project_id}/instances/{instance_id}/nodes/status
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details, see Obtaining a Project ID. |
instance_id |
Yes |
String |
Instance ID. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
node_ids |
No |
Array of strings |
List of IDs of the instance nodes to be started or stopped. If this parameter is not set, all instance nodes are started or stopped by default. |
action |
No |
String |
Operations on instance nodes: start: Start a node. stop: Stop a node. |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
job_id |
String |
ID of the instance node start or stop task. |
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Status code: 401
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Status code: 403
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Status code: 404
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Status code: 405
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Status code: 500
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Parameter description: Error message. Value range: N/A. |
error_code |
String |
Parameter description: Error code. Value range: For details, see Error Codes. |
error_ext_msg |
String |
Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A. |
Example Requests
PUT https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/nodes/status { "action" : "start", "node_ids" : [ "3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa", "3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb" ] }
Example Responses
Status code: 200
Successful
{ "job_id" : "8abfa7aa88ad5aa50188aef7ec0936d1" }
Status code: 405
Current request not allowed.
{ "error_code" : "DCS.2001", "error_msg" : "the latest backup records over 24h old, need to create new backup file." }
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.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.dcs.v2.region.DcsRegion; import com.huaweicloud.sdk.dcs.v2.*; import com.huaweicloud.sdk.dcs.v2.model.*; import java.util.List; import java.util.ArrayList; public class ChangeNodesStartStopStatusSolution { 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); DcsClient client = DcsClient.newBuilder() .withCredential(auth) .withRegion(DcsRegion.valueOf("<YOUR REGION>")) .build(); ChangeNodesStartStopStatusRequest request = new ChangeNodesStartStopStatusRequest(); request.withInstanceId("{instance_id}"); ChangeNodesStartStopStatusBody body = new ChangeNodesStartStopStatusBody(); List<String> listbodyNodeIds = new ArrayList<>(); listbodyNodeIds.add("3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa"); listbodyNodeIds.add("3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb"); body.withAction("start"); body.withNodeIds(listbodyNodeIds); request.withBody(body); try { ChangeNodesStartStopStatusResponse response = client.changeNodesStartStopStatus(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 BasicCredentials from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdcs.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 = DcsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DcsRegion.value_of("<YOUR REGION>")) \ .build() try: request = ChangeNodesStartStopStatusRequest() request.instance_id = "{instance_id}" listNodeIdsbody = [ "3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa", "3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb" ] request.body = ChangeNodesStartStopStatusBody( action="start", node_ids=listNodeIdsbody ) response = client.change_nodes_start_stop_status(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" dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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 := dcs.NewDcsClient( dcs.DcsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ChangeNodesStartStopStatusRequest{} request.InstanceId = "{instance_id}" var listNodeIdsbody = []string{ "3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa", "3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb", } actionChangeNodesStartStopStatusBody:= "start" request.Body = &model.ChangeNodesStartStopStatusBody{ Action: &actionChangeNodesStartStopStatusBody, NodeIds: &listNodeIdsbody, } response, err := client.ChangeNodesStartStopStatus(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.
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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.dcs.v2.region.DcsRegion; import com.huaweicloud.sdk.dcs.v2.*; import com.huaweicloud.sdk.dcs.v2.model.*; import java.util.List; import java.util.ArrayList; public class ChangeNodesStartStopStatusSolution { 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); DcsClient client = DcsClient.newBuilder() .withCredential(auth) .withRegion(DcsRegion.valueOf("<YOUR REGION>")) .build(); ChangeNodesStartStopStatusRequest request = new ChangeNodesStartStopStatusRequest(); request.withInstanceId("{instance_id}"); ChangeNodesStartStopStatusBody body = new ChangeNodesStartStopStatusBody(); List<String> listbodyNodeIds = new ArrayList<>(); listbodyNodeIds.add("3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa"); listbodyNodeIds.add("3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb"); body.withAction("start"); body.withNodeIds(listbodyNodeIds); request.withBody(body); try { ChangeNodesStartStopStatusResponse response = client.changeNodesStartStopStatus(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 BasicCredentials from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdcs.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 = DcsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DcsRegion.value_of("<YOUR REGION>")) \ .build() try: request = ChangeNodesStartStopStatusRequest() request.instance_id = "{instance_id}" listNodeIdsbody = [ "3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa", "3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb" ] request.body = ChangeNodesStartStopStatusBody( action="start", node_ids=listNodeIdsbody ) response = client.change_nodes_start_stop_status(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" dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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 := dcs.NewDcsClient( dcs.DcsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ChangeNodesStartStopStatusRequest{} request.InstanceId = "{instance_id}" var listNodeIdsbody = []string{ "3e803f66-fbb0-47ad-b6cb-fb87f5bed4aa", "3eaaff66-fbb0-47ad-b6cb-fb87f5b12fbb", } actionChangeNodesStartStopStatusBody:= "start" request.Body = &model.ChangeNodesStartStopStatusBody{ Action: &actionChangeNodesStartStopStatusBody, NodeIds: &listNodeIdsbody, } response, err := client.ChangeNodesStartStopStatus(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 |
Successful |
400 |
Invalid request. |
401 |
Invalid authentication information. |
403 |
Access denied. |
404 |
The requested resource could not be found. |
405 |
Current request not allowed. |
500 |
Internal server error. |
Error Codes
See Error Codes.
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