Migrating a Node
Function
This API is used to migrate a node from a specified cluster to another cluster. The node can be migrated only between different clusters in the same VPC and project, and the cluster types before and after the migration must be the same.
BMS nodes in a CCE Turbo cluster cannot be migrated.
The URL for cluster management is in the format of https://Endpoint/uri, where uri indicates the resource path for API access.
Constraints
-
Data can be migrated only between clusters in the same VPC and project.
-
Data cannot be migrated between CCE Turbo clusters and CCE standard clusters.
-
Data cannot be migrated between DEC and non-DEC clusters.
-
Data cannot be migrated between clusters with IPv6 enabled and clusters without IPv6 enabled.
-
Data can be migrated only to the default node pool of the target cluster.
-
Physical ECS nodes in a CCE Turbo cluster cannot be migrated.
Calling Method
For details, see Calling APIs.
URI
PUT /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/operation/migrateto/{target_cluster_id}
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI. |
cluster_id |
Yes |
String |
Cluster ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI. |
target_cluster_id |
Yes |
String |
Cluster ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
Content-Type |
Yes |
String |
Message body type (format). |
X-Auth-Token |
Yes |
String |
Requests for calling an API can be authenticated using either a token or AK/SK. If token-based authentication is used, this parameter is mandatory and must be set to a user token. For details, see Obtaining a User Token. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
apiVersion |
No |
String |
API version. The value is fixed at v3. |
kind |
No |
String |
API type. The value is fixed at MigrateNodesTask. |
spec |
Yes |
MigrateNodesSpec object |
Configuration data. |
status |
No |
TaskStatus object |
Job status. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
os |
Yes |
String |
Operating system type, which must be accurate to the version number. When alpha.cce/NodeImageID is specified, the value of os must be the same as the OS of the custom image. |
extendParam |
No |
MigrateNodeExtendParam object |
Extended parameters for node migration. |
login |
Yes |
Login object |
Node login mode. Either the key pair or password must be used for login. |
runtime |
No |
Runtime object |
Container runtime |
nodes |
Yes |
Array of NodeItem objects |
List of nodes to be migrated. A maximum of 200 nodes can be migrated at a time. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
maxPods |
No |
Integer |
Maximum number of pods that can be created on a node, including the default system pods. Value range: 16 to 256. This limit prevents the node from being overloaded of pods. |
DockerLVMConfigOverride |
No |
String |
Docker data disk configurations. The disk type of the nodes to be migrated must be the same as that specified during node creation (that is, the value of diskType in DockerLVMConfigOverride must be the same as that specified during node creation). Ensure that the disk types of the nodes selected for a single API call are the same. The following is the default configuration: "DockerLVMConfigOverride":"dockerThinpool=vgpaas/90%VG;kubernetesLV=vgpaas/10%VG;diskType=evs;lvType=linear" The configuration contains the following fields:
|
alpha.cce/preInstall |
No |
String |
Pre-installation script.
NOTE:
The input value must be Base64-encoded. (Command: echo -n "Content to be encoded" | base64) |
alpha.cce/postInstall |
No |
String |
Post-installation script.
NOTE:
The input value must be Base64-encoded. (Command: echo -n "Content to be encoded" | base64) |
alpha.cce/NodeImageID |
No |
String |
ID of the user image to run the target OS. When alpha.cce/NodeImageID is specified, the value of os must be the same as the OS of the custom image. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
sshKey |
No |
String |
Name of the key pair used for login. |
userPassword |
No |
UserPassword object |
Password used for node login. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
username |
No |
String |
Login account. The default value is root. |
password |
Yes |
String |
If a username and a password are used to create a node, this field is shielded in the response body. A password must meet the following complexity requirements:
|
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
name |
No |
String |
Container runtime. Default value:
|
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
apiVersion |
String |
API version. The value is fixed at v3. |
kind |
String |
API type. The value is fixed at MigrateNodesTask. |
spec |
MigrateNodesSpec object |
Configuration data. |
status |
TaskStatus object |
Job status. |
Parameter |
Type |
Description |
---|---|---|
os |
String |
Operating system type, which must be accurate to the version number. When alpha.cce/NodeImageID is specified, the value of os must be the same as the OS of the custom image. |
extendParam |
MigrateNodeExtendParam object |
Extended parameters for node migration. |
login |
Login object |
Node login mode. Either the key pair or password must be used for login. |
runtime |
Runtime object |
Container runtime |
nodes |
Array of NodeItem objects |
List of nodes to be migrated. A maximum of 200 nodes can be migrated at a time. |
Parameter |
Type |
Description |
---|---|---|
maxPods |
Integer |
Maximum number of pods that can be created on a node, including the default system pods. Value range: 16 to 256. This limit prevents the node from being overloaded of pods. |
DockerLVMConfigOverride |
String |
Docker data disk configurations. The disk type of the nodes to be migrated must be the same as that specified during node creation (that is, the value of diskType in DockerLVMConfigOverride must be the same as that specified during node creation). Ensure that the disk types of the nodes selected for a single API call are the same. The following is the default configuration: "DockerLVMConfigOverride":"dockerThinpool=vgpaas/90%VG;kubernetesLV=vgpaas/10%VG;diskType=evs;lvType=linear" The configuration contains the following fields:
|
alpha.cce/preInstall |
String |
Pre-installation script.
NOTE:
The input value must be Base64-encoded. (Command: echo -n "Content to be encoded" | base64) |
alpha.cce/postInstall |
String |
Post-installation script.
NOTE:
The input value must be Base64-encoded. (Command: echo -n "Content to be encoded" | base64) |
alpha.cce/NodeImageID |
String |
ID of the user image to run the target OS. When alpha.cce/NodeImageID is specified, the value of os must be the same as the OS of the custom image. |
Parameter |
Type |
Description |
---|---|---|
sshKey |
String |
Name of the key pair used for login. |
userPassword |
UserPassword object |
Password used for node login. |
Parameter |
Type |
Description |
---|---|---|
username |
String |
Login account. The default value is root. |
password |
String |
If a username and a password are used to create a node, this field is shielded in the response body. A password must meet the following complexity requirements:
|
Parameter |
Type |
Description |
---|---|---|
name |
String |
Container runtime. Default value:
|
Example Requests
-
Migrate a node running EulerOS 2.5 to another cluster.
PUT /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/operation/migrateto/{target_cluster_id} { "spec" : { "os" : "EulerOS 2.5", "login" : { "sshKey" : "KeyPair-001" }, "nodes" : [ { "uid" : "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" }, { "uid" : "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy" } ] } }
-
Migrate a node running EulerOS 2.5 and created using a specified image ID to another cluster.
PUT /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/operation/migrateto/{target_cluster_id} { "spec" : { "os" : "EulerOS 2.5", "extendParam" : { "alpha.cce/NodeImageID" : "cc697ad7-9563-11e8-8ea7-0255ac106311" }, "login" : { "sshKey" : "KeyPair-001" }, "nodes" : [ { "uid" : "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" }, { "uid" : "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy" } ] } }
Example Responses
Status code: 200
The job for migrating a node from a specified cluster to another cluster is successfully delivered.
{ "spec" : { "os" : "EulerOS 2.5", "login" : { "sshKey" : "KeyPair-001" }, "runtime" : { "name" : "docker" }, "nodes" : [ { "uid" : "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" }, { "uid" : "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy" } ] }, "status" : { "jobID" : "2ec9b78d-9368-46f3-8f29-d1a95622a568" } }
SDK Sample Code
The SDK sample code is as follows.
-
Migrate a node running EulerOS 2.5 to another cluster.
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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.cce.v3.region.CceRegion; import com.huaweicloud.sdk.cce.v3.*; import com.huaweicloud.sdk.cce.v3.model.*; import java.util.List; import java.util.ArrayList; public class MigrateNodeSolution { 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); CceClient client = CceClient.newBuilder() .withCredential(auth) .withRegion(CceRegion.valueOf("<YOUR REGION>")) .build(); MigrateNodeRequest request = new MigrateNodeRequest(); request.withClusterId("{cluster_id}"); request.withTargetClusterId("{target_cluster_id}"); MigrateNodesTask body = new MigrateNodesTask(); List<NodeItem> listSpecNodes = new ArrayList<>(); listSpecNodes.add( new NodeItem() .withUid("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") ); listSpecNodes.add( new NodeItem() .withUid("yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy") ); Login loginSpec = new Login(); loginSpec.withSshKey("KeyPair-001"); MigrateNodesSpec specbody = new MigrateNodesSpec(); specbody.withOs("EulerOS 2.5") .withLogin(loginSpec) .withNodes(listSpecNodes); body.withSpec(specbody); request.withBody(body); try { MigrateNodeResponse response = client.migrateNode(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()); } } }
-
Migrate a node running EulerOS 2.5 and created using a specified image ID to another cluster.
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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.cce.v3.region.CceRegion; import com.huaweicloud.sdk.cce.v3.*; import com.huaweicloud.sdk.cce.v3.model.*; import java.util.List; import java.util.ArrayList; public class MigrateNodeSolution { 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); CceClient client = CceClient.newBuilder() .withCredential(auth) .withRegion(CceRegion.valueOf("<YOUR REGION>")) .build(); MigrateNodeRequest request = new MigrateNodeRequest(); request.withClusterId("{cluster_id}"); request.withTargetClusterId("{target_cluster_id}"); MigrateNodesTask body = new MigrateNodesTask(); List<NodeItem> listSpecNodes = new ArrayList<>(); listSpecNodes.add( new NodeItem() .withUid("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") ); listSpecNodes.add( new NodeItem() .withUid("yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy") ); Login loginSpec = new Login(); loginSpec.withSshKey("KeyPair-001"); MigrateNodeExtendParam extendParamSpec = new MigrateNodeExtendParam(); extendParamSpec.withAlphaCceNodeImageID("cc697ad7-9563-11e8-8ea7-0255ac106311"); MigrateNodesSpec specbody = new MigrateNodesSpec(); specbody.withOs("EulerOS 2.5") .withExtendParam(extendParamSpec) .withLogin(loginSpec) .withNodes(listSpecNodes); body.withSpec(specbody); request.withBody(body); try { MigrateNodeResponse response = client.migrateNode(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()); } } }
-
Migrate a node running EulerOS 2.5 to another cluster.
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcce.v3.region.cce_region import CceRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkcce.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"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = CceClient.new_builder() \ .with_credentials(credentials) \ .with_region(CceRegion.value_of("<YOUR REGION>")) \ .build() try: request = MigrateNodeRequest() request.cluster_id = "{cluster_id}" request.target_cluster_id = "{target_cluster_id}" listNodesSpec = [ NodeItem( uid="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" ), NodeItem( uid="yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy" ) ] loginSpec = Login( ssh_key="KeyPair-001" ) specbody = MigrateNodesSpec( os="EulerOS 2.5", login=loginSpec, nodes=listNodesSpec ) request.body = MigrateNodesTask( spec=specbody ) response = client.migrate_node(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
-
Migrate a node running EulerOS 2.5 and created using a specified image ID to another cluster.
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 49 50 51 52 53 54 55 56
# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcce.v3.region.cce_region import CceRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkcce.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"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = CceClient.new_builder() \ .with_credentials(credentials) \ .with_region(CceRegion.value_of("<YOUR REGION>")) \ .build() try: request = MigrateNodeRequest() request.cluster_id = "{cluster_id}" request.target_cluster_id = "{target_cluster_id}" listNodesSpec = [ NodeItem( uid="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" ), NodeItem( uid="yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy" ) ] loginSpec = Login( ssh_key="KeyPair-001" ) extendParamSpec = MigrateNodeExtendParam( alpha_cce_node_image_id="cc697ad7-9563-11e8-8ea7-0255ac106311" ) specbody = MigrateNodesSpec( os="EulerOS 2.5", extend_param=extendParamSpec, login=loginSpec, nodes=listNodesSpec ) request.body = MigrateNodesTask( spec=specbody ) response = client.migrate_node(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
-
Migrate a node running EulerOS 2.5 to another cluster.
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" cce "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/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") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := cce.NewCceClient( cce.CceClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.MigrateNodeRequest{} request.ClusterId = "{cluster_id}" request.TargetClusterId = "{target_cluster_id}" var listNodesSpec = []model.NodeItem{ { Uid: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx", }, { Uid: "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy", }, } sshKeyLogin:= "KeyPair-001" loginSpec := &model.Login{ SshKey: &sshKeyLogin, } specbody := &model.MigrateNodesSpec{ Os: "EulerOS 2.5", Login: loginSpec, Nodes: listNodesSpec, } request.Body = &model.MigrateNodesTask{ Spec: specbody, } response, err := client.MigrateNode(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }
-
Migrate a node running EulerOS 2.5 and created using a specified image ID to another cluster.
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" cce "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/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") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := cce.NewCceClient( cce.CceClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.MigrateNodeRequest{} request.ClusterId = "{cluster_id}" request.TargetClusterId = "{target_cluster_id}" var listNodesSpec = []model.NodeItem{ { Uid: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx", }, { Uid: "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy", }, } sshKeyLogin:= "KeyPair-001" loginSpec := &model.Login{ SshKey: &sshKeyLogin, } alphaCceNodeImageIDExtendParam:= "cc697ad7-9563-11e8-8ea7-0255ac106311" extendParamSpec := &model.MigrateNodeExtendParam{ AlphaCceNodeImageID: &alphaCceNodeImageIDExtendParam, } specbody := &model.MigrateNodesSpec{ Os: "EulerOS 2.5", ExtendParam: extendParamSpec, Login: loginSpec, Nodes: listNodesSpec, } request.Body = &model.MigrateNodesTask{ Spec: specbody, } response, err := client.MigrateNode(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 |
The job for migrating a node from a specified cluster to another cluster is successfully delivered. |
Error Codes
See Error Codes.
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