Help Center/ Cloud Container Engine/ API Reference/ APIs/ Node Management/ Resetting a Node
Updated on 2024-11-25 GMT+08:00
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Resetting a Node

Function

This API is used to reset a node in a specified cluster.

The URL for cluster management is in the format of https://Endpoint/uri. In the URL, uri indicates the resource path, that is, the path for API access.

Calling Method

For details, see Calling APIs.

URI

POST /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/reset

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Details:

Project ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

Constraints:

None

Options:

Project IDs of the account

Default value:

N/A

cluster_id

Yes

String

Details:

Cluster ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

Constraints:

None

Options:

Cluster IDs

Default value:

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

Content-Type

Yes

String

Details:

Request body type or format

Constraints:

The GET method is not verified.

Options:

  • application/json

  • application/json;charset=utf-8

  • application/x-pem-file

Default value:

N/A

X-Auth-Token

Yes

String

Details:

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.

Constraints:

None

Options:

N/A

Default value:

N/A
Table 3 Request body parameters

Parameter

Mandatory

Type

Description

apiVersion

Yes

String

API version. The value is fixed at v3.

kind

Yes

String

API type. The value is fixed at List.

nodeList

Yes

Array of ResetNode objects

List of nodes to be reset. A maximum of 200 nodes can be reset at a time.
Table 4 ResetNode

Parameter

Mandatory

Type

Description

nodeID

Yes

String

Node ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

spec

Yes

ReinstallNodeSpec object

Node reinstallation configuration parameters. Nodes in a node pool cannot be specified externally. These nodes will be reinstalled based on the node pool settings. By default, this parameter is mandatory for nodes in a node pool.
Table 5 ReinstallNodeSpec

Parameter

Mandatory

Type

Description

os

Yes

String

OS. If you specify a custom image, the actual OS version of the IMS image is used. Select an OS version supported by the current cluster. Example: Huawei Cloud EulerOS 2.0, Ubuntu 22.04, EulerOS 2.9, CentOS 7.6 and EulerOS 2.8

login

Yes

Login object

Node login mode. Either the key pair or password must be used for login.

NOTE:

This parameter cannot be modified when a node pool is being updated.

name

No

String

Node name.

NOTE:

Specifying this field during reinstallation will change the node name, and the server name will change accordingly. By default, the current server name is used as the node name.

Enter 1 to 56 characters starting with a lowercase letter. Only lowercase letters, digits, hyphens (-), and periods (.) are allowed.

serverConfig

No

ReinstallServerConfig object

Server configuration.

volumeConfig

No

ReinstallVolumeConfig object

Volume management configuration.

runtimeConfig

No

ReinstallRuntimeConfig object

Container runtime configuration.

k8sOptions

No

ReinstallK8sOptionsConfig object

Kubernetes node configuration.

lifecycle

No

NodeLifecycleConfig object

Customized lifecycle configuration of a node.

initializedConditions

No

Array of strings

Custom initialization flag.

Before CCE nodes are initialized, they are tainted with node.cloudprovider.kubernetes.io/uninitialized to prevent pods from being scheduled to them.

CCE supports custom initialization flags. After receiving the initializedConditions parameter, CCE converts the parameter value into a node label and provisions the label with the node, for example, cloudprovider.openvessel.io/inject-initialized-conditions=CCEInitial_CustomedInitial.

After the node is labeled, its status.Conditions is polled to check whether the type of conditions has a flag name, such as CCEInitial and CustomedInitial. If all input flags exist and their status is True, the node initialization is complete and the initialization taint is removed.

  • Use only letters and digits. Max. characters: 20.

  • Max. flags: 2.

extendParam

No

ReinstallExtendParam object

Extended reinstallation parameter, which is discarded.

hostnameConfig

No

HostnameConfig object

Kubernetes node name configuration parameter, which is supported by clusters of v1.23.6-r0 to v1.25 or clusters of v1.25.2-r0 or later versions.
Table 6 Login

Parameter

Mandatory

Type

Description

sshKey

No

String

Details:

Name of the key pair used for login

Constraints:

None

Options:

N/A

Default value:

N/A

userPassword

No

UserPassword object

Details:

Password used for node login

Constraints:

None
Table 7 UserPassword

Parameter

Mandatory

Type

Description

username

No

String

Details:

Login account. The default value is root.

Constraints:

None

Options:

N/A

Default value:

root

password

Yes

String

Details:

Login password. If a username and password are used when a node is created, this field is shielded in the response body.

Constraints:

The password field must be salted during node creation. For details, see Adding a Salt in the password Field When Creating a Node.

Options:

A password must:

  • Contain 8 to 26 characters.

  • Contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters !@$%^-_=+[{}]:,./?

  • Not contain the username or the username spelled backwards.

Default value:

N/A
Table 8 ReinstallServerConfig

Parameter

Mandatory

Type

Description

userTags

No

Array of UserTag objects

Cloud server tag (resource tag). The key of a tag must be unique. The maximum number of custom tags supported by CCE varies depending on regions and cannot exceed 8.

rootVolume

No

ReinstallVolumeSpec object

System disk configurations used in reinstallation.
Table 9 UserTag

Parameter

Mandatory

Type

Description

key

No

String

Details:

Key of the cloud server tag

Constraints:

The value cannot start with CCE- or __type_baremetal.

Options:

A tag key can have a maximum of 36 characters. It can only contain letters, digits, Unicode characters, and special characters (-_).

Default value:

N/A

value

No

String

Details:

Value of the cloud server tag

Constraints:

None

Options:

A tag value can have a maximum of 43 characters. It can only contain letters, digits, Unicode characters, and special characters (-_).

Default value:

N/A
Table 10 ReinstallVolumeSpec

Parameter

Mandatory

Type

Description

imageID

No

String

Custom image ID.

cmkID

No

String

User master key ID. If this parameter is left blank by default, the EVS disk is not encrypted.
Table 11 ReinstallVolumeConfig

Parameter

Mandatory

Type

Description

lvmConfig

No

String

Configuration item of a Docker data disk (deprecated).

The following is an example of the default configuration:

"lvmConfig":"dockerThinpool=vgpaas/90%VG;kubernetesLV=vgpaas/10%VG;diskType=evs;lvType=linear"

The following fields are included:

  • userLV: size of the user space, for example, vgpaas/20%VG.

  • userPath: mount path of the user space, for example, /home/wqt-test.

  • diskType: disk type. Currently, only evs, hdd, and ssd are supported.

  • lvType: type of a logic volume. The value can be linear or striped.

  • dockerThinpool: Docker space size, for example, vgpaas/60%VG.

  • kubernetesLV: kubelet space size, for example, vgpaas/20%VG.

storage

No

Storage object

Details:

Disk initialization management parameter.

This parameter is complex to configure. For details, see Attaching Disks to a Node.

Constraints:

  • If a node has both local and EVS disks attached, make sure to not keep the default value for this parameter, or it may result in unexpected disk partitions.

  • If you want to change the value range of a data disk to 20 to 32768, do not use the default value.

  • If you want to use the shared disk space (with the runtime and Kubernetes partitions cancelled), do not retain the default value of this parameter. For details about the shared disk space, see Space Allocation of a Data Disk.

  • If you want to store system components in the system disk, do not use the default value.
Table 12 Storage

Parameter

Mandatory

Type

Description

storageSelectors

Yes

Array of StorageSelectors objects

Details:

Disk selection. Matched disks are managed based on matchLabels and storageType settings. Disks are matched in sequence. The matching rule in the front is matched first.

Constraints:

None

storageGroups

Yes

Array of StorageGroups objects

Details:

A storage group consisting of multiple storage devices, which are used to divide storage space.

Constraints:

None
Table 13 StorageSelectors

Parameter

Mandatory

Type

Description

name

Yes

String

Details:

Name of a selector, which is used as the index of selectorNames in storageGroup.

Constraints:

The name of each selector must be unique.

Options:

N/A

Default value:

N/A

storageType

Yes

String

Details:

Storage type

Constraints:

  • The local storage type does not support disk selection. All local disks form a VG. Therefore, only one local storage selector is allowed.

  • The system storage type does not support disk selection. It is recommended that you use the system disk to store system components. As a result, only one storage selector of the system type is allowed, and the name must be cceUse.

Options:

Only evs (EVS disks), local (local disks), and system (system disks) are supported.

Default value:

N/A

matchLabels

No

matchLabels object

Details:

Matching field of an EVS disk

Constraints:

If storageType is set to system (system disk), you do not need to configure this parameter.

Options:

The size, volumeType, metadataEncrypted, metadataCmkid, and count fields in DataVolume are supported.

Default value:

N/A
Table 14 matchLabels

Parameter

Mandatory

Type

Description

size

No

String

Details:

Matched disk size, for example, 100. If this parameter is left blank, the disk size is not limited.

Constraints:

None

Options:

N/A

Default value:

N/A

volumeType

No

String

Details:

EVS disk type

Constraints:

None

Options:

SSD, GPSSD, SAS, ESSD, and SATA are supported. If this parameter is left blank, there is no restriction on the disk type.

Default value:

N/A

metadataEncrypted

No

String

Details:

Disk encryption identifier. If this parameter is set to 0, it specifies that the disk is not encrypted. If this parameter is set to 1, it specifies that the disk is encrypted. If this parameter is left blank, there is no restriction on the disk encryption identifier.

Constraints:

None

Options:

N/A

Default value:

N/A

metadataCmkid

No

String

Details:

CMK ID of an encrypted disk. The value is a string of 36 bytes. If this parameter is left blank, there is no restriction on the disk key ID.

Constraints:

None

Options:

N/A

Default value:

N/A

count

No

String

Details:

Number of disks to be selected. If this parameter is left blank, all disks of this type are selected.

Constraints:

None

Options:

N/A

Default value:

N/A
Table 15 StorageGroups

Parameter

Mandatory

Type

Description

name

Yes

String

Details:

Name of a virtual storage group, which must be unique

Constraints:

None

Options:

  • If cceManaged is set to true, the name field must be set to vgpaas.

  • If the data disk is used as a temporary storage volume, the name field must be set to vg-everest-localvolume-ephemeral.

  • If the data disk is used as a persistent storage volume, the name field must be set to vg-everest-localvolume-persistent.

Default value:

N/A

cceManaged

No

Boolean

Details:

Storage space to which Kubernetes and runtime belong. Only one group is set to true. If this parameter is left blank, the default value false is used.

Constraints:

None

Options:

N/A

Default value:

N/A

selectorNames

Yes

Array of strings

Details:

Corresponds to name in storageSelectors. One group can select multiple selectors, but one selector can be selected by only one group.

Constraints:

System components cannot be separately stored in the system disk and data disks. Therefore, when the selector type is set to system, only one selector can be selected for a group.

virtualSpaces

Yes

Array of VirtualSpace objects

Details:

Detailed management of space configurations in a group

Constraints:

None
Table 16 VirtualSpace

Parameter

Mandatory

Type

Description

name

Yes

String

Details:

Name of a virtualSpace. Only types of share, kubernetes, runtime, and user are supported.

Constraints:

None

Options:

  • Kubernetes: Kubernetes space configuration. lvmConfig needs to be configured.

  • runtime: runtime space configuration. runtimeConfig needs to be configured.

  • user: user space configuration. lvmConfig needs to be configured.

Default value:

N/A

size

Yes

String

Details:

Size of a virtualSpace. The value must be an integer in percentage, for example, 90%.

Constraints:

None

Options:

10 to 90. The sum of percentages of all virtualSpaces in a group cannot exceed 100%.

Default value:

N/A

lvmConfig

No

LVMConfig object

Details:

LVM configuration management, which is applicable to share, Kubernetes, and user space configuration

Constraints:

One virtualSpace supports only one config.

runtimeConfig

No

RuntimeConfig object

Details:

Runtime configuration management, which is applicable to runtime space configuration

Constraints:

One virtualSpace supports only one config.
Table 17 LVMConfig

Parameter

Mandatory

Type

Description

lvType

Yes

String

Details:

LVM write mode. linear indicates the linear mode. striped indicates the striped mode, in which multiple disks are used to form a strip to improve disk performance.

Constraints:

None

Options:

N/A

Default value:

N/A

path

No

String

Details:

Disk mount path. This parameter only takes effect in user configuration. The value can be an absolute path containing digits, uppercase letters, lowercase letters, periods (.), hyphens (-), and underscores (_).

Constraints:

Do not leave the path empty or set it to a key OS path such as the root directory. Key OS paths that cannot be entered:

/, /home, /home/, /bin, /bin/, /lib, /lib/, /root, /root/, /boot, /boot/, /dev, /dev/, /etc, /etc/, /lost+found, /lost+found/, /mnt, /mnt/, /proc, /proc/,/sbin, /sbin/, /srv, /srv/, /tmp, /tmp/, /var, /var/, /media, /media/, /opt, /opt/, /selinux, /selinux/, /sys, /sys/, /usr, /usr/, /opt/cloud/, /mnt/paas/, /home/paas/, /var/paas/, /var/lib/, /var/script/

Options:

N/A

Default value:

N/A
Table 18 RuntimeConfig

Parameter

Mandatory

Type

Description

lvType

Yes

String

Details:

LVM write mode. linear indicates the linear mode. striped indicates the striped mode, in which multiple disks are used to form a strip to improve disk performance.

Constraints:

None

Options:

N/A

Default value:

N/A
Table 19 ReinstallRuntimeConfig

Parameter

Mandatory

Type

Description

dockerBaseSize

No

Integer

Available disk space of a single container on a node, in GB. This parameter has been discarded. Use containerBaseSize.

If this parameter is left blank or is set to 0, the default value is used. In Device Mapper mode, the default value is 10. In OverlayFS mode, the available space of a single container is not limited by default, and the dockerBaseSize setting takes effect only on nodes running EulerOS/Huawei Cloud EulerOS 2.0 in clusters of the new versions.

For details about how to allocate the space for the container runtime, see Data Disk Space Allocation.

When Device Mapper is used, it is recommended that dockerBaseSize be set to a value less than or equal to 80 GB. If the value is too large, the container runtime may fail to be started due to long initialization. If there are special requirements for the container disk space, you can mount an external or local storage device.

containerBaseSize

No

Integer

Available disk space of a single container on a node, in GiB.

If this parameter is left blank or is set to 0, the default value is used. In OverlayFS mode, the available space of a single container is not limited by default. In Device Mapper mode, the default value is 10, and the containerBaseSize setting takes effect only on nodes running EulerOS/Huawei Cloud EulerOS 2.0 in clusters v1.23.14-r0, v1.25.9-r0, v1.27.6-r0, v1.28.4-r0 or later.

For details about how to allocate the space for the container runtime, see Data Disk Space Allocation.

When Device Mapper is used, it is recommended that containerBaseSize be set to a value less than or equal to 80 GB. If the value is too large, the container runtime may fail to be started due to long initialization. If there are special requirements for the container disk space, you can mount an external or local storage device. In new versions, the Device Mapper mode is used only by BMSs in the same resource pool and is being discarded.

NOTE:

This parameter cannot be updated when a node pool is being updated.

runtime

No

Runtime object

Details:

Container runtime

  • Clusters earlier than v1.25: The default value is docker.

  • Clusters of v1.25 or later: The default value varies with the OSs.

  • For nodes running EulerOS 2.5 or EulerOS 2.8, the default container runtime is docker. For nodes running other OSs, the default container runtime is containerd.

Constraints:

N/A
Table 20 Runtime

Parameter

Mandatory

Type

Description

name

No

String

Details:

Container runtime

Constraints:

None

Options:

N/A

Default value:

  • Clusters earlier than v1.25: The default value is docker.

  • Clusters of v1.25 or later: The default value varies with the OSs.

  • For nodes running EulerOS 2.5 or EulerOS 2.8, the default value is docker. For nodes running other OSs, the default value is containerd.
Table 21 ReinstallK8sOptionsConfig

Parameter

Mandatory

Type

Description

labels

No

Map<String,String>

Defined in key-value pairs. A maximum of 20 key-value pairs are allowed.

  • Key: Enter 1 to 63 characters starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain containing a maximum of 253 characters (such as example.com/my-key) can be prefixed to a key.

  • Value: The value can be left blank or contain 1 to 63 characters that start and end with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Example:

"k8sTags": {
  "key": "value"
}

taints

No

Array of Taint objects

Details:

Taints, which can be added to nodes for anti-affinity configuration. Each taint contains the following parameters:

  • Key: Enter 1 to 63 characters starting and ending with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain can be prefixed to a key.

  • Value: Enter 1 to 63 characters starting and ending with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

  • Effect: Available options are NoSchedule, PreferNoSchedule, and NoExecute.

    When creating a node, you can specify an initial value for this field and this field is not returned during query. In node pools, the initial value can be specified in the node template and this field is returned during query. In other scenarios, this field is not returned during query.

Example:

"taints": [{
  "key": "status",
  "value": "unavailable",
  "effect": "NoSchedule"
}, {
  "key": "looks",
  "value": "bad",
  "effect": "NoSchedule"
}]

Constraints:

A maximum of 20 taints can be configured.

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.

nicMultiqueue

No

String

  • Number of ENI queues. Example:

"[{\"queue\":4}]"

The following fields are included:

  • queue: number of ENI queues

  • This field can be configured only for BMS nodes in CCE Turbo clusters.

  • Supported configurations: {"1":128, "2":92, "4":92, "8":32, "16":16,"28":9}, indicating that a maximum of 128 ENIs can be associated if there is one queue and a maximum of 92 ENIs if there are two queues.

  • A larger number of ENI queues indicates higher performance but fewer ENIs can be associated. The queue settings cannot be changed after creation.

nicThreshold

No

String

  • ENI pre-binding thresholds. Example setting:

"0.3:0.6"

  • Low threshold (L): determines the minimum number of pre-bound ENIs (Min). Formula: Min = Total number of ENIs of the node x L

  • High threshold (H): determines the maximum number of pre-bound ENIs (Max). Formula: Max = Total number of ENIs of the node x H

  • Number of ENIs bound to a BMS node (B) and number of ENIs being used by pods (U): U + Min < B < U + Max

  • If the number of pre-bound ENIs on a BMS node is smaller than the minimum allowed, the system will bind more ENIs to make the numbers equal.

  • If the number of pre-bound ENIs on a BMS node is larger than the maximum allowed, the system periodically unbinds ENIs (about every 2 minutes) to make the numbers equal.

  • Both the thresholds are one-decimal-place values ranging from 0.0 to 1.0. The low threshold must be smaller than or equal to the high one.

  • This field can be configured only for BMS nodes in a CCE Turbo cluster.

  • Pre-binding ENIs can speed up workload creation but occupies IP addresses.
Table 22 Taint

Parameter

Mandatory

Type

Description

key

Yes

String

Details:

Key

Constraints:

The value must contain 1 to 63 characters starting and ending with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Options:

N/A

Default value:

N/A

value

No

String

Details:

Value

Constraints:

The value must contain 1 to 63 characters starting and ending with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Options:

N/A

Default value:

N/A

effect

Yes

String

Details:

Effect

Constraints:

None

Options:

Available options are NoSchedule, PreferNoSchedule, and NoExecute.

Default value:

N/A
Table 23 NodeLifecycleConfig

Parameter

Mandatory

Type

Description

preInstall

No

String

Pre-installation script. The characters of both the pre-installation and post-installation scripts are centrally calculated, and the total number of characters after transcoding cannot exceed 10,240.

The input value must be encoded using Base64. The method is as follows:

echo -n "*Content to be encoded*" | base64

postInstall

No

String

Post-installation script. The characters of both the pre-installation and post-installation scripts are centrally calculated, and the total number of characters after transcoding cannot exceed 10,240.

The input value must be encoded using Base64. The method is as follows:

echo -n "*Content to be encoded*" | base64
Table 24 ReinstallExtendParam

Parameter

Mandatory

Type

Description

alpha.cce/NodeImageID

No

String

(Discarded) ID of the user image to run the target OS.

Specifying this parameter is equivalent to specifying imageID in ReinstallVolumeSpec. The original value will be overwritten.
Table 25 HostnameConfig

Parameter

Mandatory

Type

Description

type

Yes

String

Details:

Configuration type of the Kubernetes node name. The default value is privateIp.

Constraints:

  • The node names, Kubernetes node names, and VM names of the nodes configured with cceNodeName are the same. Node names cannot be changed. Once a VM name is altered on the ECS console, the node name cannot be modified accordingly during ECS synchronization.

  • To prevent conflicts between Kubernetes node names, a suffix is automatically added to the node name of a node configured with cceNodeName. The suffix consists of a hyphen (-) followed by five random lowercase letters and digits (0 to 9).

Options:

  • privateIp: Use the private node IP address the as the Kubernetes node name.

  • cceNodeName: Use the CCE node name as the Kubernetes node name.

Default value:

privateIp

Response Parameters

Status code: 200

Table 26 Response body parameters

Parameter

Type

Description

jobid

String

Job ID returned after the job is delivered. The job ID can be used to query the job execution status.

Example Requests

  • Reset the nodes running EulerOS 2.5 in the default node pool.

    POST /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/reset

{
  "kind" : "List",
  "apiVersion" : "v3",
  "nodeList" : [ {
    "nodeID" : "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy",
    "spec" : {
      "name" : "my-ecs-0001",
      "os" : "EulerOS 2.5",
      "login" : {
        "sshKey" : "KeyPair-001"
      }
    }
  } ]
}

  • Reset a node in a node pool (invalid spec).

    POST /api/v3/projects/{project_id}/clusters/{cluster_id}/nodes/reset

{
  "kind" : "List",
  "apiVersion" : "v3",
  "nodeList" : [ {
    "nodeID" : "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
    "spec" : {
      "name" : "my-ecs-0001",
      "os" : "EulerOS 2.5",
      "login" : {
        "sshKey" : "KeyPair-001"
      }
    }
  } ]
}

Example Responses

Status code: 200

The job for resetting a node in a specified cluster is successfully delivered.

{
  "jobid" : "2ec9b78d-9368-46f3-8f29-d1a95622a568"
}

SDK Sample Code

The SDK sample code is as follows.

  • Reset the nodes running EulerOS 2.5 in the default node pool.

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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.UUID;
import java.util.List;
import java.util.ArrayList;

public class ResetNodeSolution {

    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();
        ResetNodeRequest request = new ResetNodeRequest();
        request.withClusterId("{cluster_id}");
        ResetNodeList body = new ResetNodeList();
        Login loginSpec = new Login();
        loginSpec.withSshKey("KeyPair-001");
        ReinstallNodeSpec specNodeList = new ReinstallNodeSpec();
        specNodeList.withOs("EulerOS 2.5")
            .withLogin(loginSpec)
            .withName("my-ecs-0001");
        List<ResetNode> listbodyNodeList = new ArrayList<>();
        listbodyNodeList.add(
            new ResetNode()
                .withNodeID(UUID.fromString("yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy"))
                .withSpec(specNodeList)
        );
        body.withNodeList(listbodyNodeList);
        body.withKind("List");
        body.withApiVersion("v3");
        request.withBody(body);
        try {
            ResetNodeResponse response = client.resetNode(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());
        }
    }
}

  • Reset a node in a node pool (invalid spec).

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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.UUID;
import java.util.List;
import java.util.ArrayList;

public class ResetNodeSolution {

    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();
        ResetNodeRequest request = new ResetNodeRequest();
        request.withClusterId("{cluster_id}");
        ResetNodeList body = new ResetNodeList();
        Login loginSpec = new Login();
        loginSpec.withSshKey("KeyPair-001");
        ReinstallNodeSpec specNodeList = new ReinstallNodeSpec();
        specNodeList.withOs("EulerOS 2.5")
            .withLogin(loginSpec)
            .withName("my-ecs-0001");
        List<ResetNode> listbodyNodeList = new ArrayList<>();
        listbodyNodeList.add(
            new ResetNode()
                .withNodeID(UUID.fromString("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"))
                .withSpec(specNodeList)
        );
        body.withNodeList(listbodyNodeList);
        body.withKind("List");
        body.withApiVersion("v3");
        request.withBody(body);
        try {
            ResetNodeResponse response = client.resetNode(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());
        }
    }
}

  • Reset the nodes running EulerOS 2.5 in the default node pool.

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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 = ResetNodeRequest()
        request.cluster_id = "{cluster_id}"
        loginSpec = Login(
            ssh_key="KeyPair-001"
        )
        specNodeList = ReinstallNodeSpec(
            os="EulerOS 2.5",
            login=loginSpec,
            name="my-ecs-0001"
        )
        listNodeListbody = [
            ResetNode(
                node_id="yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy",
                spec=specNodeList
            )
        ]
        request.body = ResetNodeList(
            node_list=listNodeListbody,
            kind="List",
            api_version="v3"
        )
        response = client.reset_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)

  • Reset a node in a node pool (invalid spec).

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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 = ResetNodeRequest()
        request.cluster_id = "{cluster_id}"
        loginSpec = Login(
            ssh_key="KeyPair-001"
        )
        specNodeList = ReinstallNodeSpec(
            os="EulerOS 2.5",
            login=loginSpec,
            name="my-ecs-0001"
        )
        listNodeListbody = [
            ResetNode(
                node_id="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
                spec=specNodeList
            )
        ]
        request.body = ResetNodeList(
            node_list=listNodeListbody,
            kind="List",
            api_version="v3"
        )
        response = client.reset_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)

  • Reset the nodes running EulerOS 2.5 in the default node pool.

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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.ResetNodeRequest{}
	request.ClusterId = "{cluster_id}"
	sshKeyLogin:= "KeyPair-001"
	loginSpec := &model.Login{
		SshKey: &sshKeyLogin,
	}
	nameSpec:= "my-ecs-0001"
	specNodeList := &model.ReinstallNodeSpec{
		Os: "EulerOS 2.5",
		Login: loginSpec,
		Name: &nameSpec,
	}
	var listNodeListbody = []model.ResetNode{
        {
            NodeID: "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy",
            Spec: specNodeList,
        },
    }
	request.Body = &model.ResetNodeList{
		NodeList: listNodeListbody,
		Kind: "List",
		ApiVersion: "v3",
	}
	response, err := client.ResetNode(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

  • Reset a node in a node pool (invalid spec).

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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.ResetNodeRequest{}
	request.ClusterId = "{cluster_id}"
	sshKeyLogin:= "KeyPair-001"
	loginSpec := &model.Login{
		SshKey: &sshKeyLogin,
	}
	nameSpec:= "my-ecs-0001"
	specNodeList := &model.ReinstallNodeSpec{
		Os: "EulerOS 2.5",
		Login: loginSpec,
		Name: &nameSpec,
	}
	var listNodeListbody = []model.ResetNode{
        {
            NodeID: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
            Spec: specNodeList,
        },
    }
	request.Body = &model.ResetNodeList{
		NodeList: listNodeListbody,
		Kind: "List",
		ApiVersion: "v3",
	}
	response, err := client.ResetNode(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 resetting a node in a specified cluster is successfully delivered.

Error Codes

See Error Codes.

Parent Topic: Node Management