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CreateNodeGroup

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Creates a node group in a cluster.

Operation description

Creates a session, returns the frontend endpoint, and starts a periodic task to track the session status.

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Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

eflo:CreateNodeGroup

create

*Cluster

acs:eflo:{#regionId}:{#accountId}:cluster/{#ClusterId}
  • eflo:ImageSource
  • eflo:ImageOwnerId
 None

Request parameters

Parameter

Type

Required

Description

Example
NodeGroup

object

Yes

The node ID.

Az

string

Yes

The zone.

cn-wulanchabu-b
NodeGroupDescription

string

No

The node group description.

节点分组描述
NodeGroupName

string

Yes

The node group name.

PAI-LINGJUN
MachineType

string

Yes

The machine type.

mock-machine-type3
ImageId

string

Yes

The image ID.

i191887641687336652616
UserData

string

No

A custom executable shell script that must be Base64-encoded. The maximum size of the raw data is 16 KB.

ZWNobyBoZWxsbyBlY3Mh
SystemDisk

object

No

The system disk configuration of the node.

Size

integer

No

The disk size. Unit: GB.

1000
PerformanceLevel

string

No

The performance level (PL) of the ESSD cloud disk used as the system disk. Valid values:

  • PL0: a maximum of 10,000 random read/write IOPS per cloud disk.

  • PL1: a maximum of 50,000 random read/write IOPS per cloud disk.

PL1
Category

string

No

The cloud disk type. Valid values:

  • cloud_essd: Enterprise SSD (ESSD) cloud disk.

clou_essd
FileSystemMountEnabled

boolean

No

Specifies whether file storage mounting is supported.

false
VirtualGpuEnabled

boolean

No

Specifies whether GPU virtualization splitting is enabled.

false
KeyPairName

string

No

The key pair name.

test-keypair
LoginPassword

string

No

The logon password.

test-LoginPassword
RamRoleName

string

No

The RAM role name of the node. You can call the RAM API ListRoles to query the RAM roles you have created. The trusted entity of the role must be set to Lingjun AI Computing Service.

Note

Note: Clearing an existing role is not currently supported.

xianwen-test-ram-role
ClusterId

string

Yes

The cluster ID.

i118191731740041623425
NodeUnit

object

No

The node information.

{\"NodeUnitId\":\"3c2999a8-2b95-4409-93c5-ad3985fc5c9f\",\"ResourceGroupId\":\"\",\"MaxNodes\":0,\"NodeUnitName\":\"asi_cn-serverless-sale_e01-lingjun-psale\"}

any

No

The node information.

{\"NodeUnitId\":\"3c2999a8-2b95-4409-93c5-ad3985fc5c9f\",\"ResourceGroupId\":\"\",\"MaxNodes\":0,\"NodeUnitName\":\"asi_cn-serverless-sale_e01-lingjun-psale\"}

Response elements

Element

Type

Description

Example

object

RequestId

string

Id of the request

887FA855-89F4-5DB3-B305-C5879EC480E6
NodeGroupId

string

The node group ID.

ng-ec3c96ff0aa4c60d
NodeGroupName

string

The node group name.

emr-default

Examples

Success response

JSON format

{
  "RequestId": "887FA855-89F4-5DB3-B305-C5879EC480E6",
  "NodeGroupId": "ng-ec3c96ff0aa4c60d",
  "NodeGroupName": "emr-default"
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.