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Creating Resource Pools

Updated on 2024-06-06 GMT+08:00

Function

This API is used to create resource pools.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

URI

POST /v2/{project_id}/pools

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID and Name.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-ModelArts-User-ID

No

String

Tenant ID. If there is a tenant ID, it will be used for workspace authentication.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

apiVersion

Yes

String

API version. Options:

  • v2

kind

Yes

String

Resource type. Options:

  • Pool: resource pool

metadata

Yes

PoolMetadataCreation object

Metadata of a resource pool.

spec

No

PoolSpecCreation object

Description of a resource pool.

Table 4 PoolMetadataCreation

Parameter

Mandatory

Type

Description

labels

Yes

PoolLabelsCreation object

Resource pool labels.

annotations

No

PoolAnnotationsCreation object

Resource pool annotations.

Table 5 PoolLabelsCreation

Parameter

Mandatory

Type

Description

os.modelarts/workspace.id

No

String

Workspace ID. The default value is 0.

os.modelarts/name

Yes

String

Name of a pool specified by a user.

Table 6 PoolAnnotationsCreation

Parameter

Mandatory

Type

Description

os.modelarts/description

No

String

Description of a resource pool.

os.modelarts/billing.mode

No

String

Charging mode. The options are as follows:

  • 0: Pay per use

  • 1: Yearly/Monthly

os.modelarts/period.num

No

String

Duration-based subscription period, for example, 2. This parameter is mandatory when Billing Mode is set to Yearly/Monthly.

os.modelarts/period.type

No

String

Duration-based subscription type. The options are as follows:

  • 2: month

  • 3: year

This parameter is mandatory when Billing Mode is set to Yearly/Monthly.

os.modelarts/auto.renew

No

String

Whether to enable auto-renewal. The options are as follows:

  • 0: auto-renewal disabled (default value)

os.modelarts/promotion.info

No

String

Discount information selected by a subscriber in the CBC.

os.modelarts/service.console.url

No

String

URL of the page that is displayed after the subscription order is paid.

os.modelarts/order.id

No

String

Specifies the order ID. This parameter is mandatory when a yearly/monthly pool is created or the billing mode is changed.

Table 7 PoolSpecCreation

Parameter

Mandatory

Type

Description

type

Yes

String

Resource pool type. The options are as follows:

  • Dedicate: physical resource pool, which uses a separate network and supports network connection, custom drivers, and custom job types.

scope

Yes

Array of strings

Job type supported by the resource pool. Select at least one type. You can select all physical resource pools. The options are as follows:

  • Train: training job

  • Infer: inference job

  • Notebook: Notebook job

resources

Yes

Array of PoolResourceFlavor objects

List of resource specifications in the resource pool, including resource specifications and the number of resources of the corresponding specifications.

network

Yes

network object

Specifies the network parameters of the resource pool. This parameter is mandatory for physical resource pools.

jobFlavors

No

Array of strings

List of job specifications supported by the resource pool. The content is the job specification name.

driver

No

PoolDriver object

Indicates the driver information of the resource pool.

Table 8 PoolResourceFlavor

Parameter

Mandatory

Type

Description

flavor

Yes

String

Resource flavor, for example, modelarts.vm.gpu.tnt004.

count

Yes

Integer

Number of resources of the corresponding specifications.

Table 9 network

Parameter

Mandatory

Type

Description

name

Yes

String

Specifies the network name, that is, the value of metadata.name in the network details. When a user interface creates a network by specifying the network name, the system automatically creates a subnet. The user cannot create a subnet. By default, the system is created under the first subnet.

Table 10 PoolDriver

Parameter

Mandatory

Type

Description

gpuVersion

No

String

GPU driver version. This parameter is available when GPUs are used in a physical resource pool. For example, the GPU driver version is 440.33.

npuVersion

No

String

NPU driver version. This parameter is mandatory when the physical resource pool contains ascend specifications, for example, C78.

updateStrategy

No

String

Indicates the driver upgrade policy. The options are as follows:

  • force: forcible upgrade. The node driver is upgraded immediately, which may affect the running jobs on the node.

  • idle: secure upgrade. The driver is upgraded when no job is running on the node.

Response Parameters

Status code: 200

Table 11 Response body parameters

Parameter

Type

Description

apiVersion

String

API version. The options are as follows:

  • v2

kind

String

Resource type. The options are as follows:

  • Pool: resource pool

metadata

PoolMetadata object

Specifies the metadata of the resource pool.

spec

PoolSpecModel object

Expected information about a resource pool.

status

PoolStatus object

Status of a resource pool.

Table 12 PoolMetadata

Parameter

Type

Description

name

String

Automatically generated resource pool name, which is equivalent to pool ID.

creationTimestamp

String

Timestamp, for example, 2021-11-01T03:49:41Z.

labels

PoolMetaLabels object

Resource pool labels.

annotations

PoolMetaAnnotations object

Resource pool annotations.

Table 13 PoolMetaLabels

Parameter

Type

Description

os.modelarts/workspace.id

String

Workspace ID.

os.modelarts/name

String

Specified resource pool name.

os.modelarts/resource.id

String

ID of the primary resource in the resource pool, which is usually provided for CBC.

os.modelarts/tenant.domain.id

String

ID of the tenant corresponding to the resource pool, which records the tenant account where the resource pool is created

Table 14 PoolMetaAnnotations

Parameter

Type

Description

os.modelarts/description

String

Description of a resource pool.

os.modelarts/billing.mode

String

Billing mode. The options are as follows:

  • 0: Pay per use

  • 1: Yearly/Monthly

os.modelarts/period.num

String

Subscription period on a yearly/monthly basis, for example, 2.

os.modelarts/period.type

String

Yearly/monthly subscription. Options:

  • 2: month

  • 3: year

  • 4: hour

os.modelarts/auto.renew

String

Whether to automatically renew the subscription. Options:

  • 0: auto-renewal disabled (default value)

  • 1: auto-renewal enabled

os.modelarts/promotion.info

String

Discount selected in CBC.

os.modelarts/service.console.url

String

URL of the page displayed after the subscription order is paid.

os.modelarts/order.id

String

Order ID, which is mandatory when creating a yearly/monthly resource pool or changing its billing mode.

os.modelarts/flavor.resource.ids

String

Specifies the resource ID corresponding to each flavor, which is used for interaction with CBC.

os.modelarts/tms.tags

String

TMS tag specified by the user during creation.

Table 15 PoolSpecModel

Parameter

Type

Description

type

String

Resource pool type. The options are as follows:

  • Dedicate: physical resource pool, which uses a separate network and supports network connection, custom drivers, and custom job types.

scope

Array of strings

Job type supported by the resource pool. Select at least one type. You can select all physical resource pools. The options are as follows:

  • Train: training job

  • Infer: inference job

  • Notebook: Notebook job

resources

Array of resources objects

List of resource specifications in the resource pool, including resource specifications and the number of resources of the corresponding specifications.

network

network object

Specifies the network parameters of the resource pool. This parameter is mandatory for physical resource pools.

jobFlavors

Array of strings

List of job specifications supported by the resource pool. The content is the job specification name.

driver

PoolDriver object

Indicates the driver information of the resource pool.

controlMode

Integer

Restriction status of a resource pool. The options are as follows:

  • 0: not restricted

  • 1: Changing to the yearly/monthly billing is restricted.

  • 2: Modifying specifications is restricted.

  • 4: The service is restricted.

  • 8: frozen

  • 16: The resource pool is frozen by the public security department (cannot be unsubscribed). In addition, multiple statuses are allowed. For example, a resource pool is in state 9, indicating that it is frozen and changing its billing mode to yearly/monthly is restricted.

Table 16 resources

Parameter

Type

Description

flavor

String

Resource flavor, for example, modelarts.vm.gpu.tnt004.

count

Integer

Number of resources of the corresponding specifications.

azs

Array of PoolNodeAz objects

Specifies the AZ list.

Table 17 PoolNodeAz

Parameter

Type

Description

az

String

AZ name

count

Integer

Number of nodes for expanding the capacity of a specified AZ.

Table 18 network

Parameter

Type

Description

name

String

Specifies the network name. When a user interface creates a network by specifying the network name, the system automatically creates a subnet. Users cannot create a subnet. By default, the system is created under the first subnet.

Table 19 PoolDriver

Parameter

Type

Description

gpuVersion

String

GPU driver version. This parameter is available when GPUs are used in a physical resource pool. For example, the GPU driver version is 440.33.

npuVersion

String

NPU driver version. This parameter is mandatory when the physical resource pool contains ascend specifications, for example, C78.

updateStrategy

String

Indicates the driver upgrade policy. The options are as follows:

  • force: forcible upgrade. The node driver is upgraded immediately, which may affect the running jobs on the node.

  • idle: secure upgrade. The driver is upgraded when no job is running on the node.

Table 20 PoolStatus

Parameter

Type

Description

phase

String

Resource pool cluster status. The options are as follows:

  • Creating: It is being created.

  • Running: It is running.

  • Abnormal: The resource pool malfunctions.

  • Deleting: It is being deleted.

  • Error: An error occurred in the resource pool.

message

String

Message indicating that the resource pool is in the current state.

resources

resources object

Number of resources in different states in a resource pool.

scope

Array of scope objects

Service status of a resource pool.

driver

driver object

Resource pool driver.

parent

String

Name of the parent node in the resource pool. This parameter is left blank for physical pools.

root

String

Name of the root node in the resource pool. For a physical pool, set this parameter to its own name.

Table 21 resources

Parameter

Type

Description

creating

PoolResourceFlavorCount object

Number of resources that are being created.

available

PoolResourceFlavorCount object

Number of available resources.

abnormal

PoolResourceFlavorCount object

Number of unavailable resources.

deleting

PoolResourceFlavorCount object

Number of resources that are being deleted.

Table 22 PoolResourceFlavorCount

Parameter

Type

Description

flavor

String

Resource flavor name, for example, modelarts.vm.gpu.tnt004.

count

Integer

Indicates the guaranteed usage of specifications.

maxCount

Integer

Elastic usage of the resource specification. The value of this parameter is the same as that of count in the physical pool.

azs

Array of azs objects

Number of AZs where the resource is located.

Table 23 azs

Parameter

Type

Description

az

String

Name of an AZ.

count

Integer

Resources of an AZ.

Table 24 scope

Parameter

Type

Description

scopeType

String

Service type. The options are as follows:

  • Train: training task

  • Infer: inference task

  • Notebook: Notebook job

state

String

Service status. Options:

  • Enabling: The service is being enabled.

  • Enabled: The service is enabled.

  • Disabling: The service is being disabled.

  • Disabled: The service is disabled.

Table 25 driver

Parameter

Type

Description

gpu

PoolDriverStatus object

GPU driver.

npu

PoolDriverStatus object

NPU driver.

Table 26 PoolDriverStatus

Parameter

Type

Description

version

String

Indicates the current driver version.

state

String

Indicates the current driver status. Options:

  • Creating: The gateway is being created.

  • Upgrading: The upgrade is in progress.

  • Running

  • Abnormal: abnormal

Status code: 400

Table 27 Response body parameters

Parameter

Type

Description

error_code

String

Error codes of ModelArts.

error_msg

String

Error message.

Status code: 409

Table 28 Response body parameters

Parameter

Type

Description

error_code

String

Error codes of ModelArts.

error_msg

String

Error message.

Example Requests

The following is an example of how to create a dedicated resource pool whose resource type is Pool, pool name is pool-001, pool type is Dedicate (physical resource pool), and supported job type is Train.

POST https://{endpoint}/v2/{project_id}/pools

{
  "kind" : "Pool",
  "apiVersion" : "v2",
  "metadata" : {
    "labels" : {
      "os.modelarts/name" : "pool-001",
      "os.modelarts/workspace.id" : "0"
    },
    "annotations" : {
      "os.modelarts/description" : "",
      "os.modelarts/billing.mode" : "0"
    }
  },
  "spec" : {
    "type" : "Dedicate",
    "scope" : [ "Train" ],
    "network" : {
      "name" : "net-0123-86c13962597848eeb29c5861153a391f"
    },
    "resources" : [ {
      "flavor" : "modelarts.vm.gpu.tnt004",
      "count" : 2
    } ],
    "driver" : {
      "gpuVersion" : "440.31"
    }
  }
}

Example Responses

Status code: 400

Bad request

{
  "error_code" : "ModelArts.50004000",
  "error_msg" : "Bad request"
}

Status code: 409

Already exists

{
  "error_code" : "ModelArts.50015000",
  "error_msg" : "Pool already exists."
}

Status Codes

Status Code

Description

200

OK

400

Bad request

409

Already exists

Error Codes

See Error Codes.

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