ParallelComputingService / Client / get_cluster

get_cluster

ParallelComputingService.Client.get_cluster(**kwargs)

Returns detailed information about a running cluster in your account. This API action provides networking information, endpoint information for communication with the scheduler, and provisioning status.

See also: AWS API Documentation

Request Syntax

response = client.get_cluster(
    clusterIdentifier='string'
)

Parameters:

clusterIdentifier (string) –

[REQUIRED]

The name or ID of the cluster of the queue.

Return type:

dict

Returns:

Response Syntax

{
    'cluster': {
        'name': 'string',
        'id': 'string',
        'arn': 'string',
        'status': 'CREATING'|'ACTIVE'|'UPDATING'|'DELETING'|'CREATE_FAILED'|'DELETE_FAILED'|'UPDATE_FAILED',
        'createdAt': datetime(2015, 1, 1),
        'modifiedAt': datetime(2015, 1, 1),
        'scheduler': {
            'type': 'SLURM',
            'version': 'string'
        },
        'size': 'SMALL'|'MEDIUM'|'LARGE',
        'slurmConfiguration': {
            'scaleDownIdleTimeInSeconds': 123,
            'slurmCustomSettings': [
                {
                    'parameterName': 'string',
                    'parameterValue': 'string'
                },
            ],
            'authKey': {
                'secretArn': 'string',
                'secretVersion': 'string'
            }
        },
        'networking': {
            'subnetIds': [
                'string',
            ],
            'securityGroupIds': [
                'string',
            ]
        },
        'endpoints': [
            {
                'type': 'SLURMCTLD'|'SLURMDBD',
                'privateIpAddress': 'string',
                'publicIpAddress': 'string',
                'port': 'string'
            },
        ],
        'errorInfo': [
            {
                'code': 'string',
                'message': 'string'
            },
        ]
    }
}

Response Structure

• (dict) –

  • cluster (dict) –

    The cluster resource.

    • name (string) –

      The name that identifies the cluster.

    • id (string) –

      The generated unique ID of the cluster.

    • arn (string) –

      The unique Amazon Resource Name (ARN) of the cluster.

    • status (string) –

      The provisioning status of the cluster.

      Note

      The provisioning status doesn’t indicate the overall health of the cluster.

    • createdAt (datetime) –

      The date and time the resource was created.

    • modifiedAt (datetime) –

      The date and time the resource was modified.

    • scheduler (dict) –

      The cluster management and job scheduling software associated with the cluster.

      • type (string) –

        The software Amazon Web Services PCS uses to manage cluster scaling and job scheduling.

      • version (string) –

        The version of the specified scheduling software that Amazon Web Services PCS uses to manage cluster scaling and job scheduling.

    • size (string) –

      The size of the cluster.

      • SMALL: 32 compute nodes and 256 jobs

      • MEDIUM: 512 compute nodes and 8192 jobs

      • LARGE: 2048 compute nodes and 16,384 jobs

    • slurmConfiguration (dict) –

      Additional options related to the Slurm scheduler.

      • scaleDownIdleTimeInSeconds (integer) –

        The time before an idle node is scaled down.

      • slurmCustomSettings (list) –

        Additional Slurm-specific configuration that directly maps to Slurm settings.

        • (dict) –

          Additional settings that directly map to Slurm settings.

          • parameterName (string) –

            Amazon Web Services PCS supports configuration of the following Slurm parameters:

            • For clusters

              • Prolog

              • Epilog

              • SelectTypeParameters

            • For compute node groups

              • Weight

              • RealMemory

          • parameterValue (string) –

            The values for the configured Slurm settings.

      • authKey (dict) –

        The shared Slurm key for authentication, also known as the cluster secret.

        • secretArn (string) –

          The Amazon Resource Name (ARN) of the the shared Slurm key.

        • secretVersion (string) –

          The version of the shared Slurm key.

    • networking (dict) –

      The networking configuration for the cluster’s control plane.

      • subnetIds (list) –

        The ID of the subnet where Amazon Web Services PCS creates an Elastic Network Interface (ENI) to enable communication between managed controllers and Amazon Web Services PCS resources. The subnet must have an available IP address, cannot reside in AWS Outposts, AWS Wavelength, or an AWS Local Zone.

        Example: subnet-abcd1234

        • (string) –

      • securityGroupIds (list) –

        The list of security group IDs associated with the Elastic Network Interface (ENI) created in subnets.

        The following rules are required:

        • Inbound rule 1

          • Protocol: All

          • Ports: All

          • Source: Self

        • Outbound rule 1

          • Protocol: All

          • Ports: All

          • Destination: 0.0.0.0/0 (IPv4)

        • Outbound rule 2

          • Protocol: All

          • Ports: All

          • Destination: Self

        • (string) –

    • endpoints (list) –

      The list of endpoints available for interaction with the scheduler.

      • (dict) –

        An endpoint available for interaction with the scheduler.

        • type (string) –

          Indicates the type of endpoint running at the specific IP address.

        • privateIpAddress (string) –

          The endpoint’s private IP address.

          Example: 2.2.2.2

        • publicIpAddress (string) –

          The endpoint’s public IP address.

          Example: 1.1.1.1

        • port (string) –

          The endpoint’s connection port number.

          Example: 1234

    • errorInfo (list) –

      The list of errors that occurred during cluster provisioning.

      • (dict) –

        An error that occurred during resource creation.

        • code (string) –

          The short-form error code.

        • message (string) –

          The detailed error information.

Exceptions

• ParallelComputingService.Client.exceptions.ThrottlingException

• ParallelComputingService.Client.exceptions.ValidationException

• ParallelComputingService.Client.exceptions.ConflictException

• ParallelComputingService.Client.exceptions.ResourceNotFoundException

• ParallelComputingService.Client.exceptions.InternalServerException

• ParallelComputingService.Client.exceptions.AccessDeniedException