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Elastic High Performance Computing:ListNodesNoPaging

Last Updated:Apr 09, 2024

Queries the information of all nodes in a specified cluster on one page.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
ehpc:ListNodesNoPagingREAD
  • All Resources
    *
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
ClusterIdstringYes

The ID of the cluster.

You can call the ListClusters operation to query the cluster ID.

ehpc-hz-FYUr32****
RolestringNo

The type of the node. Valid values:

  • Manager: management node
  • Login: logon node
  • Compute: compute node

Default value: Compute.

Compute
HostNamestringNo

The name of the node. You can perform a fuzzy search. MySQL regular expressions are supported.

Compute0
SequencestringNo

The sorting method of the node list. Valid values:

  • Forward: sorts the nodes in chronological order.
  • Backward: sorts the nodes in reverse chronological order.

Default value: Forward.

Forward

Response parameters

ParameterTypeDescriptionExample
object
RequestIdstring

The request ID.

04F0F334-1335-436C-A1D7-6C044FE7****
Nodesobject []

The list of nodes.

Statusstring

The status of the node. Valid values:

  • uninit: The node is being installed.
  • exception: An exception occurred on the node.
  • running: The node is running.
  • initing: The node is being initialized.
  • releasing: The node is being released.
  • untracking: The node is not added to the cluster.
  • stopped: The node is stopped.
untracking
HostNamestring

The node name.

compute0
InstanceTypestring

The node type.

ecs.n1.tiny
ImageIdstring

The image ID.

centos_7_02_64_20G_alibase_20170818****
Idstring

The node ID.

i-bp13p7vlcb1uihfv****

Examples

Sample success responses

JSONformat

{
  "RequestId": "04F0F334-1335-436C-A1D7-6C044FE7****",
  "Nodes": {
    "NodeInfo": [
      {
        "Status": "untracking",
        "HostName": "compute0",
        "InstanceType": "ecs.n1.tiny",
        "ImageId": "centos_7_02_64_20G_alibase_20170818****",
        "Id": "i-bp13p7vlcb1uihfv****"
      }
    ]
  }
}

Error codes

HTTP status codeError codeError messageDescription
400InvalidParamsThe specified parameter %s is invalid.The specified parameter %s is invalid.
400NotEnabledYou have not enabled this serviceYou have not enabled this service
404ClusterNotFoundThe specified cluster does not exist.The specified instance does not exist.
404ManagerNotFoundThe manager nodes do not exist or their status is abnormal.The manager nodes do not exist or their status is abnormal.
406EcsErrorAn error occurred while calling the ECS API operation.An error occurred while calling the ECS API operation.
406DbErrorA database service error occurred.Database request failed.
406RedisErrorA Redis service error occurred.Redis request failed.
406AgentErrorThe agent service request failed.-
406AliyunErrorAn Alibaba Cloud product error occurred.An Alibaba Cloud product error occurred.
407NotAuthorizedYou are not authorized by RAM for this request.The request is not authorized by RAM.
500UnknownErrorAn unknown error occurred.An unknown error occurred.
503ServiceUnavailableThe request has failed due to a temporary failure of the serverThe request has failed due to a temporary failure of the server.

For a list of error codes, visit the Service error codes.