Queries the details of a cluster.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeCluster

The operation that you want to perform. Set the value to DescribeCluster.

ClusterId String Yes ehpc-hz-QKKVqO****

The ID of the cluster. You can call the ListClusters operation to query the list of clusters in a region.

Response parameters

Parameter Type Example Description
RequestId String 04F0F334-1335-436C-A1D7-6C044FE73368

The ID of the request.

ClusterInfo Object

The information about the cluster.

Status String creating

The status of the cluster. Valid values:

  • uninit: The cluster is not initialized.
  • creating: The cluster is being created.
  • init: The cluster is being initialized.
  • running: The cluster is running.
  • exception: The cluster encounters an exception.
  • releasing: The cluster is being released.
VpcId String vpc-bp1pxkcvmmz53ki89****

The ID of the VPC.

KeyPairName String test

The name of the AccessKey pair.

EcsChargeType String PostPaid

The billing method of the nodes in the cluster. Valid values:

  • PostPaid: pay-as-you-go
  • PrePaid: subscription
SecurityGroupId String sg-bp1asugr34gzn****

The ID of the security group.

SccClusterId String 00b648b****

The ID of the Super Computing Cluster (SCC) instance. If the cluster is not an SCC instance, a null string is returned.

CreateTime String 2020-12-24T03:18:23.000Z

The time when the cluster was created.

AccountType String nis

The service type of the domain account. Valid values:

  • nis
  • ldap
VolumeProtocol String nfs

The type of the protocol that is used by the file system. Valid values:

  • nfs
  • smb
Description String cluster

The description of the cluster.

VolumeId String 008b64****

The ID of the Apsara File Storage NAS file system. NAS file systems cannot be automatically created.

HaEnable Boolean false

Indicates whether the high availability feature is enabled.

Note If high availability is enabled, a primary management node and a secondary management node are used.
BaseOsTag String CentOS_7.2_64

The image of the cluster.

Name String cluster

The name of the cluster.

ImageId String centos_7_02_64_20G_alibase_20170818****

The ID of the image.

SchedulerType String pbs

The type of the scheduler. Valid values:

  • pbs
  • slurm
  • opengridscheduler
  • deadline
DeployMode String Simple

The mode in which the cluster is deployed. Valid values:

  • Standard: An account node, a scheduling node, a logon node, and multiple compute nodes are separately deployed.
  • Advanced: Two high availability (HA) account nodes, two HA scheduler nodes, one logon node, and multiple compute nodes are separately deployed.
  • Simple: A management node, a logon node, and multiple compute nodes are deployed. The management node consists of an account node and a scheduling node. The logon node and compute nodes are separately deployed.
  • Tiny: A management node and multiple compute nodes are deployed. The management node consists of an account node, a scheduling node, and a logon node. The compute nodes are separately deployed.
  • OneBox: An account node, a scheduling node, a logon node, and a compute node are all deployed on one node.
ImageOwnerAlias String system

The type of the image. Valid values:

  • system: public image
  • self: custom image
  • others: shared image
  • marketplace: Alibaba Cloud Marketplace image
OsTag String CentOS_7.2_64

The image tag of the operating system.

VolumeMountpoint String 008b648bcb-s****.cn-hangzhou.nas.aliyuncs.com

The mount target of the file system. Mount targets cannot be automatically created for NAS file systems.

RemoteDirectory String NasMountpoint:/RemoteDirectory

The remote directory on which the file system is mounted.

RegionId String cn-hangzhou

The region ID of the security group.

VSwitchId String vsw-bp1e47optm9g58zcu****

The ID of the vSwitch. E-HPC can be deployed only in VPCs.

ImageName String test_for_Image

The name of the image.

VolumeType String NAS

The type of the network shared storage. Valid value: NAS.

Location String PublicCloud

The location where the cluster is deployed. Valid values:

  • OnPremise: The cluster is deployed on a hybrid cloud.
  • PublicCloud: The node is deployed on a public cloud.
Id String i-bp15de54eet1c43f****

The ID of the Elastic Compute Service (ECS) instance.

ClientVersion String 1.0.1

The version of the E-HPC client.

Applications Array of ApplicationInfo

The array of the software in the cluster. The array contains the name and version of the software.

ApplicationInfo
Tag String OpenMPI_1.8.7

The tag of the software.

Name String openmpi

The name of the software.

Version String 1.10

The version of the software.

PostInstallScripts Array of PostInstallScriptInfo

The list of scripts downloaded after the cluster was created.

PostInstallScriptInfo
Url String example.com

The URL that was used to download the script.

Args String bash file.sh

The runtime parameter of the script.

EcsInfo Object

The list of ECS instance specifications and quantity.

Manager Object

The list of management nodes.

InstanceType String ecs.n1.tiny

The instance type of the management nodes.

Count Integer 1

The number of management nodes.

Compute Object

The list of compute nodes.

InstanceType String ecs.n1.tiny

The instance type of the compute nodes.

Count Integer 1

The number of compute nodes.

Login Object

The list of logon nodes.

InstanceType String ecs.n1.tiny

The instance type of the logon nodes.

Count Integer 1

The number of logon nodes.

ProxyMgr Object

The list of proxy nodes on the cloud.

This parameter is returned only when the cluster is deployed across hybrid environments and the hybrid-cloud proxy mode is enabled for the cluster.

InstanceType String ecs.n1.tiny

The instance type of the proxy node.

Count Integer 1

The number of proxy nodes.

OnPremiseInfo Array of OnPremiseInfo

The list of on-premises management nodes.

This parameter is returned only when the cluster is deployed across hybrid environments and the hybrid-cloud proxy mode is enabled for the cluster.

OnPremiseInfo
Type String scheduler

The type of on-premises management nodes. Valid values:

  • scheduler
  • account
  • account, scheduler
HostName String testecs

The hostname of the on-premises management nodes.

IP String 192.168.*.*

The IP address of the on-premises management nodes.

Examples

Sample requests

https://ehpc.cn-hangzhou.aliyuncs.com/?Action=DescribeCluster
&ClusterId=ehpc-hz-QKKVqO****
&<Common request parameters>

Sample success responses

XML format 

HTTP/1.1 200 OK
Content-Type:application/xml

<DescribeClusterResponse>
    <RequestId>04F0F334-1335-436C-A1D7-6C044FE73368</RequestId>
    <ClusterInfo>
        <Status>creating</Status>
        <VpcId>vpc-bp1pxkcvmmz53ki89****</VpcId>
        <KeyPairName>test</KeyPairName>
        <EcsChargeType>PostPaid</EcsChargeType>
        <SecurityGroupId>sg-bp1asugr34gzn****</SecurityGroupId>
        <SccClusterId>00b648b****</SccClusterId>
        <CreateTime>2020-12-24T03:18:23.000Z</CreateTime>
        <AccountType>nis</AccountType>
        <VolumeProtocol>nfs</VolumeProtocol>
        <Description>cluster</Description>
        <VolumeId>008b64****</VolumeId>
        <HaEnable>false</HaEnable>
        <BaseOsTag>CentOS_7.2_64</BaseOsTag>
        <Name>cluster</Name>
        <ImageId>centos_7_02_64_20G_alibase_20170818****</ImageId>
        <SchedulerType>pbs</SchedulerType>
        <DeployMode>Simple</DeployMode>
        <ImageOwnerAlias>system</ImageOwnerAlias>
        <OsTag>CentOS_7.2_64</OsTag>
        <VolumeMountpoint>008b648bcb-s****.cn-hangzhou.nas.aliyuncs.com</VolumeMountpoint>
        <RemoteDirectory>NasMountpoint:/RemoteDirectory</RemoteDirectory>
        <RegionId>cn-hangzhou</RegionId>
        <VSwitchId>vsw-bp1e47optm9g58zcu****</VSwitchId>
        <ImageName>test_for_Image</ImageName>
        <VolumeType>NAS</VolumeType>
        <Location>PublicCloud</Location>
        <Id>i-bp15de54eet1c43f****</Id>
        <ClientVersion>1.0.1</ClientVersion>
        <Applications>
            <Tag>OpenMPI_1.8.7</Tag>
            <Name>openmpi</Name>
            <Version>1.10</Version>
        </Applications>
        <PostInstallScripts>
            <Url>example.com</Url>
            <Args>bash file.sh</Args>
        </PostInstallScripts>
        <EcsInfo>
            <Manager>
                <InstanceType>ecs.n1.tiny</InstanceType>
                <Count>1</Count>
            </Manager>
            <Compute>
                <InstanceType>ecs.n1.tiny</InstanceType>
                <Count>1</Count>
            </Compute>
            <Login>
                <InstanceType>ecs.n1.tiny</InstanceType>
                <Count>1</Count>
            </Login>
            <ProxyMgr>
                <InstanceType>ecs.n1.tiny</InstanceType>
                <Count>1</Count>
            </ProxyMgr>
        </EcsInfo>
        <OnPremiseInfo>
            <Type>scheduler</Type>
            <HostName>testecs</HostName>
            <IP>192.168.*.*</IP>
        </OnPremiseInfo>
    </ClusterInfo>
</DescribeClusterResponse>

JSON format 

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "04F0F334-1335-436C-A1D7-6C044FE73368",
  "ClusterInfo" : {
    "Status" : "creating",
    "VpcId" : "vpc-bp1pxkcvmmz53ki89****",
    "KeyPairName" : "test",
    "EcsChargeType" : "PostPaid",
    "SecurityGroupId" : "sg-bp1asugr34gzn****",
    "SccClusterId" : "00b648b****",
    "CreateTime" : "2020-12-24T03:18:23.000Z",
    "AccountType" : "nis",
    "VolumeProtocol" : "nfs",
    "Description" : "cluster",
    "VolumeId" : "008b64****",
    "HaEnable" : false,
    "BaseOsTag" : "CentOS_7.2_64",
    "Name" : "cluster",
    "ImageId" : "centos_7_02_64_20G_alibase_20170818****",
    "SchedulerType" : "pbs",
    "DeployMode" : "Simple",
    "ImageOwnerAlias" : "system",
    "OsTag" : "CentOS_7.2_64",
    "VolumeMountpoint" : "008b648bcb-s****.cn-hangzhou.nas.aliyuncs.com",
    "RemoteDirectory" : "NasMountpoint:/RemoteDirectory",
    "RegionId" : "cn-hangzhou",
    "VSwitchId" : "vsw-bp1e47optm9g58zcu****",
    "ImageName" : "test_for_Image",
    "VolumeType" : "NAS",
    "Location" : "PublicCloud",
    "Id" : "i-bp15de54eet1c43f****",
    "ClientVersion" : "1.0.1",
    "Applications" : [ {
      "Tag" : "OpenMPI_1.8.7",
      "Name" : "openmpi",
      "Version" : "1.10"
    } ],
    "PostInstallScripts" : [ {
      "Url" : "example.com",
      "Args" : "bash file.sh"
    } ],
    "EcsInfo" : {
      "Manager" : {
        "InstanceType" : "ecs.n1.tiny",
        "Count" : 1
      },
      "Compute" : {
        "InstanceType" : "ecs.n1.tiny",
        "Count" : 1
      },
      "Login" : {
        "InstanceType" : "ecs.n1.tiny",
        "Count" : 1
      },
      "ProxyMgr" : {
        "InstanceType" : "ecs.n1.tiny",
        "Count" : 1
      }
    },
    "OnPremiseInfo" : [ {
      "Type" : "scheduler",
      "HostName" : "testecs",
      "IP" : "192.168.*.*"
    } ]
  }
}

Error codes

HttpCode Error code Error message Description
400 InvalidParams The specified parameter %s is invalid. The error message returned because the %s parameter is invalid.
404 ClusterNotFound The specified cluster does not exist. The error message returned because the specified cluster does not exist.
404 ImageNotFound The specified image does not exist. The error message returned because the specified image does not exist.
406 EcsError An error occurred while calling the ECS API operation. The error message returned because the ECS API call has failed.
406 NasError NAS API request failed. The error message returned because the NAS API call has failed.
406 DbError A database service error occurred. The error message returned because the database request has failed.
406 RedisError A Redis service error occurred. The error message returned because the Redis request has failed.
406 AliyunError An Alibaba Cloud product error occurred. The error message returned because the operation has failed to call another Alibaba Cloud service.
407 NotAuthorized You are not authorized by RAM for this request. The error message returned because you are not authorized by RAM for this request.
500 UnknownError An unknown error occurred. The error message returned because an unknown error has occurred. Try again later. If the error persists, submit a ticket.
503 ServiceUnavailable The request has failed due to a temporary failure of the server The error message returned because the request has failed. The service is temporarily unavailable.

For a list of error codes, visit the API Error Center.