Amazon OpenSearch Service

Returns information about domain and nodes, including data nodes, master nodes, ultrawarm nodes, Availability Zone(s), standby nodes, node configurations, and node states.

See also: AWS API Documentation

Request Syntax

client.describe_domain_nodes(
    DomainName='string'
)

type DomainName

string

param DomainName

[REQUIRED]

The name of the domain.

rtype

dict

returns

Response Syntax

{
    'DomainNodesStatusList': [
        {
            'NodeId': 'string',
            'NodeType': 'Data'|'Ultrawarm'|'Master',
            'AvailabilityZone': 'string',
            'InstanceType': 'm3.medium.search'|'m3.large.search'|'m3.xlarge.search'|'m3.2xlarge.search'|'m4.large.search'|'m4.xlarge.search'|'m4.2xlarge.search'|'m4.4xlarge.search'|'m4.10xlarge.search'|'m5.large.search'|'m5.xlarge.search'|'m5.2xlarge.search'|'m5.4xlarge.search'|'m5.12xlarge.search'|'m5.24xlarge.search'|'r5.large.search'|'r5.xlarge.search'|'r5.2xlarge.search'|'r5.4xlarge.search'|'r5.12xlarge.search'|'r5.24xlarge.search'|'c5.large.search'|'c5.xlarge.search'|'c5.2xlarge.search'|'c5.4xlarge.search'|'c5.9xlarge.search'|'c5.18xlarge.search'|'t3.nano.search'|'t3.micro.search'|'t3.small.search'|'t3.medium.search'|'t3.large.search'|'t3.xlarge.search'|'t3.2xlarge.search'|'ultrawarm1.medium.search'|'ultrawarm1.large.search'|'ultrawarm1.xlarge.search'|'t2.micro.search'|'t2.small.search'|'t2.medium.search'|'r3.large.search'|'r3.xlarge.search'|'r3.2xlarge.search'|'r3.4xlarge.search'|'r3.8xlarge.search'|'i2.xlarge.search'|'i2.2xlarge.search'|'d2.xlarge.search'|'d2.2xlarge.search'|'d2.4xlarge.search'|'d2.8xlarge.search'|'c4.large.search'|'c4.xlarge.search'|'c4.2xlarge.search'|'c4.4xlarge.search'|'c4.8xlarge.search'|'r4.large.search'|'r4.xlarge.search'|'r4.2xlarge.search'|'r4.4xlarge.search'|'r4.8xlarge.search'|'r4.16xlarge.search'|'i3.large.search'|'i3.xlarge.search'|'i3.2xlarge.search'|'i3.4xlarge.search'|'i3.8xlarge.search'|'i3.16xlarge.search'|'r6g.large.search'|'r6g.xlarge.search'|'r6g.2xlarge.search'|'r6g.4xlarge.search'|'r6g.8xlarge.search'|'r6g.12xlarge.search'|'m6g.large.search'|'m6g.xlarge.search'|'m6g.2xlarge.search'|'m6g.4xlarge.search'|'m6g.8xlarge.search'|'m6g.12xlarge.search'|'c6g.large.search'|'c6g.xlarge.search'|'c6g.2xlarge.search'|'c6g.4xlarge.search'|'c6g.8xlarge.search'|'c6g.12xlarge.search'|'r6gd.large.search'|'r6gd.xlarge.search'|'r6gd.2xlarge.search'|'r6gd.4xlarge.search'|'r6gd.8xlarge.search'|'r6gd.12xlarge.search'|'r6gd.16xlarge.search'|'t4g.small.search'|'t4g.medium.search',
            'NodeStatus': 'Active'|'StandBy'|'NotAvailable',
            'StorageType': 'string',
            'StorageVolumeType': 'standard'|'gp2'|'io1'|'gp3',
            'StorageSize': 'string'
        },
    ]
}

Response Structure

• (dict) --

  The result of a DescribeDomainNodes request. Contains information about the nodes on the requested domain.

  • DomainNodesStatusList (list) --

    Contains nodes information list DomainNodesStatusList with details about the all nodes on the requested domain.

    • (dict) --

      Container for information about nodes on the domain.

      • NodeId (string) --

        The ID of the node.

      • NodeType (string) --

        Indicates whether the nodes is a data, master, or ultrawarm node.

      • AvailabilityZone (string) --

        The Availability Zone of the node.

      • InstanceType (string) --

        The instance type information of the node.

      • NodeStatus (string) --

        Indicates if the node is active or in standby.

      • StorageType (string) --

        Indicates if the node has EBS or instance storage.

      • StorageVolumeType (string) --

        If the nodes has EBS storage, indicates if the volume type is GP2 or GP3. Only applicable for data nodes.

      • StorageSize (string) --

        The storage size of the node, in GiB.