Yandex Cloud
Search
Contact UsGet started
  • Blog
  • Pricing
  • Documentation
  • All Services
  • System Status
    • Featured
    • Infrastructure & Network
    • Data Platform
    • Containers
    • Developer tools
    • Serverless
    • Security
    • Monitoring & Resources
    • ML & AI
    • Business tools
  • All Solutions
    • By industry
    • By use case
    • Economics and Pricing
    • Security
    • Technical Support
    • Customer Stories
    • Start testing with double trial credits
    • Cloud credits to scale your IT product
    • Gateway to Russia
    • Cloud for Startups
    • Education and Science
    • Yandex Cloud Partner program
  • Blog
  • Pricing
  • Documentation
© 2025 Direct Cursus Technology L.L.C.
Yandex Managed Service for OpenSearch
  • Getting started
  • Access management
  • Pricing policy
  • Terraform reference
    • Authentication with the API
      • Overview
        • Overview
        • Get
        • List
        • Create
        • Update
        • Delete
        • Backup
        • DeleteBackup
        • Restore
        • RescheduleMaintenance
        • ListBackups
        • Move
        • Start
        • Stop
        • ListLogs
        • StreamLogs
        • ListOperations
        • ListHosts
        • AddOpenSearchNodeGroup
        • DeleteOpenSearchNodeGroup
        • UpdateOpenSearchNodeGroup
        • AddDashboardsNodeGroup
        • DeleteDashboardsNodeGroup
        • UpdateDashboardsNodeGroup
        • GetAuthSettings
        • UpdateAuthSettings
        • RestartOpenSearch
        • SwitchMaster
  • Monitoring metrics
  • Audit Trails events
  • Public materials
  • Release notes
  • FAQ

In this article:

  • HTTP request
  • Path parameters
  • Query parameters
  • Response
  • Host
  • Resources
  • SystemMetrics
  • CPUMetric
  • MemoryMetric
  • DiskMetric
  1. API reference
  2. REST
  3. Cluster
  4. ListHosts

Managed Service for OpenSearch API, REST: Cluster.ListHosts

Written by
Yandex Cloud
Updated at November 26, 2024
  • HTTP request
  • Path parameters
  • Query parameters
  • Response
  • Host
  • Resources
  • SystemMetrics
  • CPUMetric
  • MemoryMetric
  • DiskMetric

Retrieves a list of hosts for the specified cluster.

HTTP requestHTTP request

GET https://mdb.api.cloud.yandex.net/managed-opensearch/v1/clusters/{clusterId}/hosts

Path parametersPath parameters

Field

Description

clusterId

string

Required field. ID of the OpenSearch cluster.
To get the OpenSearch cluster ID use a ClusterService.List request.

Query parametersQuery parameters

Field

Description

pageSize

string (int64)

The maximum number of results per page to return.

If the number of available results is larger than pageSize, the service returns
a ListClusterHostsResponse.nextPageToken that can be used to get the next page of results in subsequent list requests.

pageToken

string

Page token. To get the next page of results, set pageToken to the ListClusterHostsResponse.nextPageToken
returned by the previous list request.

ResponseResponse

HTTP Code: 200 - OK

{
  "hosts": [
    {
      "name": "string",
      "clusterId": "string",
      "zoneId": "string",
      "resources": {
        "resourcePresetId": "string",
        "diskSize": "string",
        "diskTypeId": "string"
      },
      "type": "string",
      "health": "string",
      "subnetId": "string",
      "assignPublicIp": "boolean",
      "system": {
        "cpu": {
          "timestamp": "string",
          "used": "string"
        },
        "memory": {
          "timestamp": "string",
          "used": "string",
          "total": "string"
        },
        "disk": {
          "timestamp": "string",
          "used": "string",
          "total": "string"
        }
      },
      "nodeGroup": "string",
      "roles": [
        "string"
      ]
    }
  ],
  "nextPageToken": "string"
}

Field

Description

hosts[]

Host

Requested list of hosts for the cluster.

nextPageToken

string

This token allows you to get the next page of results for list requests.

If the number of results is larger than ListClusterHostsRequest.pageSize, use the nextPageToken
as the value for the ListClusterHostsRequest.pageToken query parameter in the next list request.

Each subsequent list request has its own nextPageToken to continue paging through the results.

HostHost

An OpenSearch cluster host resource.

Field

Description

name

string

Required. Name of the OpenSearch host.

The host name is assigned by the platform at creation time and cannot be changed.

The name is unique across all MDB hosts that exist on the platform, as it defines the FQDN of the host.

clusterId

string

Required. ID of the OpenSearch cluster. The ID is assigned by the platform at creation time.

zoneId

string

ID of the availability zone the OpenSearch host belongs to.

resources

Resources

Resources allocated to the OpenSearch host.

type

enum (Type)

Type of the host. If the field has default value, it is not returned in the response.

  • TYPE_UNSPECIFIED: Type of the host is unspecified. Default value.
  • OPENSEARCH: An OpenSearch type host.
  • DASHBOARDS: A Dashboards type host.

health

enum (Health)

Aggregated health of the host. If the field has default value, it is not returned in the response.

  • UNKNOWN: Health of the host is unknown. Default value.
  • ALIVE: The host is performing all its functions normally.
  • DEAD: The host is inoperable and cannot perform any of its essential functions.
  • DEGRADED: The host is working below capacity or not fully functional.

subnetId

string

ID of the subnet that the host belongs to.

assignPublicIp

boolean

Determines whether a public IP is assigned to the host.

system

SystemMetrics

Resources used by the host.

nodeGroup

string

Name of the host group that the host belongs to.

roles[]

enum (GroupRole)

Roles of the host.

  • GROUP_ROLE_UNSPECIFIED
  • DATA
  • MANAGER

ResourcesResources

A list of computational resources allocated to a host.

Field

Description

resourcePresetId

string

ID of the preset for computational resources allocated to a host.

diskSize

string (int64)

Volume of the storage used by the host, in bytes.

diskTypeId

string

Type of the storage used by the host: network-hdd, network-ssd or local-ssd.

SystemMetricsSystemMetrics

Resources used by the host.

Field

Description

cpu

CPUMetric

CPU usage of the host.

memory

MemoryMetric

RAM usage of the host.

disk

DiskMetric

Disk usage of the host.

CPUMetricCPUMetric

CPU usage of the host.

Field

Description

timestamp

string (int64)

Time of the record.

used

string

Percentage of the CPU used.

MemoryMetricMemoryMetric

RAM usage of the host.

Field

Description

timestamp

string (int64)

Time of the record.

used

string (int64)

The amount of RAM used, in bytes.

total

string (int64)

Total amount of RAM allocated to the host.

DiskMetricDiskMetric

Disk usage of the host.

Field

Description

timestamp

string (int64)

Time of the record.

used

string (int64)

The amount of disk space used, in bytes.

total

string (int64)

Total amount of disk space allocated to the host.

Was the article helpful?

Previous
ListOperations
Next
AddOpenSearchNodeGroup
© 2025 Direct Cursus Technology L.L.C.