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Yandex Managed Service for ClickHouse

Method addHosts

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Creates new hosts for a cluster.

HTTP request

POST https://mdb.api.cloud.yandex.net/managed-clickhouse/v1/clusters/{clusterId}/hosts:batchCreate

Path parameters

Parameter Description
clusterId Required. ID of the ClickHouse cluster to add hosts to. To get the ClickHouse cluster ID, use a list request. The maximum string length in characters is 50.

Body parameters

{
  "hostSpecs": [
    {
      "zoneId": "string",
      "type": "string",
      "subnetId": "string",
      "assignPublicIp": true,
      "shardName": "string"
    }
  ],
  "copySchema": true
}
Field Description
hostSpecs[] object

Required. Configurations for ClickHouse hosts that should be added to the cluster.

Must contain at least one element.
hostSpecs[].
zoneId		 string

ID of the availability zone where the host resides. To get a list of available zones, use the list request.

The maximum string length in characters is 50.
hostSpecs[].
type		 string

Required. Type of the host to be deployed.

  • CLICKHOUSE: ClickHouse host.
  • ZOOKEEPER: ZooKeeper host.
hostSpecs[].
subnetId		 string

ID of the subnet that the host should belong to. This subnet should be a part of the network that the cluster belongs to. The ID of the network is set in the Cluster.networkId field.

The maximum string length in characters is 50.
hostSpecs[].
assignPublicIp		 boolean (boolean)

Whether the host should get a public IP address on creation.

After a host has been created, this setting cannot be changed. To remove an assigned public IP, or to assign a public IP to a host without one, recreate the host with assignPublicIp set as needed.

Possible values:

  • false - don't assign a public IP to the host.
  • true - the host should have a public IP address.
hostSpecs[].
shardName		 string

Name of the shard that the host is assigned to.

The maximum string length in characters is 63. Value must match the regular expression [a-zA-Z0-9_-]*.
copySchema boolean (boolean)

Whether to copy schema to new ClickHouse hosts from replicas.

Response

HTTP Code: 200 - OK

{
  "id": "string",
  "description": "string",
  "createdAt": "string",
  "createdBy": "string",
  "modifiedAt": "string",
  "done": true,
  "metadata": "object",

  //  includes only one of the fields `error`, `response`
  "error": {
    "code": "integer",
    "message": "string",
    "details": [
      "object"
    ]
  },
  "response": "object",
  // end of the list of possible fields

}

An Operation resource. For more information, see Operation.

Field Description
id string

ID of the operation.
description string

Description of the operation. 0-256 characters long.
createdAt string (date-time)

Creation timestamp.

String in RFC3339 text format.
createdBy string

ID of the user or service account who initiated the operation.
modifiedAt string (date-time)

The time when the Operation resource was last modified.

String in RFC3339 text format.
done boolean (boolean)

If the value is false, it means the operation is still in progress. If true, the operation is completed, and either error or response is available.
metadata object

Service-specific metadata associated with the operation. It typically contains the ID of the target resource that the operation is performed on. Any method that returns a long-running operation should document the metadata type, if any.
error object
The error result of the operation in case of failure or cancellation.
includes only one of the fields error, response

The error result of the operation in case of failure or cancellation.
error.
code		 integer (int32)

Error code. An enum value of google.rpc.Code.
error.
message		 string

An error message.
error.
details[]		 object

A list of messages that carry the error details.
response object
includes only one of the fields error, response

The normal response of the operation in case of success. If the original method returns no data on success, such as Delete, the response is google.protobuf.Empty. If the original method is the standard Create/Update, the response should be the target resource of the operation. Any method that returns a long-running operation should document the response type, if any.
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