Managed Service for ClickHouse API, gRPC: ClusterService.ListHosts

Field

Description

cluster_id

string

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

page_size

int64

The maximum number of results per page to return. If the number of available
results is larger than page_size, the service returns a ListClusterHostsResponse.next_page_token
that can be used to get the next page of results in subsequent list requests.

page_token

string

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

Field

Description

hosts[]

Host

Requested list of hosts for the cluster.

next_page_token

string

This token allows you to get the next page of results for list requests. If the number of results
is larger than ListClusterHostsRequest.page_size, use the next_page_token as the value
for the ListClusterHostsRequest.page_token query parameter in the next list request.
Each subsequent list request will have its own next_page_token to continue paging through the results.

Field

Description

name

string

Name of the ClickHouse host. The host name is assigned by MDB at creation time, and cannot be changed.
1-63 characters long.

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

cluster_id

string

ID of the ClickHouse host. The ID is assigned by MDB at creation time.

zone_id

string

ID of the availability zone where the ClickHouse host resides.

type

enum Type

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

• TYPE_UNSPECIFIED: Host type is unspecified. Default value.
• CLICKHOUSE: ClickHouse host.
• ZOOKEEPER: ZooKeeper host.

resources

Resources

Resources allocated to the ClickHouse 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.
• 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 degraded, and can perform only some of its essential functions.

services[]

Service

Services provided by the host.

subnet_id

string

ID of the subnet that the host belongs to.

assign_public_ip

bool

Flag showing public IP assignment status to this host.

shard_name

string

Field

Description

resource_preset_id

string

ID of the preset for computational resources available to a host (CPU, memory etc.).
All available presets are listed in the documentation

disk_size

int64

Volume of the storage available to a host, in bytes.

disk_type_id

string

Type of the storage environment for the host.
Possible values:

• network-hdd - network HDD drive,
• network-ssd - network SSD drive,
• local-ssd - local SSD storage.

Field

Description

type

enum Type

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

• TYPE_UNSPECIFIED: Service type of the host is unspecified. Default value.
• CLICKHOUSE: The host is a ClickHouse server.
• ZOOKEEPER: The host is a ZooKeeper server.

health

enum Health

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

• UNKNOWN: Health of the server is unknown. Default value.
• ALIVE: The server is working normally.
• DEAD: The server is dead or unresponsive.