Function

This API is used to query a host list of a specified cluster.

URI

Format
GET /v1.1/{project_id}/clusters/{cluster_id}/hosts

Parameter description

**Table 1** URI parameter description
Parameter	Mandatory	Description
project_id	Yes	Project ID. For details on how to obtain the project ID, see Obtaining a Project ID.
cluster_id	Yes	Cluster ID

Request

**Table 2** Request parameter description
Parameter	Mandatory	Type	Description
pageSize	No	Integer	Maximum number of clusters displayed on a page Value range: [1-2147483646]. The default value is 10.
currentPage	No	Integer	Current page number The default value is 1.

Response

**Table 3** Response parameter description
Parameter	Type	Description
total	Integer	Total number of hosts in a list
hosts	Array	Host parameters For details, see Table 4.

**Table 4** **Hosts** parameter description
Parameter	Type	Description
id	String	VM ID
ip	String	VM IP address
flavor	String	VM flavor ID
type	String	VM type Currently, MasterNode, CoreNode, and TaskNode are supported.
name	String	VM name
status	String	Current VM state
mem	String	Memory
cpu	String	Number of CPU cores
root_volume_size	String	OS disk capacity
data_volume_type	String	Data disk type
data_volume_size	Integer	Data disk capacity
data_volume_count	Integer	Number of data disks

Example

Example request
None

Example response

{
  "total": 5,
  "hosts": [
    {
      "id": "063d1d47-ae91-4a48-840c-b3cfe4efbcf0",
      "name": "a78e161c-d14f-4b68-8c2d-0219920ce844_node_core_IQhiC",
      "ip": "192.168.0.169",
      "status": "ACTIVE",
      "flavor": "c6.4xlarge.4linux.mrs",
      "type": "Core",
      "mem": "16384",
      "cpu": "8",
      "root_volume_size": "40",
      "data_volume_type": "SATA",
      "data_volume_size": 100,
      "data_volume_count": 1
    },
    {
      "id": "dc5c6208-faa2-4727-a65a-2b1ce235d350",
      "name": "a78e161c-d14f-4b68-8c2d-0219920ce844_node_master1_ASzkl",
      "ip": "192.168.0.156",
      "status": "ACTIVE",
      "flavor": "c2.4xlarge.linux.mrs",
      "type": "Master",
      "mem": "32768",
      "cpu": "16",
      "root_volume_size": "40",
      "data_volume_type": "SATA",
      "data_volume_size": 100,
      "data_volume_count": 1
    },
    {
      "id": "c0ce793d-848b-448a-835b-ea0cac534b09",
      "name": "a78e161c-d14f-4b68-8c2d-0219920ce844_node_core_ANnRN",
      "ip": "192.168.0.243",
      "status": "ACTIVE",
      "flavor": "c6.4xlarge.4linux.mrs",
      "type": "Core",
      "mem": "16384",
      "cpu": "8",
      "root_volume_size": "40",
      "data_volume_type": "SATA",
      "data_volume_size": 100,
      "data_volume_count": 1
    },
    {
      "id": "95c23e43-ef6e-4732-b6ed-a5f1c7779fae",
      "name": "a78e161c-d14f-4b68-8c2d-0219920ce844_node_core_uRRiA",
      "ip": "192.168.0.126",
      "status": "ACTIVE",
      "flavor": "c6.4xlarge.4linux.mrs",
      "type": "Core",
      "mem": "16384",
      "cpu": "8",
      "root_volume_size": "40",
      "data_volume_type": "SATA",
      "data_volume_size": 100,
      "data_volume_count": 1
    },
    {
      "id": "63bdbf75-1133-4a94-8c27-1fa12c8b9e70",
      "name": "a78e161c-d14f-4b68-8c2d-0219920ce844_node_master2_StqFu",
      "ip": "192.168.0.22",
      "status": "ACTIVE",
      "flavor": "c2.4xlarge.linux.mrs",
      "type": "Master",
      "mem": "32768",
      "cpu": "16",
      "root_volume_size": "40",
      "data_volume_type": "SATA",
      "data_volume_size": 100,
      "data_volume_count": 1
    }
  ]
}

Status Code

Table 5 describes the status code of this API.

**Table 5** Status code
Status Code	Description
200	The host list information has been successfully queried.

For the description about error status codes, see Status Codes.

Querying a Host List

Function

URI

Request

Response

Example

Status Code