Help & DocumentationCloud Virtual MachineAPI DocumentationCDH APIsDescribeHosts

DescribeHosts

Last updated: 2019-12-05 20:40:41

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Contents：

1. API Description

Domain name for API request: cvm.tencentcloudapi.com.

This API is used to query the details of CDH instances.

A maximum of 10 requests can be initiated per second for this API.

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: cvm.ap-shanghai-fsi.tencentcloudapi.com

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: DescribeHosts
Version Yes String Common parameter. The value used for this API: 2017-03-12
Region Yes String Common parameter.
Filters.N No Array of Filter Filters.
  • zone - String - Optional - Filter results by availability zone.
  • project-id - Integer - Optional - Filter results by project ID. You can call DescribeProject or log in to the console to view the list of existing projects. You can also create a new project by calling AddProject.
  • host-id - String - Optional - Filter results by CDH ID. CDH IDs are in the format of host-11112222.
  • host-name - String - Optional - Filter results by CDH instance name.
  • host-state - String - Optional - Filter results by CDH instance state. (PENDING: creating | LAUNCH_FAILURE: creation failed | RUNNING: running | EXPIRED: expired)
    		•
    Offset No Integer Offset; default value: 0.
    Limit No Integer Number of results returned; default value: 20; maximum: 100.

    3. Output Parameters

    Parameter Name Type Description
    TotalCount Integer Total number of CDH instances meeting the query conditions
    HostSet Array of HostItem Information on CDH instances
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Querying the list of CDH instances

    This example shows you how to query the details of CDH instances.

    Input Example

    GET https://cvm.tencentcloudapi.com/?Action=DescribeHosts
&Filters.0.Name=zone
&Filters.0.Values.0=ap-guangzhou-2
&Offset=0
&Limit=20
&<Common request parameters>

    Output Example

    {
  "Response": {
    "TotalCount": 1,
    "HostSet": [
      {
        "Placement": {
          "Zone": "ap-guangzhou-2",
          "ProjectId": 0
        },
        "HostId": "host-ey16rkyg",
        "HostType": "HS1",
        "HostName": "bibibibib-111",
        "HostChargeType": "PREPAID",
        "RenewFlag": "NOTIFY_AND_AUTO_RENEW",
        "CreatedTime": "2018-01-04T09:45:39Z",
        "ExpiredTime": "2025-05-04T09:45:42Z",
        "InstanceIds": [],
        "HostState": "RUNNING",
        "HostResource": {
          "CpuTotal": 24,
          "CpuAvailable": 24,
          "MemTotal": 56.0,
          "MemAvailable": 56.0,
          "DiskTotal": 1200,
          "DiskAvailable": 1200
        }
      }
    ],
    "RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7"
  }
}

    5. Developer Resources

    API Explorer

    This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    InvalidHostId.Malformed Invalid CDH ID. The specified CDH ID has an invalid format. For example, host-1122 has an invalid ID length.
    InvalidParameterValue Invalid parameter value: parameter value is in the wrong format or is not supported.
    InvalidZone.MismatchRegion The specified zone does not exist.