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DescribeHosts

Last updated: 2024-01-04 16:11:18

    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.

    We recommend you to use API Explorer
    Try it
    API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common Params. The value used for this API: DescribeHosts.
    Version Yes String Common Params. The value used for this API: 2017-03-12.
    Region No String Common Params. This parameter is not required for this API.
    Filters.N No Array of Filter
  • zone

    • Filter by the availability zone, such as ap-guangzhou-1.

    Type: String

    Optional

    Valid values: See Regions and Availability Zones


  • project-id

    • Filter by the project ID. You can query the list of created projects by calling DescribeProject or logging in to the CVM console. You can also call AddProject to create projects. The project ID is like 1002189.

    Type: Integer

    Optional


  • host-id

    • Filter by the CDH instance ID. Format: host-xxxxxxxx.

    Type: String

    Optional


  • host-name

    • Filter by the host name.

    Type: String

    Optional


  • host-state

    • Filter by the CDH instance status. (PENDING: Creating | LAUNCH_FAILURE: Failed to create | RUNNING: Running | EXPIRED: Expired)

    Type: String

    Optional


    Each request can have up to 10 Filters and 5 Filter.Values.
    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 one or more 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",
                "CageId": "",
                "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,
                    "DiskType": "LOCAL_BASIC"
                }
            }
        ],
        "RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7"
    }
}

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    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
    FailedOperation.TagKeyReserved The tag key specified in the request is reserved for the system.
    InvalidFilter Invalid filter.
    InvalidFilterValue.LimitExceeded Filter
    InvalidHostId.Malformed Invalid CDH ID. The specified CDH ID has an invalid format. For example, host-1122 has an invalid ID length.
    InvalidParameterValue Incorrect parameter value.
    InvalidZone.MismatchRegion The specified zone does not exist.
    UnauthorizedOperation
    UnsupportedOperation Unsupported operation.
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