CreateDedicatedHostCluster - Elastic Compute Service - Alibaba Cloud Documentation Center

Creates a dedicated host group.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- For mandatory resource types, indicate with a prefix of * .
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ecs:CreateDedicatedHostCluster	create	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the host group. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
DryRun	boolean	No	Specifies whether to perform only a dry run, without performing the actual request. Valid values: true: performs only a dry run. The system checks the request for potential issues, including invalid AccessKey pairs, unauthorized Resource Access Management (RAM) users, and missing parameter values. Otherwise, an error message is returned. If the request passes the dry run, the `DryRunOperation` error code is returned. false: performs a dry run and performs the actual request. If the request passes the dry run, a 2xx HTTP status code is returned and the operation is performed. Default value: false.	false
Tag	array<object>	No	The tags of the host group.
	object	No	The tags of the host group.
Key	string	No	The tag key. Valid values of N: 1 to 20. The tag key cannot be an empty string. It can be no more than 64 characters in length, and can neither contain `http://` or `https://` nor start with `acs:` or `aliyun`.	TestKey
Value	string	No	The tag value. Valid values of N: 1 to 20. The tag value cannot be an empty string. It can be no more than 64 characters in length and cannot contain `http://` or `https://`.	TestValue
ResourceGroupId	string	No	The resource group ID of the host group.	rg-bp67acfmxazb4p****
ZoneId	string	Yes	The zone ID of the host group. You can call the DescribeZones operation to query the most recent zone list.	cn-hangzhou-f
DedicatedHostClusterName	string	No	The name of the host group. It must be 2 to 128 characters in length and can contain letters, digits, colons (:), underscores (_), periods (.), and hyphens (-). This parameter is left empty by default.	myDDHCluster
Description	string	No	The description of the host group. It must be 2 to 256 characters in length, and cannot start with `http://` or `https://`. This parameter is left empty by default.	This-is-my-DDHCluster

Response parameters

Parameter	Type	Description	Example
	object
DedicatedHostClusterId	string	The ID of the host group.	dc-bp12wlf6bw0vz9v2****
RequestId	string	The request ID.	E2A664A6-2933-4C64-88AE-5033D003****

Examples

Sample success responses

JSONformat

{
  "DedicatedHostClusterId": "dc-bp12wlf6bw0vz9v2****",
  "RequestId": "E2A664A6-2933-4C64-88AE-5033D003****"
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidTagKey.Malformed	The specified Tag.n.Key is not valid.	The specified Tag.N.Key parameter is invalid.
400	InvalidTagValue.Malformed	The specified Tag.n.Value is not valid.	The specified tag value is invalid.
400	Duplicate.TagKey	The Tag.N.Key contain duplicate key.	The specified tag key already exists. Tag keys must be unique.
404	InvalidResourceGroup.NotFound	The ResourceGroup provided does not exist in our records.	The specified resource group does not exist.
404	InvalidZone.NotFound	The ZoneId provided does not exist in our records.	The specified zone ID does not exist.
404	QuotaExceed.Region	The maximum region quota of Dedicated Host Cluster has exceeded.	-
404	QuotaExceed.Zone	The maximum zone quota of Dedicated Host Cluster has exceeded.	-
404	InvalidParam.Zone	The specified zone not match region.	-
404	InvalidRegionId.NotFound	The regionId provided does not exist in our records.	The RegionId provided does not exist

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2025-02-20	API Description Update. The Error code has changed	View Change Details
2023-06-13	The Error code has changed	View Change Details