ModifyInstanceMetadataOptions - Elastic Compute Service

Modifies the metadata access configurations of instances in a specific region, including whether to enable the metadata access channel and whether to forcefully use the security hardening mode to access instance metadata.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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:
- The required resource types are displayed in bold characters.
- 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:ModifyInstanceMetadataOptions	update	*Instance `acs:ecs:{#regionId}:{#accountId}:instance/{#instanceId}`	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the instance. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
InstanceId	string	No	The ID of the instance.	i-bp67acfmxaz****
HttpEndpoint	string	Yes	Specifies whether to enable the access channel for instance metadata. Valid values: enabled disabled Default value: enabled. Note For information about instance metadata, see Obtain instance metadata.	enabled
HttpTokens	string	No	Specifies whether to forcefully use the security hardening mode (IMDSv2) to access instance metadata. Valid values: optional: does not forcefully use the security hardening mode (IMDSv2). required: forcefully uses the security hardening mode (IMDSv2). After you set this parameter to required, you cannot access instance metadata in normal mode. Default value: optional. Note For more information about modes of accessing instance metadata, see Obtain instance metadata.	optional
HttpPutResponseHopLimit	integer	No	Note This parameter is not publicly available.	1
InstanceMetadataTags	string	No	Note This parameter is in invitational preview and is not publicly available.	null

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

Examples

Sample success responses

JSONformat

{
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E"
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidHttpEndpoint.NotSupported	The specified HttpEndpoint not supported, you can use enabled(default) or disabled.	The specified HttpEndpoint parameter is invalid. The valid values of this parameter are enabled and disabled. The default value is enabled.
400	InvalidHttpTokens.NotSupported	The specified HttpTokens not supported, you can use optional(default) or required.	The specified HttpTokens parameter is invalid. The valid values of this parameter are optional and required. The default value is optional.
400	InvalidHttpPutResponseHopLimit.NotSupported	The specified HttpPutResponseHopLimit not supported, more than 1 and less than 64 is reasonable.	The specified HttpPutResponseHopLimit parameter is invalid. The valid values of this parameter are 1 to 64.
400	InvalidInstanceMetadataTags.NotSupported	The specified InstanceMetadataTags not supported.	-
404	InvalidInstanceId.NotFound	The specified InstanceId is not found.	The specified instance ID does not exist.

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

Change history

Change time	Summary of changes	Operation
2023-07-17	The Error code has changed	View Change Details