InstanceMetadataOptions
The metadata options for the instances. For more information, see Configure the instance metadata options in the Amazon EC2 Auto Scaling User Guide.
Contents
- HttpEndpoint
-
This parameter enables or disables the HTTP metadata endpoint on your instances. If the parameter is not specified, the default state is
enabled.Note
If you specify a value of
disabled, you will not be able to access your instance metadata.Type: String
Valid Values:
disabled | enabledRequired: No
- HttpPutResponseHopLimit
-
The desired HTTP PUT response hop limit for instance metadata requests. The larger the number, the further instance metadata requests can travel.
Default: 1
Type: Integer
Valid Range: Minimum value of 1. Maximum value of 64.
Required: No
- HttpTokens
-
The state of token usage for your instance metadata requests. If the parameter is not specified in the request, the default state is
optional.If the state is
optional, you can choose to retrieve instance metadata with or without a signed token header on your request. If you retrieve the IAM role credentials without a token, the version 1.0 role credentials are returned. If you retrieve the IAM role credentials using a valid signed token, the version 2.0 role credentials are returned.If the state is
required, you must send a signed token header with any instance metadata retrieval requests. In this state, retrieving the IAM role credentials always returns the version 2.0 credentials; the version 1.0 credentials are not available.Type: String
Valid Values:
optional | requiredRequired: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: