/* * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with * the License. A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions * and limitations under the License. */ package com.amazonaws.services.lightsail.model; import java.io.Serializable; import javax.annotation.Generated; import com.amazonaws.protocol.StructuredPojo; import com.amazonaws.protocol.ProtocolMarshaller; /** *

* The metadata options for the instance. *

* * @see AWS * API Documentation */ @Generated("com.amazonaws:aws-java-sdk-code-generator") public class InstanceMetadataOptions implements Serializable, Cloneable, StructuredPojo { /** *

* The state of the metadata option changes. *

*

* The following states are possible: *

* */ private String state; /** *

* The state of token usage for your instance metadata requests. *

*

* If the state is optional, you can choose whether to retrieve instance metadata with 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 by 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 all instance metadata retrieval * requests. In this state, retrieving the IAM role credential always returns the version 2.0 credentials. The * version 1.0 credentials are not available. *

* *

* Not all instance blueprints in Lightsail support version 2.0 credentials. Use the MetadataNoToken * instance metric to track the number of calls to the instance metadata service that are using version 1.0 * credentials. For more information, see Viewing instance metrics in Amazon Lightsail in the Amazon Lightsail Developer Guide. *

*
*/ private String httpTokens; /** *

* Indicates whether the HTTP metadata endpoint on your instances is enabled or disabled. *

*

* If the value is disabled, you cannot access your instance metadata. *

*/ private String httpEndpoint; /** *

* The desired HTTP PUT response hop limit for instance metadata requests. A larger number means that the instance * metadata requests can travel farther. *

*/ private Integer httpPutResponseHopLimit; /** *

* Indicates whether the IPv6 endpoint for the instance metadata service is enabled or disabled. *

*/ private String httpProtocolIpv6; /** *

* The state of the metadata option changes. *

*

* The following states are possible: *

* * * @param state * The state of the metadata option changes.

*

* The following states are possible: *

*