/*
 * Copyright 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.
 */

/*
 * Do not modify this file. This file is generated from the lightsail-2016-11-28.normal.json service model.
 */
using System;
using System.Collections.Generic;
using System.Xml.Serialization;
using System.Text;
using System.IO;
using System.Net;

using Amazon.Runtime;
using Amazon.Runtime.Internal;

namespace Amazon.Lightsail.Model
{
    /// <summary>
    /// The metadata options for the instance.
    /// </summary>
    public partial class InstanceMetadataOptions
    {
        private HttpEndpoint _httpEndpoint;
        private HttpProtocolIpv6 _httpProtocolIpv6;
        private int? _httpPutResponseHopLimit;
        private HttpTokens _httpTokens;
        private InstanceMetadataState _state;

        /// <summary>
        /// Gets and sets the property HttpEndpoint. 
        /// <para>
        /// Indicates whether the HTTP metadata endpoint on your instances is enabled or disabled.
        /// </para>
        ///  
        /// <para>
        /// If the value is <code>disabled</code>, you cannot access your instance metadata.
        /// </para>
        /// </summary>
        public HttpEndpoint HttpEndpoint
        {
            get { return this._httpEndpoint; }
            set { this._httpEndpoint = value; }
        }

        // Check to see if HttpEndpoint property is set
        internal bool IsSetHttpEndpoint()
        {
            return this._httpEndpoint != null;
        }

        /// <summary>
        /// Gets and sets the property HttpProtocolIpv6. 
        /// <para>
        /// Indicates whether the IPv6 endpoint for the instance metadata service is enabled or
        /// disabled.
        /// </para>
        /// </summary>
        public HttpProtocolIpv6 HttpProtocolIpv6
        {
            get { return this._httpProtocolIpv6; }
            set { this._httpProtocolIpv6 = value; }
        }

        // Check to see if HttpProtocolIpv6 property is set
        internal bool IsSetHttpProtocolIpv6()
        {
            return this._httpProtocolIpv6 != null;
        }

        /// <summary>
        /// Gets and sets the property HttpPutResponseHopLimit. 
        /// <para>
        /// The desired HTTP PUT response hop limit for instance metadata requests. A larger number
        /// means that the instance metadata requests can travel farther.
        /// </para>
        /// </summary>
        public int HttpPutResponseHopLimit
        {
            get { return this._httpPutResponseHopLimit.GetValueOrDefault(); }
            set { this._httpPutResponseHopLimit = value; }
        }

        // Check to see if HttpPutResponseHopLimit property is set
        internal bool IsSetHttpPutResponseHopLimit()
        {
            return this._httpPutResponseHopLimit.HasValue; 
        }

        /// <summary>
        /// Gets and sets the property HttpTokens. 
        /// <para>
        /// The state of token usage for your instance metadata requests.
        /// </para>
        ///  
        /// <para>
        /// If the state is <code>optional</code>, 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.
        /// </para>
        ///  
        /// <para>
        /// If the state is <code>required</code>, 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.
        /// </para>
        ///  <important> 
        /// <para>
        /// Not all instance blueprints in Lightsail support version 2.0 credentials. Use the
        /// <code>MetadataNoToken</code> instance metric to track the number of calls to the instance
        /// metadata service that are using version 1.0 credentials. For more information, see
        /// <a href="https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-viewing-instance-health-metrics">Viewing
        /// instance metrics in Amazon Lightsail</a> in the <i>Amazon Lightsail Developer Guide</i>.
        /// </para>
        ///  </important>
        /// </summary>
        public HttpTokens HttpTokens
        {
            get { return this._httpTokens; }
            set { this._httpTokens = value; }
        }

        // Check to see if HttpTokens property is set
        internal bool IsSetHttpTokens()
        {
            return this._httpTokens != null;
        }

        /// <summary>
        /// Gets and sets the property State. 
        /// <para>
        /// The state of the metadata option changes.
        /// </para>
        ///  
        /// <para>
        /// The following states are possible:
        /// </para>
        ///  <ul> <li> 
        /// <para>
        ///  <code>pending</code> - The metadata options are being updated. The instance is not
        /// yet ready to process metadata traffic with the new selection.
        /// </para>
        ///  </li> <li> 
        /// <para>
        ///  <code>applied</code> - The metadata options have been successfully applied to the
        /// instance.
        /// </para>
        ///  </li> </ul>
        /// </summary>
        public InstanceMetadataState State
        {
            get { return this._state; }
            set { this._state = value; }
        }

        // Check to see if State property is set
        internal bool IsSetState()
        {
            return this._state != null;
        }

    }
}