{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.EC2.DescribeVpcAttribute
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes the specified attribute of the specified VPC. You can specify
-- only one attribute at a time.
module Amazonka.EC2.DescribeVpcAttribute
  ( -- * Creating a Request
    DescribeVpcAttribute (..),
    newDescribeVpcAttribute,

    -- * Request Lenses
    describeVpcAttribute_dryRun,
    describeVpcAttribute_attribute,
    describeVpcAttribute_vpcId,

    -- * Destructuring the Response
    DescribeVpcAttributeResponse (..),
    newDescribeVpcAttributeResponse,

    -- * Response Lenses
    describeVpcAttributeResponse_enableDnsHostnames,
    describeVpcAttributeResponse_enableDnsSupport,
    describeVpcAttributeResponse_enableNetworkAddressUsageMetrics,
    describeVpcAttributeResponse_vpcId,
    describeVpcAttributeResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.EC2.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeVpcAttribute' smart constructor.
data DescribeVpcAttribute = DescribeVpcAttribute'
  { -- | Checks whether you have the required permissions for the action, without
    -- actually making the request, and provides an error response. If you have
    -- the required permissions, the error response is @DryRunOperation@.
    -- Otherwise, it is @UnauthorizedOperation@.
    dryRun :: Prelude.Maybe Prelude.Bool,
    -- | The VPC attribute.
    attribute :: VpcAttributeName,
    -- | The ID of the VPC.
    vpcId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeVpcAttribute' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'dryRun', 'describeVpcAttribute_dryRun' - Checks whether you have the required permissions for the action, without
-- actually making the request, and provides an error response. If you have
-- the required permissions, the error response is @DryRunOperation@.
-- Otherwise, it is @UnauthorizedOperation@.
--
-- 'attribute', 'describeVpcAttribute_attribute' - The VPC attribute.
--
-- 'vpcId', 'describeVpcAttribute_vpcId' - The ID of the VPC.
newDescribeVpcAttribute ::
  -- | 'attribute'
  VpcAttributeName ->
  -- | 'vpcId'
  Prelude.Text ->
  DescribeVpcAttribute
newDescribeVpcAttribute pAttribute_ pVpcId_ =
  DescribeVpcAttribute'
    { dryRun = Prelude.Nothing,
      attribute = pAttribute_,
      vpcId = pVpcId_
    }

-- | Checks whether you have the required permissions for the action, without
-- actually making the request, and provides an error response. If you have
-- the required permissions, the error response is @DryRunOperation@.
-- Otherwise, it is @UnauthorizedOperation@.
describeVpcAttribute_dryRun :: Lens.Lens' DescribeVpcAttribute (Prelude.Maybe Prelude.Bool)
describeVpcAttribute_dryRun = Lens.lens (\DescribeVpcAttribute' {dryRun} -> dryRun) (\s@DescribeVpcAttribute' {} a -> s {dryRun = a} :: DescribeVpcAttribute)

-- | The VPC attribute.
describeVpcAttribute_attribute :: Lens.Lens' DescribeVpcAttribute VpcAttributeName
describeVpcAttribute_attribute = Lens.lens (\DescribeVpcAttribute' {attribute} -> attribute) (\s@DescribeVpcAttribute' {} a -> s {attribute = a} :: DescribeVpcAttribute)

-- | The ID of the VPC.
describeVpcAttribute_vpcId :: Lens.Lens' DescribeVpcAttribute Prelude.Text
describeVpcAttribute_vpcId = Lens.lens (\DescribeVpcAttribute' {vpcId} -> vpcId) (\s@DescribeVpcAttribute' {} a -> s {vpcId = a} :: DescribeVpcAttribute)

instance Core.AWSRequest DescribeVpcAttribute where
  type
    AWSResponse DescribeVpcAttribute =
      DescribeVpcAttributeResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXML
      ( \s h x ->
          DescribeVpcAttributeResponse'
            Prelude.<$> (x Data..@? "enableDnsHostnames")
            Prelude.<*> (x Data..@? "enableDnsSupport")
            Prelude.<*> (x Data..@? "enableNetworkAddressUsageMetrics")
            Prelude.<*> (x Data..@? "vpcId")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeVpcAttribute where
  hashWithSalt _salt DescribeVpcAttribute' {..} =
    _salt
      `Prelude.hashWithSalt` dryRun
      `Prelude.hashWithSalt` attribute
      `Prelude.hashWithSalt` vpcId

instance Prelude.NFData DescribeVpcAttribute where
  rnf DescribeVpcAttribute' {..} =
    Prelude.rnf dryRun
      `Prelude.seq` Prelude.rnf attribute
      `Prelude.seq` Prelude.rnf vpcId

instance Data.ToHeaders DescribeVpcAttribute where
  toHeaders = Prelude.const Prelude.mempty

instance Data.ToPath DescribeVpcAttribute where
  toPath = Prelude.const "/"

instance Data.ToQuery DescribeVpcAttribute where
  toQuery DescribeVpcAttribute' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ("DescribeVpcAttribute" :: Prelude.ByteString),
        "Version"
          Data.=: ("2016-11-15" :: Prelude.ByteString),
        "DryRun" Data.=: dryRun,
        "Attribute" Data.=: attribute,
        "VpcId" Data.=: vpcId
      ]

-- | /See:/ 'newDescribeVpcAttributeResponse' smart constructor.
data DescribeVpcAttributeResponse = DescribeVpcAttributeResponse'
  { -- | Indicates whether the instances launched in the VPC get DNS hostnames.
    -- If this attribute is @true@, instances in the VPC get DNS hostnames;
    -- otherwise, they do not.
    enableDnsHostnames :: Prelude.Maybe AttributeBooleanValue,
    -- | Indicates whether DNS resolution is enabled for the VPC. If this
    -- attribute is @true@, the Amazon DNS server resolves DNS hostnames for
    -- your instances to their corresponding IP addresses; otherwise, it does
    -- not.
    enableDnsSupport :: Prelude.Maybe AttributeBooleanValue,
    -- | Indicates whether Network Address Usage metrics are enabled for your
    -- VPC.
    enableNetworkAddressUsageMetrics :: Prelude.Maybe AttributeBooleanValue,
    -- | The ID of the VPC.
    vpcId :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeVpcAttributeResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'enableDnsHostnames', 'describeVpcAttributeResponse_enableDnsHostnames' - Indicates whether the instances launched in the VPC get DNS hostnames.
-- If this attribute is @true@, instances in the VPC get DNS hostnames;
-- otherwise, they do not.
--
-- 'enableDnsSupport', 'describeVpcAttributeResponse_enableDnsSupport' - Indicates whether DNS resolution is enabled for the VPC. If this
-- attribute is @true@, the Amazon DNS server resolves DNS hostnames for
-- your instances to their corresponding IP addresses; otherwise, it does
-- not.
--
-- 'enableNetworkAddressUsageMetrics', 'describeVpcAttributeResponse_enableNetworkAddressUsageMetrics' - Indicates whether Network Address Usage metrics are enabled for your
-- VPC.
--
-- 'vpcId', 'describeVpcAttributeResponse_vpcId' - The ID of the VPC.
--
-- 'httpStatus', 'describeVpcAttributeResponse_httpStatus' - The response's http status code.
newDescribeVpcAttributeResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeVpcAttributeResponse
newDescribeVpcAttributeResponse pHttpStatus_ =
  DescribeVpcAttributeResponse'
    { enableDnsHostnames =
        Prelude.Nothing,
      enableDnsSupport = Prelude.Nothing,
      enableNetworkAddressUsageMetrics =
        Prelude.Nothing,
      vpcId = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Indicates whether the instances launched in the VPC get DNS hostnames.
-- If this attribute is @true@, instances in the VPC get DNS hostnames;
-- otherwise, they do not.
describeVpcAttributeResponse_enableDnsHostnames :: Lens.Lens' DescribeVpcAttributeResponse (Prelude.Maybe AttributeBooleanValue)
describeVpcAttributeResponse_enableDnsHostnames = Lens.lens (\DescribeVpcAttributeResponse' {enableDnsHostnames} -> enableDnsHostnames) (\s@DescribeVpcAttributeResponse' {} a -> s {enableDnsHostnames = a} :: DescribeVpcAttributeResponse)

-- | Indicates whether DNS resolution is enabled for the VPC. If this
-- attribute is @true@, the Amazon DNS server resolves DNS hostnames for
-- your instances to their corresponding IP addresses; otherwise, it does
-- not.
describeVpcAttributeResponse_enableDnsSupport :: Lens.Lens' DescribeVpcAttributeResponse (Prelude.Maybe AttributeBooleanValue)
describeVpcAttributeResponse_enableDnsSupport = Lens.lens (\DescribeVpcAttributeResponse' {enableDnsSupport} -> enableDnsSupport) (\s@DescribeVpcAttributeResponse' {} a -> s {enableDnsSupport = a} :: DescribeVpcAttributeResponse)

-- | Indicates whether Network Address Usage metrics are enabled for your
-- VPC.
describeVpcAttributeResponse_enableNetworkAddressUsageMetrics :: Lens.Lens' DescribeVpcAttributeResponse (Prelude.Maybe AttributeBooleanValue)
describeVpcAttributeResponse_enableNetworkAddressUsageMetrics = Lens.lens (\DescribeVpcAttributeResponse' {enableNetworkAddressUsageMetrics} -> enableNetworkAddressUsageMetrics) (\s@DescribeVpcAttributeResponse' {} a -> s {enableNetworkAddressUsageMetrics = a} :: DescribeVpcAttributeResponse)

-- | The ID of the VPC.
describeVpcAttributeResponse_vpcId :: Lens.Lens' DescribeVpcAttributeResponse (Prelude.Maybe Prelude.Text)
describeVpcAttributeResponse_vpcId = Lens.lens (\DescribeVpcAttributeResponse' {vpcId} -> vpcId) (\s@DescribeVpcAttributeResponse' {} a -> s {vpcId = a} :: DescribeVpcAttributeResponse)

-- | The response's http status code.
describeVpcAttributeResponse_httpStatus :: Lens.Lens' DescribeVpcAttributeResponse Prelude.Int
describeVpcAttributeResponse_httpStatus = Lens.lens (\DescribeVpcAttributeResponse' {httpStatus} -> httpStatus) (\s@DescribeVpcAttributeResponse' {} a -> s {httpStatus = a} :: DescribeVpcAttributeResponse)

instance Prelude.NFData DescribeVpcAttributeResponse where
  rnf DescribeVpcAttributeResponse' {..} =
    Prelude.rnf enableDnsHostnames
      `Prelude.seq` Prelude.rnf enableDnsSupport
      `Prelude.seq` Prelude.rnf enableNetworkAddressUsageMetrics
      `Prelude.seq` Prelude.rnf vpcId
      `Prelude.seq` Prelude.rnf httpStatus