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amazonka-ec2-2.0: gen/Amazonka/EC2/DescribeReservedInstances.hs

{-# 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.DescribeReservedInstances
-- 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 one or more of the Reserved Instances that you purchased.
--
-- For more information about Reserved Instances, see
-- <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/concepts-on-demand-reserved-instances.html Reserved Instances>
-- in the /Amazon EC2 User Guide/.
module Amazonka.EC2.DescribeReservedInstances
  ( -- * Creating a Request
    DescribeReservedInstances (..),
    newDescribeReservedInstances,

    -- * Request Lenses
    describeReservedInstances_dryRun,
    describeReservedInstances_filters,
    describeReservedInstances_offeringClass,
    describeReservedInstances_offeringType,
    describeReservedInstances_reservedInstancesIds,

    -- * Destructuring the Response
    DescribeReservedInstancesResponse (..),
    newDescribeReservedInstancesResponse,

    -- * Response Lenses
    describeReservedInstancesResponse_reservedInstances,
    describeReservedInstancesResponse_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

-- | Contains the parameters for DescribeReservedInstances.
--
-- /See:/ 'newDescribeReservedInstances' smart constructor.
data DescribeReservedInstances = DescribeReservedInstances'
  { -- | 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,
    -- | One or more filters.
    --
    -- -   @availability-zone@ - The Availability Zone where the Reserved
    --     Instance can be used.
    --
    -- -   @duration@ - The duration of the Reserved Instance (one year or
    --     three years), in seconds (@31536000@ | @94608000@).
    --
    -- -   @end@ - The time when the Reserved Instance expires (for example,
    --     2015-08-07T11:54:42.000Z).
    --
    -- -   @fixed-price@ - The purchase price of the Reserved Instance (for
    --     example, 9800.0).
    --
    -- -   @instance-type@ - The instance type that is covered by the
    --     reservation.
    --
    -- -   @scope@ - The scope of the Reserved Instance (@Region@ or
    --     @Availability Zone@).
    --
    -- -   @product-description@ - The Reserved Instance product platform
    --     description. Instances that include @(Amazon VPC)@ in the product
    --     platform description will only be displayed to EC2-Classic account
    --     holders and are for use with Amazon VPC (@Linux\/UNIX@ |
    --     @Linux\/UNIX (Amazon VPC)@ | @SUSE Linux@ |
    --     @SUSE Linux (Amazon VPC)@ | @Red Hat Enterprise Linux@ |
    --     @Red Hat Enterprise Linux (Amazon VPC)@ |
    --     @Red Hat Enterprise Linux with HA (Amazon VPC)@ | @Windows@ |
    --     @Windows (Amazon VPC)@ | @Windows with SQL Server Standard@ |
    --     @Windows with SQL Server Standard (Amazon VPC)@ |
    --     @Windows with SQL Server Web@ |
    --     @Windows with SQL Server Web (Amazon VPC)@ |
    --     @Windows with SQL Server Enterprise@ |
    --     @Windows with SQL Server Enterprise (Amazon VPC)@).
    --
    -- -   @reserved-instances-id@ - The ID of the Reserved Instance.
    --
    -- -   @start@ - The time at which the Reserved Instance purchase request
    --     was placed (for example, 2014-08-07T11:54:42.000Z).
    --
    -- -   @state@ - The state of the Reserved Instance (@payment-pending@ |
    --     @active@ | @payment-failed@ | @retired@).
    --
    -- -   @tag:\<key>@ - The key\/value combination of a tag assigned to the
    --     resource. Use the tag key in the filter name and the tag value as
    --     the filter value. For example, to find all resources that have a tag
    --     with the key @Owner@ and the value @TeamA@, specify @tag:Owner@ for
    --     the filter name and @TeamA@ for the filter value.
    --
    -- -   @tag-key@ - The key of a tag assigned to the resource. Use this
    --     filter to find all resources assigned a tag with a specific key,
    --     regardless of the tag value.
    --
    -- -   @usage-price@ - The usage price of the Reserved Instance, per hour
    --     (for example, 0.84).
    filters :: Prelude.Maybe [Filter],
    -- | Describes whether the Reserved Instance is Standard or Convertible.
    offeringClass :: Prelude.Maybe OfferingClassType,
    -- | The Reserved Instance offering type. If you are using tools that predate
    -- the 2011-11-01 API version, you only have access to the
    -- @Medium Utilization@ Reserved Instance offering type.
    offeringType :: Prelude.Maybe OfferingTypeValues,
    -- | One or more Reserved Instance IDs.
    --
    -- Default: Describes all your Reserved Instances, or only those otherwise
    -- specified.
    reservedInstancesIds :: Prelude.Maybe [Prelude.Text]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeReservedInstances' 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', 'describeReservedInstances_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@.
--
-- 'filters', 'describeReservedInstances_filters' - One or more filters.
--
-- -   @availability-zone@ - The Availability Zone where the Reserved
--     Instance can be used.
--
-- -   @duration@ - The duration of the Reserved Instance (one year or
--     three years), in seconds (@31536000@ | @94608000@).
--
-- -   @end@ - The time when the Reserved Instance expires (for example,
--     2015-08-07T11:54:42.000Z).
--
-- -   @fixed-price@ - The purchase price of the Reserved Instance (for
--     example, 9800.0).
--
-- -   @instance-type@ - The instance type that is covered by the
--     reservation.
--
-- -   @scope@ - The scope of the Reserved Instance (@Region@ or
--     @Availability Zone@).
--
-- -   @product-description@ - The Reserved Instance product platform
--     description. Instances that include @(Amazon VPC)@ in the product
--     platform description will only be displayed to EC2-Classic account
--     holders and are for use with Amazon VPC (@Linux\/UNIX@ |
--     @Linux\/UNIX (Amazon VPC)@ | @SUSE Linux@ |
--     @SUSE Linux (Amazon VPC)@ | @Red Hat Enterprise Linux@ |
--     @Red Hat Enterprise Linux (Amazon VPC)@ |
--     @Red Hat Enterprise Linux with HA (Amazon VPC)@ | @Windows@ |
--     @Windows (Amazon VPC)@ | @Windows with SQL Server Standard@ |
--     @Windows with SQL Server Standard (Amazon VPC)@ |
--     @Windows with SQL Server Web@ |
--     @Windows with SQL Server Web (Amazon VPC)@ |
--     @Windows with SQL Server Enterprise@ |
--     @Windows with SQL Server Enterprise (Amazon VPC)@).
--
-- -   @reserved-instances-id@ - The ID of the Reserved Instance.
--
-- -   @start@ - The time at which the Reserved Instance purchase request
--     was placed (for example, 2014-08-07T11:54:42.000Z).
--
-- -   @state@ - The state of the Reserved Instance (@payment-pending@ |
--     @active@ | @payment-failed@ | @retired@).
--
-- -   @tag:\<key>@ - The key\/value combination of a tag assigned to the
--     resource. Use the tag key in the filter name and the tag value as
--     the filter value. For example, to find all resources that have a tag
--     with the key @Owner@ and the value @TeamA@, specify @tag:Owner@ for
--     the filter name and @TeamA@ for the filter value.
--
-- -   @tag-key@ - The key of a tag assigned to the resource. Use this
--     filter to find all resources assigned a tag with a specific key,
--     regardless of the tag value.
--
-- -   @usage-price@ - The usage price of the Reserved Instance, per hour
--     (for example, 0.84).
--
-- 'offeringClass', 'describeReservedInstances_offeringClass' - Describes whether the Reserved Instance is Standard or Convertible.
--
-- 'offeringType', 'describeReservedInstances_offeringType' - The Reserved Instance offering type. If you are using tools that predate
-- the 2011-11-01 API version, you only have access to the
-- @Medium Utilization@ Reserved Instance offering type.
--
-- 'reservedInstancesIds', 'describeReservedInstances_reservedInstancesIds' - One or more Reserved Instance IDs.
--
-- Default: Describes all your Reserved Instances, or only those otherwise
-- specified.
newDescribeReservedInstances ::
  DescribeReservedInstances
newDescribeReservedInstances =
  DescribeReservedInstances'
    { dryRun =
        Prelude.Nothing,
      filters = Prelude.Nothing,
      offeringClass = Prelude.Nothing,
      offeringType = Prelude.Nothing,
      reservedInstancesIds = Prelude.Nothing
    }

-- | 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@.
describeReservedInstances_dryRun :: Lens.Lens' DescribeReservedInstances (Prelude.Maybe Prelude.Bool)
describeReservedInstances_dryRun = Lens.lens (\DescribeReservedInstances' {dryRun} -> dryRun) (\s@DescribeReservedInstances' {} a -> s {dryRun = a} :: DescribeReservedInstances)

-- | One or more filters.
--
-- -   @availability-zone@ - The Availability Zone where the Reserved
--     Instance can be used.
--
-- -   @duration@ - The duration of the Reserved Instance (one year or
--     three years), in seconds (@31536000@ | @94608000@).
--
-- -   @end@ - The time when the Reserved Instance expires (for example,
--     2015-08-07T11:54:42.000Z).
--
-- -   @fixed-price@ - The purchase price of the Reserved Instance (for
--     example, 9800.0).
--
-- -   @instance-type@ - The instance type that is covered by the
--     reservation.
--
-- -   @scope@ - The scope of the Reserved Instance (@Region@ or
--     @Availability Zone@).
--
-- -   @product-description@ - The Reserved Instance product platform
--     description. Instances that include @(Amazon VPC)@ in the product
--     platform description will only be displayed to EC2-Classic account
--     holders and are for use with Amazon VPC (@Linux\/UNIX@ |
--     @Linux\/UNIX (Amazon VPC)@ | @SUSE Linux@ |
--     @SUSE Linux (Amazon VPC)@ | @Red Hat Enterprise Linux@ |
--     @Red Hat Enterprise Linux (Amazon VPC)@ |
--     @Red Hat Enterprise Linux with HA (Amazon VPC)@ | @Windows@ |
--     @Windows (Amazon VPC)@ | @Windows with SQL Server Standard@ |
--     @Windows with SQL Server Standard (Amazon VPC)@ |
--     @Windows with SQL Server Web@ |
--     @Windows with SQL Server Web (Amazon VPC)@ |
--     @Windows with SQL Server Enterprise@ |
--     @Windows with SQL Server Enterprise (Amazon VPC)@).
--
-- -   @reserved-instances-id@ - The ID of the Reserved Instance.
--
-- -   @start@ - The time at which the Reserved Instance purchase request
--     was placed (for example, 2014-08-07T11:54:42.000Z).
--
-- -   @state@ - The state of the Reserved Instance (@payment-pending@ |
--     @active@ | @payment-failed@ | @retired@).
--
-- -   @tag:\<key>@ - The key\/value combination of a tag assigned to the
--     resource. Use the tag key in the filter name and the tag value as
--     the filter value. For example, to find all resources that have a tag
--     with the key @Owner@ and the value @TeamA@, specify @tag:Owner@ for
--     the filter name and @TeamA@ for the filter value.
--
-- -   @tag-key@ - The key of a tag assigned to the resource. Use this
--     filter to find all resources assigned a tag with a specific key,
--     regardless of the tag value.
--
-- -   @usage-price@ - The usage price of the Reserved Instance, per hour
--     (for example, 0.84).
describeReservedInstances_filters :: Lens.Lens' DescribeReservedInstances (Prelude.Maybe [Filter])
describeReservedInstances_filters = Lens.lens (\DescribeReservedInstances' {filters} -> filters) (\s@DescribeReservedInstances' {} a -> s {filters = a} :: DescribeReservedInstances) Prelude.. Lens.mapping Lens.coerced

-- | Describes whether the Reserved Instance is Standard or Convertible.
describeReservedInstances_offeringClass :: Lens.Lens' DescribeReservedInstances (Prelude.Maybe OfferingClassType)
describeReservedInstances_offeringClass = Lens.lens (\DescribeReservedInstances' {offeringClass} -> offeringClass) (\s@DescribeReservedInstances' {} a -> s {offeringClass = a} :: DescribeReservedInstances)

-- | The Reserved Instance offering type. If you are using tools that predate
-- the 2011-11-01 API version, you only have access to the
-- @Medium Utilization@ Reserved Instance offering type.
describeReservedInstances_offeringType :: Lens.Lens' DescribeReservedInstances (Prelude.Maybe OfferingTypeValues)
describeReservedInstances_offeringType = Lens.lens (\DescribeReservedInstances' {offeringType} -> offeringType) (\s@DescribeReservedInstances' {} a -> s {offeringType = a} :: DescribeReservedInstances)

-- | One or more Reserved Instance IDs.
--
-- Default: Describes all your Reserved Instances, or only those otherwise
-- specified.
describeReservedInstances_reservedInstancesIds :: Lens.Lens' DescribeReservedInstances (Prelude.Maybe [Prelude.Text])
describeReservedInstances_reservedInstancesIds = Lens.lens (\DescribeReservedInstances' {reservedInstancesIds} -> reservedInstancesIds) (\s@DescribeReservedInstances' {} a -> s {reservedInstancesIds = a} :: DescribeReservedInstances) Prelude.. Lens.mapping Lens.coerced

instance Core.AWSRequest DescribeReservedInstances where
  type
    AWSResponse DescribeReservedInstances =
      DescribeReservedInstancesResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXML
      ( \s h x ->
          DescribeReservedInstancesResponse'
            Prelude.<$> ( x
                            Data..@? "reservedInstancesSet"
                            Core..!@ Prelude.mempty
                            Prelude.>>= Core.may (Data.parseXMLList "item")
                        )
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeReservedInstances where
  hashWithSalt _salt DescribeReservedInstances' {..} =
    _salt
      `Prelude.hashWithSalt` dryRun
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` offeringClass
      `Prelude.hashWithSalt` offeringType
      `Prelude.hashWithSalt` reservedInstancesIds

instance Prelude.NFData DescribeReservedInstances where
  rnf DescribeReservedInstances' {..} =
    Prelude.rnf dryRun
      `Prelude.seq` Prelude.rnf filters
      `Prelude.seq` Prelude.rnf offeringClass
      `Prelude.seq` Prelude.rnf offeringType
      `Prelude.seq` Prelude.rnf reservedInstancesIds

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

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

instance Data.ToQuery DescribeReservedInstances where
  toQuery DescribeReservedInstances' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ("DescribeReservedInstances" :: Prelude.ByteString),
        "Version"
          Data.=: ("2016-11-15" :: Prelude.ByteString),
        "DryRun" Data.=: dryRun,
        Data.toQuery
          (Data.toQueryList "Filter" Prelude.<$> filters),
        "OfferingClass" Data.=: offeringClass,
        "OfferingType" Data.=: offeringType,
        Data.toQuery
          ( Data.toQueryList "ReservedInstancesId"
              Prelude.<$> reservedInstancesIds
          )
      ]

-- | Contains the output for DescribeReservedInstances.
--
-- /See:/ 'newDescribeReservedInstancesResponse' smart constructor.
data DescribeReservedInstancesResponse = DescribeReservedInstancesResponse'
  { -- | A list of Reserved Instances.
    reservedInstances :: Prelude.Maybe [ReservedInstances],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeReservedInstancesResponse' 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:
--
-- 'reservedInstances', 'describeReservedInstancesResponse_reservedInstances' - A list of Reserved Instances.
--
-- 'httpStatus', 'describeReservedInstancesResponse_httpStatus' - The response's http status code.
newDescribeReservedInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeReservedInstancesResponse
newDescribeReservedInstancesResponse pHttpStatus_ =
  DescribeReservedInstancesResponse'
    { reservedInstances =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A list of Reserved Instances.
describeReservedInstancesResponse_reservedInstances :: Lens.Lens' DescribeReservedInstancesResponse (Prelude.Maybe [ReservedInstances])
describeReservedInstancesResponse_reservedInstances = Lens.lens (\DescribeReservedInstancesResponse' {reservedInstances} -> reservedInstances) (\s@DescribeReservedInstancesResponse' {} a -> s {reservedInstances = a} :: DescribeReservedInstancesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeReservedInstancesResponse
  where
  rnf DescribeReservedInstancesResponse' {..} =
    Prelude.rnf reservedInstances
      `Prelude.seq` Prelude.rnf httpStatus