{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# 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.Types.SpotMaintenanceStrategies
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.EC2.Types.SpotMaintenanceStrategies where

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

-- | The strategies for managing your Spot Instances that are at an elevated
-- risk of being interrupted.
--
-- /See:/ 'newSpotMaintenanceStrategies' smart constructor.
data SpotMaintenanceStrategies = SpotMaintenanceStrategies'
  { -- | The Spot Instance replacement strategy to use when Amazon EC2 emits a
    -- signal that your Spot Instance is at an elevated risk of being
    -- interrupted. For more information, see
    -- <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-fleet-capacity-rebalance.html Capacity rebalancing>
    -- in the /Amazon EC2 User Guide for Linux Instances/.
    SpotMaintenanceStrategies -> Maybe SpotCapacityRebalance
capacityRebalance :: Prelude.Maybe SpotCapacityRebalance
  }
  deriving (SpotMaintenanceStrategies -> SpotMaintenanceStrategies -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SpotMaintenanceStrategies -> SpotMaintenanceStrategies -> Bool
$c/= :: SpotMaintenanceStrategies -> SpotMaintenanceStrategies -> Bool
== :: SpotMaintenanceStrategies -> SpotMaintenanceStrategies -> Bool
$c== :: SpotMaintenanceStrategies -> SpotMaintenanceStrategies -> Bool
Prelude.Eq, ReadPrec [SpotMaintenanceStrategies]
ReadPrec SpotMaintenanceStrategies
Int -> ReadS SpotMaintenanceStrategies
ReadS [SpotMaintenanceStrategies]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [SpotMaintenanceStrategies]
$creadListPrec :: ReadPrec [SpotMaintenanceStrategies]
readPrec :: ReadPrec SpotMaintenanceStrategies
$creadPrec :: ReadPrec SpotMaintenanceStrategies
readList :: ReadS [SpotMaintenanceStrategies]
$creadList :: ReadS [SpotMaintenanceStrategies]
readsPrec :: Int -> ReadS SpotMaintenanceStrategies
$creadsPrec :: Int -> ReadS SpotMaintenanceStrategies
Prelude.Read, Int -> SpotMaintenanceStrategies -> ShowS
[SpotMaintenanceStrategies] -> ShowS
SpotMaintenanceStrategies -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [SpotMaintenanceStrategies] -> ShowS
$cshowList :: [SpotMaintenanceStrategies] -> ShowS
show :: SpotMaintenanceStrategies -> String
$cshow :: SpotMaintenanceStrategies -> String
showsPrec :: Int -> SpotMaintenanceStrategies -> ShowS
$cshowsPrec :: Int -> SpotMaintenanceStrategies -> ShowS
Prelude.Show, forall x.
Rep SpotMaintenanceStrategies x -> SpotMaintenanceStrategies
forall x.
SpotMaintenanceStrategies -> Rep SpotMaintenanceStrategies x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep SpotMaintenanceStrategies x -> SpotMaintenanceStrategies
$cfrom :: forall x.
SpotMaintenanceStrategies -> Rep SpotMaintenanceStrategies x
Prelude.Generic)

-- |
-- Create a value of 'SpotMaintenanceStrategies' 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:
--
-- 'capacityRebalance', 'spotMaintenanceStrategies_capacityRebalance' - The Spot Instance replacement strategy to use when Amazon EC2 emits a
-- signal that your Spot Instance is at an elevated risk of being
-- interrupted. For more information, see
-- <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-fleet-capacity-rebalance.html Capacity rebalancing>
-- in the /Amazon EC2 User Guide for Linux Instances/.
newSpotMaintenanceStrategies ::
  SpotMaintenanceStrategies
newSpotMaintenanceStrategies :: SpotMaintenanceStrategies
newSpotMaintenanceStrategies =
  SpotMaintenanceStrategies'
    { $sel:capacityRebalance:SpotMaintenanceStrategies' :: Maybe SpotCapacityRebalance
capacityRebalance =
        forall a. Maybe a
Prelude.Nothing
    }

-- | The Spot Instance replacement strategy to use when Amazon EC2 emits a
-- signal that your Spot Instance is at an elevated risk of being
-- interrupted. For more information, see
-- <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-fleet-capacity-rebalance.html Capacity rebalancing>
-- in the /Amazon EC2 User Guide for Linux Instances/.
spotMaintenanceStrategies_capacityRebalance :: Lens.Lens' SpotMaintenanceStrategies (Prelude.Maybe SpotCapacityRebalance)
spotMaintenanceStrategies_capacityRebalance :: Lens' SpotMaintenanceStrategies (Maybe SpotCapacityRebalance)
spotMaintenanceStrategies_capacityRebalance = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\SpotMaintenanceStrategies' {Maybe SpotCapacityRebalance
capacityRebalance :: Maybe SpotCapacityRebalance
$sel:capacityRebalance:SpotMaintenanceStrategies' :: SpotMaintenanceStrategies -> Maybe SpotCapacityRebalance
capacityRebalance} -> Maybe SpotCapacityRebalance
capacityRebalance) (\s :: SpotMaintenanceStrategies
s@SpotMaintenanceStrategies' {} Maybe SpotCapacityRebalance
a -> SpotMaintenanceStrategies
s {$sel:capacityRebalance:SpotMaintenanceStrategies' :: Maybe SpotCapacityRebalance
capacityRebalance = Maybe SpotCapacityRebalance
a} :: SpotMaintenanceStrategies)

instance Data.FromXML SpotMaintenanceStrategies where
  parseXML :: [Node] -> Either String SpotMaintenanceStrategies
parseXML [Node]
x =
    Maybe SpotCapacityRebalance -> SpotMaintenanceStrategies
SpotMaintenanceStrategies'
      forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ([Node]
x forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"capacityRebalance")

instance Prelude.Hashable SpotMaintenanceStrategies where
  hashWithSalt :: Int -> SpotMaintenanceStrategies -> Int
hashWithSalt Int
_salt SpotMaintenanceStrategies' {Maybe SpotCapacityRebalance
capacityRebalance :: Maybe SpotCapacityRebalance
$sel:capacityRebalance:SpotMaintenanceStrategies' :: SpotMaintenanceStrategies -> Maybe SpotCapacityRebalance
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe SpotCapacityRebalance
capacityRebalance

instance Prelude.NFData SpotMaintenanceStrategies where
  rnf :: SpotMaintenanceStrategies -> ()
rnf SpotMaintenanceStrategies' {Maybe SpotCapacityRebalance
capacityRebalance :: Maybe SpotCapacityRebalance
$sel:capacityRebalance:SpotMaintenanceStrategies' :: SpotMaintenanceStrategies -> Maybe SpotCapacityRebalance
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe SpotCapacityRebalance
capacityRebalance

instance Data.ToQuery SpotMaintenanceStrategies where
  toQuery :: SpotMaintenanceStrategies -> QueryString
toQuery SpotMaintenanceStrategies' {Maybe SpotCapacityRebalance
capacityRebalance :: Maybe SpotCapacityRebalance
$sel:capacityRebalance:SpotMaintenanceStrategies' :: SpotMaintenanceStrategies -> Maybe SpotCapacityRebalance
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ByteString
"CapacityRebalance" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe SpotCapacityRebalance
capacityRebalance]