{-# 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.FleetSpotCapacityRebalance
-- 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.FleetSpotCapacityRebalance 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.FleetReplacementStrategy
import qualified Amazonka.Prelude as Prelude

-- | The strategy to use when Amazon EC2 emits a signal that your Spot
-- Instance is at an elevated risk of being interrupted.
--
-- /See:/ 'newFleetSpotCapacityRebalance' smart constructor.
data FleetSpotCapacityRebalance = FleetSpotCapacityRebalance'
  { -- | The replacement strategy to use. Only available for fleets of type
    -- @maintain@.
    --
    -- @launch@ - EC2 Fleet launches a new replacement Spot Instance when a
    -- rebalance notification is emitted for an existing Spot Instance in the
    -- fleet. EC2 Fleet does not terminate the instances that receive a
    -- rebalance notification. You can terminate the old instances, or you can
    -- leave them running. You are charged for all instances while they are
    -- running.
    --
    -- @launch-before-terminate@ - EC2 Fleet launches a new replacement Spot
    -- Instance when a rebalance notification is emitted for an existing Spot
    -- Instance in the fleet, and then, after a delay that you specify (in
    -- @TerminationDelay@), terminates the instances that received a rebalance
    -- notification.
    FleetSpotCapacityRebalance -> Maybe FleetReplacementStrategy
replacementStrategy :: Prelude.Maybe FleetReplacementStrategy,
    -- | The amount of time (in seconds) that Amazon EC2 waits before terminating
    -- the old Spot Instance after launching a new replacement Spot Instance.
    --
    -- Required when @ReplacementStrategy@ is set to @launch-before-terminate@.
    --
    -- Not valid when @ReplacementStrategy@ is set to @launch@.
    --
    -- Valid values: Minimum value of @120@ seconds. Maximum value of @7200@
    -- seconds.
    FleetSpotCapacityRebalance -> Maybe Int
terminationDelay :: Prelude.Maybe Prelude.Int
  }
  deriving (FleetSpotCapacityRebalance -> FleetSpotCapacityRebalance -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: FleetSpotCapacityRebalance -> FleetSpotCapacityRebalance -> Bool
$c/= :: FleetSpotCapacityRebalance -> FleetSpotCapacityRebalance -> Bool
== :: FleetSpotCapacityRebalance -> FleetSpotCapacityRebalance -> Bool
$c== :: FleetSpotCapacityRebalance -> FleetSpotCapacityRebalance -> Bool
Prelude.Eq, ReadPrec [FleetSpotCapacityRebalance]
ReadPrec FleetSpotCapacityRebalance
Int -> ReadS FleetSpotCapacityRebalance
ReadS [FleetSpotCapacityRebalance]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [FleetSpotCapacityRebalance]
$creadListPrec :: ReadPrec [FleetSpotCapacityRebalance]
readPrec :: ReadPrec FleetSpotCapacityRebalance
$creadPrec :: ReadPrec FleetSpotCapacityRebalance
readList :: ReadS [FleetSpotCapacityRebalance]
$creadList :: ReadS [FleetSpotCapacityRebalance]
readsPrec :: Int -> ReadS FleetSpotCapacityRebalance
$creadsPrec :: Int -> ReadS FleetSpotCapacityRebalance
Prelude.Read, Int -> FleetSpotCapacityRebalance -> ShowS
[FleetSpotCapacityRebalance] -> ShowS
FleetSpotCapacityRebalance -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FleetSpotCapacityRebalance] -> ShowS
$cshowList :: [FleetSpotCapacityRebalance] -> ShowS
show :: FleetSpotCapacityRebalance -> String
$cshow :: FleetSpotCapacityRebalance -> String
showsPrec :: Int -> FleetSpotCapacityRebalance -> ShowS
$cshowsPrec :: Int -> FleetSpotCapacityRebalance -> ShowS
Prelude.Show, forall x.
Rep FleetSpotCapacityRebalance x -> FleetSpotCapacityRebalance
forall x.
FleetSpotCapacityRebalance -> Rep FleetSpotCapacityRebalance x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep FleetSpotCapacityRebalance x -> FleetSpotCapacityRebalance
$cfrom :: forall x.
FleetSpotCapacityRebalance -> Rep FleetSpotCapacityRebalance x
Prelude.Generic)

-- |
-- Create a value of 'FleetSpotCapacityRebalance' 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:
--
-- 'replacementStrategy', 'fleetSpotCapacityRebalance_replacementStrategy' - The replacement strategy to use. Only available for fleets of type
-- @maintain@.
--
-- @launch@ - EC2 Fleet launches a new replacement Spot Instance when a
-- rebalance notification is emitted for an existing Spot Instance in the
-- fleet. EC2 Fleet does not terminate the instances that receive a
-- rebalance notification. You can terminate the old instances, or you can
-- leave them running. You are charged for all instances while they are
-- running.
--
-- @launch-before-terminate@ - EC2 Fleet launches a new replacement Spot
-- Instance when a rebalance notification is emitted for an existing Spot
-- Instance in the fleet, and then, after a delay that you specify (in
-- @TerminationDelay@), terminates the instances that received a rebalance
-- notification.
--
-- 'terminationDelay', 'fleetSpotCapacityRebalance_terminationDelay' - The amount of time (in seconds) that Amazon EC2 waits before terminating
-- the old Spot Instance after launching a new replacement Spot Instance.
--
-- Required when @ReplacementStrategy@ is set to @launch-before-terminate@.
--
-- Not valid when @ReplacementStrategy@ is set to @launch@.
--
-- Valid values: Minimum value of @120@ seconds. Maximum value of @7200@
-- seconds.
newFleetSpotCapacityRebalance ::
  FleetSpotCapacityRebalance
newFleetSpotCapacityRebalance :: FleetSpotCapacityRebalance
newFleetSpotCapacityRebalance =
  FleetSpotCapacityRebalance'
    { $sel:replacementStrategy:FleetSpotCapacityRebalance' :: Maybe FleetReplacementStrategy
replacementStrategy =
        forall a. Maybe a
Prelude.Nothing,
      $sel:terminationDelay:FleetSpotCapacityRebalance' :: Maybe Int
terminationDelay = forall a. Maybe a
Prelude.Nothing
    }

-- | The replacement strategy to use. Only available for fleets of type
-- @maintain@.
--
-- @launch@ - EC2 Fleet launches a new replacement Spot Instance when a
-- rebalance notification is emitted for an existing Spot Instance in the
-- fleet. EC2 Fleet does not terminate the instances that receive a
-- rebalance notification. You can terminate the old instances, or you can
-- leave them running. You are charged for all instances while they are
-- running.
--
-- @launch-before-terminate@ - EC2 Fleet launches a new replacement Spot
-- Instance when a rebalance notification is emitted for an existing Spot
-- Instance in the fleet, and then, after a delay that you specify (in
-- @TerminationDelay@), terminates the instances that received a rebalance
-- notification.
fleetSpotCapacityRebalance_replacementStrategy :: Lens.Lens' FleetSpotCapacityRebalance (Prelude.Maybe FleetReplacementStrategy)
fleetSpotCapacityRebalance_replacementStrategy :: Lens' FleetSpotCapacityRebalance (Maybe FleetReplacementStrategy)
fleetSpotCapacityRebalance_replacementStrategy = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FleetSpotCapacityRebalance' {Maybe FleetReplacementStrategy
replacementStrategy :: Maybe FleetReplacementStrategy
$sel:replacementStrategy:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe FleetReplacementStrategy
replacementStrategy} -> Maybe FleetReplacementStrategy
replacementStrategy) (\s :: FleetSpotCapacityRebalance
s@FleetSpotCapacityRebalance' {} Maybe FleetReplacementStrategy
a -> FleetSpotCapacityRebalance
s {$sel:replacementStrategy:FleetSpotCapacityRebalance' :: Maybe FleetReplacementStrategy
replacementStrategy = Maybe FleetReplacementStrategy
a} :: FleetSpotCapacityRebalance)

-- | The amount of time (in seconds) that Amazon EC2 waits before terminating
-- the old Spot Instance after launching a new replacement Spot Instance.
--
-- Required when @ReplacementStrategy@ is set to @launch-before-terminate@.
--
-- Not valid when @ReplacementStrategy@ is set to @launch@.
--
-- Valid values: Minimum value of @120@ seconds. Maximum value of @7200@
-- seconds.
fleetSpotCapacityRebalance_terminationDelay :: Lens.Lens' FleetSpotCapacityRebalance (Prelude.Maybe Prelude.Int)
fleetSpotCapacityRebalance_terminationDelay :: Lens' FleetSpotCapacityRebalance (Maybe Int)
fleetSpotCapacityRebalance_terminationDelay = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FleetSpotCapacityRebalance' {Maybe Int
terminationDelay :: Maybe Int
$sel:terminationDelay:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe Int
terminationDelay} -> Maybe Int
terminationDelay) (\s :: FleetSpotCapacityRebalance
s@FleetSpotCapacityRebalance' {} Maybe Int
a -> FleetSpotCapacityRebalance
s {$sel:terminationDelay:FleetSpotCapacityRebalance' :: Maybe Int
terminationDelay = Maybe Int
a} :: FleetSpotCapacityRebalance)

instance Data.FromXML FleetSpotCapacityRebalance where
  parseXML :: [Node] -> Either String FleetSpotCapacityRebalance
parseXML [Node]
x =
    Maybe FleetReplacementStrategy
-> Maybe Int -> FleetSpotCapacityRebalance
FleetSpotCapacityRebalance'
      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
"replacementStrategy")
      forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> ([Node]
x forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"terminationDelay")

instance Prelude.Hashable FleetSpotCapacityRebalance where
  hashWithSalt :: Int -> FleetSpotCapacityRebalance -> Int
hashWithSalt Int
_salt FleetSpotCapacityRebalance' {Maybe Int
Maybe FleetReplacementStrategy
terminationDelay :: Maybe Int
replacementStrategy :: Maybe FleetReplacementStrategy
$sel:terminationDelay:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe Int
$sel:replacementStrategy:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe FleetReplacementStrategy
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe FleetReplacementStrategy
replacementStrategy
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Int
terminationDelay

instance Prelude.NFData FleetSpotCapacityRebalance where
  rnf :: FleetSpotCapacityRebalance -> ()
rnf FleetSpotCapacityRebalance' {Maybe Int
Maybe FleetReplacementStrategy
terminationDelay :: Maybe Int
replacementStrategy :: Maybe FleetReplacementStrategy
$sel:terminationDelay:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe Int
$sel:replacementStrategy:FleetSpotCapacityRebalance' :: FleetSpotCapacityRebalance -> Maybe FleetReplacementStrategy
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe FleetReplacementStrategy
replacementStrategy
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Int
terminationDelay