{-# 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.ECS.Types.DeploymentCircuitBreaker
-- 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.ECS.Types.DeploymentCircuitBreaker where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import qualified Amazonka.Prelude as Prelude

-- | The deployment circuit breaker can only be used for services using the
-- rolling update (@ECS@) deployment type that aren\'t behind a Classic
-- Load Balancer.
--
-- The __deployment circuit breaker__ determines whether a service
-- deployment will fail if the service can\'t reach a steady state. If
-- enabled, a service deployment will transition to a failed state and stop
-- launching new tasks. You can also configure Amazon ECS to roll back your
-- service to the last completed deployment after a failure. For more
-- information, see
-- <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/deployment-type-ecs.html Rolling update>
-- in the /Amazon Elastic Container Service Developer Guide/.
--
-- /See:/ 'newDeploymentCircuitBreaker' smart constructor.
data DeploymentCircuitBreaker = DeploymentCircuitBreaker'
  { -- | Determines whether to use the deployment circuit breaker logic for the
    -- service.
    DeploymentCircuitBreaker -> Bool
enable :: Prelude.Bool,
    -- | Determines whether to configure Amazon ECS to roll back the service if a
    -- service deployment fails. If rollback is on, when a service deployment
    -- fails, the service is rolled back to the last deployment that completed
    -- successfully.
    DeploymentCircuitBreaker -> Bool
rollback :: Prelude.Bool
  }
  deriving (DeploymentCircuitBreaker -> DeploymentCircuitBreaker -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DeploymentCircuitBreaker -> DeploymentCircuitBreaker -> Bool
$c/= :: DeploymentCircuitBreaker -> DeploymentCircuitBreaker -> Bool
== :: DeploymentCircuitBreaker -> DeploymentCircuitBreaker -> Bool
$c== :: DeploymentCircuitBreaker -> DeploymentCircuitBreaker -> Bool
Prelude.Eq, ReadPrec [DeploymentCircuitBreaker]
ReadPrec DeploymentCircuitBreaker
Int -> ReadS DeploymentCircuitBreaker
ReadS [DeploymentCircuitBreaker]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DeploymentCircuitBreaker]
$creadListPrec :: ReadPrec [DeploymentCircuitBreaker]
readPrec :: ReadPrec DeploymentCircuitBreaker
$creadPrec :: ReadPrec DeploymentCircuitBreaker
readList :: ReadS [DeploymentCircuitBreaker]
$creadList :: ReadS [DeploymentCircuitBreaker]
readsPrec :: Int -> ReadS DeploymentCircuitBreaker
$creadsPrec :: Int -> ReadS DeploymentCircuitBreaker
Prelude.Read, Int -> DeploymentCircuitBreaker -> ShowS
[DeploymentCircuitBreaker] -> ShowS
DeploymentCircuitBreaker -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DeploymentCircuitBreaker] -> ShowS
$cshowList :: [DeploymentCircuitBreaker] -> ShowS
show :: DeploymentCircuitBreaker -> String
$cshow :: DeploymentCircuitBreaker -> String
showsPrec :: Int -> DeploymentCircuitBreaker -> ShowS
$cshowsPrec :: Int -> DeploymentCircuitBreaker -> ShowS
Prelude.Show, forall x.
Rep DeploymentCircuitBreaker x -> DeploymentCircuitBreaker
forall x.
DeploymentCircuitBreaker -> Rep DeploymentCircuitBreaker x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DeploymentCircuitBreaker x -> DeploymentCircuitBreaker
$cfrom :: forall x.
DeploymentCircuitBreaker -> Rep DeploymentCircuitBreaker x
Prelude.Generic)

-- |
-- Create a value of 'DeploymentCircuitBreaker' 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:
--
-- 'enable', 'deploymentCircuitBreaker_enable' - Determines whether to use the deployment circuit breaker logic for the
-- service.
--
-- 'rollback', 'deploymentCircuitBreaker_rollback' - Determines whether to configure Amazon ECS to roll back the service if a
-- service deployment fails. If rollback is on, when a service deployment
-- fails, the service is rolled back to the last deployment that completed
-- successfully.
newDeploymentCircuitBreaker ::
  -- | 'enable'
  Prelude.Bool ->
  -- | 'rollback'
  Prelude.Bool ->
  DeploymentCircuitBreaker
newDeploymentCircuitBreaker :: Bool -> Bool -> DeploymentCircuitBreaker
newDeploymentCircuitBreaker Bool
pEnable_ Bool
pRollback_ =
  DeploymentCircuitBreaker'
    { $sel:enable:DeploymentCircuitBreaker' :: Bool
enable = Bool
pEnable_,
      $sel:rollback:DeploymentCircuitBreaker' :: Bool
rollback = Bool
pRollback_
    }

-- | Determines whether to use the deployment circuit breaker logic for the
-- service.
deploymentCircuitBreaker_enable :: Lens.Lens' DeploymentCircuitBreaker Prelude.Bool
deploymentCircuitBreaker_enable :: Lens' DeploymentCircuitBreaker Bool
deploymentCircuitBreaker_enable = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DeploymentCircuitBreaker' {Bool
enable :: Bool
$sel:enable:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
enable} -> Bool
enable) (\s :: DeploymentCircuitBreaker
s@DeploymentCircuitBreaker' {} Bool
a -> DeploymentCircuitBreaker
s {$sel:enable:DeploymentCircuitBreaker' :: Bool
enable = Bool
a} :: DeploymentCircuitBreaker)

-- | Determines whether to configure Amazon ECS to roll back the service if a
-- service deployment fails. If rollback is on, when a service deployment
-- fails, the service is rolled back to the last deployment that completed
-- successfully.
deploymentCircuitBreaker_rollback :: Lens.Lens' DeploymentCircuitBreaker Prelude.Bool
deploymentCircuitBreaker_rollback :: Lens' DeploymentCircuitBreaker Bool
deploymentCircuitBreaker_rollback = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DeploymentCircuitBreaker' {Bool
rollback :: Bool
$sel:rollback:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
rollback} -> Bool
rollback) (\s :: DeploymentCircuitBreaker
s@DeploymentCircuitBreaker' {} Bool
a -> DeploymentCircuitBreaker
s {$sel:rollback:DeploymentCircuitBreaker' :: Bool
rollback = Bool
a} :: DeploymentCircuitBreaker)

instance Data.FromJSON DeploymentCircuitBreaker where
  parseJSON :: Value -> Parser DeploymentCircuitBreaker
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"DeploymentCircuitBreaker"
      ( \Object
x ->
          Bool -> Bool -> DeploymentCircuitBreaker
DeploymentCircuitBreaker'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Parser a
Data..: Key
"enable")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Parser a
Data..: Key
"rollback")
      )

instance Prelude.Hashable DeploymentCircuitBreaker where
  hashWithSalt :: Int -> DeploymentCircuitBreaker -> Int
hashWithSalt Int
_salt DeploymentCircuitBreaker' {Bool
rollback :: Bool
enable :: Bool
$sel:rollback:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
$sel:enable:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Bool
enable
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Bool
rollback

instance Prelude.NFData DeploymentCircuitBreaker where
  rnf :: DeploymentCircuitBreaker -> ()
rnf DeploymentCircuitBreaker' {Bool
rollback :: Bool
enable :: Bool
$sel:rollback:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
$sel:enable:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Bool
enable
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Bool
rollback

instance Data.ToJSON DeploymentCircuitBreaker where
  toJSON :: DeploymentCircuitBreaker -> Value
toJSON DeploymentCircuitBreaker' {Bool
rollback :: Bool
enable :: Bool
$sel:rollback:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
$sel:enable:DeploymentCircuitBreaker' :: DeploymentCircuitBreaker -> Bool
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ forall a. a -> Maybe a
Prelude.Just (Key
"enable" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= Bool
enable),
            forall a. a -> Maybe a
Prelude.Just (Key
"rollback" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= Bool
rollback)
          ]
      )