{-# 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.OpsWorks.DescribeElasticLoadBalancers
-- 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 a stack\'s Elastic Load Balancing instances.
--
-- This call accepts only one resource-identifying parameter.
--
-- __Required Permissions__: To use this action, an IAM user must have a
-- Show, Deploy, or Manage permissions level for the stack, or an attached
-- policy that explicitly grants permissions. For more information about
-- user permissions, see
-- <https://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html Managing User Permissions>.
module Amazonka.OpsWorks.DescribeElasticLoadBalancers
  ( -- * Creating a Request
    DescribeElasticLoadBalancers (..),
    newDescribeElasticLoadBalancers,

    -- * Request Lenses
    describeElasticLoadBalancers_layerIds,
    describeElasticLoadBalancers_stackId,

    -- * Destructuring the Response
    DescribeElasticLoadBalancersResponse (..),
    newDescribeElasticLoadBalancersResponse,

    -- * Response Lenses
    describeElasticLoadBalancersResponse_elasticLoadBalancers,
    describeElasticLoadBalancersResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeElasticLoadBalancers' smart constructor.
data DescribeElasticLoadBalancers = DescribeElasticLoadBalancers'
  { -- | A list of layer IDs. The action describes the Elastic Load Balancing
    -- instances for the specified layers.
    DescribeElasticLoadBalancers -> Maybe [Text]
layerIds :: Prelude.Maybe [Prelude.Text],
    -- | A stack ID. The action describes the stack\'s Elastic Load Balancing
    -- instances.
    DescribeElasticLoadBalancers -> Maybe Text
stackId :: Prelude.Maybe Prelude.Text
  }
  deriving (DescribeElasticLoadBalancers
-> DescribeElasticLoadBalancers -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeElasticLoadBalancers
-> DescribeElasticLoadBalancers -> Bool
$c/= :: DescribeElasticLoadBalancers
-> DescribeElasticLoadBalancers -> Bool
== :: DescribeElasticLoadBalancers
-> DescribeElasticLoadBalancers -> Bool
$c== :: DescribeElasticLoadBalancers
-> DescribeElasticLoadBalancers -> Bool
Prelude.Eq, ReadPrec [DescribeElasticLoadBalancers]
ReadPrec DescribeElasticLoadBalancers
Int -> ReadS DescribeElasticLoadBalancers
ReadS [DescribeElasticLoadBalancers]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeElasticLoadBalancers]
$creadListPrec :: ReadPrec [DescribeElasticLoadBalancers]
readPrec :: ReadPrec DescribeElasticLoadBalancers
$creadPrec :: ReadPrec DescribeElasticLoadBalancers
readList :: ReadS [DescribeElasticLoadBalancers]
$creadList :: ReadS [DescribeElasticLoadBalancers]
readsPrec :: Int -> ReadS DescribeElasticLoadBalancers
$creadsPrec :: Int -> ReadS DescribeElasticLoadBalancers
Prelude.Read, Int -> DescribeElasticLoadBalancers -> ShowS
[DescribeElasticLoadBalancers] -> ShowS
DescribeElasticLoadBalancers -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeElasticLoadBalancers] -> ShowS
$cshowList :: [DescribeElasticLoadBalancers] -> ShowS
show :: DescribeElasticLoadBalancers -> String
$cshow :: DescribeElasticLoadBalancers -> String
showsPrec :: Int -> DescribeElasticLoadBalancers -> ShowS
$cshowsPrec :: Int -> DescribeElasticLoadBalancers -> ShowS
Prelude.Show, forall x.
Rep DescribeElasticLoadBalancers x -> DescribeElasticLoadBalancers
forall x.
DescribeElasticLoadBalancers -> Rep DescribeElasticLoadBalancers x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DescribeElasticLoadBalancers x -> DescribeElasticLoadBalancers
$cfrom :: forall x.
DescribeElasticLoadBalancers -> Rep DescribeElasticLoadBalancers x
Prelude.Generic)

-- |
-- Create a value of 'DescribeElasticLoadBalancers' 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:
--
-- 'layerIds', 'describeElasticLoadBalancers_layerIds' - A list of layer IDs. The action describes the Elastic Load Balancing
-- instances for the specified layers.
--
-- 'stackId', 'describeElasticLoadBalancers_stackId' - A stack ID. The action describes the stack\'s Elastic Load Balancing
-- instances.
newDescribeElasticLoadBalancers ::
  DescribeElasticLoadBalancers
newDescribeElasticLoadBalancers :: DescribeElasticLoadBalancers
newDescribeElasticLoadBalancers =
  DescribeElasticLoadBalancers'
    { $sel:layerIds:DescribeElasticLoadBalancers' :: Maybe [Text]
layerIds =
        forall a. Maybe a
Prelude.Nothing,
      $sel:stackId:DescribeElasticLoadBalancers' :: Maybe Text
stackId = forall a. Maybe a
Prelude.Nothing
    }

-- | A list of layer IDs. The action describes the Elastic Load Balancing
-- instances for the specified layers.
describeElasticLoadBalancers_layerIds :: Lens.Lens' DescribeElasticLoadBalancers (Prelude.Maybe [Prelude.Text])
describeElasticLoadBalancers_layerIds :: Lens' DescribeElasticLoadBalancers (Maybe [Text])
describeElasticLoadBalancers_layerIds = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeElasticLoadBalancers' {Maybe [Text]
layerIds :: Maybe [Text]
$sel:layerIds:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe [Text]
layerIds} -> Maybe [Text]
layerIds) (\s :: DescribeElasticLoadBalancers
s@DescribeElasticLoadBalancers' {} Maybe [Text]
a -> DescribeElasticLoadBalancers
s {$sel:layerIds:DescribeElasticLoadBalancers' :: Maybe [Text]
layerIds = Maybe [Text]
a} :: DescribeElasticLoadBalancers) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

-- | A stack ID. The action describes the stack\'s Elastic Load Balancing
-- instances.
describeElasticLoadBalancers_stackId :: Lens.Lens' DescribeElasticLoadBalancers (Prelude.Maybe Prelude.Text)
describeElasticLoadBalancers_stackId :: Lens' DescribeElasticLoadBalancers (Maybe Text)
describeElasticLoadBalancers_stackId = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeElasticLoadBalancers' {Maybe Text
stackId :: Maybe Text
$sel:stackId:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe Text
stackId} -> Maybe Text
stackId) (\s :: DescribeElasticLoadBalancers
s@DescribeElasticLoadBalancers' {} Maybe Text
a -> DescribeElasticLoadBalancers
s {$sel:stackId:DescribeElasticLoadBalancers' :: Maybe Text
stackId = Maybe Text
a} :: DescribeElasticLoadBalancers)

instance Core.AWSRequest DescribeElasticLoadBalancers where
  type
    AWSResponse DescribeElasticLoadBalancers =
      DescribeElasticLoadBalancersResponse
  request :: (Service -> Service)
-> DescribeElasticLoadBalancers
-> Request DescribeElasticLoadBalancers
request Service -> Service
overrides =
    forall a. (ToRequest a, ToJSON a) => Service -> a -> Request a
Request.postJSON (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy DescribeElasticLoadBalancers
-> ClientResponse ClientBody
-> m (Either
        Error (ClientResponse (AWSResponse DescribeElasticLoadBalancers)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
(Int -> ResponseHeaders -> Object -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveJSON
      ( \Int
s ResponseHeaders
h Object
x ->
          Maybe [ElasticLoadBalancer]
-> Int -> DescribeElasticLoadBalancersResponse
DescribeElasticLoadBalancersResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ( Object
x
                            forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"ElasticLoadBalancers"
                            forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty
                        )
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance
  Prelude.Hashable
    DescribeElasticLoadBalancers
  where
  hashWithSalt :: Int -> DescribeElasticLoadBalancers -> Int
hashWithSalt Int
_salt DescribeElasticLoadBalancers' {Maybe [Text]
Maybe Text
stackId :: Maybe Text
layerIds :: Maybe [Text]
$sel:stackId:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe Text
$sel:layerIds:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe [Text]
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe [Text]
layerIds
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
stackId

instance Prelude.NFData DescribeElasticLoadBalancers where
  rnf :: DescribeElasticLoadBalancers -> ()
rnf DescribeElasticLoadBalancers' {Maybe [Text]
Maybe Text
stackId :: Maybe Text
layerIds :: Maybe [Text]
$sel:stackId:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe Text
$sel:layerIds:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe [Text]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [Text]
layerIds
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
stackId

instance Data.ToHeaders DescribeElasticLoadBalancers where
  toHeaders :: DescribeElasticLoadBalancers -> ResponseHeaders
toHeaders =
    forall a b. a -> b -> a
Prelude.const
      ( forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"X-Amz-Target"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"OpsWorks_20130218.DescribeElasticLoadBalancers" ::
                          Prelude.ByteString
                      ),
            HeaderName
"Content-Type"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeElasticLoadBalancers where
  toJSON :: DescribeElasticLoadBalancers -> Value
toJSON DescribeElasticLoadBalancers' {Maybe [Text]
Maybe Text
stackId :: Maybe Text
layerIds :: Maybe [Text]
$sel:stackId:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe Text
$sel:layerIds:DescribeElasticLoadBalancers' :: DescribeElasticLoadBalancers -> Maybe [Text]
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"LayerIds" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe [Text]
layerIds,
            (Key
"StackId" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Text
stackId
          ]
      )

instance Data.ToPath DescribeElasticLoadBalancers where
  toPath :: DescribeElasticLoadBalancers -> ByteString
toPath = forall a b. a -> b -> a
Prelude.const ByteString
"/"

instance Data.ToQuery DescribeElasticLoadBalancers where
  toQuery :: DescribeElasticLoadBalancers -> QueryString
toQuery = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

-- | Contains the response to a @DescribeElasticLoadBalancers@ request.
--
-- /See:/ 'newDescribeElasticLoadBalancersResponse' smart constructor.
data DescribeElasticLoadBalancersResponse = DescribeElasticLoadBalancersResponse'
  { -- | A list of @ElasticLoadBalancer@ objects that describe the specified
    -- Elastic Load Balancing instances.
    DescribeElasticLoadBalancersResponse -> Maybe [ElasticLoadBalancer]
elasticLoadBalancers :: Prelude.Maybe [ElasticLoadBalancer],
    -- | The response's http status code.
    DescribeElasticLoadBalancersResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (DescribeElasticLoadBalancersResponse
-> DescribeElasticLoadBalancersResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeElasticLoadBalancersResponse
-> DescribeElasticLoadBalancersResponse -> Bool
$c/= :: DescribeElasticLoadBalancersResponse
-> DescribeElasticLoadBalancersResponse -> Bool
== :: DescribeElasticLoadBalancersResponse
-> DescribeElasticLoadBalancersResponse -> Bool
$c== :: DescribeElasticLoadBalancersResponse
-> DescribeElasticLoadBalancersResponse -> Bool
Prelude.Eq, ReadPrec [DescribeElasticLoadBalancersResponse]
ReadPrec DescribeElasticLoadBalancersResponse
Int -> ReadS DescribeElasticLoadBalancersResponse
ReadS [DescribeElasticLoadBalancersResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeElasticLoadBalancersResponse]
$creadListPrec :: ReadPrec [DescribeElasticLoadBalancersResponse]
readPrec :: ReadPrec DescribeElasticLoadBalancersResponse
$creadPrec :: ReadPrec DescribeElasticLoadBalancersResponse
readList :: ReadS [DescribeElasticLoadBalancersResponse]
$creadList :: ReadS [DescribeElasticLoadBalancersResponse]
readsPrec :: Int -> ReadS DescribeElasticLoadBalancersResponse
$creadsPrec :: Int -> ReadS DescribeElasticLoadBalancersResponse
Prelude.Read, Int -> DescribeElasticLoadBalancersResponse -> ShowS
[DescribeElasticLoadBalancersResponse] -> ShowS
DescribeElasticLoadBalancersResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeElasticLoadBalancersResponse] -> ShowS
$cshowList :: [DescribeElasticLoadBalancersResponse] -> ShowS
show :: DescribeElasticLoadBalancersResponse -> String
$cshow :: DescribeElasticLoadBalancersResponse -> String
showsPrec :: Int -> DescribeElasticLoadBalancersResponse -> ShowS
$cshowsPrec :: Int -> DescribeElasticLoadBalancersResponse -> ShowS
Prelude.Show, forall x.
Rep DescribeElasticLoadBalancersResponse x
-> DescribeElasticLoadBalancersResponse
forall x.
DescribeElasticLoadBalancersResponse
-> Rep DescribeElasticLoadBalancersResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DescribeElasticLoadBalancersResponse x
-> DescribeElasticLoadBalancersResponse
$cfrom :: forall x.
DescribeElasticLoadBalancersResponse
-> Rep DescribeElasticLoadBalancersResponse x
Prelude.Generic)

-- |
-- Create a value of 'DescribeElasticLoadBalancersResponse' 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:
--
-- 'elasticLoadBalancers', 'describeElasticLoadBalancersResponse_elasticLoadBalancers' - A list of @ElasticLoadBalancer@ objects that describe the specified
-- Elastic Load Balancing instances.
--
-- 'httpStatus', 'describeElasticLoadBalancersResponse_httpStatus' - The response's http status code.
newDescribeElasticLoadBalancersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeElasticLoadBalancersResponse
newDescribeElasticLoadBalancersResponse :: Int -> DescribeElasticLoadBalancersResponse
newDescribeElasticLoadBalancersResponse Int
pHttpStatus_ =
  DescribeElasticLoadBalancersResponse'
    { $sel:elasticLoadBalancers:DescribeElasticLoadBalancersResponse' :: Maybe [ElasticLoadBalancer]
elasticLoadBalancers =
        forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:DescribeElasticLoadBalancersResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | A list of @ElasticLoadBalancer@ objects that describe the specified
-- Elastic Load Balancing instances.
describeElasticLoadBalancersResponse_elasticLoadBalancers :: Lens.Lens' DescribeElasticLoadBalancersResponse (Prelude.Maybe [ElasticLoadBalancer])
describeElasticLoadBalancersResponse_elasticLoadBalancers :: Lens'
  DescribeElasticLoadBalancersResponse (Maybe [ElasticLoadBalancer])
describeElasticLoadBalancersResponse_elasticLoadBalancers = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeElasticLoadBalancersResponse' {Maybe [ElasticLoadBalancer]
elasticLoadBalancers :: Maybe [ElasticLoadBalancer]
$sel:elasticLoadBalancers:DescribeElasticLoadBalancersResponse' :: DescribeElasticLoadBalancersResponse -> Maybe [ElasticLoadBalancer]
elasticLoadBalancers} -> Maybe [ElasticLoadBalancer]
elasticLoadBalancers) (\s :: DescribeElasticLoadBalancersResponse
s@DescribeElasticLoadBalancersResponse' {} Maybe [ElasticLoadBalancer]
a -> DescribeElasticLoadBalancersResponse
s {$sel:elasticLoadBalancers:DescribeElasticLoadBalancersResponse' :: Maybe [ElasticLoadBalancer]
elasticLoadBalancers = Maybe [ElasticLoadBalancer]
a} :: DescribeElasticLoadBalancersResponse) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

-- | The response's http status code.
describeElasticLoadBalancersResponse_httpStatus :: Lens.Lens' DescribeElasticLoadBalancersResponse Prelude.Int
describeElasticLoadBalancersResponse_httpStatus :: Lens' DescribeElasticLoadBalancersResponse Int
describeElasticLoadBalancersResponse_httpStatus = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeElasticLoadBalancersResponse' {Int
httpStatus :: Int
$sel:httpStatus:DescribeElasticLoadBalancersResponse' :: DescribeElasticLoadBalancersResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: DescribeElasticLoadBalancersResponse
s@DescribeElasticLoadBalancersResponse' {} Int
a -> DescribeElasticLoadBalancersResponse
s {$sel:httpStatus:DescribeElasticLoadBalancersResponse' :: Int
httpStatus = Int
a} :: DescribeElasticLoadBalancersResponse)

instance
  Prelude.NFData
    DescribeElasticLoadBalancersResponse
  where
  rnf :: DescribeElasticLoadBalancersResponse -> ()
rnf DescribeElasticLoadBalancersResponse' {Int
Maybe [ElasticLoadBalancer]
httpStatus :: Int
elasticLoadBalancers :: Maybe [ElasticLoadBalancer]
$sel:httpStatus:DescribeElasticLoadBalancersResponse' :: DescribeElasticLoadBalancersResponse -> Int
$sel:elasticLoadBalancers:DescribeElasticLoadBalancersResponse' :: DescribeElasticLoadBalancersResponse -> Maybe [ElasticLoadBalancer]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [ElasticLoadBalancer]
elasticLoadBalancers
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus