{-# 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.EFS.DescribeFileSystemPolicy
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns the @FileSystemPolicy@ for the specified EFS file system.
--
-- This operation requires permissions for the
-- @elasticfilesystem:DescribeFileSystemPolicy@ action.
module Amazonka.EFS.DescribeFileSystemPolicy
  ( -- * Creating a Request
    DescribeFileSystemPolicy (..),
    newDescribeFileSystemPolicy,

    -- * Request Lenses
    describeFileSystemPolicy_fileSystemId,

    -- * Destructuring the Response
    FileSystemPolicyDescription (..),
    newFileSystemPolicyDescription,

    -- * Response Lenses
    fileSystemPolicyDescription_fileSystemId,
    fileSystemPolicyDescription_policy,
  )
where

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

-- | /See:/ 'newDescribeFileSystemPolicy' smart constructor.
data DescribeFileSystemPolicy = DescribeFileSystemPolicy'
  { -- | Specifies which EFS file system to retrieve the @FileSystemPolicy@ for.
    DescribeFileSystemPolicy -> Text
fileSystemId :: Prelude.Text
  }
  deriving (DescribeFileSystemPolicy -> DescribeFileSystemPolicy -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeFileSystemPolicy -> DescribeFileSystemPolicy -> Bool
$c/= :: DescribeFileSystemPolicy -> DescribeFileSystemPolicy -> Bool
== :: DescribeFileSystemPolicy -> DescribeFileSystemPolicy -> Bool
$c== :: DescribeFileSystemPolicy -> DescribeFileSystemPolicy -> Bool
Prelude.Eq, ReadPrec [DescribeFileSystemPolicy]
ReadPrec DescribeFileSystemPolicy
Int -> ReadS DescribeFileSystemPolicy
ReadS [DescribeFileSystemPolicy]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeFileSystemPolicy]
$creadListPrec :: ReadPrec [DescribeFileSystemPolicy]
readPrec :: ReadPrec DescribeFileSystemPolicy
$creadPrec :: ReadPrec DescribeFileSystemPolicy
readList :: ReadS [DescribeFileSystemPolicy]
$creadList :: ReadS [DescribeFileSystemPolicy]
readsPrec :: Int -> ReadS DescribeFileSystemPolicy
$creadsPrec :: Int -> ReadS DescribeFileSystemPolicy
Prelude.Read, Int -> DescribeFileSystemPolicy -> ShowS
[DescribeFileSystemPolicy] -> ShowS
DescribeFileSystemPolicy -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeFileSystemPolicy] -> ShowS
$cshowList :: [DescribeFileSystemPolicy] -> ShowS
show :: DescribeFileSystemPolicy -> String
$cshow :: DescribeFileSystemPolicy -> String
showsPrec :: Int -> DescribeFileSystemPolicy -> ShowS
$cshowsPrec :: Int -> DescribeFileSystemPolicy -> ShowS
Prelude.Show, forall x.
Rep DescribeFileSystemPolicy x -> DescribeFileSystemPolicy
forall x.
DescribeFileSystemPolicy -> Rep DescribeFileSystemPolicy x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DescribeFileSystemPolicy x -> DescribeFileSystemPolicy
$cfrom :: forall x.
DescribeFileSystemPolicy -> Rep DescribeFileSystemPolicy x
Prelude.Generic)

-- |
-- Create a value of 'DescribeFileSystemPolicy' 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:
--
-- 'fileSystemId', 'describeFileSystemPolicy_fileSystemId' - Specifies which EFS file system to retrieve the @FileSystemPolicy@ for.
newDescribeFileSystemPolicy ::
  -- | 'fileSystemId'
  Prelude.Text ->
  DescribeFileSystemPolicy
newDescribeFileSystemPolicy :: Text -> DescribeFileSystemPolicy
newDescribeFileSystemPolicy Text
pFileSystemId_ =
  DescribeFileSystemPolicy'
    { $sel:fileSystemId:DescribeFileSystemPolicy' :: Text
fileSystemId =
        Text
pFileSystemId_
    }

-- | Specifies which EFS file system to retrieve the @FileSystemPolicy@ for.
describeFileSystemPolicy_fileSystemId :: Lens.Lens' DescribeFileSystemPolicy Prelude.Text
describeFileSystemPolicy_fileSystemId :: Lens' DescribeFileSystemPolicy Text
describeFileSystemPolicy_fileSystemId = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeFileSystemPolicy' {Text
fileSystemId :: Text
$sel:fileSystemId:DescribeFileSystemPolicy' :: DescribeFileSystemPolicy -> Text
fileSystemId} -> Text
fileSystemId) (\s :: DescribeFileSystemPolicy
s@DescribeFileSystemPolicy' {} Text
a -> DescribeFileSystemPolicy
s {$sel:fileSystemId:DescribeFileSystemPolicy' :: Text
fileSystemId = Text
a} :: DescribeFileSystemPolicy)

instance Core.AWSRequest DescribeFileSystemPolicy where
  type
    AWSResponse DescribeFileSystemPolicy =
      FileSystemPolicyDescription
  request :: (Service -> Service)
-> DescribeFileSystemPolicy -> Request DescribeFileSystemPolicy
request Service -> Service
overrides =
    forall a. ToRequest a => Service -> a -> Request a
Request.get (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy DescribeFileSystemPolicy
-> ClientResponse ClientBody
-> m (Either
        Error (ClientResponse (AWSResponse DescribeFileSystemPolicy)))
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 -> forall a. FromJSON a => Object -> Either String a
Data.eitherParseJSON Object
x)

instance Prelude.Hashable DescribeFileSystemPolicy where
  hashWithSalt :: Int -> DescribeFileSystemPolicy -> Int
hashWithSalt Int
_salt DescribeFileSystemPolicy' {Text
fileSystemId :: Text
$sel:fileSystemId:DescribeFileSystemPolicy' :: DescribeFileSystemPolicy -> Text
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Text
fileSystemId

instance Prelude.NFData DescribeFileSystemPolicy where
  rnf :: DescribeFileSystemPolicy -> ()
rnf DescribeFileSystemPolicy' {Text
fileSystemId :: Text
$sel:fileSystemId:DescribeFileSystemPolicy' :: DescribeFileSystemPolicy -> Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Text
fileSystemId

instance Data.ToHeaders DescribeFileSystemPolicy where
  toHeaders :: DescribeFileSystemPolicy -> ResponseHeaders
toHeaders = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

instance Data.ToPath DescribeFileSystemPolicy where
  toPath :: DescribeFileSystemPolicy -> ByteString
toPath DescribeFileSystemPolicy' {Text
fileSystemId :: Text
$sel:fileSystemId:DescribeFileSystemPolicy' :: DescribeFileSystemPolicy -> Text
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ ByteString
"/2015-02-01/file-systems/",
        forall a. ToByteString a => a -> ByteString
Data.toBS Text
fileSystemId,
        ByteString
"/policy"
      ]

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