GetAlias.hs

{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric      #-}
{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE RecordWildCards    #-}
{-# LANGUAGE TypeFamilies       #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-binds   #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Network.AWS.Lambda.GetAlias
-- Copyright   : (c) 2013-2016 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns the specified alias information such as the alias ARN,
-- description, and function version it is pointing to. For more
-- information, see
-- <http://docs.aws.amazon.com/lambda/latest/dg/aliases-intro.html Introduction to AWS Lambda Aliases>.
--
-- This requires permission for the 'lambda:GetAlias' action.
module Network.AWS.Lambda.GetAlias
    (
    -- * Creating a Request
      getAlias
    , GetAlias
    -- * Request Lenses
    , gaFunctionName
    , gaName

    -- * Destructuring the Response
    , aliasConfiguration
    , AliasConfiguration
    -- * Response Lenses
    , acName
    , acFunctionVersion
    , acAliasARN
    , acDescription
    ) where

import           Network.AWS.Lambda.Types
import           Network.AWS.Lambda.Types.Product
import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | /See:/ 'getAlias' smart constructor.
data GetAlias = GetAlias'
    { _gaFunctionName :: !Text
    , _gaName         :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'GetAlias' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'gaFunctionName'
--
-- * 'gaName'
getAlias
    :: Text -- ^ 'gaFunctionName'
    -> Text -- ^ 'gaName'
    -> GetAlias
getAlias pFunctionName_ pName_ =
    GetAlias'
    { _gaFunctionName = pFunctionName_
    , _gaName = pName_
    }

-- | Function name for which the alias is created. An alias is a subresource
-- that exists only in the context of an existing Lambda function so you
-- must specify the function name.
gaFunctionName :: Lens' GetAlias Text
gaFunctionName = lens _gaFunctionName (\ s a -> s{_gaFunctionName = a});

-- | Name of the alias for which you want to retrieve information.
gaName :: Lens' GetAlias Text
gaName = lens _gaName (\ s a -> s{_gaName = a});

instance AWSRequest GetAlias where
        type Rs GetAlias = AliasConfiguration
        request = get lambda
        response = receiveJSON (\ s h x -> eitherParseJSON x)

instance Hashable GetAlias

instance ToHeaders GetAlias where
        toHeaders = const mempty

instance ToPath GetAlias where
        toPath GetAlias'{..}
          = mconcat
              ["/2015-03-31/functions/", toBS _gaFunctionName,
               "/aliases/", toBS _gaName]

instance ToQuery GetAlias where
        toQuery = const mempty