DescribeStackSummary.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.OpsWorks.DescribeStackSummary
-- Copyright   : (c) 2013-2018 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes the number of layers and apps in a specified stack, and the number of instances in each state, such as @running_setup@ or @online@ .
--
--
-- __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 on user permissions, see <http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html Managing User Permissions> .
--
module Network.AWS.OpsWorks.DescribeStackSummary
    (
    -- * Creating a Request
      describeStackSummary
    , DescribeStackSummary
    -- * Request Lenses
    , dssStackId

    -- * Destructuring the Response
    , describeStackSummaryResponse
    , DescribeStackSummaryResponse
    -- * Response Lenses
    , dssrsStackSummary
    , dssrsResponseStatus
    ) where

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

-- | /See:/ 'describeStackSummary' smart constructor.
newtype DescribeStackSummary = DescribeStackSummary'
  { _dssStackId :: Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'DescribeStackSummary' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dssStackId' - The stack ID.
describeStackSummary
    :: Text -- ^ 'dssStackId'
    -> DescribeStackSummary
describeStackSummary pStackId_ = DescribeStackSummary' {_dssStackId = pStackId_}


-- | The stack ID.
dssStackId :: Lens' DescribeStackSummary Text
dssStackId = lens _dssStackId (\ s a -> s{_dssStackId = a})

instance AWSRequest DescribeStackSummary where
        type Rs DescribeStackSummary =
             DescribeStackSummaryResponse
        request = postJSON opsWorks
        response
          = receiveJSON
              (\ s h x ->
                 DescribeStackSummaryResponse' <$>
                   (x .?> "StackSummary") <*> (pure (fromEnum s)))

instance Hashable DescribeStackSummary where

instance NFData DescribeStackSummary where

instance ToHeaders DescribeStackSummary where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("OpsWorks_20130218.DescribeStackSummary" ::
                       ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON DescribeStackSummary where
        toJSON DescribeStackSummary'{..}
          = object
              (catMaybes [Just ("StackId" .= _dssStackId)])

instance ToPath DescribeStackSummary where
        toPath = const "/"

instance ToQuery DescribeStackSummary where
        toQuery = const mempty

-- | Contains the response to a @DescribeStackSummary@ request.
--
--
--
-- /See:/ 'describeStackSummaryResponse' smart constructor.
data DescribeStackSummaryResponse = DescribeStackSummaryResponse'
  { _dssrsStackSummary   :: !(Maybe StackSummary)
  , _dssrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'DescribeStackSummaryResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dssrsStackSummary' - A @StackSummary@ object that contains the results.
--
-- * 'dssrsResponseStatus' - -- | The response status code.
describeStackSummaryResponse
    :: Int -- ^ 'dssrsResponseStatus'
    -> DescribeStackSummaryResponse
describeStackSummaryResponse pResponseStatus_ =
  DescribeStackSummaryResponse'
    {_dssrsStackSummary = Nothing, _dssrsResponseStatus = pResponseStatus_}


-- | A @StackSummary@ object that contains the results.
dssrsStackSummary :: Lens' DescribeStackSummaryResponse (Maybe StackSummary)
dssrsStackSummary = lens _dssrsStackSummary (\ s a -> s{_dssrsStackSummary = a})

-- | -- | The response status code.
dssrsResponseStatus :: Lens' DescribeStackSummaryResponse Int
dssrsResponseStatus = lens _dssrsResponseStatus (\ s a -> s{_dssrsResponseStatus = a})

instance NFData DescribeStackSummaryResponse where