{-# 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.ECS.DescribeContainerInstances
-- 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 one or more container instances. Returns metadata about each
-- container instance requested.
module Amazonka.ECS.DescribeContainerInstances
  ( -- * Creating a Request
    DescribeContainerInstances (..),
    newDescribeContainerInstances,

    -- * Request Lenses
    describeContainerInstances_cluster,
    describeContainerInstances_include,
    describeContainerInstances_containerInstances,

    -- * Destructuring the Response
    DescribeContainerInstancesResponse (..),
    newDescribeContainerInstancesResponse,

    -- * Response Lenses
    describeContainerInstancesResponse_containerInstances,
    describeContainerInstancesResponse_failures,
    describeContainerInstancesResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeContainerInstances' smart constructor.
data DescribeContainerInstances = DescribeContainerInstances'
  { -- | The short name or full Amazon Resource Name (ARN) of the cluster that
    -- hosts the container instances to describe. If you do not specify a
    -- cluster, the default cluster is assumed. This parameter is required if
    -- the container instance or container instances you are describing were
    -- launched in any cluster other than the default cluster.
    cluster :: Prelude.Maybe Prelude.Text,
    -- | Specifies whether you want to see the resource tags for the container
    -- instance. If @TAGS@ is specified, the tags are included in the response.
    -- If @CONTAINER_INSTANCE_HEALTH@ is specified, the container instance
    -- health is included in the response. If this field is omitted, tags and
    -- container instance health status aren\'t included in the response.
    include :: Prelude.Maybe [ContainerInstanceField],
    -- | A list of up to 100 container instance IDs or full Amazon Resource Name
    -- (ARN) entries.
    containerInstances :: [Prelude.Text]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeContainerInstances' 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:
--
-- 'cluster', 'describeContainerInstances_cluster' - The short name or full Amazon Resource Name (ARN) of the cluster that
-- hosts the container instances to describe. If you do not specify a
-- cluster, the default cluster is assumed. This parameter is required if
-- the container instance or container instances you are describing were
-- launched in any cluster other than the default cluster.
--
-- 'include', 'describeContainerInstances_include' - Specifies whether you want to see the resource tags for the container
-- instance. If @TAGS@ is specified, the tags are included in the response.
-- If @CONTAINER_INSTANCE_HEALTH@ is specified, the container instance
-- health is included in the response. If this field is omitted, tags and
-- container instance health status aren\'t included in the response.
--
-- 'containerInstances', 'describeContainerInstances_containerInstances' - A list of up to 100 container instance IDs or full Amazon Resource Name
-- (ARN) entries.
newDescribeContainerInstances ::
  DescribeContainerInstances
newDescribeContainerInstances =
  DescribeContainerInstances'
    { cluster =
        Prelude.Nothing,
      include = Prelude.Nothing,
      containerInstances = Prelude.mempty
    }

-- | The short name or full Amazon Resource Name (ARN) of the cluster that
-- hosts the container instances to describe. If you do not specify a
-- cluster, the default cluster is assumed. This parameter is required if
-- the container instance or container instances you are describing were
-- launched in any cluster other than the default cluster.
describeContainerInstances_cluster :: Lens.Lens' DescribeContainerInstances (Prelude.Maybe Prelude.Text)
describeContainerInstances_cluster = Lens.lens (\DescribeContainerInstances' {cluster} -> cluster) (\s@DescribeContainerInstances' {} a -> s {cluster = a} :: DescribeContainerInstances)

-- | Specifies whether you want to see the resource tags for the container
-- instance. If @TAGS@ is specified, the tags are included in the response.
-- If @CONTAINER_INSTANCE_HEALTH@ is specified, the container instance
-- health is included in the response. If this field is omitted, tags and
-- container instance health status aren\'t included in the response.
describeContainerInstances_include :: Lens.Lens' DescribeContainerInstances (Prelude.Maybe [ContainerInstanceField])
describeContainerInstances_include = Lens.lens (\DescribeContainerInstances' {include} -> include) (\s@DescribeContainerInstances' {} a -> s {include = a} :: DescribeContainerInstances) Prelude.. Lens.mapping Lens.coerced

-- | A list of up to 100 container instance IDs or full Amazon Resource Name
-- (ARN) entries.
describeContainerInstances_containerInstances :: Lens.Lens' DescribeContainerInstances [Prelude.Text]
describeContainerInstances_containerInstances = Lens.lens (\DescribeContainerInstances' {containerInstances} -> containerInstances) (\s@DescribeContainerInstances' {} a -> s {containerInstances = a} :: DescribeContainerInstances) Prelude.. Lens.coerced

instance Core.AWSRequest DescribeContainerInstances where
  type
    AWSResponse DescribeContainerInstances =
      DescribeContainerInstancesResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribeContainerInstancesResponse'
            Prelude.<$> ( x
                            Data..?> "containerInstances"
                            Core..!@ Prelude.mempty
                        )
            Prelude.<*> (x Data..?> "failures" Core..!@ Prelude.mempty)
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeContainerInstances where
  hashWithSalt _salt DescribeContainerInstances' {..} =
    _salt
      `Prelude.hashWithSalt` cluster
      `Prelude.hashWithSalt` include
      `Prelude.hashWithSalt` containerInstances

instance Prelude.NFData DescribeContainerInstances where
  rnf DescribeContainerInstances' {..} =
    Prelude.rnf cluster
      `Prelude.seq` Prelude.rnf include
      `Prelude.seq` Prelude.rnf containerInstances

instance Data.ToHeaders DescribeContainerInstances where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AmazonEC2ContainerServiceV20141113.DescribeContainerInstances" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeContainerInstances where
  toJSON DescribeContainerInstances' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("cluster" Data..=) Prelude.<$> cluster,
            ("include" Data..=) Prelude.<$> include,
            Prelude.Just
              ("containerInstances" Data..= containerInstances)
          ]
      )

instance Data.ToPath DescribeContainerInstances where
  toPath = Prelude.const "/"

instance Data.ToQuery DescribeContainerInstances where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newDescribeContainerInstancesResponse' smart constructor.
data DescribeContainerInstancesResponse = DescribeContainerInstancesResponse'
  { -- | The list of container instances.
    containerInstances :: Prelude.Maybe [ContainerInstance],
    -- | Any failures associated with the call.
    failures :: Prelude.Maybe [Failure],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeContainerInstancesResponse' 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:
--
-- 'containerInstances', 'describeContainerInstancesResponse_containerInstances' - The list of container instances.
--
-- 'failures', 'describeContainerInstancesResponse_failures' - Any failures associated with the call.
--
-- 'httpStatus', 'describeContainerInstancesResponse_httpStatus' - The response's http status code.
newDescribeContainerInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeContainerInstancesResponse
newDescribeContainerInstancesResponse pHttpStatus_ =
  DescribeContainerInstancesResponse'
    { containerInstances =
        Prelude.Nothing,
      failures = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The list of container instances.
describeContainerInstancesResponse_containerInstances :: Lens.Lens' DescribeContainerInstancesResponse (Prelude.Maybe [ContainerInstance])
describeContainerInstancesResponse_containerInstances = Lens.lens (\DescribeContainerInstancesResponse' {containerInstances} -> containerInstances) (\s@DescribeContainerInstancesResponse' {} a -> s {containerInstances = a} :: DescribeContainerInstancesResponse) Prelude.. Lens.mapping Lens.coerced

-- | Any failures associated with the call.
describeContainerInstancesResponse_failures :: Lens.Lens' DescribeContainerInstancesResponse (Prelude.Maybe [Failure])
describeContainerInstancesResponse_failures = Lens.lens (\DescribeContainerInstancesResponse' {failures} -> failures) (\s@DescribeContainerInstancesResponse' {} a -> s {failures = a} :: DescribeContainerInstancesResponse) Prelude.. Lens.mapping Lens.coerced

-- | The response's http status code.
describeContainerInstancesResponse_httpStatus :: Lens.Lens' DescribeContainerInstancesResponse Prelude.Int
describeContainerInstancesResponse_httpStatus = Lens.lens (\DescribeContainerInstancesResponse' {httpStatus} -> httpStatus) (\s@DescribeContainerInstancesResponse' {} a -> s {httpStatus = a} :: DescribeContainerInstancesResponse)

instance
  Prelude.NFData
    DescribeContainerInstancesResponse
  where
  rnf DescribeContainerInstancesResponse' {..} =
    Prelude.rnf containerInstances
      `Prelude.seq` Prelude.rnf failures
      `Prelude.seq` Prelude.rnf httpStatus