{-# 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.EMR.PutAutoScalingPolicy
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Creates or updates an automatic scaling policy for a core instance group
-- or task instance group in an Amazon EMR cluster. The automatic scaling
-- policy defines how an instance group dynamically adds and terminates EC2
-- instances in response to the value of a CloudWatch metric.
module Amazonka.EMR.PutAutoScalingPolicy
  ( -- * Creating a Request
    PutAutoScalingPolicy (..),
    newPutAutoScalingPolicy,

    -- * Request Lenses
    putAutoScalingPolicy_clusterId,
    putAutoScalingPolicy_instanceGroupId,
    putAutoScalingPolicy_autoScalingPolicy,

    -- * Destructuring the Response
    PutAutoScalingPolicyResponse (..),
    newPutAutoScalingPolicyResponse,

    -- * Response Lenses
    putAutoScalingPolicyResponse_autoScalingPolicy,
    putAutoScalingPolicyResponse_clusterArn,
    putAutoScalingPolicyResponse_clusterId,
    putAutoScalingPolicyResponse_instanceGroupId,
    putAutoScalingPolicyResponse_httpStatus,
  )
where

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

-- | /See:/ 'newPutAutoScalingPolicy' smart constructor.
data PutAutoScalingPolicy = PutAutoScalingPolicy'
  { -- | Specifies the ID of a cluster. The instance group to which the automatic
    -- scaling policy is applied is within this cluster.
    clusterId :: Prelude.Text,
    -- | Specifies the ID of the instance group to which the automatic scaling
    -- policy is applied.
    instanceGroupId :: Prelude.Text,
    -- | Specifies the definition of the automatic scaling policy.
    autoScalingPolicy :: AutoScalingPolicy
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'PutAutoScalingPolicy' 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:
--
-- 'clusterId', 'putAutoScalingPolicy_clusterId' - Specifies the ID of a cluster. The instance group to which the automatic
-- scaling policy is applied is within this cluster.
--
-- 'instanceGroupId', 'putAutoScalingPolicy_instanceGroupId' - Specifies the ID of the instance group to which the automatic scaling
-- policy is applied.
--
-- 'autoScalingPolicy', 'putAutoScalingPolicy_autoScalingPolicy' - Specifies the definition of the automatic scaling policy.
newPutAutoScalingPolicy ::
  -- | 'clusterId'
  Prelude.Text ->
  -- | 'instanceGroupId'
  Prelude.Text ->
  -- | 'autoScalingPolicy'
  AutoScalingPolicy ->
  PutAutoScalingPolicy
newPutAutoScalingPolicy
  pClusterId_
  pInstanceGroupId_
  pAutoScalingPolicy_ =
    PutAutoScalingPolicy'
      { clusterId = pClusterId_,
        instanceGroupId = pInstanceGroupId_,
        autoScalingPolicy = pAutoScalingPolicy_
      }

-- | Specifies the ID of a cluster. The instance group to which the automatic
-- scaling policy is applied is within this cluster.
putAutoScalingPolicy_clusterId :: Lens.Lens' PutAutoScalingPolicy Prelude.Text
putAutoScalingPolicy_clusterId = Lens.lens (\PutAutoScalingPolicy' {clusterId} -> clusterId) (\s@PutAutoScalingPolicy' {} a -> s {clusterId = a} :: PutAutoScalingPolicy)

-- | Specifies the ID of the instance group to which the automatic scaling
-- policy is applied.
putAutoScalingPolicy_instanceGroupId :: Lens.Lens' PutAutoScalingPolicy Prelude.Text
putAutoScalingPolicy_instanceGroupId = Lens.lens (\PutAutoScalingPolicy' {instanceGroupId} -> instanceGroupId) (\s@PutAutoScalingPolicy' {} a -> s {instanceGroupId = a} :: PutAutoScalingPolicy)

-- | Specifies the definition of the automatic scaling policy.
putAutoScalingPolicy_autoScalingPolicy :: Lens.Lens' PutAutoScalingPolicy AutoScalingPolicy
putAutoScalingPolicy_autoScalingPolicy = Lens.lens (\PutAutoScalingPolicy' {autoScalingPolicy} -> autoScalingPolicy) (\s@PutAutoScalingPolicy' {} a -> s {autoScalingPolicy = a} :: PutAutoScalingPolicy)

instance Core.AWSRequest PutAutoScalingPolicy where
  type
    AWSResponse PutAutoScalingPolicy =
      PutAutoScalingPolicyResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          PutAutoScalingPolicyResponse'
            Prelude.<$> (x Data..?> "AutoScalingPolicy")
            Prelude.<*> (x Data..?> "ClusterArn")
            Prelude.<*> (x Data..?> "ClusterId")
            Prelude.<*> (x Data..?> "InstanceGroupId")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable PutAutoScalingPolicy where
  hashWithSalt _salt PutAutoScalingPolicy' {..} =
    _salt
      `Prelude.hashWithSalt` clusterId
      `Prelude.hashWithSalt` instanceGroupId
      `Prelude.hashWithSalt` autoScalingPolicy

instance Prelude.NFData PutAutoScalingPolicy where
  rnf PutAutoScalingPolicy' {..} =
    Prelude.rnf clusterId
      `Prelude.seq` Prelude.rnf instanceGroupId
      `Prelude.seq` Prelude.rnf autoScalingPolicy

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

instance Data.ToJSON PutAutoScalingPolicy where
  toJSON PutAutoScalingPolicy' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just ("ClusterId" Data..= clusterId),
            Prelude.Just
              ("InstanceGroupId" Data..= instanceGroupId),
            Prelude.Just
              ("AutoScalingPolicy" Data..= autoScalingPolicy)
          ]
      )

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

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

-- | /See:/ 'newPutAutoScalingPolicyResponse' smart constructor.
data PutAutoScalingPolicyResponse = PutAutoScalingPolicyResponse'
  { -- | The automatic scaling policy definition.
    autoScalingPolicy :: Prelude.Maybe AutoScalingPolicyDescription,
    -- | The Amazon Resource Name (ARN) of the cluster.
    clusterArn :: Prelude.Maybe Prelude.Text,
    -- | Specifies the ID of a cluster. The instance group to which the automatic
    -- scaling policy is applied is within this cluster.
    clusterId :: Prelude.Maybe Prelude.Text,
    -- | Specifies the ID of the instance group to which the scaling policy is
    -- applied.
    instanceGroupId :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'PutAutoScalingPolicyResponse' 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:
--
-- 'autoScalingPolicy', 'putAutoScalingPolicyResponse_autoScalingPolicy' - The automatic scaling policy definition.
--
-- 'clusterArn', 'putAutoScalingPolicyResponse_clusterArn' - The Amazon Resource Name (ARN) of the cluster.
--
-- 'clusterId', 'putAutoScalingPolicyResponse_clusterId' - Specifies the ID of a cluster. The instance group to which the automatic
-- scaling policy is applied is within this cluster.
--
-- 'instanceGroupId', 'putAutoScalingPolicyResponse_instanceGroupId' - Specifies the ID of the instance group to which the scaling policy is
-- applied.
--
-- 'httpStatus', 'putAutoScalingPolicyResponse_httpStatus' - The response's http status code.
newPutAutoScalingPolicyResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  PutAutoScalingPolicyResponse
newPutAutoScalingPolicyResponse pHttpStatus_ =
  PutAutoScalingPolicyResponse'
    { autoScalingPolicy =
        Prelude.Nothing,
      clusterArn = Prelude.Nothing,
      clusterId = Prelude.Nothing,
      instanceGroupId = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The automatic scaling policy definition.
putAutoScalingPolicyResponse_autoScalingPolicy :: Lens.Lens' PutAutoScalingPolicyResponse (Prelude.Maybe AutoScalingPolicyDescription)
putAutoScalingPolicyResponse_autoScalingPolicy = Lens.lens (\PutAutoScalingPolicyResponse' {autoScalingPolicy} -> autoScalingPolicy) (\s@PutAutoScalingPolicyResponse' {} a -> s {autoScalingPolicy = a} :: PutAutoScalingPolicyResponse)

-- | The Amazon Resource Name (ARN) of the cluster.
putAutoScalingPolicyResponse_clusterArn :: Lens.Lens' PutAutoScalingPolicyResponse (Prelude.Maybe Prelude.Text)
putAutoScalingPolicyResponse_clusterArn = Lens.lens (\PutAutoScalingPolicyResponse' {clusterArn} -> clusterArn) (\s@PutAutoScalingPolicyResponse' {} a -> s {clusterArn = a} :: PutAutoScalingPolicyResponse)

-- | Specifies the ID of a cluster. The instance group to which the automatic
-- scaling policy is applied is within this cluster.
putAutoScalingPolicyResponse_clusterId :: Lens.Lens' PutAutoScalingPolicyResponse (Prelude.Maybe Prelude.Text)
putAutoScalingPolicyResponse_clusterId = Lens.lens (\PutAutoScalingPolicyResponse' {clusterId} -> clusterId) (\s@PutAutoScalingPolicyResponse' {} a -> s {clusterId = a} :: PutAutoScalingPolicyResponse)

-- | Specifies the ID of the instance group to which the scaling policy is
-- applied.
putAutoScalingPolicyResponse_instanceGroupId :: Lens.Lens' PutAutoScalingPolicyResponse (Prelude.Maybe Prelude.Text)
putAutoScalingPolicyResponse_instanceGroupId = Lens.lens (\PutAutoScalingPolicyResponse' {instanceGroupId} -> instanceGroupId) (\s@PutAutoScalingPolicyResponse' {} a -> s {instanceGroupId = a} :: PutAutoScalingPolicyResponse)

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

instance Prelude.NFData PutAutoScalingPolicyResponse where
  rnf PutAutoScalingPolicyResponse' {..} =
    Prelude.rnf autoScalingPolicy
      `Prelude.seq` Prelude.rnf clusterArn
      `Prelude.seq` Prelude.rnf clusterId
      `Prelude.seq` Prelude.rnf instanceGroupId
      `Prelude.seq` Prelude.rnf httpStatus