/* * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package software.amazon.cloudformation.stackinstances; import software.amazon.awssdk.services.cloudformation.CloudFormationClient; import software.amazon.cloudformation.proxy.*; import software.amazon.cloudformation.stackinstances.util.InstancesAnalyzer; import software.amazon.cloudformation.stackinstances.util.StackInstancesPlaceHolder; public class UpdateHandler extends BaseHandlerStd { @Override protected ProgressEvent<ResourceModel, CallbackContext> handleRequest( final AmazonWebServicesClientProxy proxy, final ResourceHandlerRequest<ResourceModel> request, final CallbackContext callbackContext, final ProxyClient<CloudFormationClient> proxyClient, final Logger logger) { final ResourceModel model = request.getDesiredResourceState(); final ResourceModel previousModel = request.getPreviousResourceState(); final StackInstancesPlaceHolder placeHolder = new StackInstancesPlaceHolder(); InstancesAnalyzer.builder().desiredModel(model).previousModel(previousModel).build().analyzeForUpdate(placeHolder); return ProgressEvent.progress(model, callbackContext) .then(progress -> placeHolder.getDeleteStackInstances().size() > 0 ? deleteStackInstances(proxy, proxyClient, progress, placeHolder.getDeleteStackInstances(), logger) : ProgressEvent.defaultInProgressHandler(progress.getCallbackContext(), 0, progress.getResourceModel()) ) .then(progress -> placeHolder.getCreateStackInstances().size() > 0 ? createStackInstances(proxy, proxyClient, progress, placeHolder.getCreateStackInstances(), logger) : ProgressEvent.defaultInProgressHandler(progress.getCallbackContext(), 0, progress.getResourceModel()) ) .then(progress -> placeHolder.getUpdateStackInstances().size() > 0 ? updateStackInstances(proxy, proxyClient, progress, placeHolder.getUpdateStackInstances(), logger) : ProgressEvent.defaultInProgressHandler(progress.getCallbackContext(), 0, progress.getResourceModel()) ) .then(progress -> ProgressEvent.defaultSuccessHandler(model)); } }