| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.component.aws.ecs; |
| |
| import com.amazonaws.AmazonServiceException; |
| import com.amazonaws.services.ecs.AmazonECS; |
| import com.amazonaws.services.ecs.model.CreateClusterRequest; |
| import com.amazonaws.services.ecs.model.CreateClusterResult; |
| import com.amazonaws.services.ecs.model.DeleteClusterRequest; |
| import com.amazonaws.services.ecs.model.DeleteClusterResult; |
| import com.amazonaws.services.ecs.model.DescribeClustersRequest; |
| import com.amazonaws.services.ecs.model.DescribeClustersResult; |
| import com.amazonaws.services.ecs.model.ListClustersRequest; |
| import com.amazonaws.services.ecs.model.ListClustersResult; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.support.DefaultProducer; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.camel.util.URISupport; |
| |
| /** |
| * A Producer which sends messages to the Amazon ECS Service |
| * <a href="http://aws.amazon.com/ecs/">AWS ECS</a> |
| */ |
| public class ECSProducer extends DefaultProducer { |
| |
| private transient String ecsProducerToString; |
| |
| public ECSProducer(Endpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| switch (determineOperation(exchange)) { |
| case listClusters: |
| listClusters(getEndpoint().getEcsClient(), exchange); |
| break; |
| case describeCluster: |
| describeCluster(getEndpoint().getEcsClient(), exchange); |
| break; |
| case createCluster: |
| createCluster(getEndpoint().getEcsClient(), exchange); |
| break; |
| case deleteCluster: |
| deleteCluster(getEndpoint().getEcsClient(), exchange); |
| break; |
| default: |
| throw new IllegalArgumentException("Unsupported operation"); |
| } |
| } |
| |
| private ECSOperations determineOperation(Exchange exchange) { |
| ECSOperations operation = exchange.getIn().getHeader(ECSConstants.OPERATION, ECSOperations.class); |
| if (operation == null) { |
| operation = getConfiguration().getOperation(); |
| } |
| return operation; |
| } |
| |
| protected ECSConfiguration getConfiguration() { |
| return getEndpoint().getConfiguration(); |
| } |
| |
| @Override |
| public String toString() { |
| if (ecsProducerToString == null) { |
| ecsProducerToString = "ECSProducer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]"; |
| } |
| return ecsProducerToString; |
| } |
| |
| @Override |
| public ECSEndpoint getEndpoint() { |
| return (ECSEndpoint)super.getEndpoint(); |
| } |
| |
| private void listClusters(AmazonECS ecsClient, Exchange exchange) { |
| ListClustersRequest request = new ListClustersRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(ECSConstants.MAX_RESULTS))) { |
| int maxRes = exchange.getIn().getHeader(ECSConstants.MAX_RESULTS, Integer.class); |
| request.withMaxResults(maxRes); |
| } |
| ListClustersResult result; |
| try { |
| result = ecsClient.listClusters(); |
| } catch (AmazonServiceException ase) { |
| log.trace("List Clusters command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void createCluster(AmazonECS ecsClient, Exchange exchange) { |
| CreateClusterRequest request = new CreateClusterRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME))) { |
| String name = exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME, String.class); |
| request.withClusterName(name); |
| } |
| CreateClusterResult result; |
| try { |
| result = ecsClient.createCluster(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Create Cluster command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void describeCluster(AmazonECS ecsClient, Exchange exchange) { |
| DescribeClustersRequest request = new DescribeClustersRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME))) { |
| String clusterName = exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME, String.class); |
| request.withClusters(clusterName); |
| } |
| DescribeClustersResult result; |
| try { |
| result = ecsClient.describeClusters(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Describe Clusters command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void deleteCluster(AmazonECS ecsClient, Exchange exchange) { |
| DeleteClusterRequest request = new DeleteClusterRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME))) { |
| String name = exchange.getIn().getHeader(ECSConstants.CLUSTER_NAME, String.class); |
| request.withCluster(name); |
| } else { |
| throw new IllegalArgumentException("Cluster name must be specified"); |
| } |
| DeleteClusterResult result; |
| try { |
| result = ecsClient.deleteCluster(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Delete Cluster command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| public static Message getMessageForResponse(final Exchange exchange) { |
| if (exchange.getPattern().isOutCapable()) { |
| Message out = exchange.getOut(); |
| out.copyFrom(exchange.getIn()); |
| return out; |
| } |
| return exchange.getIn(); |
| } |
| } |