Java tutorial
package io.konig.maven; /* * #%L * Konig AWS Deployment Maven Plugin * %% * Copyright (C) 2015 - 2018 Gregory McFall * %% * 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. * #L% */ import java.io.File; import java.util.HashMap; import java.util.Map; import org.codehaus.plexus.util.StringUtils; import com.amazonaws.auth.policy.Policy; import com.amazonaws.auth.policy.Principal; import com.amazonaws.auth.policy.Resource; import com.amazonaws.auth.policy.Statement; import com.amazonaws.auth.policy.Statement.Effect; import com.amazonaws.auth.policy.actions.SNSActions; import com.amazonaws.auth.policy.actions.SQSActions; import com.amazonaws.auth.policy.conditions.ArnCondition; import com.amazonaws.auth.policy.conditions.ConditionFactory; import com.amazonaws.auth.policy.conditions.ArnCondition.ArnComparisonType; import com.amazonaws.regions.Regions; import com.amazonaws.services.sns.AmazonSNS; import com.amazonaws.services.sns.AmazonSNSClientBuilder; import com.amazonaws.services.sns.model.CreateTopicResult; import com.amazonaws.services.sns.model.SetTopicAttributesRequest; import com.amazonaws.services.sns.util.Topics; import com.amazonaws.services.sqs.AmazonSQS; import com.amazonaws.services.sqs.AmazonSQSClientBuilder; import com.amazonaws.services.sqs.model.CreateQueueResult; import com.amazonaws.services.sqs.model.QueueAttributeName; import com.amazonaws.services.sqs.model.SetQueueAttributesRequest; import com.fasterxml.jackson.databind.ObjectMapper; import io.konig.aws.datasource.Queue; import io.konig.aws.datasource.QueueConfiguration; import io.konig.aws.datasource.S3Bucket; public class CreateAwsSqsQueueAction { private AwsDeployment deployment; public CreateAwsSqsQueueAction(AwsDeployment deployment) { this.deployment = deployment; } public AwsDeployment from(String path) throws Exception { String cfTemplatePresent = System.getProperty("cfTemplatePresent"); if (cfTemplatePresent == null || cfTemplatePresent.equals("N")) { try { File file = deployment.file(path); ObjectMapper mapper = new ObjectMapper(); S3Bucket bucket = mapper.readValue(file, S3Bucket.class); deployment.verifyAWSCredentials(); QueueConfiguration queueConfig = bucket.getNotificationConfiguration().getQueueConfiguration(); if (queueConfig != null && queueConfig.getQueue() != null) { String accountId = ""; if (System.getProperty("aws-account-id") != null) { accountId = System.getProperty("aws-account-id"); } Queue queue = queueConfig.getQueue(); Regions regions = Regions.fromName(queue.getRegion()); AmazonSQS sqs = AmazonSQSClientBuilder.standard().withCredentials(deployment.getCredential()) .withRegion(regions).build(); AmazonSNS sns = AmazonSNSClientBuilder.standard().withCredentials(deployment.getCredential()) .withRegion(regions).build(); CreateQueueResult result = sqs.createQueue(queue.getResourceName()); String topicArn = StringUtils.replaceOnce( bucket.getNotificationConfiguration().getTopicConfiguration().getTopicArn(), "${aws-account-id}", accountId); String queueArn = StringUtils.replaceOnce( bucket.getNotificationConfiguration().getQueueConfiguration().getQueueArn(), "${aws-account-id}", accountId); deployment.setResponse("Queue " + queueArn + " is created"); Policy policy = new Policy() .withStatements(new Statement(Effect.Allow).withPrincipals(Principal.AllUsers) .withActions(SQSActions.SendMessage).withResources(new Resource(queueArn)) .withConditions(ConditionFactory.newSourceArnCondition(topicArn))); Map<String, String> queueAttributes = new HashMap<String, String>(); queueAttributes.put(QueueAttributeName.Policy.toString(), policy.toJson()); deployment.setResponse("Queue Policy Configured : " + policy.toJson()); sqs.setQueueAttributes(new SetQueueAttributesRequest(result.getQueueUrl(), queueAttributes)); Topics.subscribeQueue(sns, sqs, topicArn, result.getQueueUrl()); deployment.setResponse( "Subscription is created : Topic [" + topicArn + "], Queue [" + queueArn + "]"); } else { deployment.setResponse("Queue Configuration Failed"); } } catch (Exception e) { throw e; } } else { deployment.setResponse("Queue will be created through cloud formation template"); } return deployment; } }