ProjectCleaner.java

/*
 * Copyright (c) 2016 ingenieux Labs
 *
 * 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 br.com.ingenieux.beanstalker.it;

import com.google.common.base.Predicate;
import com.google.inject.Guice;

import com.amazonaws.services.elasticbeanstalk.AWSElasticBeanstalk;
import com.amazonaws.services.elasticbeanstalk.AWSElasticBeanstalkClient;
import com.amazonaws.services.elasticbeanstalk.model.ApplicationDescription;
import com.amazonaws.services.elasticbeanstalk.model.DeleteApplicationRequest;
import com.amazonaws.services.elasticbeanstalk.model.EnvironmentDescription;

import javax.inject.Inject;

import br.com.ingenieux.beanstalker.it.di.CoreModule;
import br.com.ingenieux.mojo.beanstalk.AbstractBeanstalkMojo;

public class ProjectCleaner {

  @Inject AWSElasticBeanstalk service;
  AbstractBeanstalkMojo nullMojo =
      new AbstractBeanstalkMojo() {
        @Override
        public AWSElasticBeanstalkClient getService() {
          return (AWSElasticBeanstalkClient) ProjectCleaner.getInstance().service;
        }

        @Override
        protected Object executeInternal() throws Exception {
          return null; //To change body of implemented methods use File | Settings | File Templates.
        }
      };
  private Predicate<? super EnvironmentDescription> activeEnvironmentPredicate =
      new Predicate<EnvironmentDescription>() {
        @Override
        public boolean apply(EnvironmentDescription t) {
          return !t.getStatus().equals("Terminated");
        }
      };

  private ProjectCleaner() {
    Guice.createInjector(new CoreModule()).injectMembers(this);
  }

  public static ProjectCleaner getInstance() {
    return SingletonHolder.INSTANCE;
  }

  public static void main(String[] args) throws Exception {
    try {
      getInstance().execute();
    } catch (Exception exc) {
      // meh
    }
  }

  public void info(String mask, Object... args) {
    System.err.println(String.format(mask, args));
  }

  public void execute() throws Exception {
    for (ApplicationDescription appDesc : service.describeApplications().getApplications()) {
      if (!appDesc.getApplicationName().startsWith("mbit-")) {
        info("Ignoring application name %s", appDesc.getApplicationName());

        continue;
      } else {
        info("Browsing environments for app name %s", appDesc.getApplicationName());
      }

      info("Deleting application");

      service.deleteApplication(new DeleteApplicationRequest().withApplicationName(appDesc.getApplicationName()).withTerminateEnvByForce(true));
    }
  }

  public static class SingletonHolder {

    public static final ProjectCleaner INSTANCE = new ProjectCleaner();
  }
}