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1   /**
2    * Copyright (c) 2012-2014, jcabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.beanstalk.maven.plugin;
31  
32  import com.jcabi.aspects.Loggable;
33  import com.jcabi.log.Logger;
34  import javax.validation.constraints.NotNull;
35  import org.jfrog.maven.annomojo.annotations.MojoGoal;
36  import org.jfrog.maven.annomojo.annotations.MojoPhase;
37  
38  /**
39   * Deploys WAR artifact to AWS Elastic Beanstalk.
40   *
41   * @author Yegor Bugayenko (yegor@tpc2.com)
42   * @version $Id$
43   * @since 0.3
44   */
45  @MojoGoal("deploy")
46  @MojoPhase("deploy")
47  @Loggable(Loggable.INFO)
48  public final class DeployMojo extends AbstractBeanstalkMojo {
49  
50      /**
51       * {@inheritDoc}
52       */
53      @Override
54      public void exec(@NotNull final Application app,
55          @NotNull final Version version, @NotNull final String template) {
56          try {
57              this.deploy(app, version, template);
58          } catch (final DeploymentException ex) {
59              app.clean(false);
60              throw ex;
61          }
62      }
63  
64      /**
65       * Deploy using this EBT client.
66       * @param app The application to deploy to
67       * @param version Version to deploy
68       * @param template Template to use
69       */
70      private void deploy(final Application app, final Version version,
71          final String template) {
72          app.clean(false);
73          final Environment candidate = app.candidate(version, template);
74          if (this.isGreen(candidate)) {
75              if (candidate.primary()) {
76                  Logger.info(
77                      this,
78                      "Candidate env '%s' is already primary, no need to swap",
79                      candidate
80                  );
81              } else {
82                  Logger.info(
83                      this,
84                      "Candidate env '%s' is not primary, let's swap",
85                      candidate
86                  );
87                  app.swap(candidate);
88              }
89          } else {
90              this.postMortem(candidate);
91              throw new DeploymentException(
92                  String.format(
93                      "failed to deploy, since %s never got GREEN", candidate
94                  )
95              );
96          }
97      }
98  
99  }