Merge pull request #35 from jordiclariana/master

Enable the use of environment variables in Application Group Name

Author: surybala

src/main/java/com/amazonaws/codedeploy/AWSCodeDeployPublisher.java

@@ -81,7 +81,7 @@ public class AWSCodeDeployPublisher extends Publisher {
     private final String  s3bucket;
     private final String  s3prefix;
     private final String  applicationName;
-    private final String  deploymentGroupName; // TODO allow for deployment to multiple groups
+    private       String  deploymentGroupName; // TODO allow for deployment to multiple groups
     private final String  deploymentConfig;
     private final Long    pollingTimeoutSec;
     private final Long    pollingFreqSec;
@@ -209,10 +209,13 @@ public boolean perform(AbstractBuild build, Launcher launcher, BuildListener lis
 
         try {
 
+            Map<String, String> envVars = build.getEnvironment(listener);
+            this.deploymentGroupName = Util.replaceMacro(this.deploymentGroupName, envVars);
+
             verifyCodeDeployApplication(aws);
 
             String projectName = build.getProject().getName();
-            RevisionLocation revisionLocation = zipAndUpload(aws, projectName, getSourceDirectory(build.getWorkspace()), build.getEnvironment(listener));
+            RevisionLocation revisionLocation = zipAndUpload(aws, projectName, getSourceDirectory(build.getWorkspace()), envVars);
 
             registerRevision(aws, revisionLocation);
             String deploymentId = createDeployment(aws, revisionLocation);

src/main/resources/com/amazonaws/codedeploy/AWSCodeDeployPublisher/help-applicationName.html

@@ -2,5 +2,6 @@
   The name of the AWS CodeDeploy application you wish to deploy to. This plugin assumes that you've
   already created the application and deployment group. If you haven't already, work through the <a
   href="http://alpha-docs-aws.amazon.com/codedeploy/latest/userguide/how-to-create-application.html">How
-  to create an Application with AWS CodeDeploy</a> documentation.
+  to create an Application with AWS CodeDeploy</a> documentation. You can use environment variables
+  in this field.
 </div>