Add support for environment defined into build of jenkins.

pom.xml.releaseBackup

@@ -0,0 +1,81 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.jenkins-ci.plugins</groupId>
+    <artifactId>plugin</artifactId>
+    <version>2.19</version>
+  </parent>
+
+  <artifactId>codedeploy</artifactId>
+  <version>1.15-SNAPSHOT</version>
+  <packaging>hpi</packaging>
+  <groupId>com.amazonaws</groupId>
+  <name>AWS CodeDeploy Plugin for Jenkins</name>
+  <description>Adds a post-build step to integrate Jenkins with AWS CodeDeploy</description>
+  <url>https://wiki.jenkins-ci.org/display/JENKINS/AWS+Codedeploy+plugin</url>
+
+  <developers>
+    <developer>
+      <id>jmcfar</id>
+      <name>Josh McFarlane</name>
+      <email>jmcfar@amazon.com</email>
+    </developer>
+  </developers>
+
+  <licenses>
+    <license>
+      <name>Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+
+  <scm>
+    <connection>scm:git:ssh://github.com/jenkinsci/aws-codedeploy-plugin.git</connection>
+    <developerConnection>scm:git:ssh://git@github.com/jenkinsci/aws-codedeploy-plugin.git</developerConnection>
+    <url>https://github.com/jenkinsci/aws-codedeploy-plugin</url>
+    <tag>HEAD</tag>
+  </scm>
+
+  <repositories>
+    <repository>
+      <id>repo.jenkins-ci.org</id>
+      <url>http://repo.jenkins-ci.org/public/</url>
+    </repository>
+  </repositories>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <jenkins.version>1.580.3</jenkins.version>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>aws-java-sdk</artifactId>
+      <version>1.11.37</version>
+    </dependency>
+  </dependencies>
+
+  <pluginRepositories>
+    <pluginRepository>
+      <id>repo.jenkins-ci.org</id>
+      <url>http://repo.jenkins-ci.org/public/</url>
+    </pluginRepository>
+  </pluginRepositories>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-release-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <additionalparam>-Xdoclint:none</additionalparam>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

release.properties

@@ -0,0 +1,19 @@
+#release configuration
+#Tue Nov 15 18:25:09 UTC 2016
+project.rel.com.amazonaws\:codedeploy=1.15
+scm.tagNameFormat=@{project.artifactId}-@{project.version}
+scm.tag=codedeploy-1.15
+project.scm.com.amazonaws\:codedeploy.tag=HEAD
+pushChanges=true
+scm.url=scm\:git\:ssh\://git@github.com/jenkinsci/aws-codedeploy-plugin.git
+preparationGoals=clean install
+project.scm.com.amazonaws\:codedeploy.url=https\://github.com/jenkinsci/aws-codedeploy-plugin
+project.dev.com.amazonaws\:codedeploy=1.16-SNAPSHOT
+project.scm.com.amazonaws\:codedeploy.connection=scm\:git\:ssh\://github.com/jenkinsci/aws-codedeploy-plugin.git
+remoteTagging=true
+projectVersionPolicyId=default
+scm.commentPrefix=[maven-release-plugin] 
+project.scm.com.amazonaws\:codedeploy.developerConnection=scm\:git\:ssh\://git@github.com/jenkinsci/aws-codedeploy-plugin.git
+exec.snapshotReleasePluginAllowed=false
+exec.additionalArguments=
+completedPhase=end-release

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

@@ -1,12 +1,12 @@
 /*
  * Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License").
  * You may not use this file except in compliance with the License.
  * A copy of the License is located at
- * 
+ *
  *  http://aws.amazon.com/apache2.0
- * 
+ *
  * or in the "license" file accompanying this file. This file 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
@@ -82,15 +82,15 @@ public AWSClients(String region, AWSCredentials credentials, String proxyHost, i
         codedeploy.setRegion(Region.getRegion(Regions.fromName(this.region)));
         s3.setRegion(Region.getRegion(Regions.fromName(this.region)));
     }
-    
+
     public static AWSClients fromDefaultCredentialChain(String region, String proxyHost, int proxyPort) {
         return new AWSClients(region, null, proxyHost, proxyPort);
     }
-    
+
     public static AWSClients fromIAMRole(String region, String iamRole, String externalId, String proxyHost, int proxyPort) {
         return new AWSClients(region, getCredentials(iamRole, externalId), proxyHost, proxyPort);
     }
-    
+
     public static AWSClients fromBasicCredentials(String region, String awsAccessKey, String awsSecretKey, String proxyHost, int proxyPort) {
         return new AWSClients(region, new BasicAWSCredentials(awsAccessKey, awsSecretKey), proxyHost, proxyPort);
     }

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

@@ -203,12 +203,21 @@ public void perform(@Nonnull Run<?,?> build, @Nonnull FilePath workspace, @Nonnu
                         this.proxyHost,
                         this.proxyPort);
             } else {
-                aws = AWSClients.fromBasicCredentials(
+                if (StringUtils.isEmpty(envVars.get(this.awsAccessKey)) && StringUtils.isEmpty(envVars.get(this.awsSecretKey))) {
+                    aws = AWSClients.fromBasicCredentials(
                         this.region,
                         this.awsAccessKey,
                         Secret.toString(this.awsSecretKey),
                         this.proxyHost,
                         this.proxyPort);
+                } else {
+                    aws = AWSClients.fromBasicCredentials(
+                        this.region,
+                        envVars.get(this.awsAccessKey),
+                        envVars.get(this.awsSecretKey),
+                        this.proxyHost,
+                        this.proxyPort);
+                }
             }
         } else {
             aws = AWSClients.fromIAMRole(

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

@@ -1,6 +1,8 @@
 <div>
   <p>AWS Access and Secret keys to use for this deployment. At minimum the keys must be allowed to execute
-  <code>codedeploy:*</code> and <code>s3:Put*</code>. It's a best practice to have these keys be from an IAM role
+  <code>codedeploy:*</code> and <code>s3:Put*</code>. 
+  You can also use environment variables defined in jenkins's build for this fields.
+  It's a best practice to have these keys be from an IAM role
   with limited scope.</p>
 
   <p>

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

@@ -1,6 +1,8 @@
 <div>
   <p>AWS Access and Secret keys to use for this deployment. At minimum the keys must be allowed to execute
-  <code>codedeploy:*</code> and <code>s3:Put*</code>. It's a best practice to have these keys be from an IAM role
+  <code>codedeploy:*</code> and <code>s3:Put*</code>. 
+  You can also use environment variables defined in jenkins's build for this fields.
+  It's a best practice to have these keys be from an IAM role
   with limited scope.</p>
 
   <p>