Enhance plugin to support HTTP Proxy (optional)

.gitignore

@@ -14,3 +14,6 @@
 /releases
 /build
 /lib
+
+# gradle
+gradle/

README.md

@@ -18,6 +18,8 @@ This plugin is protected under the [Eclipse Public 1.0 License](http://www.eclip
 	your own changes to the plugin.
 
 ### History
+    Version 6
+        - Add Proxy properties
     Version 5
         - Change from Ant/Ivy to Gradle build tool.
         - Reorganized folder structure.
@@ -43,15 +45,9 @@ This plugin is protected under the [Eclipse Public 1.0 License](http://www.eclip
     Version 2
         - Community GitHub Release
 
-### How to build the plugin from eclipse client:
-
-1. Expand the Groovy project that you checked-out from example template.
-2. Open build.xml file and execute it as an Ant Build operation (Run As -> Ant Build)
-3. The built plugin is located at releases/Slack-UCD-vdev.zip
-
 ### How to build the plugin from command line:
 
 1. Navigate to the base folder of the project through command line.
-2. Make sure that there is build.xml file there, and then execute 'ant' command.
-3. The built plugin is located at releases/Slack-UCD-vdev.zip
-Note: Edit the Build.xml to change the version 'dev' to a release number.
+2. Make sure that there is `build.gradle` file there, and then execute `./gradlew build -PpluginVersion=<VersionNumber>` command.
+3. The built plugin is located at `build/distributions/Slack-UCD-<VersionNumber>.zip`
+

build.gradle

@@ -177,3 +177,5 @@ String stripVersion(String fileNameWithVersion) {
     int end = fileNameWithVersion.lastIndexOf("-"); //assumes that: name-version.ext. Will not work with name-version-SNAPSHOT.ext
     return fileNameWithVersion.substring(0, end) + ext
 }
+
+build.finalizedBy distPlugin

src/main/zip/info.xml

@@ -151,5 +151,8 @@
           Fix z/OS IBM-1047 encoding error.
           Removed unecessary jars.
     </release-note>
+      <release-note plugin-version="6">
+          Add Proxy properties
+    </release-note>
   </release-notes>
 </pluginInfo>

src/main/zip/plugin.xml

@@ -40,6 +40,12 @@
       <property name="version" required="true">
         <property-ui default-value="${p:version.name}" description="The version of the component deployed." hidden="true" label="Version" type="textBox"/>
       </property>
+      <property name="proxyhost" required="false">
+        <property-ui description="Proxy Host for HTTP." label="Proxy Host" type="textBox"/>
+      </property>
+      <property name="proxyport" required="false">
+        <property-ui description="Proxy Port for HTTP." label="Proxy Port" type="textBox"/>
+      </property>
     </properties>
 
     <post-processing><![CDATA[
@@ -78,6 +84,12 @@
       <property name="attachment" required="true">
         <property-ui description="The Attachment JSON Payload to generate the Slack message." label="Attachment Payload" type="textAreaBox"/>
       </property>
+      <property name="proxyhost" required="false">
+        <property-ui description="Proxy Host for HTTP." label="Proxy Host" type="textBox"/>
+      </property>
+      <property name="proxyport" required="false">
+        <property-ui description="Proxy Port for HTTP." label="Proxy Port" type="textBox"/>
+      </property>
     </properties>
     <post-processing><![CDATA[
         if (properties.get("exitCode") != 0) {

src/main/zip/postToSlack.groovy

@@ -11,6 +11,7 @@ import com.urbancode.air.CommandHelper;
 import groovy.json.JsonBuilder
 
 import org.apache.commons.httpclient.HttpClient
+import org.apache.commons.httpclient.HostConfiguration
 import org.apache.commons.httpclient.methods.PostMethod
 import org.apache.commons.httpclient.methods.StringRequestEntity
 
@@ -33,6 +34,8 @@ final def emoji = props['emoji'];
 final def environment = props['environment'];
 final def component = props['component'];
 final def version = props['version'];
+final def proxyHost = props['proxyhost'];
+final def proxyPort = props['proxyport'];
 
 def commandHelper = new CommandHelper(workDir);
 
@@ -87,6 +90,21 @@ try{
 			"UTF-8"
 	);
 	def http = new HttpClient();
+
+	// Set proxy if set
+	if(proxyHost != null && proxyHost.length() > 1) {
+
+		try {
+			def HostConfiguration hostConfiguration = http.getHostConfiguration();
+			hostConfiguration.setProxy(proxyHost, proxyPort.toInteger());
+			http.setHostConfiguration(hostConfiguration);
+		} catch(Exception e) {
+			println "[Error] Unable to set proxy: ${e.message}"
+    		println "[Possible Solution] Verify the proxyHost and proxyPort parameters. host=${proxyHost}, port=${proxyPort}"
+		}
+
+	}
+
 	def post = new PostMethod(webhook);
 	post.setRequestEntity(requestEntity);
 

src/main/zip/postToSlackAttachment.groovy

@@ -8,6 +8,7 @@ import com.urbancode.air.AirPluginTool;
 import groovy.json.JsonBuilder;
 import groovy.json.JsonSlurper;
 import org.apache.commons.httpclient.HttpClient
+import org.apache.commons.httpclient.HostConfiguration
 import org.apache.commons.httpclient.methods.PostMethod
 import org.apache.commons.httpclient.methods.StringRequestEntity
 
@@ -24,6 +25,8 @@ final def slackChannels = props['channels'].split(",|\n")*.trim() - "";
 final def slackUsername = props['username'];
 final def emoji = props['emoji'];
 final def slackAttachment = props['attachment'];
+final def proxyHost = props['proxyhost'];
+final def proxyPort = props['proxyport'];
 
 slackChannels.each { slackChannel ->
     slackChannel = URLDecoder.decode(slackChannel, "UTF-8" );
@@ -79,6 +82,22 @@ slackChannels.each { slackChannel ->
         "UTF-8"
         );
         def http = new HttpClient();
+
+
+        // Set proxy if set
+        if(proxyHost != null && proxyHost.length() > 1) {
+
+            try {
+                def HostConfiguration hostConfiguration = http.getHostConfiguration();
+                hostConfiguration.setProxy(proxyHost, proxyPort.toInteger());
+                http.setHostConfiguration(hostConfiguration);
+            } catch(Exception e) {
+                println "[Error] Unable to set proxy: ${e.message}"
+                println "[Possible Solution] Verify the proxyHost and proxyPort parameters. host=${proxyHost}, port=${proxyPort}"
+            }
+
+        }
+
         def post = new PostMethod(webhook);
         post.setRequestEntity(requestEntity);
 

src/main/zip/upgrade.xml

@@ -21,4 +21,6 @@
     </migrate>
  <migrate to-version="5">
  </migrate>
+ <migrate to-version="6">
+ </migrate>
 </plugin-upgrade>