Installing Features Using POM Files

Follow the steps below to install a feature to WSO2 EI using a new feature installed distribution.

1. Install Maven3 and Ant.

2. Create a directory and copy the pom.xml file given below.
   

   This example provides a sample pom.xml file to create a new feature installed distribution, which uses the default profile (<profile>default</profile>) and the corresponding directory path (dir="<PRODUCT_NAME>/wso2/components/default/configuration/org.eclipse.equinox.simpleconfigurator">). For more information on the plugins, see maven-antrun-plugin and Carbon P2 plugin.

   <?xml version="1.0" encoding="UTF-8"?>
   <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/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.wso2.sample</groupId>
     <artifactId>sample-feature-installation</artifactId>
     <version>1.0.0</version>
     <packaging>pom</packaging>
     <name>New feature</name>
     <url>http://wso2.org</url>
     <build>
       <plugins>
         <plugin>
           <groupId>org.wso2.maven</groupId>
           <artifactId>carbon-p2-plugin</artifactId>
           <version>1.5.4</version>
           <executions>
             <execution> 
               <id>feature-install</id>
               <phase>package</phase>
               <goals>
                 <goal>p2-profile-gen</goal>
               </goals> 
               <configuration>
                 <profile>default</profile>
                 <metadataRepository>http://product-dist.wso2.com/p2/carbon/releases/wilkes/</metadataRepository>
                 <artifactRepository>http://product-dist.wso2.com/p2/carbon/releases/wilkes/</artifactRepository>
                 <destination>wso2ei-6.1.1/wso2/components</destination>
                 <deleteOldProfileFiles>false</deleteOldProfileFiles>
                 <features>
                   <feature>
                     <id>org.wso2.carbon.hl7.feature.group</id>
                     <version>4.6.6</version>
                   </feature>
                 </features>
               </configuration>
             </execution>
           </executions>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-antrun-plugin</artifactId>
           <version>1.1</version>
           <executions>
             <execution>
               <phase>package</phase>
               <configuration>
                 <tasks>
                   <replace token="false" value="true" dir="wso2ei-6.1.1/wso2/components/default/configuration/org.eclipse.equinox.simpleconfigurator">
                     <include name="**/bundles.info"/>
                   </replace>
                 </tasks>
               </configuration>
               <goals>
                 <goal>run</goal>
               </goals>
             </execution>
           </executions>
         </plugin>
       </plugins>
     </build>
     <repositories>
       <repository>
         <id>wso2-nexus</id>
         <name>WSO2 internal Repository</name>
         <url>http://maven.wso2.org/nexus/content/groups/wso2-public/</url>
         <releases>
           <enabled>true</enabled>
           <updatePolicy>daily</updatePolicy>
           <checksumPolicy>ignore</checksumPolicy>
         </releases>
       </repository>
     </repositories>
     <pluginRepositories>
       <pluginRepository>
         <id>wso2-maven-releases-repository</id>
         <url>http://maven.wso2.org/nexus/content/repositories/releases/</url>
       </pluginRepository>
       <pluginRepository>
         <id>wso2-maven-snapshots-repository</id>
         <url>http://maven.wso2.org/nexus/content/repositories/snapshots/</url>
       </pluginRepository>
     </pluginRepositories>
   </project>

3. Unzip the original product distribution (e.g., wso2carbon-<version>.zip) to the same directory location.  

4. In the pom.xml file list down the features you want to install into the system. For example:
   

     <features>
       <feature>
           <id>org.wso2.carbon.hl7.feature.group</id>
           <version>4.6.6</version>
       </feature>
   </features>

5. Execute the following command:
   

   mvn clean install

   Upon successful invocation of the build, the product distribution is provisioned with the new features. This approach is scriptable.