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In the wiki page Creating and Installing an Instance of SDNR we saw how the docker container is constructed and how features are installed into OpenDaylight. We now discuss how to create and add a new feature to SDNR. As an example, we will create a Hello World feature in the ccsdk/features repository using the subdirectory sdnr/northbound. This is the initial file structure.
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As we saw in Creating an Instance of SDN-RSDNR, features/sdnr-helloworld/pom.xml creates a features.xml file and installer/pom.xml zips up the maven repository. We can then modify ccsdk/distribution/odlsli/src/maindocker/Dockerfile to include helloworld in the boot features, as shown here.
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