@Override
                public String getUnparsedContent() {
                    try {
                        return IOUtils.readAll(retrieveConfigDefReader(nodeName));
                    } catch (Exception e) {
                        throw new RuntimeException("Error retriving def file", e);
                    }
                }
Reads allocated hosts at the given node.

@return the allocated hosts at this node or empty if there is no data at this path
configserver/src/main/java/com/yahoo/vespa/config/server/zookeeper/ZKApplicationPackage.java