Projecting contents with Magnolia CMS

This repository shows how to project contents from Magnolia CMS to Kafka.

Features

• Send contents to Kafka when publishing contents to public instance of Magnolia.
• Register Avro schema from content types defined in Magnolia.

Content

magnolia-projections-webapp

Bundle of Magnolia 6.4.0

content-projection

Magnolia module implementing the projection of contents from Magnolia to Kafka.

magnolia-projections-consumer

Spring Boot service that consumes projections from Kafka produced by Magnolia

Usage

1. Deploy Kafka broker and Schema registry

Starts broker listening to localhost:9092 and Schema registry listening to http://localhost:8081

$ docker compose up -d

2. Build and deploy Magnolia

$ cd magnolia-projections
$ mvn clean package
$ cp magnolia-projections/magnolia-projections-webapp/target/ROOT.war /PATH_TO_TOMCAT_10/webapps
$ sh /PATH_TO_TOMCAT_10/bin/startup.sh

3. Setup Kafka broker and Schema registry. If necessary

4. Project content from content app Tours

It produces a message to topic tour which is the name of the content type referenced by content app Tours

map = new java.util.LinkedHashMap<String, String>()
map.put("path", "/magnolia-travels/Vietnam--Tradition-and-Today")
map.put("repository", "tours")
cm = info.magnolia.commands.CommandsManager.getInstance()
cm.executeCommand('projection', 'publish', map)

5. Start consumer of projections

Starts spring boot service listening to port 8082 that prints messages from topic tour

$ cd magnolia-projections-consumer
$ mvn clean package
$ mvn spring-boot:run