The Red Hat JBoss Fuse solution offers a new approach of ESB lightweight and modular – is perfectly suited to allow you to implement light integrations.
JBoss Fuse is based on the power of Apache Karaf. Apache Karaf lays in the easy deployment of your ActiveMQ Broker, your CXF webservices, or your own Apache Camel routes.
Most of us are more familiar with that OSGI Environment, and what they offer like control of the classloader behavior and module isolatation and APIs within a single app/JVM process.
For this post, we are gonna to setup a simple camel-route using a FIS (Fuse Integration Service) based on karaf image (jboss-fuse-6/fis-karaf-openshift), which we will containerize your camel route on Karaf within OpenShift!
All the necessary dependencies of this camel route are listed as features to our Karaf distribution on startup in karaf-maven plugin:
We can overridden files using resources from
src/main/resources/assembly/. The included sample log file
etc/org.ops4j.pax.logging.cfg allow you to customize your logging, in my case the log level is set to DEBUG.
The Camel route is implemented using solely the XML DSL (there is no Java code). The source code is provided in the following XML file
The endpoint of our Rest service is exposed on the port 9191. This port should be also declared & exposed in the docker by setting the http port in docker maven plugin:
and the service is configured in pom.xml for fabric8 plugin to pick up:
In order to deploy this example to OpenShift, you can use one of the following application development workflows:
- Fabric8 Maven Workflow
- OpenShift Source-to-Image (S2I) Workflow
In case of local development environment, you can simply use fabric8 maven workflow by choosing
-Pf8-local-deploy as a goal which creates docker and JSON templates and then apply them to OpenShift.
When the example runs in OpenShift, you can use the OpenShift client tool to inspect the status:
$ oc get pods NAME READY STATUS RESTARTS AGE karaf-camel-rest-ose-k8fqw 1/1 Running 0 1h
Then find the name of the pod that runs this example, and output the logs from the running pods with:
$ oc logs karaf-camel-rest-ose-k8fqw
You can test the application by running the restful endpoint,
curl http://karaf-camel-rest-ose.rhel-cdk.10.1.2.2.xip.io/FIS/aboucham Welcome to: aboucham on Fuse Integration Service in OpenShift
To access to the usual console hawtio, this web console now is embedded by default in OpenShift Console, and you have to access to it, by clicking on the button “Open java console”:
In the application console, we see the route is active,
Thanks for reading and hope that you enjoyed this post !!