Chapter 5. Monitoring your application

Procedure

1. List the deployment configurations of the pods inside your project and select the one that corresponds to your application.

   oc get dc

   NAME         REVISION   DESIRED   CURRENT   TRIGGERED BY
   MY_APP_NAME   2          1         1         config,image(my-app:6)
   ...

2. Open the YAML deployment template of the pod running your application for editing.

   oc edit dc/MY_APP_NAME

3. Add the following entry to the ports section of the template and save your changes:

   ...
   spec:
     ...
     ports:
     - containerPort: 8778
       name: jolokia
       protocol: TCP
     ...
   ...

4. Redeploy the pod running your application.

   oc rollout latest dc/MY_APP_NAME

   The pod is redeployed with the updated deployment configuration and exposes the port 8778.

5. Log into the OpenShift Web console.
6. In the sidebar, navigate to Applications > Pods, and click on the name of the pod running your application.
7. In the pod details screen, click Open Java Console to access the hawt.io console.