Chapter 8. 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

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

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

   oc edit dc/MY_APP_NAME

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

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

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4. Redeploy the pod running your application.

   oc rollout latest dc/MY_APP_NAME

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   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.