15. KIE App Configuration

The definition of the expected state of KIE-App environment is defined in the YAML definition the KIE-App. In this section we will slightly change this configuration to see how the Operator applies changes in the configuration of your Red Hat Process Automation Manager environment.

15.1 Changing Credentials

1. Go back to the YAML definition of your rhpam-trial KieApp.

2. Add a commonConfig section, with the adminUser to the value pamAdmin, and the adminPassword to redhatpam1!. Click on the Save button.

   spec:
     commonConfig:
       adminPassword: pamAdmin
       adminUser: redhatpam1
   

3. Click the Reload button to reload the YAML view.

4. Click on the Overview tab. Notice the deployments re-deploying.

5. Click on the Business/Central Central URL to open the Business Central console.

6. Log in with the new username and password: pamAdmin/redhatpam1!.

15.2 Adding a KIE-Server

Apart from changing some configuration parameters, we can also change the topology our deployment in the KieApp YAML file.

1. Go back to the YAML definition of your rhpam-trial KieApp.

2. Add a servers section and set the replicas parameter of the rhpam-trial-kieserver to 2.

   objects:
     servers:
       - deployments: 1
         name: rhpam-trial-kieserver
         replicas: 2
   

3. Click the Save button.

4. Go to Workloads → Deployment Configs. Note that there are now 2 KIE-Server Deployment Configs.

5. Go back to the YAML definition of your rhpam-trial KieApp.

6. Navigate to the servers section and add the property deployments with the value 2.

   objects:
     servers:
       - deployments: 2
         name: rhpam-trial-kieserver
         replicas: 2
   

7. Click the Save button.