Chapter 1. Enabling observability for Red Hat Developer Hub on OpenShift Container Platform

1. Create the ServiceMonitor CR as a YAML file:

   apiVersion: monitoring.coreos.com/v1
   kind: ServiceMonitor
   metadata:
     name: <custom_resource_name> 

   1

   
     namespace: <project_name> 

   2

   
     labels:
       app.kubernetes.io/instance: <custom_resource_name>
       app.kubernetes.io/name: backstage
   spec:
     namespaceSelector:
       matchNames:
         - <project_name>
     selector:
       matchLabels:
         rhdh.redhat.com/app: backstage-<custom_resource_name>
     endpoints:
     - port: backend
       path: '/metrics'

   Copy to Clipboard Toggle word wrap

   1

   Replace <custom_resource_name> with the name of your Red Hat Developer Hub CR.

   2

   Replace <project_name> with the name of the OpenShift Container Platform project where your Red Hat Developer Hub instance is running.

2. Apply the ServiceMonitor CR by running the following command:

   oc apply -f <filename>

   Copy to Clipboard Toggle word wrap

Verification

1. From the Developer perspective in the OpenShift Container Platform web console, select the Observe view.
2. Click the Metrics tab to view metrics for Red Hat Developer Hub pods.

Procedure

1. From the Developer perspective in the OpenShift Container Platform web console, select the Topology view.

2. Click the overflow menu of the Red Hat Developer Hub Helm chart, and select Upgrade.

   

   View larger image

   

3. On the Upgrade Helm Release page, select the YAML view option in Configure via, then configure the metrics section in the YAML, as shown in the following example:

   upstream:
   # ...
     metrics:
       serviceMonitor:
         enabled: true
         path: /metrics
   # ...

   Copy to Clipboard Toggle word wrap
   

   View larger image

   
4. Click Upgrade.

Verification

1. From the Developer perspective in the OpenShift Container Platform web console, select the Observe view.
2. Click the Metrics tab to view metrics for Red Hat Developer Hub pods.