Customizing labels and annotations - Knative Serving | Serverless

Customizing labels and annotations for Red Hat OpenShift Service on AWS routes

Red Hat OpenShift Service on AWS routes support the use of custom labels and annotations, which you can configure by modifying the metadata spec of a Knative service. Custom labels and annotations are propagated from the service to the Knative route, then to the Knative ingress, and finally to the Red Hat OpenShift Service on AWS route.

Customizing labels and annotations for Red Hat OpenShift Service on AWS routes

Prerequisites

You must have the OpenShift Serverless Operator and Knative Serving installed on your Red Hat OpenShift Service on AWS cluster.
Install the OpenShift CLI (oc).

Procedure

Create a Knative service that contains the label or annotation that you want to propagate to the Red Hat OpenShift Service on AWS route:

To create a service by using YAML:

Example service created by using YAML

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: <service_name>
  labels:
    <label_name>: <label_value>
  annotations:
    <annotation_name>: <annotation_value>
...

To create a service by using the Knative (kn) CLI, enter:

Example service created by using a kn command

$ kn service create <service_name> \
  --image=<image> \
  --annotation <annotation_name>=<annotation_value> \
  --label <label_value>=<label_value>

Verify that the Red Hat OpenShift Service on AWS route has been created with the annotation or label that you added by inspecting the output from the following command:

Example command for verification

$ oc get routes.route.openshift.io \
     -l serving.knative.openshift.io/ingressName=<service_name> \ (1)
     -l serving.knative.openshift.io/ingressNamespace=<service_namespace> \ (2)
     -n knative-serving-ingress -o yaml \
         | grep -e "<label_name>: \"<label_value>\""  -e "<annotation_name>: <annotation_value>" (3)

1	Use the name of your service.
2	Use the namespace where your service was created.
3	Use your values for the label and annotation names and values.