Knative Cookbook - Red Hat version by Kamesh Sampath & Burr Sutter

Author:Kamesh Sampath & Burr Sutter [Kamesh Sampath]
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2020-04-24T16:00:00+00:00

Run the following command to apply the Knative Eventing Channel configuration:

$ kubectl apply -f default-kafka-channel.yaml

Discussion

Since you have now made all Knative Eventing Channels of chapter-4 to be KafkaChannel, creating a Knative Eventing Channel in the chapter-4 namespace will result in a corresponding Kafka Topic being created. Let’s now verify it by creating a sample Channel as shown in the following listing:

cat <<EOF | kubectl apply -f - apiVersion: messaging.knative.dev/v1alpha1 kind: Channel metadata: name: my-events-ch namespace: chapter-4 spec: {} EOF

When you now list the topics that are available in Kafka using the script $BOOK_HOME/bin/kafka-list-topics.sh, you should see a topic corresponding to your Channel my-events-ch:

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