I would like to create a cronjob via Knative that sends healthcheck messages to my Kafka topic every 10 minutes.
Then we will have a separate endpoint created, that will receive these messages and pass some response to a receiver (healthcheck).
Tried using KafkaBinding, which seems suitable, but cannot apply this template (TLS): https://github.com/knative/docs/tree/main/code-samples/eventing/kafka/binding
I also find it odd, that regular KafkaBinding template contains apiVersion: bindings.knative.dev/v1beta1, while the one with TLS: sources.knative.dev/v1beta1.
Haven't found much documentation on how to create a Cronjob sending messages on Kafka, which is then grabbed using KafkaSource and passed using broker+trigger to my service on K8s.
Anyone got it implemented right? Or found another way for this?
The idea is test the whole flow including KafkaSource, which seems a little bit unstable.
Create a cronjob in Knative publishing messages to Kafka
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The way to do this without writing any custom code is to create a PingSource + KafkaSink, that would send a fixed event periodically to a Kafka topic.
Configure the event source object:
Configure the event sink object: