Openshift Serverless Eventing

Examples of Openshift Serverless Evening for Event Sources, Brokers, Triggers, Channels, Subscriptions

Here are some examples of OpenShift Serverless Evening for Event Sources, Brokers, Triggers, Channels, and Subscriptions:

Event Sources

API Server Source: Exposes an event source that can receive events from an HTTP API.
Container Source: Watches container logs and sends new log messages as events.
Ping Source: Sends events at a specified interval.
Brokers

In-memory Broker: Stores events in memory.
Kafka Broker: Stores events in a Kafka cluster.

Triggers

Cron Trigger: Triggers events at a specified interval.
Manual Trigger: Triggers events manually.
Kamelet Trigger: Triggers events using Kamelet sources.

Channels

In-memory Channel: Stores events in memory.
Kafka Channel: Stores events in a Kafka cluster.
DNS Channel: Stores events in a DNS service.

Subscriptions

Service Subscription: Subscribes to events and sends them to a Kubernetes service.
URI Subscription: Subscribes to events and sends them to a specified URI.

Here's an example YAML configuration for an event source, broker, trigger, channel, and subscription:

# Event Source
apiVersion: sources.eventing.knative.dev/v1
kind: ApiServerSource
metadata:
  name: test-source
spec:
  serviceAccountName: test-service-account
  mode: Resource
  resources:
  - apiVersion: v1
    kind: Event

# Broker
apiVersion: eventing.knative.dev/v1
kind: Broker
metadata:
  name: default
spec:
  config:
    apiVersion: eventing.knative.dev/v1
    kind: InMemoryChannel

# Trigger
apiVersion: eventing.knative.dev/v1
kind: Trigger
metadata:
  name: test-trigger
spec:
  broker: default
  filter:
    attributes:
      type: dev.knative.sources.ping
  subscriber:
    ref:
      apiVersion: serving.knative.dev/v1
      kind: Service
      name: test-service

# Channel
apiVersion: messaging.knative.dev/v1
kind: InMemoryChannel
metadata:
  name: test-channel

# Subscription
apiVersion: messaging.knative.dev/v1
kind: Subscription
metadata:
  name: test-subscription
spec:
  channel:
    apiVersion: messaging.knative.dev/v1
    kind: InMemoryChannel
    name: test-channel
  subscriber:
    ref:
      apiVersion: serving.knative.dev/v1
      kind: Service
      name: test-service