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Events for Cloud Run on Anthos - Pub/Sub tutorial

This sample shows how to create a service that processes Pub/Sub messages on Anthos. We assume that you have a GKE cluster created with Events for Cloud Run enabled.

For more details on how to work with this sample read the Google Cloud Run Java Samples README.

Dependencies

  • Spring Boot: Web server framework.
  • Jib: Container build tool.
  • Junit + SpringBootTest: [development] Test running framework.
  • MockMVC: [development] Integration testing support framework.

Quickstart

Set cluster name, location and platform:

gcloud config set run/cluster your-cluster-name
gcloud config set run/cluster_location us-central1-c
gcloud config set run/platform gke

Create a Cloud Pub/Sub topic:

gcloud pubsub topics create my-topic

Use the Jib Maven Plugin to build and push your container image:

mvn jib:build -Dimage gcr.io/$(gcloud config get-value project)/cloudrun-events-pubsub

Deploy your Cloud Run service:

gcloud run deploy cloudrun-events-pubsub \
--image gcr.io/$(gcloud config get-value project)/cloudrun-events-pubsub

Create a Cloud Pub/Sub trigger:

gcloud alpha events triggers create pubsub-trigger \
--source CloudPubSubSource \
--target-service cloudrun-events-pubsub \
--type com.google.cloud.pubsub.topic.publish \
--parameters topic=my-topic

Test

Test your Cloud Run service by publishing a message to the topic:

gcloud pubsub topics publish my-topic --message="Hello there"

You may observe the Run service receiving an event in Cloud Logging.