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Inspirational Morning

Send a good morning message to your Google Chat webhook. The message would include the day of the week, a quote, and the author of the quote. Quote and its author is fetched using ZenQuotes API.

Running dev mode

You can run your application in dev mode that enables live coding using below. Dev UI should be accessible at http://localhost:3005/q/dev-ui/.

./mvnw compile quarkus:dev

Packaging and running

  1. Create the JAR

    ./mvnw clean package -DskipTests

  2. Run the JAR with specific GChat webhook URL and a time zone [optional]. By default, the the America/Edmonton time zone is used.

    java -Dzoneid="Pacific/Auckland" -Dgspace.webhook="<GCHAT-WEBHOOK-URL>" -jar target/inspirational-morning-*.jar

  3. Once the JAR is running, hit the exposed ReST endpoint to send the greeting

    curl --silent --request POST --location http://localhost:3005/api/greet | jq

Deploy to Google Cloud Functions

  1. Create up a Pub/Sub topic.

    gcloud pubsub topics create topic-inspirational-morning

  2. Create a cron job schedule for every weekday at 08:00.

    gcloud scheduler jobs create pubsub schedule-job-inspirational-morning \
   --schedule="0 8 * * 0-5" \
   --topic=topic-inspirational-morning \
   --message-body="job is triggered" \
   --time-zone="Pacific/Auckland" \
   --location="us-central1"

  3. Deploy the application as a Cloud Function

    gcloud functions deploy inspirational-morning \
   --gen2 \
   --allow-unauthenticated \
   --trigger-topic=topic-inspirational-morning \
   --region=us-central1 \
   --timeout=540s \
   --entry-point=io.quarkus.gcp.functions.QuarkusCloudEventsFunction \
   --runtime=java17 \
   --memory=256MiB \
   --cpu=0.167 \
   --source=target/deployment \
   --set-env-vars=ZONEID="Pacific/Auckland",GSPACE_WEBHOOK="https://chat.googleapis.com/v1/spaces/SPACE_ID/messages?key=KEY&token=TOKEN"

  4. [OPTIONAL] Trigger the job manually

    gcloud scheduler jobs run schedule-job-inspirational-morning --location="us-central1"

Google Cloud Clean up

  1. Delete the function

    gcloud functions delete inspirational-morning --region=us-central1

  2. Delete the job schedule

    gcloud scheduler jobs delete schedule-job-inspirational-morning --location=us-central1

  3. Delete the topic

    gcloud pubsub topics delete topic-inspirational-morning

Reference guides