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Serverless Compute: Microservices with Cloud Functions

Serverless Compute: Microservices with Cloud Functions

1 hour 7 Credits

GSP448

Google Cloud Self-Paced Labs

Overview

In this lab you learn how to use Cloud Functions to create a small serverless application demonstrating a simple microservices architecture.

Your company processes widgets which are supplied by HTTP requests. The third widget processing service utilized by your company can take variable amounts of time to complete, and the HTTP request cannot block whilst waiting for the processing to complete. Widgets for processing are often received during certain peak times of day, but many hours can elapse between these peaks.

To address these needs, you will create a series of Cloud Functions microservices to

  • Receive widgets and publish them to a Pub/Sub topic
  • Process the widgets from the Pub/Sub subscription
  • Provide a RESTful interface for interacting with the status database

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Score

—/100

Create the Cloud SQL instance

Run Step

/ 20

Create the Database

Run Step

/ 10

Create the Database User

Run Step

/ 10

Create the Pub/Sub Topic

Run Step

/ 10

Create the Pub/Sub Subscription

Run Step

/ 10

Create the HTTP triggered Cloud Function (Env Var: TOPIC)

Run Step

/ 10

Create the Pub/Sub triggered Cloud Function

Run Step

/ 10

Inspect results from the HTTP triggered function "widget_status" from the Command Line

Run Step

/ 20