README.md

Google Cloud Function Cloud Storage Event Python example

This folder contains a Google Cloud Function example in Python on Google Cloud Platform (GCP).

It handles a Google Cloud Function that sends information to the function log about an object when it appears in a Cloud Storage bucket.

Requirements

• You must have a Google Cloud Platform (GCP) account.

• The code was written for Python 3.

Using the code

• Access the Google Cloud console.

• Create a Cloud Storage bucket.

• Create a Google Cloud Function:

  • Name: <CLOUD_FUNCTION_NAME>
  • Memory allocated: 256 MB
  • Trigger: Cloud Storage
  • Event Type: Finalise/Create
  • Bucket: <BUCKET_NAME>
  • Source code. You can use 2 options:
    • Inline editor: Edit the code of the main.py in the browser.
    • ZIP upload: Upload a ZIP file containing the main.py and requirements.txt files.
      • ZIP file: <ZIP_LOCAL_NAME>
      • Stage bucket: <BUCKET_NAME_FOR_STAGGING>
  • Runtime: Python 3.7 (Beta)
  • Function to execute: gcs_event
  • Region: <GOOGLE_CLOUD_REGION>
  • Timeout: 60 seconds

• Save the Google Cloud Function.

  The function is deployed and run.

• Test the function.

  Copy a file in the source Cloud Storage bucket.

  You should see the next message in the Google Cloud Function log:

  Bucket: <BUCKET_NAME>
  Object: <OBJECT_NAME>
  Object size: <OBJECT_SIZE>