gcloudfunctionpubsubevent

Google Cloud Function Pub/Sub 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 about a Cloud Pub/Sub event that depends on the input to the function log.

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 Google Cloud Function:

  • Name: <CLOUD_FUNCTION_NAME>
  • Memory allocated: 256 MB
  • Trigger: Cloud Pub/Sub
  • Topic: projects/<PROJECT-NAME>/topics/<TOPIC_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: pusub_event
  • Region: <GOOGLE_CLOUD_REGION>
  • Timeout: 60 seconds

• Save the Google Cloud Function.

  The function is deployed and run.

• Test the function.

  Go to the Function details and select Testing.

  • First test:

    Enter the Triggering event content:

    {}

    Click Test the function.

    You should see the next message in the Google Cloud console output:

    OK

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

    Hello World!

  • Second test:

    Encoding the text Peter to Base64 format using an external tool, you should get UGV0ZXI=.

    Enter the Triggering event content:

    {
      "data": "UGV0ZXI="
    }

    Click Test the function.

    You should see the next message in the Google Cloud console output:

    OK

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

    Hello Peter!