taiyeoguns / cdktf-gcp-cloud-functions-trial

CDKTF GCP Functions Trial

Trial on deploying simple Google Cloud Functions Python application with CDKTF on GCP.

Requirements

• Python 3.8
• GCP Functions Framework
• CDKTF
• gcloud CLI

Installation

Install CDKTF and gcloud CLI from links above.

Ensure Cloud Build API is enabled in Google project

Clone Project

git clone https://github.com/taiyeoguns/cdktf-gcp-cloud-functions-trial.git

and then change to directory

cd cdktf-gcp-cloud-functions-trial

Create and activate virtual environment

python -m venv venv

source venv/bin/activate

Set up gcloud

If gcloud not already set up, open a command prompt, enter:

gcloud init

and follow the instructions.

Install Requirements

pip install -r requirements.txt

Get terraform modules

cd infrastructure
cdktf get

Run locally

cd application
functions-framework --target=hello_http

Server should be started at http://localhost:8080

GCP Deployment

To spin up resources, enter:

cd infrastructure
cdktf deploy

to auto approve, use:

cd infrastructure
cdktf deploy --auto-approve

If successful, deployed application url should be available from the function_url output in the console, e.g. https://us-east1-positive-cacao-243516.cloudfunctions.net/cf-d1d0b561

Endpoint can be tested with https://us-east1-positive-cacao-243516.cloudfunctions.net/cf-d1d0b561

To tear down resources, use:

cd infrastructure
cdktf destroy

to auto-approve, use:

cd infrastructure
cdktf destroy --auto-approve

Project layout

This project structure combines a CDKTF application and a GCP Functions application. These correspond to the infrastructure and application directories respectively. To run any CDKTF commands, ensure you're in the infrastructure directory, and to run any gcloud Functions framework commands ensure you're in the application directory.