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Google Cloud Platform

A separate and dedicated Google Cloud project is created and set up.

Note Do not use a project that has already been created. Terraform creates a new project for us.

Configuration

Create variable file terraform.tfvars:

# Google Cloud project ID
# Changing this forces a new project to be created
project = "[PROJECT_ID]"

# The alphanumeric ID of the billing account this project belongs to
billing_account = "[BILLING_ACCOUNT_ID]"

# The numeric ID of the folder this project should be created under
folder = "[FOLDER_ID]"

# Google Cloud DNS domain name suffix for managed zone
# This domain is used for the VMs
# Name field must end with trailing dot, for example myzone.example.com. (note the trailing dot)
dns-domain = "subdomain.domain.tld."

Please verify the ownership of the domain (or a parent) at http://www.google.com/webmasters/verification/.

Create Project

Authentication

  1. To initiate authorization, enter the following command:

    gcloud auth application-default login --no-launch-browser

  2. Copy the long URL that begins with https://accounts.google.com/o/oauth2/auth...

  3. Paste this URL into the browser with which you are currently logged in with your admin account.

  4. Copy the authorization code from the web browser.

  5. Paste the authorization code back to the prompt, "Enter authorization code", and press Enter to complete the authorization.

Set quota project

gcloud auth application-default set-quota-project [EXISTING-GOOGLE-PROJECT]

Initialize

terraform init

Apply

terraform apply

Copy

Copy variables.sh and pi-private-key.json to pi directory:

cp variables.sh ../pi/
cp pi-private-key.json ../pi/

DNS

Add all name servers from file dns-name-servers.txt to your DNS (registrar setup) as type NS.

cat dns-name-servers.txt

Example of configuration with Cloudflare DNS management and domain name (dns-domain) suffix soda.nkn-it.de.:

Screenshot: Cloudflace DNS management

Repeat with all four DNS servers.

Test:

dig ns soda.nkn-it.de

Screenshot: dig NS test

Cloud Source

Copy this repo to Google Cloud Source.

  1. Generate and store your Git credentials

    Screenshot: Configure Git

  2. Add Cloud Source repository as remote repo:

    bash sourcerepo-url.sh

  3. Push:

    git push cloudsource

  4. View repository:

    https://source.cloud.google.com/repos

If you want to log out again, follow these steps: Revoke cookies

Custom OS images

After pushing this repo to Google Cloud Source, a Google Cloud Build is triggered that creates the custom OS images.

Image: Build custom OS images with Packer

List OS images:

gcloud compute images list \
--no-standard-images \
--project [YOUR-GOOGLE-CLOUD-PROJECT]

Output:

NAME           FAMILY           STATUS
custom-debian  debian-12        READY
custom-fedora  fedora-cloud-38  READY
custom-suse    opensuse-leap    READY
custom-ubuntu  ubuntu-2204-lts  READY

Done

Your Google Cloud Platform is now configured. Continue with the Raspberry Pi.

cd ../pi/

Reset

If you want to delete everything, Terraform can destroy everything for you:

terraform apply -destroy
rm -rf .terraform .terraform.lock.hcl terraform.tfstate

Because everything is set up in an extra project, you can also just delete the whole project.