Cloud Build Slack notifications

Get slack notifications whenever there's a Cloud Build status update.

Table of contents

• Pre-requisites
• Installation
• Configuration
• Manual Deployment
• Sources

Pre-requisites

1. Slack App
2. Webhook URL for the app above

Installation

1. Clone this repository

git clone git@github.com:laaraujo/cloud-build-slack-notifications.git

2. Change directory to the terraform folder

cd terraform

3. Install Terraform providers and dependencies

terraform init

Configuration

For manual deployment

Sample terraform.tfvars:

project_id = "<gcp_project_id>"
region = "<gcp_region>"
zone = "<gcp_zone>"
slack_app_webhook_url = "<slack_app_webhook_url>"

config.yml

Config file for the slack notifier image. Let's the actual service know where to look for the template and what kind of notifications to send

• Reference: GCP Cloud Build API

template.json

Template for the message received in Slack. This repository includes the default one but it can be customized.

Result notification from Cloud Build Run Sample Build option

• Reference: Slack API Block Kit

Manual deployment

These instructions assume you already have:

• Terraform installed
• GCP Credentials configured locally

1. Check what terraform plan looks like:

terraform plan

2. If the output above looks good, go ahead and apply those changes (you will be prompted to confirm with "yes"):

terraform apply

Sources

• Configuring Slack Notifications
• GCP Cloud Build API for customizing notifier behavior in config.yml
• Slack API Block Kit for customizing slack message in template.json
• Cloud Build Slack Notifier docker image

License

This project is licensed under the MIT License - see the LICENSE file for details.