This project is a slack bot that waits for approval on a specified channel and exits upon approval. It is used to let Product Managers approve a release into production using Tekton Pipeline.
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Tekton Pipeline - Approval Slack Bot

This project is a slack bot that waits for approval on a specified channel and exits upon approval. It is used to let Product Managers approve a release into production using Tekton Pipeline.

It uses Quarkus, the Supersonic Subatomic Java Framework. If you want to learn more about Quarkus, please visit its website: https://quarkus.io/ .

Pre-requisites

  • Create a Slack application on api.slack.com/apps.
  • Create an App-Level Token with the connections:write scope.
  • Enable Socket Mode.
  • In OAuth & Permissions, enable the app_mentions:read, channels:read,chat:write and commands scopes.
  • In the Slash Commands, add the /lgtm command.
  • Install App to your Workspace

Usage

  • Invite the bot to your channel
  • Start the bot with the SLACK_CHANNEL and TEKTON_PIPELINE_ID environment variables
  • Wait for the bot to post the message on the channel
  • Send the "/lgtm 1234" command (where 1234 is the id of the tekton pipeline to approve)
  • The application exits with code 0

Running the application in dev mode

Install Java 11:

sudo dnf install java-11-openjdk-devel
sudo alternatives --config java
sudo alternatives --config javac
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.19.0.7-1.fc37.x86_64

You can run your application in dev mode that enables live coding using:

export SLACK_CHANNEL="#mad-roadshow-france-2023"
export TEKTON_PIPELINE_ID="1234"
export SLACK_BOT_TOKEN="xoxb-...."
export SLACK_APP_TOKEN="xapp-...."
./mvnw compile quarkus:dev

Packaging and running the application

The application can be packaged using:

./mvnw package
podman build -f src/main/docker/Dockerfile.jvm -t quay.io/madroadshowfrance2023/tekton-pipeline-slack-bot:latest .
podman login quay.io
podman push quay.io/madroadshowfrance2023/tekton-pipeline-slack-bot:latest

Creating a native executable

You can create a native executable using:

./mvnw package -Pnative

Or, if you don't have GraalVM installed, you can run the native executable build in a container using:

./mvnw package -Pnative -Dquarkus.native.container-build=true

You can then execute your native executable with: ./target/slack-bot-1.0.0-SNAPSHOT-runner

If you want to learn more about building native executables, please consult https://quarkus.io/guides/maven-tooling.