packer.yaml

name: Packer build

# prevent mutliple concurrent workflow executions to avoid hcloud resources interfering with each other
concurrency: hcloud

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  workflow_dispatch:

jobs:
  docker-build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Build and save Docker image
        run: |
          docker build -t ghcr.io/enowars/bambictf:latest .
          docker save --output /tmp/bambictf.tar ghcr.io/enowars/bambictf:latest
      - name: Upload docker image artifact
        uses: actions/upload-artifact@v4
        with:
          name: bambictf
          path: /tmp/bambictf.tar

  configgen:
    runs-on: ubuntu-latest
    needs: docker-build
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: bambictf
          path: /tmp
      - name: Load Docker image
        run: docker load --input /tmp/bambictf.tar
      - name: start docker compose setup
        env:
          HCLOUD_TOKEN: ${{ secrets.HCLOUD_TOKEN }}
        run: docker compose up -d
      - name: prepare ansible config
        run: docker compose exec -T bambictf sh -c 'cp ansible/config_bambi.yml.sample ansible/config_bambi.yml'
      - name: generate config files
        run: docker compose exec -T bambictf sh -c 'cd configgen; poetry install; poetry run configgen --teams 4 --routers 2 --dns ci-${{ github.sha }}.bambi.ovh'
      - name: tar config files
        run: sudo tar cf /tmp/config.tar config
      - name: Upload config artifact
        uses: actions/upload-artifact@v4
        with:
          name: config
          path: /tmp/config.tar

  packer-build:
    strategy:
      # fail-fast needs to be disabled, otherwise packer processes may be ungracefully killed and leave stale builder VMs
      fail-fast: false
      matrix:
        image: ["bambichecker", "bambielk", "bambiengine", "bambirouter", "bambivulnbox"]
    runs-on: ubuntu-latest
    needs: configgen
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download docker image artifact
        uses: actions/download-artifact@v4
        with:
          name: bambictf
          path: /tmp
      - name: Load Docker image
        run: docker load --input /tmp/bambictf.tar
      - name: Download config artifact
        uses: actions/download-artifact@v4
        with:
          name: config
          path: /tmp
      - name: untar config files
        run: tar xf /tmp/config.tar
      - name: start docker compose setup
        env:
          HCLOUD_TOKEN: ${{ secrets.HCLOUD_TOKEN }}
        run: docker compose up -d
      - name: prepare ansible config
        run: docker compose exec -T bambictf sh -c 'cp ansible/config_bambi.yml.sample ansible/config_bambi.yml'
      - name: build packer image
        run: docker compose exec -T bambictf sh -c 'cd packer; packer build ${{ matrix.image }}.json'

  terraform-apply:
    runs-on: ubuntu-latest
    needs: packer-build
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download docker image artifact
        uses: actions/download-artifact@v4
        with:
          name: bambictf
          path: /tmp
      - name: Load Docker image
        run: docker load --input /tmp/bambictf.tar
      - name: Download config artifact
        uses: actions/download-artifact@v4
        with:
          name: config
          path: /tmp
      - name: untar config files
        run: tar xf /tmp/config.tar
      - name: copy terraform sample config
        run: cp terraform/terraform.tfvars.sample terraform/terraform.tfvars
      - name: prepare terraform config
        run: sed -i s/prod/ci-${{ github.sha }}/ terraform/terraform.tfvars
      - name: setup hcloud
        run: |
          curl -o hcloud-linux-amd64.tar.gz -L https://github.com/hetznercloud/cli/releases/download/v1.34.0/hcloud-linux-amd64.tar.gz
          sudo tar xf hcloud-linux-amd64.tar.gz -C /usr/bin hcloud
          sudo chmod +x /usr/bin/hcloud
      - name: generate admin SSH key
        run: ssh-keygen -t ed25519 -N "" -f adminkey
      - name: add hcloud ssh key
        env:
          HCLOUD_TOKEN: ${{ secrets.HCLOUD_TOKEN }}
        run: hcloud ssh-key create --name adminkey-${{ github.sha }} --label type=admin --public-key-from-file adminkey.pub
      - name: start docker compose setup
        env:
          HCLOUD_TOKEN: ${{ secrets.HCLOUD_TOKEN }}
          HETZNERDNS_TOKEN: ${{ secrets.HETZNERDNS_TOKEN }}
        run: docker compose up -d
      - name: perform terraform init
        run: docker compose exec -T bambictf sh -c 'cd terraform ; terraform init'
      - name: perform terraform apply
        run: docker compose exec -T bambictf sh -c 'cd terraform ; terraform plan'