towerops/.forgejo/workflows/ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  MIX_ENV: test
  ELIXIR_VERSION: "1.19.5"
  OTP_VERSION: "28.0"

jobs:
  test:
    runs-on: self-hosted

    services:
      postgres:
        image: postgres:17-alpine
        env:
          POSTGRES_DB: towerops_test
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

    container:
      image: hexpm/elixir:1.19.5-erlang-28.0-debian-bookworm-20250113-slim

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-

      - name: Cache Hex packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.hex
            ~/.mix
          key: ${{ runner.os }}-hex-${{ env.ELIXIR_VERSION }}-${{ env.OTP_VERSION }}
          restore-keys: |
            ${{ runner.os }}-hex-

      - name: Install system dependencies
        run: |
          apt-get update -qq
          apt-get install -y -qq --no-install-recommends \
            libsnmp-dev snmp-mibs-downloader build-essential git

      - name: Install Hex and Rebar
        run: |
          mix local.hex --force
          mix local.rebar --force

      - name: Install dependencies
        run: mix deps.get

      - name: Compile (warnings as errors)
        run: mix compile --warnings-as-errors

      - name: Setup database
        run: mix ecto.setup
        env:
          POSTGRES_HOST: postgres

      - name: Run tests
        run: mix test --warnings-as-errors --max-cases 8
        env:
          POSTGRES_HOST: postgres

      - name: Generate coverage report
        run: mix test --cover
        env:
          POSTGRES_HOST: postgres

  quality:
    runs-on: self-hosted

    container:
      image: hexpm/elixir:1.19.5-erlang-28.0-debian-bookworm-20250113-slim

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-

      - name: Cache Hex packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.hex
            ~/.mix
          key: ${{ runner.os }}-hex-${{ env.ELIXIR_VERSION }}-${{ env.OTP_VERSION }}
          restore-keys: |
            ${{ runner.os }}-hex-

      - name: Cache Dialyzer PLT
        uses: actions/cache@v4
        with:
          path: priv/plts
          key: ${{ runner.os }}-plt-${{ env.ELIXIR_VERSION }}-${{ env.OTP_VERSION }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-plt-${{ env.ELIXIR_VERSION }}-${{ env.OTP_VERSION }}-

      - name: Install system dependencies
        run: |
          apt-get update -qq
          apt-get install -y -qq --no-install-recommends \
            libsnmp-dev snmp-mibs-downloader build-essential git

      - name: Install Hex and Rebar
        run: |
          mix local.hex --force
          mix local.rebar --force

      - name: Install dependencies
        run: mix deps.get

      - name: Compile
        run: mix compile --warnings-as-errors

      - name: Check formatting
        run: mix format --check-formatted

      - name: Run Credo
        run: mix credo --strict

      - name: Run Dialyzer
        run: mix dialyzer
        continue-on-error: true

  build:
    runs-on: self-hosted
    needs: test
    if: github.ref == 'refs/heads/main'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.REGISTRY_URL }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ secrets.REGISTRY_URL }}/graham/towerops-web
          tags: |
            type=ref,event=branch
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ secrets.REGISTRY_URL }}/graham/towerops-web:latest
          cache-to: type=inline

  deploy:
    runs-on: self-hosted
    needs: build
    if: github.ref == 'refs/heads/main'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup kubectl
        run: |
          if ! command -v kubectl &> /dev/null; then
            curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
            chmod +x kubectl
            sudo mv kubectl /usr/local/bin/
          fi

      - name: Deploy to Kubernetes
        run: |
          kubectl config use-context towerops/towerops:home-cluster-agent
          DEPLOY_TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
          IMAGE_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          IMAGE_TAG="${{ secrets.REGISTRY_URL }}/graham/towerops-web:main-${IMAGE_SHA}"

          # Update both init container (migrate) and main container
          kubectl set image deployment/towerops \
            migrate=${IMAGE_TAG} \
            towerops=${IMAGE_TAG} \
            -n towerops

          kubectl set env deployment/towerops \
            DEPLOY_TIMESTAMP=${DEPLOY_TIMESTAMP} \
            -n towerops
        env:
          KUBECONFIG: ${{ secrets.KUBECONFIG }}