terraform-serverless-deploy.yml

---
name: Terraform and Serverless Deployment

# https://github.com/hashicorp/setup-terraform#setup-terraform

# yamllint disable-line rule:truthy
on:
  pull_request:
    branches: [main]
    # only if we've changed terraform/ or botcpdf/ directories
    paths:
      - botcpdf/**
      - data/**
      - icons/**
      - templates/**
      - terraform/**
      - www/**
  push:
    tags:
      - '*'

# only allow one workflow to run at a time
concurrency:
  group: terraform-matrix
  cancel-in-progress: false

permissions:
  id-token: write
  contents: read
  issues: write
  pull-requests: write

# set default (empty) env vars (keeps liter happy in IDE)
env:
  WORKSPACE: ''
  DEPLOY_ENV: ''

jobs:
  terraform-matrix:
    name: Terraform Matrix
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        aws-account-id:
          - 436158765452
        session-tag:
          - botc-json2pdf
        include:
          - account-name-prefix: chizography
            aws-account-id: 436158765452
            aws-deployment-role: botc/deploy_json2pdf
            aws-region: eu-west-2
            terraform-dir: terraform

    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Set Workspace Env
        # if we're a PR then we user 'dev', otherwise we use 'prod'
        # https://support.hashicorp.com/hc/en-us/articles/360043550953-Selecting-a-workspace-when-running-Terraform-in-automation
        run: |
          if [ -n "${{ github.event.pull_request.head.sha }}" ]; then
            echo "WORKSPACE=dev" >> "$GITHUB_ENV"
          else
            echo "WORKSPACE=prod" >> "$GITHUB_ENV"
          fi

      # because we know some of our terraform has an external poetry data
      # source, we need to install poetry
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Setup Poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: 1.4.2

      - name: Prerelease Version
        shell: bash
        if: github.event_name == 'pull_request'
        run: |
          # for convenience we bump the version number (prerelease) if we're a
          # PR; we don't care about keeping this, we just _never_ want to have
          # a PR with a normal release version number
          poetry version prerelease

      - name: Run terraform actions
        id: run-terraform-actions
        # yamllint disable-line rule:line-length
        uses: chizmw/terraform-workflow-action@v1.0.1
        with:
          # yamllint disable rule:line-length
          use-workspaces: true
          workspace: ${{ env.WORKSPACE }}
          terraform-dir: ${{ matrix.terraform-dir }}
          # state-key: ${{ github.repository }}-${{ matrix.aws-account-id }}-${{ matrix.session-tag }}.tfstate
          aws-account-id: ${{ matrix.aws-account-id }}
          aws-account-name-prefix: ${{ matrix.account-name-prefix }}
          aws-session-tag: ${{ matrix.session-tag }}
          aws-access-key-id: ${{ secrets.CHIZOGRAPHY_GITHUB_AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.CHIZOGRAPHY_GITHUB_AWS_SECRET_ACCESS_KEY }}
          aws-deployment-role: ${{ matrix.aws-deployment-role }}
          github-token: ${{ secrets.GITHUB_TOKEN }}
          aws-region: ${{ matrix.aws-region }}
          # if we're in a PR or a tag push, set auto-apply to true
          auto-apply: ${{ github.event_name == 'pull_request' || github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
          # yamllint enable rule:line-length

  linting:
    name: Deploy Lambda
    runs-on: ubuntu-latest

    strategy:
      matrix:
        include:
          - aws-account-name: chizography
            aws-account-id: 436158765452
            aws-deployment-role: botc/deploy_json2pdf

    steps:
      - uses: actions/checkout@v3

      # do this early so it can fail fast
      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v3
        with:
          # yamllint disable rule:line-length
          aws-access-key-id: ${{ secrets.CHIZOGRAPHY_GITHUB_AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.CHIZOGRAPHY_GITHUB_AWS_SECRET_ACCESS_KEY }}
          aws-region: eu-west-2
          role-to-assume: arn:aws:iam::${{ matrix.aws-account-id }}:role/${{ matrix.aws-deployment-role }}
          role-skip-session-tagging: true
          role-duration-seconds: 1800 # 30 minute session
          mask-aws-account-id: false
          # yamllint enable rule:line-length

      - name: Show AWS Credentials
        shell: bash
        run: |
          env |sort |grep AWS
          aws sts get-caller-identity

      - uses: actions/setup-node@v3
        with:
          node-version: 16

      - name: Set Environment Env
        # if we're a PR then we user 'dev', otherwise we use 'prod'
        # yamllint disable rule:line-length
        run: |
          # debug pesky sls
          echo "SLS_DEBUG=*" >> "$GITHUB_ENV"

          # pull request
          if [ -n "${{ github.event.pull_request.head.sha }}" ]; then
            echo "DEPLOY_ENV=dev" >> "$GITHUB_ENV"

          # push to default branch
          elif [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref }}" == "refs/heads/main" ]; then
            echo "DEPLOY_ENV=prod" >> "$GITHUB_ENV"

          # it's a tag event
          elif [ "${{ github.event_name }}" == "push" ] && [[ "${{ github.ref }}" == refs/tags/* ]]; then
            echo "DEPLOY_ENV=prod" >> "$GITHUB_ENV"

          # no idea what's going on
          else
            # ::error
            echo "::error::Unknown event type: ${{ github.event_name }} ${{ github.ref }}"
              exit 66
          fi
        # yamllint enable rule:line-length

      - name: SLS Prep
        shell: bash
        run: |
          npm --version
          npm install -g serverless@3
          serverless plugin install -n serverless-docker

      - name: Debug Matrix
        shell: bash
        run: |
          echo "::notice::aws-account-name: ${{matrix.aws-account-name}}"
          echo "::notice::aws-account-id: ${{matrix.aws-account-id}}"
          echo "::notice::aws-deployment-role: ${{matrix.aws-deployment-role}}"
          echo "::notice::DEPLOY_ENV: ${{env.DEPLOY_ENV}}"

      # install python and poetry so we can run the tests
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Setup Poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: 1.4.2

      - name: Prerelease Version
        shell: bash
        if: github.event_name == 'pull_request'
        run: |
          # for convenience we bump the version number (prerelease) if we're a
          # PR; we don't care about keeping this, we just _never_ want to have
          # a PR with a normal release version number
          poetry version prerelease

      - name: Run Tests
        shell: bash
        run: |
          make test

      - name: SLS List Deploy
        shell: bash
        run: |
          sls deploy list

      - name: Install AWS RIE
        shell: bash
        # yamllint disable rule:line-length
        run: |
          mkdir -p ~/.aws-lambda-rie \
          && curl -Lo ~/.aws-lambda-rie/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie \
          && chmod +x ~/.aws-lambda-rie/aws-lambda-rie
        # yamllint enable rule:line-length

      - name: SLS Deploy (by env)
        shell: bash
        # yamllint disable-line rule:line-length
        if: github.event_name == 'pull_request' || github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
        run: |
          sls deploy --stage ${{ env.DEPLOY_ENV }}

      - name: Notify Discord
        uses: th0th/notify-discord@v0.4.1
        if: ${{ always() }}
        env:
          # yamllint disable rule:line-length
          DISCORD_WEBHOOK_URL: https://discord.com/api/webhooks/1099136707108020305/r86TwsFW_T3BDX0VOvdcCNVFaGTLTSeVkwS8NikvynVrU-4jZLqq--FlyPVGAmQWJWu9
          GITHUB_ACTOR: ${{ github.actor }}
          GITHUB_JOB_NAME: Deploy Serverless (${{ env.DEPLOY_ENV }})
          GITHUB_JOB_STATUS: ${{ job.status }}