build.yml

name: Build

on:
  pull_request:
    branches:
      - main

defaults:
 run:
  shell: bash

jobs:
  build_and_test:
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: '3.8'
      - uses: unfor19/install-aws-cli-action@v1

      - name: Install flake8
        run: pip3 install flake8

      - name: Run Flask8
        run: |
          flake8 --ignore Q000,W503 lambda_functions

      - name: Build Unit Test Container
        run: |
          docker-compose -f docker-compose.yml build unit-test-lpa-data

      - name: Run Unit Tests
        run: |
          docker-compose -f docker-compose.yml up unit-test-lpa-data

      - name: Install lambda requirements
        run: |
          for i in $(ls -d lambda_functions/*/ | awk -F'/' '{print $2}' | grep '^v[1-9]\+')
          do
            export LAYER_PATH=lambda_functions/"${i}"/lambda_layers/python/lib/python3.8/site-packages
            pip3 install -r lambda_functions/"${i}"/requirements/requirements.txt --target ./$LAYER_PATH/
          done

      - name: Create Artifact
        run: |
          chmod -R 755 ./lambda_functions
          cd ./lambda_functions
          zip -r9 /tmp/opg-data-lpa.zip .

      - name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: opg-data-lpa
          path: /tmp/opg-data-lpa.zip

  terraform_checks:
    runs-on: ubuntu-latest
    needs: build_and_test
    env:
      TF_VAR_pagerduty_token: ${{ secrets.PAGERDUTY_TOKEN }}
    strategy:
      max-parallel: 1
      matrix:
        include:
          - environment: "development"

          - environment: "preproduction"

          - environment: "production"

          - environment: "integration"
    steps:
      - uses: actions/checkout@v2

      - name: Configure AWS Credentials For Terraform
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: eu-west-1
          role-session-name: GitHubActionsTerraform

      - uses: hashicorp/setup-terraform@v1
        with:
          terraform_version: 1.2.4
      - name: Retrieve Artifact
        uses: actions/download-artifact@v2
        with:
          name: opg-data-lpa
      - name: unzip
        run: |
          unzip ./opg-data-lpa.zip -d .

      - name: Setup environment
        run: |
          echo TF_WORKSPACE=${{ matrix.environment }} >> $GITHUB_ENV
      - name: Terraform init
        working-directory: ./terraform/environment
        run: |
          terraform init

      - name: Terraform formatting
        working-directory: ./terraform/environment
        run: |
          terraform fmt -diff -check -recursive
      - name: Validate Terraform
        working-directory: ./terraform/environment
        run: |
          terraform validate

      - name: Terraform plan
        working-directory: ./terraform/environment
        run: |
          terraform plan -input=false

  # pact_verification:
  #   runs-on: ubuntu-latest
  #   needs: terraform_checks
  #   env:
  #     # GIT_CONSUMER: << pipeline.parameters.consumer >>
  #     # GIT_COMMIT_CONSUMER: << pipeline.parameters.consumerversion >>
  #     PACT_PROVIDER: lpa
  #     PACT_CONSUMER: sirius
  #     PACT_BROKER_BASE_URL: https://pact-broker.api.opg.service.justice.gov.uk
  #     PACT_BROKER_HTTP_AUTH_USER: admin
  #   steps:
  #     - uses: actions/checkout@v2
  #     - name: Pact Install
  #       run: |
  #         wget https://github.com/pact-foundation/pact-ruby-standalone/releases/download/v1.82.3/pact-1.82.3-linux-x86_64.tar.gz
  #         tar xzf pact-1.82.3-linux-x86_64.tar.gz
  #     - name: Code artifact login
  #       working-directory: ./docs/ci_scripts
  #       run: |
  #         ./login_code_artifact.sh -a 288342028542 -t pip

  #     - name: install ci requirements
  #       working-directory: ./pact
  #       run: |
  #         pip3 install -r requirements.txt

  #     - name: verify pact
  #       working-directory: ./pact
  #       run: |
  #         echo ${API_VERSION}
  #         python check_pact_deployable.py \
  #         --provider_base_url="http://localhost:4343" \
  #         --pact_broker_url="${PACT_BROKER_BASE_URL}" \
  #         --broker_user_name="admin" \
  #         --broker_secret_name="pactbroker_admin" \
  #         --consumer_pacticipant="${PACT_CONSUMER}" \
  #         --provider_pacticipant="${PACT_PROVIDER}" \
  #         --api_version="${API_VERSION}" \
  #         --git_commit_consumer="${GIT_COMMIT_CONSUMER}" \
  #         --git_commit_provider="${GIT_COMMIT_PROVIDER}" || echo "Failed but because consumer pacts not set up yet"

  ephemeral_environment:
    name: Create Ephemeral Environment
    runs-on: "ubuntu-latest"
    needs: [build_and_test, terraform_checks]
    steps:
      - uses: actions/checkout@v2
      - uses: hashicorp/setup-terraform@v1
        with:
          terraform_version: 1.2.4
      - name: Extract branch name
        shell: bash
        run: |
          echo "branch=$(echo ${GITHUB_HEAD_REF#refs/heads/} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
        id: extract_branch
      - name: Install workspace manager
        run: |
          wget https://github.com/TomTucka/terraform-workspace-manager/releases/download/v0.3.0/terraform-workspace-manager_Linux_x86_64.tar.gz -O $HOME/terraform-workspace-manager.tar.gz
          sudo tar -xvf $HOME/terraform-workspace-manager.tar.gz -C /usr/local/bin
          sudo chmod +x /usr/local/bin/terraform-workspace-manager
      - name: Configure AWS Credentials For Terraform
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: eu-west-1
          role-session-name: GitHubActionsTerraform
      - name: Retrieve Artifact
        uses: actions/download-artifact@v2
        with:
          name: opg-data-lpa
      - name: Unzip Artifact
        run: unzip -o ./opg-data-lpa.zip -d ./lambda_functions
      - name: Terraform init
        working-directory: ./terraform/environment
        env:
          TF_WORKSPACE: default
        run: |
          terraform init
      - name: Terraform apply
        working-directory: ./terraform/environment
        env:
          TF_WORKSPACE: ${{ steps.extract_branch.outputs.branch }}
        run: |
          terraform apply --auto-approve
      - name: Protect Workspace
        env:
          TF_WORKSPACE: ${{ steps.extract_branch.outputs.branch }}
        run: terraform-workspace-manager -register-workspace=$TF_WORKSPACE -time-to-protect=4 -aws-account-id=288342028542 -aws-iam-role=integrations-ci