ci.yml

# Actions workflow to build code and run unit tests
# Author: Nyah Check
name: Build & Run Tests

on: [push, pull_request]

env:
  CARGO_TERM_COLOR: always
  RUST_VERSION: 1.65.0


jobs:
  build-and-run-tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ env.RUST_VERSION }}
          override: true
          components: rustfmt, clippy
  
      - uses: actions-rs/cargo@v1
        with:
          command: test
      
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check
    
      - uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: -- -D warnings


  terraform-security-checks:
    name: tfsec PR commenter
    runs-on: ubuntu-latest

    steps:
      - name: Clone repo
        uses: actions/checkout@master
      - name: tfsec
        uses: aquasecurity/tfsec-pr-commenter-action@v1.3.1
        with:
          working_directory: terraform
          tfsec_formats: json,sarif,gif
          tfsec_args: --soft-fail
          github_token: ${{ github.token }}

  terraform-validation:
    name: terraform validation
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: terraform
    steps:
    - uses: actions/checkout@master

    - uses: hashicorp/setup-terraform@v2
      with:
        terraform_version: 1.1.7
        cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}

    - name: Terraform fmt
      id: fmt
      run: terraform fmt -check
      continue-on-error: true

    - name: Terraform Init
      id: init
      run: terraform init

    - name: Terraform Validate
      id: validate
      run: |
        touch lambda.zip
        terraform validate -no-color

    - name: Terraform Plan
      id: plan
      run: terraform plan -no-color
      continue-on-error: true

    - uses: actions/github-script@v6
      if: github.event_name == 'pull_request'
      env:
        PLAN: "terraform\n${{ steps.plan.outputs.stdout }}"
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          // 1. Retrieve existing bot comments for the PR
          const { data: comments } = await github.rest.issues.listComments({
            owner: context.repo.owner,
            repo: context.repo.repo,
            issue_number: context.issue.number,
          })
          const botComment = comments.find(comment => {
            return comment.user.type === 'Bot' && comment.body.includes('Terraform Format and Style')
          })

          // 2. Prepare format of the comment
          const output = `#### Terraform Format and Style 🖌\`${{ steps.fmt.outcome }}\`
          #### Terraform Initialization ⚙️\`${{ steps.init.outcome }}\`
          #### Terraform Validation 🤖\`${{ steps.validate.outcome }}\`
          <details><summary>Validation Output</summary>

          \`\`\`\n
          ${{ steps.validate.outputs.stdout }}
          \`\`\`

          </details>

          #### Terraform Plan 📖\`${{ steps.plan.outcome }}\`
          
          <details><summary>Show Plan</summary>
          
          \`\`\`\n
          ${process.env.PLAN}
          \`\`\`
          
          </details>
          
          *Pusher: @${{ github.actor }}, Action: \`${{ github.event_name }}\`, Working Directory: \`${{ env.tf_actions_working_dir }}\`, Workflow: \`${{ github.workflow }}\`*`;
          
          // 3. If we have a comment, update it, otherwise create a new one
          if (botComment) {
            github.rest.issues.updateComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: botComment.id,
              body: output
            })
          } else {
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: output
            })
          }