test.yml

name: Terraform testing

on:
  pull_request:
    types: [opened, synchronize]
    branches: [master]
    paths:
      - "modules/**"

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    outputs:
      packages: ${{ env.packages }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          persist-credentials: false
          fetch-depth: 0

      - name: Get changed packages
        id: get-changed-packages
        run: |
          export PACKAGES=$(git diff --name-only --diff-filter=d ${{ github.event.pull_request.base.sha || 'origin/master' }} ${{ github.sha }} modules/ | xargs -n1 dirname | sed -r 's/modules\/([^\/]+).*$/modules\/\1/g' | xargs -n1 basename | sort | uniq | jq -rcnR '[inputs]')
          echo "packages=$PACKAGES" >> $GITHUB_ENV

  validate:
    name: Validate
    runs-on: ubuntu-latest
    needs: check
    strategy:
      fail-fast: false
      matrix:
        package: ${{ fromJSON(needs.check.outputs.packages) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        
      - name: Check for missing test directories
        run: |
          chmod +x tests/compare_directories_test.sh
          output=$(tests/compare_directories_test.sh)
          # Check if the output is empty
          if [ -z "$output" ] || [[ "$output" == "locals_variables" ]] ; then
            echo "[INFO] No tests are missing for Terraform module ${{ matrix.package }}."
          else
            echo "$output"
            exit 1
          fi
          
      - name: Compare variables in test file and in the module
        run: |
          if [[ ${{ matrix.package }} != "locals_variables" ]]; then
            chmod +x tests/test_variables_script.sh
            output=$(tests/test_variables_script.sh modules/${{ matrix.package }}/variables.tf tests/${{ matrix.package }}/${{ matrix.package }}.tf)
            # Check if the output is empty
            if [ -z "$output" ]; then
              echo "[INFO] Test file for module ${{ matrix.package }} is currect."
            else
              echo "[ERROR] This variables are missing in the module test file: $output"
              exit 1
            fi
          fi
        
      # - name: Configure AWS credentials
      #   env:
      #     AWS_ACCESS_KEY_ID: ${{ secrets.TESTING_ACCESS_KEY }}
      #     AWS_SECRET_ACCESS_KEY: ${{ secrets.TESTING_SECRET_ACCESS_KEY }}
      #   run: |
      #     echo "AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}" >> $GITHUB_ENV
      #     echo "AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}" >> $GITHUB_ENV

      - name: Set up AWS CLI
        uses: aws-actions/configure-aws-credentials@v2
        with:
          aws-access-key-id: ${{ secrets.TESTING_ACCESS_KEY }}
          aws-secret-access-key: ${{ secrets.TESTING_SECRET_ACCESS_KEY }}
          aws-region: us-east-1 
      - name: Terraform init
        run: |
          if [[ ${{ matrix.package }} != "locals_variables" ]];then
            cd "tests/${{ matrix.package }}"
            terraform init
          fi
          
      - name: Terraform validate
        run: |
          if [[ ${{ matrix.package }} != "locals_variables" ]];then
            cd "tests/${{ matrix.package }}"
            terraform validate
          fi
      
      - name: Terraform plan
        run:  |
          if [[ ${{ matrix.package }} != "locals_variables" ]];then
            cd "tests/${{ matrix.package }}"
            terraform plan
          fi

      - name: Terraform apply
        continue-on-error: true
        run:  |
          if [[ ${{ matrix.package }} != "locals_variables" ]]; then
            cd "tests/${{ matrix.package }}"
            terraform apply -auto-approve
          fi
      - name: Terraform apply
        run: |
          if [[ ${{ matrix.package }} != "locals_variables" ]]; then
            cd "tests/${{ matrix.package }}"
            terraform apply -auto-approve
          fi

      - name: send log to log group
        continue-on-error: true
        run: |
          aws logs put-log-events \
          --log-group-name  "gr-test" --log-stream-name "test2" \
          --log-events "[{\"timestamp\": $(date +%s)000, \"message\": \"This is a log message sent to CloudWatch.\"}]"
      
      - name: Validate Lambda Function
        continue-on-error: true
        run: |
          logGroupName=$(aws logs describe-log-groups --log-group-name-prefix '/aws/lambda/Coralogix-CloudWatch-' --query 'logGroups[-1].logGroupName' --output text)
          aws logs filter-log-events \
          --log-group-name $logGroupName \
          --filter-pattern "ERROR"

      - name: Terraform destroy
        continue-on-error: true
        run:  |
          if [[ ${{ matrix.package }} != "locals_variables" ]];then
            cd "tests/${{ matrix.package }}"
            terraform destroy -auto-approve
          fi
      - name: Terraform destroy in case of an error
        run:  |
          if [[ ${{ matrix.package }} != "locals_variables" ]];then
            cd "tests/${{ matrix.package }}"
            terraform destroy -auto-approve
          fi