release.yml

name: 'Release'

on:
  workflow_dispatch:
    inputs:
      future_release:
        description: 'Tag for the future release (d.d.d)'
        required: true

permissions:
  contents: write

env:
  release_yml_branch: "release-push-protected-linda"
  src_branch: "source-protected-branch"
  dst_branch: "destination-protected-branch"

jobs:
  validate_arguments:
    name: 'Validate arguments'
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash

    steps:
      - name: Validate source branch
        run: |
          if [ "${GITHUB_REF#refs/heads/}" != "${release_yml_branch}" ]; then
            echo "Invalid branch. This workflow can only be ran on ${src_branch} branch. Got ${GITHUB_REF#refs/heads/}."
            exit 1
          fi
      - name: Validate release version value
        run: |
          if ! echo ${{ github.event.inputs.future_release }} | grep -E '^([0-9]{1,3}\.){2}[0-9]{1,3}$'; then
            echo "Future release should be in the format of x.y.z where x, y & z are all numbers"
            exit 1
          fi

      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ env.src_branch }}

      - name: Validate tag availability
        run: |
          ! git rev-parse ${{ github.event.inputs.future_release }}

      - name: Check source branch is "fast-forward" mergale
        run: |
          git merge-base --is-ancestor origin/${dst_branch} ${src_branch}

  update_versions:
    name: 'Update versions in examples and READMEs'
    needs: validate_arguments
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ env.src_branch }}
          token: ${{ secrets.PUSH_TO_PROTECTED_BRANCH }}

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v2
        with:
          terraform_wrapper: false
          terraform_version: ~1.6.0

      - name: Format version for zip file name
        run: |
          version="${{ github.event.inputs.future_release }}"
          formatted_version=${version//./_}
          echo "FORMATTED_VERSION=$formatted_version" >> $GITHUB_OUTPUT
        id: format-version

      - name: Update modules' versions in examples
        run: |
          find ./examples/ -type f -exec sed -i 's;.*latest release tag.*;version="'${{ github.event.inputs.future_release }}'" # latest release tag;' {} \; 

      - name: Update READMEs
        run: |
          echo "Formatted version: ${{ steps.format-version.outputs.FORMATTED_VERSION }}"
          find . -type f -name 'README.md' -exec sed -E -i 's;github.com/imperva/dsfkit/tree/([0-9]*\.){2}[0-9]*;github.com/imperva/dsfkit/tree/'${{ github.event.inputs.future_release }}';g' {} \;
          find . -type f -name 'README.md' -exec sed -E -i 's;github.com/imperva/dsfkit/raw/([0-9]*\.){2}[0-9]*;github.com/imperva/dsfkit/raw/'${{ github.event.inputs.future_release }}';g' {} \;
          find . -type f -name 'README.md' -exec sed -E -i '/\/examples\// s;([0-9]+_){2}[0-9]+\.zip;${{ steps.format-version.outputs.FORMATTED_VERSION }}\.zip;g' {} \;

      - name: Update installer machine link
        run: |
          sed -E -i 's;github.com/imperva/dsfkit/blob/([0-9]*\.){2}[0-9]*/installer_machine;github.com/imperva/dsfkit/blob/'${{ github.event.inputs.future_release }}'/installer_machine;g' ./README.md

      - name: Run terraform linter
        run: |
          terraform fmt -recursive

      - name: Zip per examples, remove old version zip
        run: |
          for d in $(find ./examples -type d -links 2); do
            _d=$(dirname ${d})
            _b=$(basename ${d})
            pushd $_d
            rm ${_b}/*.zip
            mv ${_b} ${_b}_${{ steps.format-version.outputs.FORMATTED_VERSION }}
            zip -FSr ${_b}_${{ steps.format-version.outputs.FORMATTED_VERSION }}/${_b}_${{ steps.format-version.outputs.FORMATTED_VERSION }}.zip ${_b}_${{ steps.format-version.outputs.FORMATTED_VERSION }}
            mv ${_b}_${{ steps.format-version.outputs.FORMATTED_VERSION }} ${_b}
            popd
          done

      - name: Zip Sonar python upgrader, remove old version zip
        run: |
          rm modules/sonar_python_upgrader_*.zip
          pushd modules/aws/sonar-upgrader
          mv python_upgrader sonar_python_upgrader_${{ steps.format-version.outputs.FORMATTED_VERSION }}
          zip -FSr ../../sonar_python_upgrader_${{ steps.format-version.outputs.FORMATTED_VERSION }}.zip sonar_python_upgrader_${{ steps.format-version.outputs.FORMATTED_VERSION }}
          mv sonar_python_upgrader_${{ steps.format-version.outputs.FORMATTED_VERSION }} python_upgrader
          popd

      - name: Commit changes to git repo
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Automatic commit before release [release=${{ github.event.inputs.future_release }}] | [skip actions]

  merge:
    name: 'Merge'
    needs: update_versions
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ env.dst_branch }}
          token: ${{ secrets.PUSH_TO_PROTECTED_BRANCH }}

      - name: Merge
        run: |
          git merge origin/${src_branch} --ff-only
          git push

  tag_branch:
    needs: merge
    name: 'Tag release'
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ env.dst_branch }}

      - name: tag
        run: |
          git tag ${{ github.event.inputs.future_release }} ${{ env.dst_branch }}
          git push origin ${{ github.event.inputs.future_release }}