promote_to_module-manifests.yaml

name: Promote to channel via module-manifests
#  Workflow requires following variables to be defined
#     DOC_URL - location of btp-manager documentation
#     GIT_USER_NAME - user creating head branch and PR
#     GIT_USER_EMAIL - this user email
#     GH_TOOLS_HOST - tools host
#     IMAGE_REPO - name of binary image of the btp-manager executable
#     MODULE_MANIFESTS_REPO_NAME - repository of modules manifests

env:

  # DO NOT CHANGE THIS VALUE - the change will cause inconsistency on landscapes
  # since there would be "old-named" and "new-named" modules and LM would switch between those infinitely
  FULL_MODULE_NAME: kyma-project.io/module/btp-operator

  # GitHub repositories
  MODULE_MANIFESTS_WITH_USER:  "https://${{ vars.GIT_USER_NAME }}:${{ secrets.BOT_TOKEN_GITHUB_TOOLS }}@${{ vars.GH_TOOLS_HOST }}/kyma/${{ vars.MODULE_MANIFESTS_REPO_NAME }}.git"

  BTP_MANAGER_API_URL: "https://api.github.com/repos/kyma-project/btp-manager"
  BTP_MANAGER_RELEASES_URL: "https://github.com/kyma-project/btp-manager/releases"

  # File names
  TEMPLATE_FILENAME: moduletemplate-btp-operator.yaml
  DEFAULT_CR_FILENAME: btp-operator-default-cr.yaml
  MANIFEST_FILENAME: btp-manager.yaml
  SCAN_CONFIG_FILENAME: sec-scanners-config.yaml

  # needed by gh cli for GitHub enterprise
  GH_ENTERPRISE_TOKEN: ${{ secrets.BOT_TOKEN_GITHUB_TOOLS }}

on:
  workflow_dispatch:
    inputs:
      releaseTag:
        description: "Release Tag"
        default: 'use latest release'
        required: true
      channel:
        description: "Channel"
        type: choice
        options:
          - fast
          - regular
        required: true
        default: fast

jobs:
  promote:
    runs-on: ubuntu-latest

    steps:
      - name: Validate required environment variables
        shell: bash
        run: |
          [ -z "${{ vars.DOC_URL }}" ] && echo "DOC_URL is required" && exit 1 
          [ -z "${{ vars.GIT_USER_EMAIL }}" ] && echo "GIT_USER_EMAIL is required" && exit 1 
          [ -z "${{ vars.GIT_USER_NAME }}" ] && echo "GIT_USER_NAME is required" && exit 1 
          [ -z "${{ vars.GH_TOOLS_HOST }}" ] && echo "GH_TOOLS_HOST is required" && exit 1 
          [ -z "${{ vars.IMAGE_REPO }}" ] && echo "IMAGE_REPO is required" && exit 1 
          [ -z "${{ vars.MODULE_MANIFESTS_REPO_NAME }}" ] && echo "MODULE_MANIFESTS_REPO_NAME is required" && exit 1 
          echo "Validated"

      - name: Use default (latest) Release Tag
        if: inputs.releaseTag == 'use latest release'
        shell: bash
        run: |
          latest=$(curl -s -H "Accept: application/vnd.github+json" ${BTP_MANAGER_API_URL}/releases/latest | jq -r '.tag_name') 
          echo "TAG=${latest}" >> $GITHUB_ENV

      - name: Validate given release tag
        if: inputs.releaseTag != 'use latest release'
        shell: bash
        run: |
          tags=$(curl -s -H "Accept: application/vnd.github+json" ${BTP_MANAGER_API_URL}/tags | jq -r '.[] | .name')
          
          if  echo $tags | tr " " '\n' | grep -F -q -x ${{ inputs.releaseTag }}; then
              echo "TAG=${{ inputs.releaseTag }}" >> $GITHUB_ENV
              echo "tag found"
          else
              echo "tag not found: ${{ inputs.releaseTag }}"
              exit 1  
          fi

      - name: Set branch name
        run: echo "BRANCH_NAME=btp-manager-${TAG}-${{ inputs.channel }}" >> $GITHUB_ENV

      - name: Setup git and clone repo
        run: |
          git config --global user.email ${{ vars.GIT_USER_EMAIL }}
          git config --global user.name ${{ vars.GIT_USER_NAME }}
          git clone ${MODULE_MANIFESTS_WITH_USER}
        env:
          GH_TOKEN: ${{ secrets.BOT_TOKEN_GITHUB_TOOLS }}

      - name: Sync Repo and create branch
        working-directory: module-manifests
        run: |
          git remote add upstream ${MODULE_MANIFESTS_WITH_USER}
          git fetch upstream
          git merge upstream/main
          git checkout -B ${BRANCH_NAME}
          mkdir -p modules/btp-operator/${{ inputs.channel }}

      - name: Download artifacts
        working-directory: module-manifests/modules/btp-operator/${{ inputs.channel }}

        run: |
          curl -JL ${BTP_MANAGER_RELEASES_URL}/download/${TAG}/${MANIFEST_FILENAME} >${MANIFEST_FILENAME}
          curl -JL ${BTP_MANAGER_RELEASES_URL}/download/${TAG}/${DEFAULT_CR_FILENAME} >${DEFAULT_CR_FILENAME}

      - name: Create module configuration
        env:
          CHANNEL: ${{ inputs.channel }}
        working-directory: module-manifests/modules/btp-operator/${{ inputs.channel }}
        run: |
          echo "Creating module configuration file:"

          cat <<EOF | tee module-config.yaml
          name: ${FULL_MODULE_NAME}
          channel: ${CHANNEL}
          version: ${TAG}
          manifest: ${MANIFEST_FILENAME}
          defaultCR: ${DEFAULT_CR_FILENAME}
          annotations:
            "operator.kyma-project.io/doc-url": "${{ vars.DOC_URL }}"
          moduleRepo: https://github.com/kyma-project/btp-manager.git
          moduleSecurityScanConfig: true
          EOF

      - name: Commit and push changes
        working-directory: module-manifests
        env:
          FORK_ORIGIN: "https://${{ vars.GIT_USER_NAME }}:${{ secrets.BOT_TOKEN_GITHUB_TOOLS }}@${{ vars.GH_TOOLS_HOST }}/${{ vars.GIT_USER_NAME }}/${{ vars.MODULE_MANIFESTS_REPO_NAME }}.git"
        run: |
          git add .
          git commit -m "Configuration files update"
          git remote set-url origin ${FORK_ORIGIN}
          git push --set-upstream origin ${BRANCH_NAME} -f

      - name: Create PR if needed
        working-directory: module-manifests
        shell: bash
        env:
          CHANNEL: ${{ inputs.channel }}
          MODULE_MANIFESTS_REPO_URL: "https://${{ vars.GH_TOOLS_HOST }}/kyma/${{ vars.MODULE_MANIFESTS_REPO_NAME }}"
        run: |
          prs=$(gh pr list -R "${MODULE_MANIFESTS_REPO_URL}" -A ${{ vars.GIT_USER_NAME }} --state open --json headRefName | jq -r '.[] | .headRefName')

          if  echo $prs | tr " " '\n' | grep -F -q -x ${BRANCH_NAME}; then
              echo "opened PR already exists, no need to create new one, PR will be updated by push from previous step"
              exit 0
          fi
          gh pr create -B main -H ${{ vars.GIT_USER_NAME }}:${BRANCH_NAME} -R https://github.tools.sap/kyma/module-manifests/ --title "Promote BTP Manager ${TAG} to ${CHANNEL} channel" --fill --body "${BTP_MANAGER_RELEASES_URL}/${TAG}"