---
name: Gerrit Verify

# yamllint disable-line rule:truthy
on:
  workflow_dispatch:
    inputs:
      GERRIT_BRANCH:
        description: "Branch that change is against"
        required: true
        type: string
      GERRIT_CHANGE_ID:
        description: "The ID for the change"
        required: true
        type: string
      GERRIT_CHANGE_NUMBER:
        description: "The Gerrit number"
        required: true
        type: string
      GERRIT_CHANGE_URL:
        description: "URL to the change"
        required: true
        type: string
      GERRIT_EVENT_TYPE:
        description: "Type of Gerrit event"
        required: true
        type: string
      GERRIT_PATCHSET_NUMBER:
        description: "The patch number for the change"
        required: true
        type: string
      GERRIT_PATCHSET_REVISION:
        description: "The revision sha"
        required: true
        type: string
      GERRIT_PROJECT:
        description: "Project in Gerrit"
        required: true
        type: string
      GERRIT_REFSPEC:
        description: "Gerrit refspec of change"
        required: true
        type: string

env:
  OS_CLOUD: "vex"
  PACKER_VERSION: "1.9.1"

concurrency:
  group: ${{ github.event.inputs.GERRIT_CHANGE_ID || github.run_id }}
  cancel-in-progress: true

jobs:
  prepare:
    runs-on: ubuntu-latest
    steps:
      - name: Clear votes
        uses: lfit/gerrit-review-action@v0.3
        with:
          host: ${{ vars.GERRIT_SERVER }}
          username: ${{ vars.GERRIT_SSH_USER }}
          key: ${{ secrets.GERRIT_SSH_PRIVKEY }}
          known_hosts: ${{ vars.GERRIT_KNOWN_HOSTS }}
          gerrit-change-number: ${{ inputs.GERRIT_CHANGE_NUMBER }}
          gerrit-patchset-number: ${{ inputs.GERRIT_PATCHSET_NUMBER }}
          vote-type: clear
      - name: Allow replication
        run: sleep 10s

  actionlint:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - uses: lfit/checkout-gerrit-change-action@v0.4
        with:
          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
          delay: "0s"
      - name: Download actionlint
        id: get_actionlint
        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
        shell: bash
      - name: Check workflow files
        run: ${{ steps.get_actionlint.outputs.executable }} -color
        shell: bash

  # run pre-commit tox env separately to get use of more parallel processing
  pre-commit:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - uses: lfit/checkout-gerrit-change-action@v0.4
        with:
          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
          delay: "0s"
      - uses: actions/setup-python@v4
        with:
          python-version: "3.11"
      - name: Run static analysis and format checkers
        run: pipx run pre-commit run --all-files --show-diff-on-failure

  jjb-validation:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - uses: lfit/checkout-gerrit-change-action@v0.4
        with:
          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
          delay: "0s"
      - uses: actions/setup-python@v4
        id: setup-python
        with:
          python-version: "3.11"
      - name: Clone git submodules
        run: git submodule update --init
      - name: Run JJB Verify
        run: |
          python -m pip install --upgrade pip
          pip install jenkins-job-builder
          mkdir -p "${HOME}/.config/jenkins_jobs"
          cat << EOF > "${HOME}/.config/jenkins_jobs/jenkins_jobs.ini"
          [job_builder]
          ignore_cache=True
          keep_descriptions=False
          include_path=.
          recursive=True
          query_plugins_info=False
          config-xml=True
          EOF
          jenkins-jobs test -o archives/job-configs jjb/

  tox-verify:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - uses: lfit/checkout-gerrit-change-action@v0.4
        with:
          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
          delay: "0s"
      - uses: actions/setup-python@v4
        id: setup-python
        with:
          python-version: "3.11"
      - name: Run tox
        run: >-
          pipx run tox

  packer-validator:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - name: Gerrit Checkout
        # yamllint disable-line rule:line-length
        uses: lfit/checkout-gerrit-change-action@70360ca2f8bee3e6a15224d8a03f8e017b1ac91f # v0.4
        with:
          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
          delay: "0s"
      - name: Clone git submodules
        shell: bash
        run: git submodule update --init
      - name: Check for changes
        # yamllint disable-line rule:line-length
        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
        id: changes
        with:
          base: ${{ inputs.GERRIT_BRANCH }}
          ref: ${{ inputs.GERRIT_PATCHSET_REVISION }}
          filters: |
            src:
              - 'packer/**'
      - name: Setup packer
        if: steps.changes.outputs.src == 'true'
        uses: hashicorp/setup-packer@main
        id: setup
        with:
          version: ${{ env.PACKER_VERSION }}
      - name: Create cloud-env file required for packer
        id: create-cloud-env-file
        if: steps.changes.outputs.src == 'true'
        shell: bash
        run: |
          echo "${{ secrets.CLOUDS_ENV_B64 }}" | base64 --decode \
                  > "${GITHUB_WORKSPACE}/cloud-env.pkrvars.hcl"
      - name: Create cloud.yaml file for openstack client
        id: create-cloud-yaml-file
        if: steps.changes.outputs.src == 'true'
        shell: bash
        run: |
          mkdir -p "$HOME/.config/openstack"
          echo "${{ secrets.CLOUDS_YAML_B64 }}" | base64 --decode \
                  > "$HOME/.config/openstack/clouds.yaml"
      - name: Setup Python
        if: steps.changes.outputs.src == 'true'
        # yamllint disable-line rule:line-length
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1 # v4.7.0
        with:
          python-version: "3.11"
      - name: Install openstack deps
        id: install-openstack-deps
        if: steps.changes.outputs.src == 'true'
        shell: bash
        run: |
          python -m pip install --upgrade pip
          pip install python-openstackclient
          pip freeze
      - name: Verify packer files
        if: steps.changes.outputs.src == 'true'
        shell: bash
        run: |
          set -x
          cd packer

          varfiles=(common-packer/vars/*.pkrvars.hcl)
          templates=(templates/*.pkr.hcl)

          mkdir -p "${GITHUB_WORKSPACE}/logs"
          PACKER_LOGS_DIR="${GITHUB_WORKSPACE}/logs"

          for varfile in "${varfiles[@]}"; do
              if [[ "$varfile" == *"cloud-env.json"* ]] || \
                 [[ "$varfile" == "vars/*.json" ]] || \
                 [[ "$varfile" == *"cloud-env.pkrvars.hcl"* ]] || \
                 [[ "$varfile" == *"cloud-env-aws.pkrvars.hcl"* ]] || \
                 [[ "$varfile" == "vars/*.pkrvars.hcl" ]]; then
                  continue
              fi

              echo "::group::$varfile"
              echo "-----> Test var: $varfile"
              for template in "${templates[@]}"; do
                  if [[ "$template" == *"variables.pkr.hcl"* ]] || \
                     [[ "$template" == *"variables.auto.pkr.hcl"* ]]; then
                      continue
                  fi

                  if [[ "${template#*.}" == "pkr.hcl" ]]; then
                      echo "packer init $template ..."
                      packer init "$template"
                  fi

                  LOG_FILE="packer-validate-${varfile##*/}-${template##*/}.log"
                  export PACKER_LOG="yes"
                  export PACKER_LOG_PATH="$PACKER_LOGS_DIR/$LOG_FILE"
                  if output=$(OS_CLOUD=${{ env.OS_CLOUD }} packer validate \
                        -var-file="${GITHUB_WORKSPACE}/cloud-env.pkrvars.hcl" \
                        -var-file="$varfile" "$template"); then
                      echo "$template: $output"
                  else
                      echo "$template: $output"
                      exit 1
                  fi
              done
              echo "::endgroup::"
          done

  vote:
    if: ${{ always() }}
    needs:
      [
        prepare,
        actionlint,
        pre-commit,
        jjb-validation,
        tox-verify,
        packer-validator,
      ]
    runs-on: ubuntu-latest
    steps:
      - uses: technote-space/workflow-conclusion-action@v3
      - name: Set vote
        uses: lfit/gerrit-review-action@v0.3
        with:
          host: ${{ vars.GERRIT_SERVER }}
          username: ${{ vars.GERRIT_SSH_USER }}
          key: ${{ secrets.GERRIT_SSH_PRIVKEY }}
          known_hosts: ${{ vars.GERRIT_KNOWN_HOSTS }}
          gerrit-change-number: ${{ inputs.GERRIT_CHANGE_NUMBER }}
          gerrit-patchset-number: ${{ inputs.GERRIT_PATCHSET_NUMBER }}
          vote-type: ${{ env.WORKFLOW_CONCLUSION }}