version: 2.1
orbs:
  slack: circleci/slack@3.4.2

jobs:
  update-helm-charts-index:
    docker:
      - image: docker.mirror.hashicorp.services/cimg/go:1.19.2
    steps:
      - checkout
      - run:
          name: verify Chart version matches tag version
          environment:
            RELEASE_TAG: << pipeline.parameters.release-tag >>
          command: |
            go install github.com/mikefarah/yq/v2@latest
            export TAG=${RELEASE_TAG:-$CIRCLE_TAG}
            git_tag=$(echo "${TAG#v}")
            chart_tag=$(yq r Chart.yaml version)
            if [ "${git_tag}" != "${chart_tag}" ]; then
              echo "chart version (${chart_tag}) did not match git version (${git_tag})"
              exit 1
            fi
      - run:
          name: update helm-charts index
          environment:
            RELEASE_TAG: << pipeline.parameters.release-tag >>
          command: |
            curl --show-error --silent --fail --user "${CIRCLE_TOKEN}:" \
                -X POST \
                -H 'Content-Type: application/json' \
                -H 'Accept: application/json' \
                -d "{\"branch\": \"main\",\"parameters\":{\"SOURCE_REPO\": \"${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}\",\"SOURCE_TAG\": \"${RELEASE_TAG:-$CIRCLE_TAG}\"}}" \
                "${CIRCLE_ENDPOINT}/${CIRCLE_PROJECT}/pipeline"
      - slack/status:
          fail_only: true
          failure_message: "Failed to trigger an update to the helm charts index. Check the logs at: ${CIRCLE_BUILD_URL}"

parameters:
  release-tag:
    type: string
    default: ""
    description: "The tag to release, including v, e.g. v0.22.1"

workflows:
  version: 2
  # Note: unit and acceptance tests are now being run in GitHub Actions
  update-helm-charts-index:
    jobs:
      - update-helm-charts-index:
          context: helm-charts-trigger-vault
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/
  manual-trigger-update-helm-charts-index:
    when: << pipeline.parameters.release-tag >>
    jobs:
      - update-helm-charts-index:
          context: helm-charts-trigger-vault