helm-publish.yml

helm:publish:
  image: devth/helm:v3.1.1
  stage: push
  script:
    - |
      # CHECKING PHASE
      for var in "GOOGLE_KEY" "BUCKET_NAME" "GOOGLE_PROJECT"; do
          if [ -z "${!var}" ]; then
            echo
            echo "-> [WARNING] Missing '${var}' variable!"
            echo
            exit 1
          fi
      done

      # ACTIVATION PHASE

      echo "${GOOGLE_KEY}" > /tmp/key.json

      gcloud auth activate-service-account --key-file /tmp/key.json

      gcloud config set project "${GOOGLE_PROJECT}"

      echo
      echo "-> Google project '${GOOGLE_PROJECT}' configured!"
      echo

      # DEPLOY PHASE

      COMMAND_TO_RUN=( gsutil )

      # Check if unset (but allow empty string)
      if [ -z "${BUCKET_PATH+x}" ]; then
        BUCKET_PATH="charts"
      fi

      if [ -n "${BUCKET_HEADERS}" ]; then
        echo
        echo "-> Setting '${BUCKET_HEADERS}' headers!"
        echo

        COMMAND_TO_RUN+=( -h "${BUCKET_HEADERS}" )
      fi

      BUCKET_FULL_PATH="gs:/$(echo "/${BUCKET_NAME}/${BUCKET_PATH}/" | tr -s /)"

      "${COMMAND_TO_RUN[@]} cp ${BUCKET_FULL_PATH}index.yaml /tmp/index.yaml"

      helm package .
      helm repo index . --merge /tmp/index.yaml

      "${COMMAND_TO_RUN[@]} cp ./index.yaml ${BUCKET_FULL_PATH}index.yaml"
      "${COMMAND_TO_RUN[@]} cp ./*.tgz* ${BUCKET_FULL_PATH}"
  only:
    - /^v.+$/i
  except:
    - branches