concrete/.github/workflows/package-watcher.yaml

name: Package Version Checker

on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    # At minute 0 for each hour from 8:00 to 22:00 inclusive from Monday to Friday inclusive
    - cron: '0 8-22 * * 1-5'

jobs:
  check_and_notify_build:
    name: Check timestamps and notify build
    runs-on: ubuntu-20.04
    env:
      BASE_IMG_ENDPOINT_URL: "https://api.github.com/orgs/zama-ai/packages/container/zamalang-compiler"
      ENV_IMG_ENDPOINT_URL: "https://api.github.com/orgs/zama-ai/packages/container/hdk-env"
    steps:
      - name: Compare image timestamps and notify
        run: |
          BASE_IMG_TIMESTAMP=$(curl \
            -X GET \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: token ${{ secrets.BOT_TOKEN }}" \
            "${BASE_IMG_ENDPOINT_URL}" | jq -r '.updated_at')
          ENV_IMG_TIMESTAMP=$(curl \
            -X GET \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: token ${{ secrets.BOT_TOKEN }}" \
            "${ENV_IMG_ENDPOINT_URL}" | jq -r '.updated_at')
          BASE_IMG_DATE=$(date -d ${BASE_IMG_TIMESTAMP} +%s)
          ENV_IMG_DATE=$(date -d ${ENV_IMG_TIMESTAMP} +%s)
          if [[ "${BASE_IMG_DATE}" -ge "${ENV_IMG_DATE}" ]]; then
            echo "Env image out of date, sending rebuild request."
            curl \
            -X POST \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: token ${{ secrets.BOT_TOKEN }}" \
            https://api.github.com/repos/zama-ai/hdk/dispatches \
            -d '{"event_type":"rebuild-docker"}'
          else
            echo "Image up to date, nothing to do."
          fi