Keep backend warm #3479
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Keep backend warm | |
| on: | |
| schedule: | |
| # every hour at minute 0 (UTC) | |
| - cron: '0 * * * *' | |
| workflow_dispatch: {} | |
| jobs: | |
| keepalive: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Curl backend or keepalive endpoint | |
| env: | |
| KEEPALIVE_URL: ${{ secrets.KEEPALIVE_URL }} | |
| KEEPALIVE_URL2: ${{ secrets.KEEPALIVE_URL2 }} | |
| KEEPALIVE_AUTH: ${{ secrets.KEEPALIVE_AUTH }} | |
| run: | | |
| if [ -z "$KEEPALIVE_URL" ]; then | |
| echo "KEEPALIVE_URL is not set. Skipping keepalive (no secret configured in this repository)." | |
| exit 0 | |
| fi | |
| echo "Pinging $KEEPALIVE_URL" | |
| # Use header-based auth if KEEPALIVE_AUTH is set (optional) | |
| if [ -n "$KEEPALIVE_AUTH" ]; then | |
| STATUS=$(curl -s -o /dev/null -w "%{http_code}" -H "x-keepalive-secret: $KEEPALIVE_AUTH" "$KEEPALIVE_URL") | |
| STATUS_2=$(curl -s -o /dev/null -w "%{http_code}" -H "x-keepalive-secret: $KEEPALIVE_AUTH" "$KEEPALIVE_URL2") | |
| else | |
| STATUS=$(curl -s -o /dev/null -w "%{http_code}" "$KEEPALIVE_URL") | |
| STATUS_2=$(curl -s -o /dev/null -w "%{http_code}" "$KEEPALIVE_URL2") | |
| fi | |
| echo "status=$STATUS" | |
| echo "status_2=$STATUS_2" | |
| # Check if either request failed and set a failure flag | |
| FAIL=0 | |
| if [ "$STATUS" -ge 400 ]; then | |
| echo "Keepalive request for KEEPALIVE_URL returned $STATUS" >&2 | |
| FAIL=1 | |
| fi | |
| if [ "$STATUS_2" -ge 400 ]; then | |
| echo "Keepalive request for KEEPALIVE_URL2 returned $STATUS_2" >&2 | |
| FAIL=1 | |
| fi | |
| # Exit with an error if the flag was set | |
| if [ "$FAIL" -eq 1 ]; then | |
| exit 1 | |
| fi |