link-check-schedule.yml

name: Check links on schedule
on:
  schedule:
    - cron: "59 23 * * 0" # Runs every Sunday at 23:59
  push: # for testing purposes, do not merge
jobs:
  linkcheck:
    runs-on: ubuntu-latest
    steps:
      - uses: filiph/linkcheck@3.0.0
        with:
          arguments: https://www.scaleway.com/en/docs/serverless/ >> linkcheck_output.txt
      - name: Parse output to variable
        if: always()
        run: |
          {
            echo 'LINKCHECK_OUTPUT<<EOF'
            cat linkcheck_output.txt
            echo EOF
          } >> "$GITHUB_ENV"
      # - name: Send message to Slack
      #   if: always()
      #   uses: slackapi/slack-github-action@v2.0.0
      #   id: initial_message
      #   with:
      #     webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
      #     webhook-type: incoming-webhook
      #     payload: |
      #       channel: ${{ secrets.SLACK_CHANNEL_ID }}
      #       text: "Link check results are available in :thread:."
      - name: Send a message to Slack via Webhook
        id: send_message
        run: |
          response=$(curl -s -X POST -H 'Content-type: application/json' \
          --data '{
            "text": "Link check results are available in :thread:."
          }' ${{ secrets.SLACK_WEBHOOK_URL }})
          echo "response=$response" >> $GITHUB_ENV
      - name: Save thread_ts
        run: |
          echo "thread_ts=<MANUALLY_SET_OR_CAPTURE_THIS_VALUE>" >> $GITHUB_ENV

      - name: Reply to the thread via Webhook
        run: |
          curl -s -X POST -H 'Content-type: application/json' \
          --data '{
            "text": "This is a reply to the thread.",
            "thread_ts": "${{ env.thread_ts }}"
          }' ${{ secrets.SLACK_WEBHOOK_URL }}