Monitor backup and sync logs with Google Cloud Storage, GitHub, Gmail, OpenAI, and GLPI

Reliable Backup & Sync Execution Validation (Log-Driven)

This workflow monitors filesystem sync and backup jobs by validating their execution logs, not by running or inspecting the jobs themselves.

After purchase, you will receive a complete package including:

• workflow.json – ready to be imported into n8n
• Shell script templates (.sh) – reference sync job templates designed to generate structured logs fully compatible with the workflow
• Complete setup documentation – step-by-step guide covering configuration, deployment, and operational requirements

How it works (high level)

• Sync jobs are executed externally using standardized shell templates:

  • rsync_job-Template.sh
  • rclone_job-Template.sh

• Each job produces one deterministic log file per run

• Logs are uploaded daily to Google Cloud Storage

• This workflow runs on a schedule and:

  • Verifies that all expected logs exist for the day (UTC)
  • Optionally inspects their contents
  • Sends alerts if logs are missing or report failures

Key design principles

• Log-driven monitoring (evidence-based, not assumption-based)
• One job = one log = one source of truth
• No SSH, no server access, no execution coupling
• Safe to run in untrusted or restricted environments

Logging contract (required)

Each log file must contain the following lifecycle events, in order:

1. event=START
2. event=RSYNC_END or event=RCLONE_END
3. event=SUMMARY
4. event=END

If the END event is missing, the job is considered failed or interrupted.

Configuration

Expected jobs and log filenames are defined in sync-jobs.json.
This workflow only validates presence and state of logs — it never assumes job success.