What metrics are generated?

The wrapper outputs cron_job_duration_seconds, cron_job_last_exit_code, cron_job_status (1=success, 0=fail), and cron_job_last_success_timestamp_seconds.

Updated: August 2026 • Verified v1.2

Crontab to Prometheus Pushgateway Metric Exporter

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curl --data-binary @- ${GATEWAY_URL}/metrics/job/${JOB_NAME}/instance/${INSTANCE}

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Understanding Your Results

Generates a complete POSIX bash wrapper script and crontab schedule entry that pushes duration, status, and exit code gauges to Prometheus.

Practical Guidance & Next Steps

Always include the instance label when pushing to Pushgateway to prevent separate hosts from overwriting each other's metrics.

What is this?

A DevOps automation utility that wraps scheduled cron jobs to export Prometheus OpenMetrics to Pushgateway or Grafana Cloud.

How does it work?

1. Enter job name, command, and Pushgateway URL. 2. Configure instance label and cron schedule. 3. Copy the standalone bash wrapper script and crontab entry.

Why use it?

Enables Prometheus alerting on silent cron job failures and execution duration regressions.

Technical Scope & Calculation Limitations

Requires network access to the Prometheus Pushgateway endpoint on port 9091.

Frequently Asked Questions

Prometheus is pull-based and cannot reliably scrape ephemeral batch jobs that run for only a few seconds. Pushgateway accepts pushed metrics and holds them for Prometheus to scrape.

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