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How to Generate Prometheus Metrics from Logs Collected by Fluentd
- In this article, I demonstrate how to generate metrics and create alert on Prometheus from the pod logs.
- Fluentd is an open-source data collector used to unify logging infrastructure.
- By the end of this article, you'll have a clear understanding of how to set up Prometheus and Fluentd in a Kubernetes environment to monitor pod logs, generate metrics, and create custom alerts.
- The configuration includes a source for reading logs, filters for processing and filtering logs, and a match directive for outputting logs.
- After installation, patch the values.yaml file to configure. Be sure to replace "pod-name" with the actual name of your pod.
- You can now view metrics.
- Now that Prometheus is installed and configured, we need to view the metrics in the Prometheus UI.
- If everything has been successful up to this point, you can create an alert for the metric on Prometheus.
- In my next article, "How to Send Prometheus Alerts as Email and Teams Channel Notifications," we'll explore how to set up alerting for critical issues.
- With these basics covered, you're well on your way to monitoring and managing your Kubernetes environment effectively.
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