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Hands-On Infrastructure Monitoring with Prometheus

You're reading from  Hands-On Infrastructure Monitoring with Prometheus

Product type Book
Published in May 2019
Publisher Packt
ISBN-13 9781789612349
Pages 442 pages
Edition 1st Edition
Languages
Authors (2):
Joel Bastos Joel Bastos
Profile icon Joel Bastos
Pedro Araújo Pedro Araújo
Profile icon Pedro Araújo
View More author details

Table of Contents (21) Chapters

Preface 1. Section 1: Introduction
2. Monitoring Fundamentals 3. An Overview of the Prometheus Ecosystem 4. Setting Up a Test Environment 5. Section 2: Getting Started with Prometheus
6. Prometheus Metrics Fundamentals 7. Running a Prometheus Server 8. Exporters and Integrations 9. Prometheus Query Language - PromQL 10. Troubleshooting and Validation 11. Section 3: Dashboards and Alerts
12. Defining Alerting and Recording Rules 13. Discovering and Creating Grafana Dashboards 14. Understanding and Extending Alertmanager 15. Section 4: Scalability, Resilience, and Maintainability
16. Choosing the Right Service Discovery 17. Scaling and Federating Prometheus 18. Integrating Long-Term Storage with Prometheus 19. Assessments 20. Other Books You May Enjoy

Setting up alerting in Prometheus

So far, we have covered how PromQL can be invaluable in querying the collected data, but when we require an expression to be continuously evaluated so that an event is triggered when a defined condition is met, we're promptly stepping into alerting. We explained how alerting is one of the components of monitoring in Chapter 1, Monitoring Fundamentals. To be clear, Prometheus is not responsible for issuing email, Slack, or any other forms of notification; that is the responsibility of another service. This service is typically Alertmanager, which we'll go over in Chapter 11, Understanding and Extending Alertmanager. Prometheus leverages the power of alerting rules to push alerts, which we'll be covering next.

What is an alerting rule...

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