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Prometheus Operator: Kubernetes-Native Prometheus Management
Simplifies the deployment, configuration, and management of Prometheus and Alertmanager on Kubernetes clusters using the Operator pattern.
Go
Added on 2025年7月6日9,533
Stars3,777
ForksGo
LanguageProject Introduction
Summary
The Prometheus Operator is a Kubernetes-native application that monitors the Kubernetes API server for changes to certain Custom Resources (CRDs), particularly `Prometheus`, `Alertmanager`, `ServiceMonitor`, and `PodMonitor`. Based on the desired state defined in these resources, the Operator automatically provisions, configures, and manages the corresponding Prometheus and Alertmanager instances.
Problem Solved
Manually deploying, configuring, and managing Prometheus and Alertmanager instances across one or more Kubernetes clusters is complex, time-consuming, and error-prone. The Prometheus Operator simplifies this by bringing Prometheus management into the Kubernetes native way.
Core Features
Automated Prometheus Management
Automated creation, management, and deletion of Prometheus instances based on Kubernetes Custom Resources.
Declarative Monitoring Configuration
Declarative configuration of Prometheus scrape targets and rule files via ServiceMonitor and PodMonitor Custom Resources.
Alertmanager Management
Automated setup and management of Alertmanager instances and their configurations.
Kubernetes Service Discovery
Integration with Kubernetes discovery mechanisms for automatically monitoring services and pods.
Tech Stack
Kubernetes
Go
Prometheus
Alertmanager
Use Cases
The Prometheus Operator is ideal for any organization or project running applications on Kubernetes that requires declarative, self-healing, and scalable monitoring capabilities.
Scenario 1: Setting Up Production Monitoring in Kubernetes
Details
Quickly deploy and configure a production-ready Prometheus and Alertmanager stack on a Kubernetes cluster with minimal manual intervention, leveraging Custom Resources.
User Value
Significantly reduces the time and effort required to establish a comprehensive monitoring system compared to manual deployment.
Scenario 2: Multi-Tenancy or Isolation in Monitoring
Details
Manage multiple isolated Prometheus instances within a single large cluster, potentially for different teams, environments (dev, staging, prod), or projects, all defined declaratively.
User Value
Enables secure isolation and simplified management of monitoring infrastructure for complex organizational structures or diverse workloads.
Scenario 3: Simplifying Application Monitoring Configuration
Details
Define which applications or services should be monitored and how, using Kubernetes labels and standard Prometheus configuration via `ServiceMonitor` and `PodMonitor` objects.
User Value
Empowers application teams to make their services discoverable by Prometheus using Kubernetes-native objects, reducing coordination overhead.
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