Kubernetes Observability With Kube-State-Metrics

1. kube-state-metrics

   1 37 5,790 9.1 Go

   Add-on agent to generate and expose cluster-level metrics.

   

   Kube-State-Metrics is an agent service that listens to the Kubernetes API and generates metrics about the state of cluster objects, such as deployments, nodes, and pods. Unlike resource metrics (like CPU or memory usage), it provides insights into object-level data, such as the number of replicas or pod status, making it useful for monitoring the desired versus actual state of Kubernetes components.

2. Stream

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3. prometheus

   2 481 59,398 9.9 Go

   The Prometheus monitoring system and time series database.

   

   You must use Prometheus to collect and query Kube-State-Metrics output. The steps to correctly configure Prometheus to scrape Kube-State-Metrics may vary depending on how you installed Prometheus in your cluster.

4. helm-charts

   3 106 5,617 9.8 Mustache

   Prometheus community Helm charts

   

   The official Kube-State-Metrics Helm chart is maintained as part of the Prometheus Community project. Installing Kube-State-Metrics in your cluster is generally the easiest way.

5. metrics-server

   4 47 6,239 7.3 Go

   Scalable and efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines.

   

   Kube-State-Metrics is only one part of the Kubernetes metrics ecosystem. Metrics-Server is another commonly discussed component that you should also include in your observability strategy. Whereas Kube-State-Metrics reports metrics about the states of objects in your cluster, Metrics-Server exposes real-time CPU and memory resource utilization metrics for your Nodes and Pods.

6. node_exporter

   5 86 12,248 9.0 Go

   Exporter for machine metrics

   

   You also need solutions such as Metrics-Server or Prometheus' Node-Exporter to track your cluster's resource utilization and broader activity. You can learn more about setting up Prometheus for Kubernetes by reading our separate tutorial, or check out our round-up of 20+ Popular DevOps Monitoring Tools to find more options for implementing cluster observability.

7. InfluxDB

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