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Add Kubernetes admin dashboards for api-server (#208)

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* added workqueue related and apiserver_storage_db_total_size_in_bytes (available since K8s/EKS v1.26+) metrics into kube-admin scrape job

* chnanged OTEL scrape config and recording rules file to make apiserver Grafana dashboards working

* added APISERVER Grafana dashboards into variables, Flux kustomization

* added original kube-prom-stack kube-apiserver scrape config into OTEL

* Revert "added original kube-prom-stack kube-apiserver scrape config into OTEL"
because this scrape config does not work :-(

This reverts commit 715db895c656af09430e3d6ada2087bd1828413f.

* added API server troubleshoting dashboard

* removed empty line for clarity

* make API serve rmonitoring default to true but can be disabled as well

* Update eks-apiserver.md

* updated eks-monitoring/README.md according to pre-commit

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Co-authored-by: Jens-Uwe Walther <waltju@amazon.com>
This commit is contained in:
Jens-Uwe Walther
2023-08-09 16:53:16 +02:00
committed by GitHub
parent 9f90ec8845
commit 4d88d16cb6
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docs/eks/eks-apiserver.md
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# Monitoring EKS API server
AWS Distro of OpenTelemetry enables EKS API server monitoring by default and provides three Grafana dashboards:
## Kube-apiserver (basic)
The basic dashboard shows metrics recommended in [EKS Best Practices Guides - Monitor Control Plane Metrics](https://aws.github.io/aws-eks-best-practices/reliability/docs/controlplane/#monitor-control-plane-metrics) and provides request rate and latency for API server, latency for ETCD server and overall workqueue sercice time and latency. It allows a drill-down per API server.
![image](https://github.com/youwalther65/terraform-aws-observability-accelerator/assets/29410195/9dcf2583-6630-4d3c-911d-8ca48ae2d26f)
## Kube-apiserver (advanced)
The advanced dashboard is derived from kube-prometheus-stack "Kubernetes / API server" dashboard and provides a detailed metrics drill-down for example per READ and WRITE operations per component (like deployments, configmaps etc.).
![image](https://github.com/youwalther65/terraform-aws-observability-accelerator/assets/29410195/e76a6357-461f-416d-8bf0-5b7777848bea)
## Kube-apiserver (troubleshooting)
This dashboards can be used to troubleshoot API server problems like latency, errors etc.
A detailed description for usage and background information regarding the dashboard can be found in AWS Containers blog post [Troubleshooting Amazon EKS API servers with Prometheus](https://aws.amazon.com/blogs/containers/troubleshooting-amazon-eks-api-servers-with-prometheus/).
![image](https://github.com/youwalther65/terraform-aws-observability-accelerator/assets/29410195/921d3453-dcda-4d8a-8223-7c02f1f08ee2)