A CLI tools which can visualize Kubernetes metrics from the metrics-server, so you're able to watch these without installing Prometheus and Grafana on a cluster.
This project is a SUSE Hackweek 2024 project written by Volodymyr Katkalov and Bas van Kampen. More information about the project: https://hackweek.opensuse.org/24/projects/metrics-server-viewer-for-kubernetes
- go 1.23
- kubernetes cluster with the metrics server installed
metrics-viewer --help
NAME:
metrics-viewer - a Kubernetes Metrics Viewer
USAGE:
metrics-viewer [global options] command [command options] [arguments...]
VERSION:
0.9 (b8a7b45)
AUTHORS:
Volodymyr Katkalov <[email protected]>
Bas van Kampen <[email protected]>
COMMANDS:
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
--debug Enable debug
--kubeconfig value Kubeconfig file (default: "~/.kube/config") [$KUBECONFIG]
--config value Config file (default: "~/.config/metrics-viewer.yaml") [$METRICS_VIEWER_CONFIG]
--help, -h show help
--version, -v print the version
If not config file is found (default: ~/.config/metrics-viewer.yaml) then a new configuration file is generated.
settings:
scrape_interval: 1
metrics:
- apiserver_flowcontrol_rejected_requests_total
- apiserver_flowcontrol_current_inqueue_requests
- apiserver_flowcontrol_request_wait_duration_seconds
- apiserver_flowcontrol_current_limit_seats
- apiserver_flowcontrol_lower_limit_seats
- apiserver_flowcontrol_upper_limit_seats
- apiserver_flowcontrol_nominal_limit_seats