k3s-dashboard-go

README

k3s-dashboard-go

links

• Prometheus - HTTP API
• Tutorial: Build a Prometheus Dashboard for K3s with Wio Terminal
• Kubernetes PromQL (Prometheus Query Language) CPU aggregation walkthrough
• Kubernetes in Production: The Ultimate Guide to Monitoring Resource Metrics with Prometheus

commands to test requests

kubectl run -i --tty alpine --image=alpine --restart=Never -- sh

# nodes:           count(kube_node_info)
# cpu:             (1-avg(rate(node_cpu_seconds_total{mode="idle", cluster=""}[5m])))*100
# memory:          (1 - sum(:node_memory_MemAvailable_bytes:sum{cluster=""}) / sum(kube_node_status_allocatable_memory_bytes{cluster=""}))*100
# pod count:       sum(kubelet_running_pods{cluster="", job="kubelet", metrics_path="/metrics"})
# container count: sum(kubelet_running_containers{cluster="", job="kubelet", metrics_path="/metrics"})
# build info:      kubernetes_build_info

curl 'http://prometheus-kube-prometheus-prometheus.prometheus.svc.cluster.local:9090/api/v1/query?query=<metric-query-urlencoded>'

Documentation

Overview

Copyright © 2021 NAME HERE <EMAIL ADDRESS>

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.