25_check_etcd_controlplane.yml - Usage Guide

Read-Only k3s kubeadm

Purpose

Read-only control-plane / etcd check:

  • apiserver/etcd/scheduler/controller (or k3s) pods in kube-system
  • /healthz /readyz /livez
  • k3s: etcd-snapshot ls, data dir size
  • kubeadm: etcdctl endpoint health/status/alarm, dbSize vs in-use (defrag hint only, does not run it), snapshot file age

How to run 

ansible-playbook -i inventories/cagatayuresincom/hosts.ini playbooks/25_check_etcd_controlplane.yml

Notes

  • become: true (PKI / k3s directories)
  • Defrag, restore, and snapshot are not performed
  • Script: playbooks/files/k8s_etcd_controlplane_check.py